M 6.4 earthquake – 1901 Parkfield, California Earthquake
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Local time: Mar 2, 1901 · 23:45 (UTC-8)
Strong
Reviewed by a seismologist
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- Magnitude
- 6.4surface-wave magnitude (ms)
- Depth
- —
- Epicenter
- 36.000, -120.50020 km from Coalinga
- Energy released
- 60 kilotons of TNTabout 4 × Hiroshima
- Felt reports
- —"Did You Feel It?" responses
- Shaking intensity
- —not estimated
- Aftershocks
- 0M2.5+ within 33 km
- Significance
- 630USGS score, 0–1,000+
The strongest within 300 km on record
No earthquake this strong has been recorded this close since our catalog begins in 1900.
How strong was it?
Strong earthquake. It released 60 kilotons of TNT, 126 times the energy of a magnitude 5.0. Bars use the magnitude scale: every step is about 32 times more energy.
The strongest earthquakes within 300 km
Since 1900, around United States.
- 7.9 The 1906 San Francisco, California Earthquake Apr 18, 1906
- 7.5 The 1952 Kern County, California Earthquake Jul 21, 1952
- 7.1 Ridgecrest Earthquake Sequence Jul 6, 2019
- 6.9 The 1989 Loma Prieta, California Earthquake Oct 18, 1989
- 6.9 The 1927 Lompoc, California Earthquake Nov 4, 1927
- 6.8 The 1925 Santa Barbara, California Earthquake Jun 29, 1925
- 6.7 Northridge, California, earthquake Jan 17, 1994
- 6.7 The 1983 Coalinga, California Earthquake May 2, 1983