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Originally posted by jhn7537
Wouldnt the super volcano under yellowstone be largest threat to the continental US?edit on 15-10-2011 by jhn7537 because: (no reason given)
Originally posted by Shadowalker
Originally posted by collietta
Does any one know if Mt. Rainier is creating a lava dome (I think that's what it's called)? I seem to remember from geology courses, that Mt. St. Helens created a pressure lump on the north side.
On google maps you can see the center of the cone has melted out into a mile or two wide lake. Its been like that for about a year now.
Just zoom in tight with the sat map on.
Originally posted by LifeInDeath
How big is Mt. Rainier, here's a photo of it from Seattle which is more than 50 miles away:
Originally posted by JustMike
reply to post by busterbunni
No, the number of quakes in WA lately is not extremely unusual. While they're not as common as down in California they are by no means rare. That's not really what we're concerned about. It's the locations of the quakes.
Even though Rainier gets the odd quake every now and then, and even small quake swarms every few years, whenever they happen it's worth taking note of them because sometimes, such quakes in the vicinity of a volcano can indicate significant magma movement, pressure changes or other volcanic activity. Please note I said "sometimes". But it can also be that it doesn't seem to mean much at all. There are quakes, then nothing else happens. Not right away, anyway. Other times, the quakes are an indicator.
Westcoast is not sounding major alarms here, just letting us know what's going on. If there is a significant increase in quakes around Rainier then we will be looking at it even more closely -- and lots of people on the professional side of things will be doing the same.
So, no panic yet, just studied concern. That's all. [EDIT: I'm not suggesting that you are panicking, by the way. Not at all. You asked a fair question in a calm and reasoned way. Just want people to know that right now, there's no need or point in panicking.]
edit on 15/10/11 by JustMike because: I added an edit, you see.
PDE 1990 07 28 093320.70 46.86 -121.76 0 2.9 MLSEA .F. ....... 0
PDE 1998 10 24 074438.02 46.85 -121.76 1 3.1 MLGS ... ....... 0
PDE 2002 02 19 184229.08 46.87 -121.76 0 3.2 MDSEA ... ....... 1
PDE 2004 11 07 192359.73 46.84 -121.76 1 3.2 MDSEA ... ....... 1
PDE 2007 03 25 014336.81 46.86 -121.75 0 2.7 MDSEA ... ....... 1
Originally posted by TrueAmerican
reply to post by westcoast
Well they got lotsa money to install new regimes around the world and kill people with military might, but funny how there's no money to maintain/upgrade seismos on Rainier. :shk:
Most of those darn stations on the UW network at Rainier are spewing garbage, replete with errors, and need fixing. I can't pull up a single station in GEE at Rainier- and yes I am trying SHZ channels, EHZ, BHZ, you name it. NADA. Zero. "No Data Available"
If it goes into harmonic tremor, or just even volcanic tremor during one of those squiggly spells, how the heck are they going to know? By the gas emissions?
Grrrr. Sorry, but on this one I am blind and cannot alert. Got no GEE at Rainier, so people are going to have to settle for F16's, M1's, and C130's instead. Be happy with the investment decisions your government makes for you, or you will be branded a domestic terrorist.