Posted on 09/30/2004 12:02:30 AM PDT by datura
When you live near a volcano, as people do all over the world (example, agricultural on the slopes of Vesuvius; tourism in Hawaii), you need to be aware of the risks. If you are in a topographich low, such as a valley, you might be sheltered from immediate blast effects, but run the risk of being caught in a lahar. If you are up on a ridge with a view of the volcano, it might be the last thing you ever see. Bottom line is, be prepared to take some sort of appropriate action.
Coincidently, the wooden debris trapped in the flows can be dated using radiometric techniques. That's one way the researchers have been able to develop statistics for eruption frequency.
I haven't read the entire thread, but are you in an area with potentially active volcanoes? The screen name suggests Alaska to me, and that is certainly a seismically active area!
I live in Western Washington...
Thanks!
Then don't forget your raincoat! ;^)
Really though, stay safe.
Raincoats are for wussies ;0)
Thanks - I'm pretty sure I'm quite safe. Of course, I havn't gotten back on I-405 yet today ;0)
It's Bush's fault!
Finally got out of the apartment in North Seattle and made it over to work on the UW campus - looking right out at Mt Rainier (when it's visible).
Sorry to be late answering. Actually pretending to get some work done.
Well, I was asking because you seemed to be pretty concerned, and I just thought I'd find out what area you lived in...
Anyway, I wouldn't sweat it, my FRIend. Sit back, enjoy the show, and don't get overly-concerned :0)
Semper Grandpa
I think it is just a earthquake meter? It was par of the same group on this site:
http://www.pnsn.org/WEBICORDER/GREEN/HOOD_EHZ_UW.2004093012.gif
So is there a volcano there or is it movement from tremors? Hope she stays safe...
I could have beachfront views if half of Oregon goes out to sea........
I think it's just movement from tremors. I know we have something like 9 Volcanos here (everyone knows the the 5 main ones) and I don't think (again, I could be wrong) that Mt. Constitution is one of them...
Oh, yeah, I almost forgot... It's all Bush's fault!
Please FReepmail me if you want on or off my infrequent miscellaneous ping list.
Is this true?
That's a big "if". It's highly unlikely that Rainier would produce a lateral blast eruption like St. Helens did; even if it did, it would have to be on the scale of Mt. Mazama (the Crater Lake eruption) to cause a volcanic blast wave over Tacoma.
So the answer is no. A St. Helens-type eruption from Rainier would certainly affect Tacoma (look at what happened to Clark Air Force base after Pinatubo's blast in 1991), but it wouldn't hit it like a nuclear bomb.
From another thread:
According to my sister, most are simply seismic "reflections" from the activity at St Helens. However, there is extreme concern about the activity on Mt Rainier and Mt Consitituion (Orcas Island). These activities do not map to the St Helens activity and are felt to be related (seismic pressure?) but not mere reflections.
38 posted on 09/30/2004 3:13:54 PM PDT by Trident/Delta http://www.freerepublic.com/focus/f-news/1231806/posts?page=47#47
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