4/27/2015 — Earthquake forecast area hit — 4.4 magnitude FRACKING earthquake in Midwest / Oklahoma

Just as we were expecting, a 4.4 magnitude (4.2M revised) earthquake has struck Central Oklahoma at a fracking operation.

oklahoma fracking 4.4m earthquake april 27 2015

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This Oklahoma earthquake activity follows a 2.9M at the Southern Colorado fracking operations, and a series of larger earthquakes along the West Coast, including a 5.5M off the shores of California, a 6.2M off the shores of Vancouver Island BC, and two back to back 4.2M earthquakes in Northern Idaho (along the edge of the craton).

This movement was forecast to occur in the most recent earthquake forecast, calling for a mid 4.0M earthquake to strike Oklahoma within a few days (issued the warning on April 24, 2015).

Specifically speaking about Oklahoma at approximately 15min 30sec:

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M4.2 – 9km NE of Guthrie, Oklahoma

http://earthquake.usgs.gov/earthquakes/eventpage/us200029pp#scientific_origin:us_us200029pp

Magnitude / uncertainty 4.2 mb_lg± 0.0
Location / uncertainty 35.944°N 97.359°W± 1.5 km
Depth / uncertainty 8.4 km± 7.9
Origin Time 2015-04-27 22:22:17.920 UTC
Number of Stations
Number of Phases 31
Minimum Distance 18.37 km (0.17°)
Travel Time Residual 0.21 sec
Azimuthal Gap 73°
FE Region Oklahoma (499)

 

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