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M6.7 earthquake, California Earthquake, 1918-04-21

MagnitudeM6.7mw

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Depth10 km

Time (UTC)1918-04-21 22:32

Rank in 191825 / 94among M6+

Rank since 19002761 / 14,458

Energy vs an M6×11approx.

The 1918 San Jacinto, California Earthquake · 33.76, -116.97

M6.5+ within 300 km (largest first)

1952 M7.5M7.5

1992 M7.3M7.3

2010 M7.2M7.2

1999 M7.1M7.1

2019 M7.1M7.1

1940 M6.9M6.9

1925 M6.8M6.8

1956 M6.8M6.8

1994 M6.7M6.7

1918 M6.7M6.7

1942 M6.6M6.6

1968 M6.6M6.6

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.6 1915-11-21	1915-11-21 00:13	10 km	Baja California-Sonora Border Region, Mexico
M6.0 1915-06-23	1915-06-23 03:59	–	The 1915 Imperial Valley, California Earthquakes (First Major Event)
M6.0 1910-05-15	1910-05-15 15:47	–	The 1910 Lake Elsinore, California Earthquake
M6.0 1908-11-04	1908-11-04 08:37	–	Death Valley area, California
M6.3 1906-04-19	1906-04-19 00:30	–	The 1906 Imperial Valley, 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.