Mount St Helens Volcano Update; The Magma Chamber is Recharging, Unusual Earthquake Swarms

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GeologyHub

GeologyHub

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The Mount Saint Helens Volcano in Washington state is showing signs of unrest, as magma was confirmed to be moving underneath its edifice. This has generated a sustained rate of elevated weekly earthquakes, which has now been ongoing for more than 3 months. So, is an eruption likely? What is the context of these earthquakes? This video will answer these two questions and discuss what might happen next at this volcano.
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Sources/Citations:
[1] U.S. Geological Survey
[2] Cascade Volcano Observatory
[3] Dzurisin Daniel, Mount St. Helens Retrospective: Lessons Learned Since 1980 and Remaining Challenges, Frontiers in Earth Science, Volume 6, 2018, www.frontiersin.org/articles/..., DOI: 10.3389/feart.2018.00142, ISSN: 2296-6463. CC BY 4.0
0:00 Mount Saint Helens earthquakes
1:20 Analysis
2:43 Similar Earthquake Swarms
3:54 Opinion Based Scale

КОМЕНТАРІ: 346
@GeologyHub
@GeologyHub 6 місяців тому
In other words, while this is the strongest volcanic unrest at Mt. Saint Helens in 15 years, this unrest is still incredibly weak and low intensity. In my opinion, I would not expect a volcanic eruption anytime soon from this volcano.
@nothanks3236
@nothanks3236 6 місяців тому
Will you be doing a vid on the volcano that popped off in Russia earlier today?
@outlawbillionairez9780
@outlawbillionairez9780 6 місяців тому
Would we expect to see activities with the giant plug in the crater if an eruption was imminent?
@solomon7722
@solomon7722 6 місяців тому
Thank you for putting it in laymens terms
@garfieldlover6416
@garfieldlover6416 6 місяців тому
Uh geology hub in wouldnt hold my breath if I were you dude
@garfieldlover6416
@garfieldlover6416 6 місяців тому
If it were to erupt it might be small but the dome could block the magma so....uh it could be small but I bet it might be big like its 80 eruption or a 6 in my opinion
@motionsick
@motionsick 6 місяців тому
I've been nerding out so hard on Mount Saint Helen's the last few weeks. There's a gold mine of old footage and news reels on youtube.
@TreDeuce-qw3kv
@TreDeuce-qw3kv 6 місяців тому
I was at the Ape Caves when the St. Helen's erupted. Glad it blew to the north or I wouldn't be writing this. Later ash drifted over the Portland area and on to the new Yellow Cedar decks I had built at my first million dollar house project in Lake Oswego. Rain followed and the decks and rail tops turned gray so I painted the house gray to match. For years after we would find Ash when doing demo work for remodel projects. It was hell to drive to work in swirling clouds of ash. I had to wear a dust mask to get to and from work and often had to have my headlights on during the day. A few years later I had to remove the heater box of my Suburban and found trapped ash. My aunt lived in Yakima which was covered in a heavy thick layer of ash. There are still big piles of ash along I-5 by the Toutle River Bridge and along the banks of Toutle River hidden now by brush and trees.
@mrmaphousa4349
@mrmaphousa4349 6 місяців тому
I live on Vancouver Island near Comox and was buffeted by a shock wave on a cliff overlooking Georgia Strait the afternoon St Helen's blew. That was impressive, around 400 miles distant.
@WildAlchemicalSpirit
@WildAlchemicalSpirit 6 місяців тому
I went to Mount St. Helen's back in 1993. My grandparents took me but it was my idea to go there. I've always been fascinated with volcanoes, so when we headed West I made sure it was part of our itinerary. Since it hadn't been terribly long since the eruption I was still able to see a good amount of the damage from it but also a lot of areas of recovery. It was a spectacular journey, very beautiful and even somewhat haunting. 🌋💕
@SophiaAphrodite
@SophiaAphrodite 6 місяців тому
I was a n early teen when it happened and I was obsessed with this event myself.
@clutchpedalreturnsprg7710
@clutchpedalreturnsprg7710 6 місяців тому
There is an excellent video on UKposts of the remains and aftermath of the event decades later. I remember that three days later my car collected overnight a layer of fine, fine dust, here in southeast Texas.
@bubbathegreat78
@bubbathegreat78 6 місяців тому
I lived way up Spirit Lake Hwy with my family when it erupted in 80. Our home was completely destroyed, and the property buried in ash. I remember seeing all the ash and such falling as we were being evacuated out and drove down the highway. You couldn't see anything in front of you. It was pretty chaotic. We managed to cross the bridge in Castle Rock to get out of town before it got shut down from all the trees floating down the river and getting caught up.
@Dranzerk8908
@Dranzerk8908 6 місяців тому
Watching the dome rebuild on this was the most interesting thing i ever saw. It was like mud pushing up out of the earth making huge walls then falling down. It was all on the webcam too so was easy to watch.
