Earthquakes near Parkfield, California: Comparing the 1934 and 1966 Sequences

1979/09/28 by W. H. Bakun, T. V. McEvilly · 7 citations
Earth and Planetary Sciences · #Biology #Fault (geology) #Geological and Geochemical Analysis #Geology #Linguistics #Magnitude (astronomy) #Philosophy #Physics #Repetition (rhetorical device) #San andreas fault #Seismic Waves and Analysis #Seismology #Sequence (biology) #earthquake and tectonic studies

paper · doi:10.1126/science.205.4413.1375

openalex publication_date 1979/09/28 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/23

Abstract

Moderate-sized earthquakes (Richter magnitude M(L) 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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