Wednesday, May 22, 2013

Arkansas M3.4 earthquake

Silly me, just writing that those injection quakes would never mount to anything.  This one is quite a distance, but I suppose if they are injecting at Clinton, they are injecting here.

An M3.4 is getting to the size where a mechanism may develop.  Those M2's are way too small.  We have to see how this develops, since they are injecting, and I'm quite surprised by it, after the last time.

Update:  More quakes are showing it to be a fine mechanism, just like before.  Now the thrust area is developing, can't wait to see the shear wing!

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