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Steven Kaplan
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Posted: Mon May 29, 2006 12:00 am |
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Joined: Mon Jan 03, 2005 6:48 pm Posts: 13645 Been Liked: 11 times
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Quote: Steven, do you have the link to the camera that the USGS has on St. Helen's?
Yes. and there was lava flow. (Or I had it) not certain I still do) Likely in my documents someplace.
_________________ Northeast United States runner up for the "Singing Hall of Shame".
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Steven Kaplan
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Posted: Mon May 29, 2006 12:02 am |
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Joined: Mon Jan 03, 2005 6:48 pm Posts: 13645 Been Liked: 11 times
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Thanks Flipper. This type natural phenom I find fascinating..
_________________ Northeast United States runner up for the "Singing Hall of Shame".
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Odie
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Posted: Mon May 29, 2006 12:02 am |
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Joined: Sat Jul 09, 2005 12:46 pm Posts: 3377 Been Liked: 0 time
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The mountain went off at around 9AM on a Sunday. I was playing up at Amboy, Washington about 8 hours earlier. Amboy was in the line of fire. The wind currents at the time carried things to the Northeast mainly . There was a little ash down south to Canby too. Yakima, WA got hit really bad.
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Odie
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Posted: Mon May 29, 2006 12:05 am |
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Joined: Sat Jul 09, 2005 12:46 pm Posts: 3377 Been Liked: 0 time
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Actually, the threat of a 7.0 or greater earthquake in our area is more likely to cause a lot more problems in decades to come than ST. Helens
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Steven Kaplan
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Posted: Mon May 29, 2006 12:07 am |
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Joined: Mon Jan 03, 2005 6:48 pm Posts: 13645 Been Liked: 11 times
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Holy Xit
Quote: The lateral blast swept out of the north side of MSH at 300 miles per hour creating a 230 square mile fan shaped area of devastation reaching a distance of 17 miles from the crater. With temperatures as high as 660 degrees F and the power of 24 megatons of thermal energy, it snapped 100 year old trees like toothpicks and stripped them of their bark The mountian lost over 1300 feet in that event.. Ash reached the east coast. Yet that makes sense, it's blowing ash into the jet stream which runs west to east...[/quote]
_________________ Northeast United States runner up for the "Singing Hall of Shame".
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Odie
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Posted: Mon May 29, 2006 12:09 am |
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Joined: Sat Jul 09, 2005 12:46 pm Posts: 3377 Been Liked: 0 time
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Yep, trees and ash clogged up some of the surrounding rivers and streams. It was quite a mess.
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Flipper
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Posted: Mon May 29, 2006 12:11 am |
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Joined: Wed Mar 17, 2004 6:46 pm Posts: 1264 Been Liked: 0 time
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It was scary when it was happening but at the same time very exciting. We had about 1/2 of an inch of ash here in Portland, but in some spots east of here like Yakima, WA the had as much as 6 inches of ash on the ground. It literally blocked the sun and it appeared like it was night. It was a real problem for many folks who had respiratory problems and reaked havoc on the fuel systems of cars etc.
I do agree with Don....If yellowstone volcano goes we are in big trouble. It could literally shut down this country for a while. This may never happen in our lifetime but it will eventually come alive.
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Scott
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Steven Kaplan
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Posted: Mon May 29, 2006 12:12 am |
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Joined: Mon Jan 03, 2005 6:48 pm Posts: 13645 Been Liked: 11 times
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Don, Are you talking about the 1980 Eruption, or the more recent activity about 2 years back ? Not sure which event you were speaking of...
I thought it said that volcanic activity of around 5.6 or something like that is what triggered the 1980 eruption ????
Yep, I know earthquakes are a threat to you folks. Actually us too in the CT river value. We are due for a quake of at least a 7 within 100 years. CT river is on a fault line going right up the center of CT and mass
_________________ Northeast United States runner up for the "Singing Hall of Shame".
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Odie
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Posted: Mon May 29, 2006 12:12 am |
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Joined: Sat Jul 09, 2005 12:46 pm Posts: 3377 Been Liked: 0 time
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A couple week ago they were talking about Mt. Adams showing signs of life again.
