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re: Super Volcano Going To Erupt At Yellowstone?
Posted on 4/2/14 at 11:14 am to DeltaDoc
Posted on 4/2/14 at 11:14 am to DeltaDoc
quote:
Sunday’s earthquake did not have the right focal mechanism to be directly related to magma moving below the surface either. You would expect if an earthquake was being caused by magma working its way upwards and making room for itself in the crust that any earthquake that were to occur would be one caused by extension. However, the recent M4.7 earthquake had a focal mechanism that suggests it was mainly reverse (compressional) with a smidge of strike-slip (side-by-side) motion — not what you would expect for magma moving upwards leading to an eruption.
Source
Posted on 4/2/14 at 11:33 am to BottomlandBrew
We went to Yellowstone a couple of summers ago. I will tell you that it is surreal to see signs that say, "stay on the boardwalk" in the Midway geyser field because they don't know how thick the crust is there and when it will break through. I guess it just never comes to mind that the middle of the Earth is actually so hot until you see that or a lava flow.
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