@AndreaCrisp
@AndreaCrisp 5 місяців тому
I live in the Portland area and was an active Mazama member for a while. I climbed Mt. Saint Helens in the spring of 2009 when it was still giving off steam occasionally. Eery as F. Beautiful, but we stayed on the crater longer than I was comfortable with, because one person in our party was slow and struggling so several of us reached the top and were waiting for the final two for an hour before descending. Beautiful and chilling. We could hear the snow falling into the crater as it melted. Occasionally rocks along with the snow. I stayed away from the edge, as people have died when standing on snow ledges that collapsed. Glad to do it, but I couldn't wait to get down. Mountaineers don't usually hang out on the summit for that long...
@kh40yr
@kh40yr 6 місяців тому
Dec 2006 had a minor eruption that sent a plume high enough to be seen from Woodland Wa on the Interstate 5 freeway. Kid Valley Wa had their eruption/evacuation sirens go off, about a hour after the plume. No one went anywhere. I worked the Mt St Helens Timber recovery the summers of 82, 83, and 84. It's truly incredible how things have changed up around St Helens to this day. Truly incredible that I lived thru that 1980 eruption. Spirit Lake at the base of Mt St Helens has 10lb Rainbow Trout in it once again, but off limits still. Castle Lake is accessible in the summer and has fish, but take enough with you to spend the night. It's a hike. Bear country also.
@battymatty602
@battymatty602 3 місяці тому
Haha my cousin lives near and he was in grade school. He was shitting bricks when ash was spewing out. 😂
@Ksweetpea
@Ksweetpea 6 місяців тому
My aunt, who was born and raised and lives in Colorado, sent me this video recommending your channel and we had a good chat about how much we enjoy your content!
@JCtheMusicMan_
@JCtheMusicMan_ 6 місяців тому
I grew up in Portland Oregon and experienced the St Helen’s eruption of 1980. I still have a small vile of ash gathered from my yard after the eruption.
@sgtbilkothe3rd
@sgtbilkothe3rd 6 місяців тому
Vial...and cool. In Eugene we only got a light dusting of ash after the June 12, 1980 eruption, after the main May 18 eruption.
@janinosaurus
@janinosaurus 6 місяців тому
@@sgtbilkothe3rdthe wind patterns and ash deposits around the country are so crazy to me. My aunt and uncle have photos of at least an inch of ash in their yard in Nebraska, but it seems like so much of oregon had far less.
@dananorth895
@dananorth895 6 місяців тому
It was a bit surreal driving through Portland on a modern freeway system and looking up to see a towering ash cloud only 80-90 mi away. We had only a mild dusting of ash in Clackamas area but still had several paint jobs cancelled over the mths as people were freaking out. Not enough ash to harm anything. Most traveled east on prevailing winds all the way to N.Y. We didn't even hear the explosion, that skipped north into N. Washington and Canada. I,ve been waiting since early 70's for Mt. Hood to go. Last time was 1-2 yrs before Lewis and Clark past through. They comment on all the mud/debrie at the mouth of the Sandy river.
@annalieff-saxby568
@annalieff-saxby568 6 місяців тому
Ahem. "vial".
@seabournewolf2298
@seabournewolf2298 6 місяців тому
I filled an envelope with ash from our car…in south east Texas
@cyberherbalist
@cyberherbalist 6 місяців тому
MSH is my favorite volcano! I lived in WA state for many many years, and only missed the 1980 eruption because the Army sent me to Georgia for training. When I finally returned, just four years after the eruption, we visited the new visitors area on Windy Ridge. Wow, it was like you might expect on the Moon! I've been watching the area recover slowly, but now I'm in Europe so don't have much chance to visit.
@WestOfEarth
@WestOfEarth 6 місяців тому
It just amazes me how much information geologists can glean from earthquakes. Science at its best.
@ashleyspitzer6672
@ashleyspitzer6672 5 місяців тому
Yeah sadly science does not have all the answers.
@dustercat21
@dustercat21 6 місяців тому
I was visiting Mount St Helens during the 2004 dome rebuilding event. I wonder if this swarm might lead to at least a dome rebuilding event.
@GeologyHub
@GeologyHub 6 місяців тому
It would be fun if a third dome popped up in its central crater/collapse scar.
@fluffythe_husky
@fluffythe_husky 6 місяців тому
​@GeologyHub is that possible?
@Benson_aka_devils_advocate_88
@Benson_aka_devils_advocate_88 6 місяців тому
​@@fluffythe_huskyI would say it definitely will. But it doesn't mean an eruption will occur because of it. This is just the natural cycle of events.
@ashleyspitzer6672
@ashleyspitzer6672 5 місяців тому
​@@GeologyHub A third dome in Mt St Helens? That would highly impossible wouldn't it? I mean come on no volcano has three domes in them.
@lIlIANONYMOUSIlIl
@lIlIANONYMOUSIlIl 6 місяців тому
I lived 50 miles away and witnessed the 1980 eruption. The day after the 2004 eruption, I drove to 5 miles east of the mountain. If given the chance, it would eventually rebuild its summit. it is able to release pressure currently so we won't see such a catastrophic eruption for a long time.
