Earthquakes And Volcanoes

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Blue Frost
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Post: # 160879Unread post Blue Frost »

A Mysterious Blob of Hot Rock Is Building Up Under America's Northeast

Something is rising from the depths.
PETER DOCKRILL https://www.sciencealert.com/mysterious ... ew-england
18 DEC 2017

A vast mass of hot rock is welling up underneath Vermont and extending into other subterranean regions below New England, new research shows.

Scientists used a network of thousands of seismic measurement devices in the largest geological study of its kind, detecting the enormous blob upwelling under Vermont, New Hampshire, and Massachusetts – and possibly elsewhere.

"The upwelling we detected is like a hot air balloon, and we infer that something is rising up through the deeper part of our planet under New England," says geophysicist Vadim Levin from Rutgers University – New Brunswick.

Since New England doesn't have any active volcanoes, the huge build-up is thought to be a geologically recent phenomenon, although in this case that means it could have slowly but steadily been growing for tens of millions of years.

578 vermont blob 1Hot rock in the mantle rising toward the surface (Vadim Levin/Rutgers University-New Brunswick

As for whether the mass could one day erupt, that's the way these things go, the team says – although there's no point in panicking, since such an eventuality is still a long, long way off from happening.

"It will likely take millions of years for the upwelling to get where it's going," Levin explains.

"The next step is to try to understand how exactly it's happening."

The team analysed the blob using Earthscope – a multi-institutional network of instruments monitoring seismic movements rippling throughout the North American continent.

Buried in two years of data, the team zeroed in on New England, having previously identified a thermal anomaly that was hundreds of degrees Celsius hotter than its surroundings in the upper mantle about 200 kilometres (124.2 miles) below the surface, and measuring approximately 400 kilometres (248.5 miles) in diameter.

"It is a very large and relatively stable region," says Levin, "but we found an irregular pattern with rather abrupt changes in it."

Using new readings of seismic waves travelling through Earth's underground, the team suggests the blob is welling directly under central Vermont, but it extends into western New Hampshire and also western Massachusetts.

The researchers acknowledge the mass may travel beyond these states, although they're unable to tell from the data they used in this study. That said, as enormous as this blob is, compared to other volcanic masses churning under the continental US, it's no giant.

"It is not Yellowstone (National Park)-like, but it's a distant relative in the sense that something relatively small – no more than a couple hundred miles across – is happening," explains Levin.

There's still a lot to learn about this mass and its behaviour, but the researchers say their findings challenge what we think we know about geological conditions under this Atlantic margin of North America – and how passive we wrongly assumed it to be.

"[W]e did not expect to find abrupt changes in physical properties beneath this region," says Levin, "and the likely explanation points to a much more dynamic regime underneath this old, geologically quiet area."

As dynamic as it looks to be, this rising blob of hot rock still has a long journey ahead if it wants to one day reach the surface and graduate to being a proper volcano.

Whether that's an actual possibility, nobody really can say for sure just yet.

"Maybe it didn't have time yet, or maybe it is too small and will never make it," Levin told National Geographic.

"Come back in 50 million years, and we'll see what happens."

The findings are reported in Geology.


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Gary Oaktree

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Post: # 160911Unread post Gary Oaktree »

If it's going to blow up in about fifty million years then I think the people of New England can sleep easy ...... for now

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Post: # 160954Unread post Blue Frost »

:laugh: Maybe, who knows, things might escalate rather fast for some reason.
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Post: # 161668Unread post Gary Oak »

I do believe that the bige Cascade earthquake must be so nudged so close towards it's huge eruption now

New China/Vancouver BC Canada..recent [Jan 27, 2018 ] earthquake swarms nearby in Washington
Recent Earthquakes Near Olympia, Washington, United States
Sorted: Recent Filter By Magnitude Nearby Places
Olympia has had: (M1.5 or greater)
1 earthquake in the past 24 hours
5 earthquakes in the past 7 days
13 earthquakes in the past 30 days
153 earthquakes in the past 365 days
The largest earthquake in Olympia:
today: 2.0 in Bonney Lake, Washington, United States
this week: 2.7 in Belfair, Washington, United States
this month: 3.9 in Morton, Washington, United States
this year: 4.1 in Belfair, Washington, United States

