GRCC seismometer registers California earthquakes

On July 4, GRCC’s seismometer (GRMI) recorded a magnitude 6.4 earthquake west of the Searles Valley in Southern California (the first earthquake on July 4 is a M6.2 along the west coast of Canada). This was followed a day later by a larger M7.1 earthquake. Below, you can see the differences in the earthquake seismograms reflecting the difference in energy release between a M6.4 and a M7.1 earthquake. The USGS website has maps and more details about both events.

A seismometer readout of the Canada and California earthquakes

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