@71717
@71717 6 місяців тому
So what do you think we're going to have another Mount Saint Helen eruption, if so what who would be affected by it?, I believe one's getting ready to come😏 you can't believe the news you can't believe anybody that cover up a lot of stuff they don't want to upset, I don't believe everything they're saying about it, so what's your opinion😊
@ProgPiglet
@ProgPiglet 6 місяців тому
gud work randy
@jeremywilson2878
@jeremywilson2878 6 місяців тому
I was in Southeast Portland🤣
@alanhughes5868
@alanhughes5868 6 місяців тому
​@@jeremywilson2878I was in Mexico.
@mitseraffej5812
@mitseraffej5812 6 місяців тому
@@alanhughes5868I was and still are in New Zealand. We have plenty of our own volcanoes to worry about including Taupo, one of the planets super volcanoes.
@syrupofwahoo3059
@syrupofwahoo3059 6 місяців тому
Remember 1980 eruption when i was 17 yrs old. I lived in Monterey, Ca almost 800 miles away and all the cars in the city were covered with ash from Mr St Helens blast. Amazing
@Denaligirljodie
@Denaligirljodie 6 місяців тому
I remember May 18th 1980 very well. I saw it erupt from Salem Oregon. It’s amazing to see the way nature has come back so quickly.
@Jerkasoid
@Jerkasoid 5 місяців тому
I was in Salem, too. 1/2 inch of ash on vehicles & over everything. Went down to look at eruption aftermath about 10 days later. Was something I'd never seen before, hope never again!! Snakes were everywhere, swimming in rivers.
@thunderdragon8341
@thunderdragon8341 День тому
i dont remember it well back then as i was 5 years old living in pheonix arizona didnt hear about it till i was a teen and till we moved to tacoma WA when i was 11 yrs old
@sleepycalico
@sleepycalico 6 місяців тому
I still have a little baggy of gritty, gray ash from the 80s eruption. It feels awful, but it fascinates me.
@michellezoske7581
@michellezoske7581 6 місяців тому
Me 2
@laurabledsoe5878
@laurabledsoe5878 6 місяців тому
I have a mayonnaise jar with Mt. St. Helen's ash in it. My family and I were living in Oregon at the time of the eruption. Someone in our church somehow got some of the ash, and after putting it in a mayonnaise jar, gave it to my Dad. He's still alive, but gave me the original jar containing the Mt. St. Helen's ash in it. It's sitting on the floor in my living room. It still has the original piece of masking tape on it, where someone wrote "Mt. St. Helen's Ash" on it. Alrighty then.
@sleepycalico
@sleepycalico 6 місяців тому
​@@scotthalverson722 Really?!? Worth anything other than being a curiosity? It was EVERYWHERE. It makes sense to me you would have tossed it. Thanks for the heads up! @scotthalverson722
@sleepycalico
@sleepycalico 6 місяців тому
Really?!? Worth anything other than being a curiosity? It was EVERYWHERE. It makes sense to me you would have tossed it. Thanks for the heads up! @@scotthalverson722
@sleepycalico
@sleepycalico 6 місяців тому
Mine was a gift, a "here you go, this is what it's like up here," and also arrived with a bit of masking tape saying what it was. lol I guess everyone saved it the same way.@@laurabledsoe5878
@floffycatto6475
@floffycatto6475 6 місяців тому
I live in Portland, so in parts of the city I can see St Helens. I've listened to stories from many people who witnessed the 1980 eruptions, and how the collapse changed the northern skyline. And how they recall all the ash that fell and disrupted activity at the airport. Idk when it's going to next erupt, but I feel like Mt Hood is definitely overdue. You can still see relatively young lava flows on Google Earth.
@W7ENK
@W7ENK 6 місяців тому
Mt. Hood last erupted in 1865-66. While there are still active steam vents at various spots around the volcano, it's not likely to erupt again in our lifetime.
@phoenix_kiana
@phoenix_kiana 6 місяців тому
I am more concerned with Rainier and St. Helens.
@k.b.tidwell
@k.b.tidwell 5 місяців тому
I was 10 years old when Mt. St. Helens erupted in 1980. I remember that it was the first time I "felt" the concept of "the end of the world". I live completely across the US from there, but I remembered my every thought was captured by those roiling ash clouds and I felt so sorry for all of the wildlife that never had a chance.
@jamesknauer540
@jamesknauer540 6 місяців тому
The site itself will take your breath away. You wonder how something so massive, so torn apart, could be so eerily quiet. If there's no wind, you can hear a pin drop up there.
@jwiki1
@jwiki1 6 місяців тому
I remember the small eruptions in the mid 2000s. I lived in Portland and saw the plumes. It was scary and fascinating all at the same time.
@phoenixvette
@phoenixvette 6 місяців тому
It's comforting how many increased activities at all these volcanoes doesn't necessarily correlate to eruptions.
