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by Stratigraphy.net
New from Snet: Lithologs, a new tool to create lithological/sedimentological logs online..

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Warm weather brings Oklahoma earthquakes back

There is an almost perfect correlation between OK seismic energy and freezing temperatures.  A cold spell cuts off the earthquakes, and now, the warm turns them on again. I was quite surprised by the large New Madrid earthquake.  Called an m3.6, it is really an m5, quite deep.  That's at the tip of the shear section, so the fault is extending.  The Oklahoma strain field is tickling the

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