Home › 2003 › California

M6.5 earthquake, California, 2003-12-22

MagnitudeM6.5mw

This page is updated only once a day and is not an alert service. For current earthquake and tsunami information, check the Japan Meteorological Agency, the USGS and your local authorities.

Depth8 km

Time (UTC)2003-12-22 19:15

Rank in 200349 / 154among M6+

Rank since 19004535 / 14,458

Energy vs an M6×6approx.

10 km NE of San Simeon, California · 35.70, -121.10

M5.5+ within 100 km in the next 30 days

None

M6.5+ within 300 km (largest first)

1906 M7.9M7.9

1952 M7.5M7.5

1927 M6.9M6.9

1989 M6.9M6.9

1925 M6.8M6.8

1994 M6.7M6.7

1983 M6.7M6.7

1971 M6.6M6.6

1922 M6.5M6.5

2003 M6.5M6.5

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.7 1994-01-17	1994-01-17 12:30	18 km	Northridge, California, earthquake
M6.9 1989-10-18	1989-10-18 00:04	17 km	The 1989 Loma Prieta, California Earthquake
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
M6.6 1971-02-09	1971-02-09 14:00	9 km	1971 San Fernando Earthquake, 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.