@marktwain368
@marktwain368 6 місяців тому
Glad that scientists are keeping a close eye on the situation. This channel is unexcelled in reporting geological events.
@kevincourtney7312
@kevincourtney7312 6 місяців тому
Yes, kind of like cocking a gun, it doesn't mean it will fire but it sure can.
@alphagt62
@alphagt62 6 місяців тому
While it doesn’t mean it will erupt, it doesn’t mean it won’t. But it’s good they are keeping an eye on it, even a day or two of warning can make the difference.
@msmith7472
@msmith7472 6 місяців тому
Oh wake up people...
@sashaspano588
@sashaspano588 6 місяців тому
@@msmith7472 lol wake up to what?
@bubbathegreat78
@bubbathegreat78 6 місяців тому
We lost our home to the eruption in 1980. We lived way up Silver Lake Hwy. If it did erupt nowadays, it wouldn't be nearly as bad as it was in 80.
@TheSpaceEnthusiast-vl6wx
@TheSpaceEnthusiast-vl6wx 6 місяців тому
Thanks! This has been brought up quite a lot in recent videos of comment sections.
@drscopeify
@drscopeify 6 місяців тому
Funny enough, now would be good timing as route 504 and the parks and observatory are all closed due to the land slide that occurred. You made a video on it. I drive down 504 to my friend in Toutle, he is happy as he does not need to deal with all the tourist traffic for all of 2023
@srosenow98
@srosenow98 6 місяців тому
Yet the businesses that depend on that tourism are suffering because of the 504 closure.
@drscopeify
@drscopeify 6 місяців тому
@@srosenow98 Yeah for sure.
@noodengr3three825
@noodengr3three825 6 місяців тому
My folks flew from Chicago to Honolulu in May 1980 and the pilot pointed out Mt St Helens which was spewing steam and in the news. It erupted a couple of days after they landed.
@AnitaCorbett
@AnitaCorbett 6 місяців тому
Nice to get updates - thank you
@outlawbillionairez9780
@outlawbillionairez9780 6 місяців тому
On a clear day, I can see Mt Saint Helens. Mt Hood, too. 🌋🌋
@thunderdragon8341
@thunderdragon8341 День тому
in a clear day i only see Mt Rainer
@KazumaPrime
@KazumaPrime 6 місяців тому
One subject I would like to see covered at some point, is why is how often are Cascade eruptions on any scale so in frequent at this time? In the last 300 years, records indicate there were several eruptions at several different volcanoes in the Cascades, notably at St. Helens, Hood, and others. However, since 1900 we've only seen 2 volcanoes erupt; Lassen and St. Helens, with St. Helens having its main 1980 eruption, the period of growth in the early 80's and the one in early 2000's. Besides those, the entire range has been mostly silent. Is it just coincidence and there is a potential period of increased activity in the coming decades to century, with the modern day having been lucky so far? Or is there another underlying reason with less "fuel" filling the mountain's magma chambers? Oddly enough, after the 1700 Cascadia earthquake there seemed to be a period of increased activity/eruptions at a number of Cascade volcanoes from 1700 to 1850, thus perhaps the two could be linked? It would be interesting to see this subject covered if it hasn't already, as I can't seem to find too much information on why the volcanoes have been quiet in our own backyard, when just a couple hundred years ago there was some level of activity.
@HollyLewallen-Smith
@HollyLewallen-Smith 6 місяців тому
Gotta Love GeologyHub! ❤️🌎🌏🌍! Well put together and full of information many are not aware that anything has occured at Mount Saint Helen's since 1980. Love ❤. Shared ❤️. Saved on UKposts ❤️.
@BirdWhisperer46
@BirdWhisperer46 6 місяців тому
I worked on the mountain in 1982, putting the roads back in after the '80 eruption. It farted many times while I was there and they were so strong you could feel the shock way go thru your chest. I stayed in Cougar Washington and we drove around and up to the mountain every morning. 60 plus miles one way. :o)
@W7ENK
@W7ENK 6 місяців тому
Thanks for the fresh update on (one of) my backyard volcano(s)!
@benjaminrichard7741
@benjaminrichard7741 6 місяців тому
My grandma lives right next to the Lahar path of this very active volcano!
@dmeemd7787
@dmeemd7787 6 місяців тому
The one time I was able to actually try and go to Saint Helens was in 2004 or 2005 but if I remember, there were some activity going on, so the whole area is closed…. I would love to visit there still.. Granted, I did get a really beautiful shot from an airplane when I was flying into Portland. Once, the lighting was just perfect with mount hood, and mount Saint Helens, and such, but not the same :-) Granted the person next to me on the flight had said it was one of the best views they had ever seen from a plane and they took that flight often so 🤷‍♂️ lol Anyway, absolutely love this channel and appreciate all the work and news you put out for us all!!
@knightfall6555
@knightfall6555 6 місяців тому
Good thing to learn there is no strong correlation between those swarms and potential eruptive activity. I have to go collect samples at the base of Mt St-Helens in more or less 6-8 months.