The Three Sisters also shows periodic signs of earthquake activity. That's ususally the first sign of underground magma flow.
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Steven Kaplan
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Posted: Mon May 29, 2006 12:14 am |
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Joined: Mon Jan 03, 2005 6:48 pm Posts: 13645 Been Liked: 11 times
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So it's possible for a major eruption to take place without magma flow ?
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Flipper
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Posted: Mon May 29, 2006 12:14 am |
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Joined: Wed Mar 17, 2004 6:46 pm Posts: 1264 Been Liked: 0 time
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nothing much came of the one 2 years back . Most of the ash went northeast of here and was carried into remote areas of canada I think.....not sure.
We are referring to the 1980 eruption
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Scott
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Flipper
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Posted: Mon May 29, 2006 12:16 am |
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Joined: Wed Mar 17, 2004 6:46 pm Posts: 1264 Been Liked: 0 time
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if you look at the dome on St Helens now that is the only magma flow externally you will see.
No doubt about it 1980 eruption was a major event.
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Scott
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Odie
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Posted: Mon May 29, 2006 12:17 am |
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Joined: Sat Jul 09, 2005 12:46 pm Posts: 3377 Been Liked: 0 time
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I was playing up at Amboy the night before the big one in 1980.
Supposedly Yellowstone is overdue for it's cyclical BIG eruption.
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Steven Kaplan
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Posted: Mon May 29, 2006 12:19 am |
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Joined: Mon Jan 03, 2005 6:48 pm Posts: 13645 Been Liked: 11 times
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OK, I must've misunderstood something. While watching the cam, and viewing the photo's from 2 years ago I thought there was abit of a flow. I might've misunderstood. You sure there was no flow of magma at all during the past two years down Mt St Helens ? I seem to recall seeing a stream, but it's possible those were photo's showing 1980, and what could happen...
_________________ Northeast United States runner up for the "Singing Hall of Shame".
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Odie
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Posted: Mon May 29, 2006 12:21 am |
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Joined: Sat Jul 09, 2005 12:46 pm Posts: 3377 Been Liked: 0 time
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oK, there may be magma flow inside the crater, but it doesn't go down the outside area of the volcano.
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Steven Kaplan
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Posted: Mon May 29, 2006 12:22 am |
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Joined: Mon Jan 03, 2005 6:48 pm Posts: 13645 Been Liked: 11 times
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Don, yep, they are saying some of the small lakes and ponds are boiling, fish are frying, and the ground is arching in areas... It's a massive caudron.. I read in some site that there's a frequent sulpher type odor in areas too...
You have to pardon my questions. I haven't a clue about the difference between "Hollywood eruptions", and standard volcano eruptions in real.
_________________ Northeast United States runner up for the "Singing Hall of Shame".
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Flipper
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Posted: Mon May 29, 2006 12:23 am |
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Joined: Wed Mar 17, 2004 6:46 pm Posts: 1264 Been Liked: 0 time
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I had a good friend that was doing logging by helecopter on the south side of the mountain and was camping on the mountain that morning. He said that they were going to be moving closer to the east side of the mountain 2 weeks later...glad he did not.
When the mountain went off he said it was like a bomb going off and the rumbling was deafening.
Don - I think there was a movie made within the last couple of years that simulated the outcome of an eruption from yellowstone. Cant for the life of me remember the name of it.
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Scott
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Odie
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Posted: Mon May 29, 2006 12:23 am |
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Joined: Sat Jul 09, 2005 12:46 pm Posts: 3377 Been Liked: 0 time
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i'm not an expert about all this either. I've just picked up bits and pieces along the way.
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Odie
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Posted: Mon May 29, 2006 12:27 am |
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Joined: Sat Jul 09, 2005 12:46 pm Posts: 3377 Been Liked: 0 time
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Yeah, I vaguely remember a movie too.
A lot of people got out of the way of the 1980 blast just in time. Of course the legendary Harry Truman didn't. He refused to evacuate and died in the blast.
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