All earthquakesCalifornia

California earthquakes in 1965

232 earthquakes of magnitude 2.5 or more were located in California in 1965. The largest: M5.6 115 km W of Ferndale, California, Sep 15, 1965.

From the USGS catalog. Times are local to each quake.

19641966

Map

Where every quake of 1965 was located in California. Select one for its page.

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Every quake of 1965

Magnitude 2.5 and up, newest first.

The largest

The 25 largest of 1965 in California.

Month by month

Counted by UTC date, which is how the catalog files them.

MonthQuakesLargestWhere
January 1965124.56km NW of Fontana, CA
February 1965205.362 km WSW of Ferndale, California
March 1965113.62km NE of Huron, CA
April 1965184.65km NNE of Fontana, CA
May 196533.211km NNE of Trabuco Canyon, CA
June 1965354.539km SSE of Smith Valley, NV
July 1965194.28km SW of Salton City, CA
August 1965264.513km NNE of Ocotillo Wells, CA
September 1965235.6115 km W of Ferndale, California
October 1965225.08km NNE of Cabazon, CA
November 1965153.924km NW of Ocotillo, CA
December 1965283.722km NNW of Tehachapi, CA

What this means

The catalog is only as complete as the instruments of the time. Worldwide coverage of magnitude 5 and up dates from the 1960s, and of 4.5 from the 1990s; earlier years hold the large quakes and the ones near a station, so a low count in an early year means fewer instruments, not a quiet earth.

By year

Every year the USGS catalog covers.

Nearby

California nowWorldwide in 1965

Sources

Earthquakes, magnitudes, depths, shaking estimates and felt reports from the U.S. Geological Survey Earthquake Hazards Program, read from its live feeds and its catalog back to 1900. Tsunami messages from NOAA’s tsunami warning centers.