@NatureShy
@NatureShy 6 місяців тому
I backpacked on Mt St Helens twice this year and had no idea about this lol! That’s pretty neat. I love volcanoes and volcanology.
@SMOBY44
@SMOBY44 6 місяців тому
I lived about 40 miles from Mt St Helens when it erupted in 1980. I was to the SW at that time. Now I live about 30 miles west of the mountain and have since 2000. Anything this mountain will do in the near future will be small eruptions and a lot of dome building activity, just like the 04 to 08 episode.
@lIlIANONYMOUSIlIl
@lIlIANONYMOUSIlIl 6 місяців тому
I was in Battle Ground at the time. Your description sounds like you could have been there also, or nearby.
@SMOBY44
@SMOBY44 6 місяців тому
@@lIlIANONYMOUSIlIl Right across the river in Oregon.
@onerider808
@onerider808 6 місяців тому
I used to think of geology as some slow process, which had mainly happened long ago (or would far in the future). Instead, we see an ongoing process, manifest before our eyes. Things which appear so permanent can quickly change NOW. I find that fascinating and exciting. Your channel has inspired me to re-read my old geology textbook, and a couple more current versions. Thanks!
@DetroitMicroSound
@DetroitMicroSound 6 місяців тому
LANDSLIIIIIIIDE!!!!!!
@TheCactusjack1
@TheCactusjack1 6 місяців тому
Good report Kip. So lucky, gad!
@hanz_zimmer
@hanz_zimmer 6 місяців тому
Thanks for the video of my favorite mountain :)
@lukedawg2787
@lukedawg2787 6 місяців тому
Mt. St. Helens is the least worrisome volcano in Washington. It’s predictable as to where the eruption will go and there are plenty of lessons learned and thing put in place in the event it erupts like that again. Mt. Rainer is the one you need to worry about. Based on its outline near its summit. This volcano has completely blown its top off at some point in its past. It also erupted to the north similar to St. Helens. If that would occur today and happen without much warning. Seattle and the densely populated areas surrounding it would be in the line of fire.
@outlawbillionairez9780
@outlawbillionairez9780 6 місяців тому
You are absolutely correct about Mt Rainier. I watched a PBS documentary decades ago about the countless debris, mud flows and lahars that reached to Puget Sound, and developers had built some houses right on top! Now, these nit wits have built hundreds of homes with no escape routes. Even a wildfire would be devastating. And since Rainer is a pile of broken rock, just a large earthquake can produce a huge mud flow.
@TreDeuce-qw3kv
@TreDeuce-qw3kv 6 місяців тому
The Puyallup Valley would be swept into Puget Sound by the mud & debris flow. It is interesting to note that after the last Mt. Rainier eruption and mud & debris flowndown the valley, a significant meteorite strike hit the area in several places one strike was near Puyallup and the Puyallup River. Evidence of the strike near Puyallup is still evident. Another strike up in the hills out of Enumclaw produced a deep symmetrical crater with a beautiful little lake at the bottom. Unfortunately, dirt bikers and ATV's were allowed to go into the crater and over time it was essentially destroyed.
@outlawbillionairez9780
@outlawbillionairez9780 6 місяців тому
@@TreDeuce-qw3kv There was a documentary on Rainier's lahars and mud flows about 10 or more years ago, on PBS, I think. I had it on tape for years. It's infuriating that local government permitted hundreds of homes to be built right on top of dozens of mud flows! And there's no escaping when it does happen.
@lIlIANONYMOUSIlIl
@lIlIANONYMOUSIlIl 6 місяців тому
From Lahars, it made the land mass of Tacoma.
@whangjohnlizhao550
@whangjohnlizhao550 6 місяців тому
Fascinating, thank you.
@shenderson2484
@shenderson2484 6 місяців тому
I remember going outside in 1980 where I grew up, in Sheridan Colorado, and seeing the ground covered in ash.
@dpcnreactions7062
@dpcnreactions7062 6 місяців тому
I went to ST Helens in 2007 while it was erupting and it was amazing!
@ashleyspitzer6672
@ashleyspitzer6672 5 місяців тому
Me I would get to safety. Staying near a volcano that's erupting. Can't pay me enough money to do so. I tell someone they out of their minds.
@user-sj8uq5sk7p
@user-sj8uq5sk7p 6 місяців тому
Great content !
@yomogami4561
@yomogami4561 6 місяців тому
thanks for the information
@UPS_MD-11F
@UPS_MD-11F 6 місяців тому
I been to Mt St Helens when I was visiting Washington State and Oregon and I saw the lava domes inside the Crater and btw I visited Mt St Helens in 2017
@bradleyjanes2949
@bradleyjanes2949 6 місяців тому
Great video thanks😊
@b3yourself91
@b3yourself91 6 місяців тому
Can you do a video on why the United States west coast isn’t as active as the rest of the pacific rim?
