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posted on 1/3/09 @ 10:00 AM
While I'm not sure about the short-lived nausea everyone's mentioning, I think some of it is northern California, including the bay area and offshore, down to Tres Pinos.
Maybe there will be another in the 4.0 range around The Geysers or Tres Pinos this week. I wonder if all the geyser and hot spring activity lately was a precursor of sorts for the Yellowstone activity?
The isotrophic rebound idea is that the weight of ice in the polar regions is so massive that it pushes down on the land and this pressure (paradoxically) deadens the effects of subterranean pressures that can cause quakes. This would be much more noticeable in the south as there is the land mass of Anarctica there, but even in the north there would be some effects. However, if a significant enough percentage of the ice is lost then the pressure reduces and the land begins to move up. It's theorized that this movement (isotrophic rebound) can lead to an increase in quake activity.
But besides the rebound theory, what do you all think about the possible relationships between Yellowstone and other places...
Originally posted by observe50
I agree about Yellowstone and Alaska.
I was reading about quakes felt in Yellowstone from the larger one 7.+ from the Denali National Park Fault ways back in time....
All we can do is to continue to monitor and see what we can make of all this.
Originally posted by kattraxx
It's just a gut feeling, but I'm thinking the increased activity at Yellowstone could be a precursor for something else... that all of this might not be about Yellowstone in and of itself. I couldn't tell you why exactly-- just a feeling that follows my belief that all of the geothermal activity in CA and NV increased before the YS activity.
University at Buffalo scientists working with ice cores have solved a mystery surrounding sunspots and their effect on climate that has puzzled scientists since they began studying the phenomenon.
The research, published in a paper in the May 15 issue of Geophysical Research Letters, provides striking evidence that sunspots -- blemishes on the sun's surface indicating strong solar activity -- do influence global climate change, but that explosive volcanic eruptions on Earth can completely reverse those influences.
A chart in the paper shows how six major volcanic eruptions between 1800 and 1962 occurred during precisely the same years when there were reversals in the correlation between sunspot activity and climate.
Originally posted by pynner
sharp pain in my left temple and left side of my sinus.