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M6.9 earthquake, California Earthquake, 1989-10-18

MagnitudeM6.9mw

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Depth17 km

Time (UTC)1989-10-18 00:04

Rank in 198912 / 137among M6+

Rank since 19001890 / 14,458

Energy vs an M6×22approx.

The 1989 Loma Prieta, California Earthquake · 37.04, -121.88

M6.5+ within 300 km (largest first)

1906 M7.9M7.9

1927 M6.9M6.9

1989 M6.9M6.9

1983 M6.7M6.7

1922 M6.5M6.5

2003 M6.5M6.5

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.1 1984-11-23	1984-11-23 18:08	8 km	4 km NNW of Round Valley, California
M6.2 1984-04-24	1984-04-24 21:15	8 km	The 1984 Morgan Hill, California Earthquake
M6.7 1983-05-02	1983-05-02 23:42	10 km	The 1983 Coalinga, California Earthquake
M6.2 1980-05-27	1980-05-27 14:50	14 km	9 km SW of Aspen Springs, California
M6.1 1980-05-25	1980-05-25 19:44	12 km	8 km W of Aspen Springs, California
M6.0 1980-05-25	1980-05-25 16:49	7 km	7 km ENE of Mammoth Lakes, California
M6.1 1980-05-25	1980-05-25 16:33	7 km	11 km WNW of Aspen Springs, California
M6.2 1952-11-22	1952-11-22 07:46	6 km	28km NW of Cambria, CA
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

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.