@davidschwartz8125
@davidschwartz8125 6 місяців тому
That's easy, much of the West Coast is a transform fault that doesn't directly fuel volcanic activity unlike a subduction zone. What volcanic activity there is further south seems to be connected to the stressed nature of the basin and range region.
@cobaltblue42
@cobaltblue42 6 місяців тому
Umm... nope, not true at all. Much of the west coast, from Northern California to British Columbia, is an active subduction zone where the Juan De Fuca plate is subducting underneath the North American plate. We have around 18 major active volcanoes on the west coast along Cascade Range directly resulting from this subduction zone, from Mount Lassen & Mount Shasta in California to Franklin Glacier Volcano and Silverthrone Caldera in British Columbia (there are hundreds of smaller active volcanic features as well). These 18 major volcanoes also include Mount St. Helens and Mount Rainier in Washington, and Mount Hood and Crater Lake in Oregon. Further, the Cascadia Subduction zone is regularly active (historically) when it comes to earthquakes! From seafloor sediment cores, we know this subduction zone has had around 42 individual magnitude 8+ earthquakes and resulting tsunamis in the past 10,000 years, where either part of or the entire 800-mile-long subduction zone ruptures in a single megathrust event (the rupture propagates from one end of the fault to the other). This works out to a recurrence interval (frequency) of one of these massive earthquakes occurring every 240 years or so (this interval becomes even shorter if you only look at the past 6,000 years of history). The last of these massive earthquakes to occur was an estimated magnitude 9 earthquake in the year 1700 which resulted in a tsunami large enough to devastate the coast of Japan on the other side of the Pacific Ocean. The reality is we are OVERDUE for another Cascadia megathrust Earthquake and Tsunami, and the complete lack of moderate or significant earthquakes along this subduction zone for many decades is genuinely concerning, because realistically there should be moderate activity occuring similar to other parts of the ring of fire. @@davidschwartz8125
@outlawbillionairez9780
@outlawbillionairez9780 6 місяців тому
If you go back about 10 million years, we had the Columbia River Basalt Group. One of the worlds largest basalt floods . Covering 81,000 square miles, and 6,000 feet deep! Just a guess, but it probably relieved so much internal stress that it served to stabilize the area from Oregon to BC somewhat.
@b3yourself91
@b3yourself91 6 місяців тому
@@cobaltblue42 I’m talking about volcanic eruptions though, not earthquakes. Just two since 1900 and not much a few hundred years back
@kaihumphreys96
@kaihumphreys96 6 місяців тому
If Mount St Helens was to erupt, I reckon it would be an effusive eruption to rebuild the collapsed northern flank of the volcano, but if it was to erupt in a similar manner like it did in 1980, the results would be devastating
@jamesmurray8558
@jamesmurray8558 6 місяців тому
I not surprised.I was at the May 18,1980 eruption. I all ways keep an eye on this,as it is close to my heart.
@ggill1530
@ggill1530 6 місяців тому
My oldest cousin is very shy kinna guy but a gem 💎 Sounds just like the narrator I can even imagine the expressions on his face while reading
@brookecaylor6734
@brookecaylor6734 6 місяців тому
Thank you❤
@srosenow98
@srosenow98 6 місяців тому
The footage that was shown at 2:28 is from the same day I hiked up to the north breach of the crater.
@katherinewolfe
@katherinewolfe 6 місяців тому
I have a little teapot glazed with Mt. St Helens ash from the 1980 eruption. Somewhere we also have a bottle of alcohol of some type formed to look like the exploding volcano. Like you, I suspect we won't see a big boom out of that mountain for quite a bit, and it'll be a while before even a little boom.
@Woodstock271
@Woodstock271 5 місяців тому
I remember the 1980 eruption of Mount St. Helens since I was so close to it in Chicago, Illinois. 😂 Seriously though, I was in highschool in Chicago and the national news had reported the eruption, showing a predicted path of ash crossing the U.S. from west to east and Chicago would be in that path. Of course I didn’t believe such a thing was possible, but a day or so later we were in the schoolyard at lunchtime and what looked like snow was falling from the sky. Wrong time of year for snow, so I knew it had to be the ash from Mount St. Helens some 2000 miles away! The ash was starting to land everywhere and I got all excited, so I grabbed a sandwich bag and started sweeping the ash off the cars into the bag. I collected enough ash to later fill an aspirin bottle. I dated it, and labeled it “Mount St Helens, Washington volcanic ash. Traveled 2000 miles, recovered in Chicago.” The news that night confirmed that is exactly what I had. I was fascinated by the whole thing and the journey across the country the ash took. I saved that bottle of ash for years. Must have lost it in my move to California and later spending 35 years in Hawaii. Just moved to Seattle a couple years ago, so I’m close to Mount Saint Helens now. That’s why I clicked on this video. Good to hear she won’t be blowing her top again anytime soon, but it made me think how cool it would be to still have that bottle of ash and return it to Mount St. Helens. “Sorry it’s been so long, but you lost this in Chicago back in 1980. Thought you might want it back.”
