5/10/2015 — California dormant volcanoes show seismic activity — Mammoth Mountain / Inyo Craters

After seeing NINE different dormant volcanic earthquakes across the West Coast this past week (1st week of May 2015), and after seeing earthquake activity strike directly at Mono Lake supervolcano, we now see earthquake activity resume in Central Eastern California near the Mono Lake supervolcano, and Inyo Craters.

A magnitude 2.6 earthquake has struck due East of Mammoth Mountain, and just Southeast of Inyo craters.

This whole volcanic complex is part of the greater “Long Valley Caldera”, which encompasses the state border region of Central California and Nevada.

 

dormant volcano may 10 2015

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Information on this 2.6M earthquake from the USGS:

M2.6 – 13km E of Mammoth Lakes, California

http://earthquake.usgs.gov/earthquakes/eventpage/nc72446811#scientific_origin:nc_nc72446811

Magnitude / uncertainty 2.6 md± 0.2
Location / uncertainty 37.651°N 118.817°W± 0.2 km
Depth / uncertainty 4.0 km± 0.4
Origin Time 2015-05-10 23:09:36.850 UTC
Number of Stations 41
Number of Phases 39
Minimum Distance 2.23 km (0.02°)
Travel Time Residual 0.06 sec
Azimuthal Gap 45°
FE Region Long Valley area, California (40)

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All of this dormant volcano earthquake activity comes on the heels of the new eruption off the coast of Oregon from an undersea volcano, and multiple larger earthquakes in the Pacific Northwest (5.5M + 6.2M events).

See the update covering the West coast movement here from 7 days ago (May 3, 2015):

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