4/29/2015 — Midwest Earthquake Unrest — 4.2M earthquake strikes Oklahoma fracking operation

Oklahoma is on the move again (seismically speaking).

A magnitude 4.2 earthquake (4.1 revised) has struck Central Oklahoma near another fracking operation.

oklahoma 4.2m earthquake april 29 2015

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The earthquake comes on the heels of other movement earlier in the morning at dormant volcanoes in California / Nevada, and after the area was forecast to begin seeing 4.0M+ earthquakes again (forecast on April 24, 2015).

See the earthquake forecast calling for this movement here:

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Information on this 4.2M from the USGS:

http://earthquake.usgs.gov/earthquakes/eventpage/us20002a7w#scientific_origin:us_us20002a7w

Magnitude / uncertainty 4.1 mb_lg± 0.0
Location / uncertainty 36.289°N 97.527°W± 1.1 km
Depth / uncertainty 2.2 km± 7.9
Origin Time 2015-04-29 16:42:26.540 UTC
Number of Stations
Number of Phases 38
Minimum Distance 47.42 km (0.43°)
Travel Time Residual 0.22 sec
Azimuthal Gap 61°
FE Region Oklahoma (499)

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