@jameshaxby5434
@jameshaxby5434 6 місяців тому
When was this video made. I don't see a date on it ?
@johnnash5118
@johnnash5118 6 місяців тому
If anyone still wants a sample of Mt. St. Helens’ ash, there are giant piles of it near the Cowlitz River bridges on I-5.
@user-hd7mm4ky1p
@user-hd7mm4ky1p 6 місяців тому
Id love to visit this place someday. Looks beautiful
@jfu5222
@jfu5222 6 місяців тому
Any updates on Klyuchevskaya? The Dr. AstroGeo Tech channel is reporting 13km high ash cloud and lahar flow.
@suehayes2001
@suehayes2001 6 місяців тому
Klyuchevskoy erupted up to 14 km (46,000 ft) yesterday. Yes, lava flows and lahars. Check Volcano Discovery for more info.
@Vesuviusisking
@Vesuviusisking 6 місяців тому
@@suehayes2001my favourite website
@jfu5222
@jfu5222 6 місяців тому
@@suehayes2001 It's a beautiful piece of geology, it looks like a giant Mount Fuji.
@suehayes2001
@suehayes2001 6 місяців тому
@jfu5222 Klyuchevskoy's shape is similar to Shishaldin, in Alaska and Mayon, in the Philippines. I'm sure there are other volcanoes just as beautiful. Volcanology and Geology are amazing, I'm still learning and am in awe of what our earth reveals.
@glenn5903
@glenn5903 6 місяців тому
Thankyou !😊
@DetroitMicroSound
@DetroitMicroSound 6 місяців тому
I have a jam jar full of St. Helens ash from the 1980 eruption. My aunt and uncle lived close enough, to have about 25cm of it on top of their station wagon, when it stopped falling.
@mrsmucha
@mrsmucha 6 місяців тому
Volcanic activity is also increasing in Iceland too.
@melodyszadkowski5256
@melodyszadkowski5256 6 місяців тому
Things could get dicey in Iceland pretty fast. Keeping tabs on the updates.
@ashleyspitzer6672
@ashleyspitzer6672 5 місяців тому
​@@melodyszadkowski5256 What would happen if Iceland had a 1980 Mt St Helens style eruption? How would it impact the people that call Iceland home?
@bluewolf5925
@bluewolf5925 6 місяців тому
I saw St Helens blow when I was in school in Portland. It was insane. It was a huge mushroom cloud. A covering of ash coated everything 1/4 inch thick.
@ecurewitz
@ecurewitz 6 місяців тому
I was at Mt. St. Helens in 2009. Cool place
@emanuelriosflores
@emanuelriosflores 6 місяців тому
And it's not only Mt. St. Helens, also Krakatau, fagradalsfjall/Reykjanes, and the eruption at Klyuchevskoy
@RoyNasman
@RoyNasman 6 місяців тому
According to Patric Moore, volcanic activity peaks every 240 years due to maximum combined tidal forces from Sun , Moon, and Jupiter.. Don't know how valid this is , or how seriously to take Moore in general.
@robertnieten7259
@robertnieten7259 6 місяців тому
I was stationed ,not far from Bremerton, with the Marine Corps and was discarged in 1976.
@butchbinion1560
@butchbinion1560 6 місяців тому
Thanks. ✌🏻👊🏼
@sstone6417
@sstone6417 6 місяців тому
Your sound quality is a bit muffled and hard to make out. Good video though. Thanks
@tdw5933
@tdw5933 6 місяців тому
Was watching a game show, they stated the last time Mt. St. Helen erupted was 1980,I believe this is incorrect. Thanks for the education!
@sharonannrees2824
@sharonannrees2824 6 місяців тому
I saw this in 1980 from my home in Tsawassen on Boundary Bay.
@vrccim5930
@vrccim5930 6 місяців тому
Thanks.
@_MikeJon_
@_MikeJon_ 6 місяців тому
These little mountains in Washington are the busy ones. Probably why they're still small.
@jhamaker
@jhamaker 6 місяців тому
If an eruption did occur, would it most likely continue the process of building the cone in the crater rather than be another explosive eruption?
@RobertP-zk8vh
@RobertP-zk8vh 6 місяців тому
the dome has been rising alot lately right?
@aerodicus
@aerodicus 6 місяців тому
If it’s top has been blown apart many times in the past and has been rebuilt many times to the peak that we knew, lava will have to frequent this spot for the regrowth to occur. I would imagine pressure venting eruptions would be likely as upwelling magma volumes increase.
@samsonsoturian6013
@samsonsoturian6013 6 місяців тому
Finally! A mountain I can watch go boom!
@scottyV1000
@scottyV1000 6 місяців тому
I live in PA but was luck to get a bottle of Mt St Helen’s ash back in 1980 that I still have to this day.
@SevereWeatherCenter
@SevereWeatherCenter 6 місяців тому
That’s definitely exciting!
@Vesuviusisking
@Vesuviusisking 6 місяців тому
The American Vesuvius
@jillsmith1134
@jillsmith1134 6 місяців тому
I was at Clark Air Base in Philippines in 91. It had been dormant for 600 years. It destroyed that base and everything in its path for miles and miles.
