4/23/2015 — West Coast 5.5 Magnitude earthquake off the shores of Northern California

As we were watching for, earthquake activity has struck off the shores of Northern California.

A magnitude 5.5 earthquake has occurred Northwest of San Francisco, along the “Gorda” ridge , which is part of the new lavic fields which extend West + North toward Oregon, and out to sea.

california 5.5 earthquake april 23 2015



This 5.5M earthquake off the Northwest shores of California follows a flurry of earthquakes at the California fracking operations , and after a series of steam plumes kicked off across California over the past 3 days, and a 4.0M earthquake in Oklahoma along the craton edge.



Information on this 5.5M earthquake from the USGS here:


Magnitude 5.5 Mi
Location / uncertainty 40.447°N 126.755°W± 0.0 km
Depth / uncertainty 12.0 km± 0.0
Origin Time 2015-04-24 01:34:59.000 UTC
Number of Stations 84
Number of Phases 84
Minimum Distance 243.70 km (2.19°)
Travel Time Residual 1.2 sec
Azimuthal Gap 216.0°
FE Region Off the coast of Northern California (34)


April 19th 2015 earthquake forecast here:

6 thoughts on “4/23/2015 — West Coast 5.5 Magnitude earthquake off the shores of Northern California

  1. Pingback: 4/24/2015 — 6.2M earthquake strikes Vancouver Island British Columbia — Forecast area hit | Dutchsinse

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