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The argument goes like this: when the climate changed naturally in the past, and the planet emerged from an ice age, large ice sheets covering much of the planet retreated. They were so heavy that the resulting release of pressure on the earth's crust caused it to 'bounce back', triggering earthquakes, tremors, and even volcanic activity along pre-existing fault lines.
Originally posted by juleol
reply to post by sylvie
Where is the massive increase in earthquakes and volcanic eruptions?? You only have to go back a century or two to find periods with more activity.
Originally posted by Rezlooper
Very good theory...but let's take another look at it. Maybe the Arctic ice and permafrost melt is relieving pressure on the earth's crust. All that ice on the poles is very heavy and puts a lot of pressure on the crust. It's a fact that there's been a lot of ice and permafrost melt, which as the ice pulls back it relieves some of this pressure and thus, we have the quakes, sinkholes, cracks, volcanoes, strange sounds and colors, freak weather, booms, explosions and on and on. This theory is along the same lines as the Earth expanding, here the crust is expanding due to less pressure.
The argument goes like this: when the climate changed naturally in the past, and the planet emerged from an ice age, large ice sheets covering much of the planet retreated. They were so heavy that the resulting release of pressure on the earth's crust caused it to 'bounce back', triggering earthquakes, tremors, and even volcanic activity along pre-existing fault lines.
Source
Here's a link about the permafrost melt.
Permafrost melt across Siberia
edit on 26-1-2013 by Rezlooper because: (no reason given)