@Hellfurian1972
@Hellfurian1972 6 місяців тому
I recall the massive eruption when I was a young lad. My aunt went there and got me a vial of ash.
@EarthCentral
@EarthCentral 6 місяців тому
Is it possible we could see a phreatic Eruption?
@Vesuviusisking
@Vesuviusisking 6 місяців тому
Yes it’s possible
@RebeccaTreeseed
@RebeccaTreeseed 6 місяців тому
I wanted to go home and found an affordable 40 acre apple orchard. Regrown after Mount St. Helens incinerated it. So they said what are the odds??? I passed.
@arnepianocanada
@arnepianocanada 6 місяців тому
Dear sir: Please sit back from the microphone and open your throat to project a full, round vocal tone quality. So sorry! the tight, half-choked current tone is hard on the ears.🥺🙏🙏
@johannabrown3498
@johannabrown3498 6 місяців тому
Right?!
@rhondah1587
@rhondah1587 6 місяців тому
We live on a very dynamic planet where the landmasses are in constant movement. The recent earthquake in Nepal shows the landmass of India is still moving inward into the Asian continent. Fascinating. Life exists at the peril of the natural happenings on this planet.
@rheiagreenland4714
@rheiagreenland4714 5 місяців тому
It's a reminder that this volcano still has geologic power beneath it and to keep watch, but not that it's about to blow its top.
@CarlosGarcia-fi4yu
@CarlosGarcia-fi4yu 6 місяців тому
What I cannot understand is why they keep calling this volcano as, Mount Saint Helen, it just baffles me.
@brenthicks2228
@brenthicks2228 6 місяців тому
I've seen several documtary about this volcano I thought it has a 250 to 300 years before it euprts
@johnking1896
@johnking1896 6 місяців тому
I left foot prints on the side of the mountain, that the eruption moved over how many miles I do not know but like many other events of the past history will little note, nor long remember what happened in 1980 much less the decades that came before.
@mattjewett4473
@mattjewett4473 6 місяців тому
I wondered where Kip from Napoleon Dynamite was now.
@moonflow23
@moonflow23 6 місяців тому
It could just be getting ready to resume dome building
@StageMan57
@StageMan57 4 місяці тому
I contend that the magma reservoir under Mount St. Hellens is part of a system that connects to Yellow Stone. Call me crazy, but If I were a Geo-Earthquakeoloists I'd compare the data of the caldera's rise and fall fluctuations with the release of magma from the Mount St. Hellens's reservoir. As geologists have learned there are many underground systems that run for hundreds of mile. Like cave systems for instance. How do they think those caves got there to begin with. Something had to hallow them out. It could have been water it could have been magma.
@XRobinson
@XRobinson 6 місяців тому
I caught a mini eruption of Mount Rainier on Sept 9th, I also visited and hiked Mount St, Helens in 2011. I was just thinking about sharing my pics of that last week.
@XRobinson
@XRobinson 6 місяців тому
Keep your eyes on Mount Rainier.
@snowblind.
@snowblind. 6 місяців тому
​@@XRobinsonI think Rainier is next. I live in Ritzville, and on super clear days you can see Mt. Rainier. In my backyard, if you dig down a couple inches, you will find about 4 inches of Saint Helens.
@XRobinson
@XRobinson 6 місяців тому
@@snowblind. Yeah, I was surprised no news outlets were interested in my video footage or UKposts showing it in the search results either.
@dananorth895
@dananorth895 6 місяців тому
​@@XRobinsonYou have to catch it at the right time!
@johnheald9419
@johnheald9419 6 місяців тому
I remember the 80s eruption and I had ash all over my Jeep and my girlfriends Car.
@charliesschroedinger
@charliesschroedinger 6 місяців тому
Side note: @ 0:38... that's the ridge that "Charlie" (Woody Harrelson) stood on in the movie 2012 supposedly overlooking Yellowstone when it's about to pop and John Cusack drives the RV up to there with his daughter to ask Charlie where the map is. Huh.... 😶😶🤔
@sopcannon
@sopcannon 6 місяців тому
Mount St helens and iceland at the same time?
@hulkingcolosussklunnulk2501
@hulkingcolosussklunnulk2501 6 місяців тому
Do not worry it's been a long time since I was there last eruption
@greggreg2263
@greggreg2263 6 місяців тому
Looks like all the forest 🌳 has recovered from the last eruption already
@sarcasmunlimited1570
@sarcasmunlimited1570 6 місяців тому
Weather at the cottage in a couple of years is going to suck for a while.
@spclifton91
@spclifton91 6 місяців тому
I'm climbing this in a little over a week.
@owdeezstrauz
@owdeezstrauz 6 місяців тому
It's about time!
@texasgal3903
@texasgal3903 5 місяців тому
Since I very much remember the last eruption, the memory is still in my mind, I won't EVER trust ANY volcano!
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