Image

http://chinawatchcanada.blogspot.ca/201 ... t-jan.html

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Post: # 161932Unread post Gary Oak »

The four short videos show the damage after the quakes but there must be a lot of videos showing the earthquake in action. It looks wied seeing t hese buildings leaning over. i have never felt a tremor. I don't know hwat I am missing. :facepalm:

2 killed, 200+ injured as 5 buildings collapse in 6.4 Taiwan quake (VIDEOS)

https://www.rt.com/news/418026-taiwan-q ... es-shakes/

[video][/video]

[video][/video]

[video][/video]

[video][/video]

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Post: # 161940Unread post Blue Frost »

Surprising that building collapsed, not up to code is my guess. I would bet the builder is being investigated now.
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Post: # 161958Unread post Blue Frost »

I don't see them that way here, most keep to themselves, but do work hard, and seem to try to do there best. Now I have noticed some of the younger ones being fools, and following along with some of the trashy trends, lets hope they grow out of that.
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Post: # 161961Unread post Gary Oak »

Gary Oak wrote:
February 7th, 2018, 2:47 pm
Chinese lack of quality is one of the reasons that keeps them from being able to create a first world nation. Chinese do however do well in first world nations where the average morality, average humanity average lack of corruption is high enough.. That doesn't keep them from resenting the people that created this first world for them and allowed them to immigrate though.

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Post: # 162881Unread post Gary Oak »

There are two videos to check out. What a site.

WATCH Huge Eruption of Japanese Volcano

A strong eruption has been recorded at the active Shinmoedake volcano on Japan's southern island of Kyushu; a column of smoke and ash is rising above the crater to a height of about 2.3 thousand meters, the country's main meteorological department reported Tuesday.


The regions danger level has been raised to the third level out of five possible. This entails a ban on climbing and approaching the mountain. Specialists call for special attention within a radius of two kilometers of the volcano. The subsequent fourth and fifth levels of danger provide for "preparation for evacuation" and "urgent evacuation."

[video][/video]

https://sputniknews.com/asia/2018030610 ... -eruption/

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Post: # 162884Unread post Blue Frost »

I hope that's it to the eruption, and nobody is in danger if it gets worse.
Gotta keep you up at night having that near.
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Post: # 163343Unread post Blue Frost »

[video][/video]
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Gary Oaktree

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Post: # 163350Unread post Gary Oaktree »

Yellowstone is such a beautiful park. If this super volcano does erupt would China or Russia jump at the chance to invade? Surely they have worked on some Yellowstone eruption strategies in case it does erupt. Would the entire world economy crash like never in history? With the nuclear winter how hard would farming be hit ? There could be the worst famine in history.

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Post: # 163352Unread post Blue Frost »

The world would end up in chaos most likely with food shortages, and it would last likely for many years with billions dead in the end.
Most the US there would be nothing to invade for being buried, and desolate.
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Post: # 163355Unread post Gary Oak »

CHina wants land and ISlam wants everywhere and everything

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Post: # 163357Unread post Blue Frost »

China wont put up with the bacon haters, let them get out of line there.
Only fools put up with them.
China always has had a long term interest in domination, and expansion i get that, many do, and has in history. It dosn't mean we have to sit back, and take it from them.
Funny the people of China could care less about the whole government interest, they just want to live out their lives like we do.
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Post: # 164453Unread post Blue Frost »

[video][/video]
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Gary Oaktree

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Post: # 164464Unread post Gary Oaktree »

I would imagine that those rare sights are better enjoyed on video.

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Post: # 164465Unread post Blue Frost »

Yeah, would be bad to be near it, and the toxic gasses. Today they had a pretty big quake to go with it which reminds me of that big crack there, could make it's collapse be just a little closer.
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Post: # 164480Unread post Blue Frost »

[video][/video]
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Post: # 164651Unread post Blue Frost »

Hate to see people loose their homes, I'm just glad it's not a violent volcano like Pinatubo.

[video][/video]
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