USGS · 70012222
Earthquakes near Parkfield, California: Comparing the 1934 and 1966 sequences
Abstract
Moderate-sized earthquakes (Richter magnitude ML 5 1/2) have occurred four times this century (1901, 1922, 1934, and 1966) on the San Andreas fault near Parkfield in central California. In many respects the June 1966 sequence was a remarkably detailed repetition of the June 1934 sequence, suggesting a recurring recognizable pattern of stress and fault zone behavior.
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W. H. Bakun, T.V. McEvilly. 1979. Earthquakes near Parkfield, California: Comparing the 1934 and 1966 sequences. https://doi.org/10.1126/science.205.4413.1375
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