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Old 11-July-2008, 05:00 AM
dgavin dgavin is offline
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Default Mt. St. Helen's - After Cycle Updates

Ok, this might be premature, but going to go ahead and start this off by linking to all the prior BAUT threads about the now quiet volcano.

St. Helen's 2003 -2004 (original) Update thread - Missing in Action

St. Helen's 2004 (Mutant Fly #2 silliness)

St. Helen's 2004 (Bad Media thread)

St. Helen's 2004 (Against the Mainstream thread)

St. Helen's 2005 (Universe Today Article)

St. Helen's 2005

St. Helen's Updates 2006-2008

St. Helen's 2006

St. Helen's 2007

St. Helen's goes to sleep 2008
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Last edited by dgavin; 11-July-2008 at 09:00 PM.
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Old 30-September-2008, 08:24 PM
dgavin dgavin is offline
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Well, it's really looking as if St. Helens has gone back to sleep.

Since the USGS Announcement about it returning to slumber in July, earthquake activity has fallen to pre-1980 background levels, with the exception of the fairly continuous rock slide signals.

However this doesn't mean the end of the posts! Coming soon as the information is available I'll be posting on the Post-Eruption erosion patterns, and similar information.

However the cool imagery will not be coming out as often, the USGS is still taking the pictures, but their web site isn't being updated as often with them. (Understandable with all the activity in Alaska they have been concentrating on)

In other Cascade Volcano news, USGS has added more monitoring equipment at the Three Sisters uplift site, and surprisingly at Crater Lake. I suspect the later has more to do with hydrology equipment then seismology, but I haven't found any more details on it other then new equipment was installed.
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Old 09-October-2008, 05:34 AM
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I look forward Mr. Gavin.
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Old 28-October-2008, 07:55 PM
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Well, St. Helens may be asleep again, but even snoring giants can cause damage.

The Brutus camera was the victim of a rock slide.

Brutus Site Camera...Rest in Pieces

the Glacier toes are still growing and moving, and getting a new infusion of Snow already. Up Close and Personal with a Glaicer Toe.

From the Weekly Status report

Quote:
One party also mapped out the margin of the west arm of Crater Glacier and found that it had advanced 5 to 15 meters along its breadth since July 31, 2008.
Now that is a speedy little glacier! Now that the two glacier toes are merging, we have the potential to see something new, possibly a Small lake/pond forming in the depression behind them.

If this does happen, it can be expected that such a pond will grow in size as the Glacier debris piles up, and eventually erode through the debris dam, and cause a small flash flood into the lowitt falls area. This would really be a cool thing if it does happen, because it would be likely the first small example of the larger versions of this that happened at the end of the last ice age.

Time will tell if watter pooling does start up behind the glaciers, probably next summer, or summer after will show indecators of this or not.
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Old 28-October-2008, 11:19 PM
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This will be great to know how rapid a lake/pool will form, thank you dgavin for this update, I will check in to see what occurs from time to time.

chrissy
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Old 30-October-2008, 01:56 AM
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Anyone ever been to the Mt. St. Helens National Volcanic Monument? It's spectacular! From the Jonston ridge observation center, you can see how the north side of the mountain collapsed. It's amazing to see how the blast affected the trees, depending on terrain and distance from the mountain.
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Old 30-October-2008, 04:26 AM
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I've been, but not in a long time. Maybe I'll go again next summer.
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Old 30-October-2008, 04:43 PM
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Quote:
Originally Posted by redshifter View Post
Anyone ever been to the Mt. St. Helens National Volcanic Monument? It's spectacular! From the Jonston ridge observation center, you can see how the north side of the mountain collapsed. It's amazing to see how the blast affected the trees, depending on terrain and distance from the mountain.
I was there in about 1993. Yes, very very neat.
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Old 30-October-2008, 11:37 PM
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I am not that lucky, it would be an expensive trip.
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Old 25-November-2008, 08:01 PM
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Updates from USGS on the Cascade Volcano's

Quote:
Recent Observations:

Volcano seismicity at Mount St. Helens and elsewhere along the Cascades has remained at low levels over the past week.

On November 17, a small swarm of earthquakes was initiated by a M1.8 shock beneath the summit of Mount Hood.

A new data link was established between CVO and the Pierce County Emergency Operations Center in Tacoma to access real-time data streams from two new seismic/deformation monitoring stations located on the west flank of Mount Rainier.

The U.S. Geological Survey and University of Washington continue to monitor these volcanoes closely and will issue additional updates and changes in alert level as warranted.
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