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M7.5 earthquake, California Earthquake, 1952-07-21

MagnitudeM7.5mw

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Depth6 km

Time (UTC)1952-07-21 11:52

Rank in 19523 / 166among M6+

Rank since 1900451 / 14,458

Energy vs an M6×178approx.

The 1952 Kern County, California Earthquake · 34.96, -119.00

M6.5+ within 300 km (largest first)

1952 M7.5M7.5

1992 M7.3M7.3

1999 M7.1M7.1

2019 M7.1M7.1

1927 M6.9M6.9

1925 M6.8M6.8

1918 M6.7M6.7

1994 M6.7M6.7

1983 M6.7M6.7

1971 M6.6M6.6

1947 M6.5M6.5

1922 M6.5M6.5

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.0 1948-12-04	1948-12-04 23:43	6 km	The 1948 Desert Hot Springs, California Earthquake
M6.5 1947-04-10	1947-04-10 15:58	6 km	The 1947 Manix, California Earthquake
M6.3 1946-03-15	1946-03-15 13:49	6 km	The 1946 Walker Pass, California Earthquake
M6.0 1941-09-14	1941-09-14 18:39	–	Mammoth Lakes area, California
M6.0 1941-09-14	1941-09-14 16:43	–	Mammoth Lakes area, California
M6.4 1933-03-11	1933-03-11 01:54	6 km	The 1933 Long Beach, California Earthquake
M6.9 1927-11-04	1927-11-04 13:51	10 km	The 1927 Lompoc, California Earthquake
M6.8 1925-06-29	1925-06-29 14:42	10 km	The 1925 Santa Barbara, California Earthquake
M6.2 1923-07-23	1923-07-23 07:30	5 km	3 km SE of San Bernardino, California
M6.5 1922-03-10	1922-03-10 11:21	–	1922 Parkfield, California Earthquake

Energy ratio uses the rule that one magnitude unit is about 32 times the energy. Magnitudes and locations are USGS values and can differ from national agencies. Older records are less complete and less precise.