Home › 1968 › California Earthquake

M6.6 earthquake, California Earthquake, 1968-04-09

MagnitudeM6.6mw

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.

Depth10 km

Time (UTC)1968-04-09 02:28

Rank in 196838 / 159among M6+

Rank since 19003439 / 14,458

Energy vs an M6×8approx.

The 1968 Borrego Mountain, California Earthquake · 33.18, -116.10

M6.5+ within 300 km (largest first)

1992 M7.3M7.3

2010 M7.2M7.2

1999 M7.1M7.1

1940 M6.9M6.9

1956 M6.8M6.8

1918 M6.7M6.7

1994 M6.7M6.7

1942 M6.6M6.6

1971 M6.6M6.6

1987 M6.6M6.6

1903 M6.6M6.6

1968 M6.6M6.6

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.5 1966-08-07	1966-08-07 17:36	10 km	6 km S of Golfo de Santa Clara, Mexico
M6.5 1956-02-15	1956-02-15 01:20	6 km	120km ESE of Maneadero, B.C., MX
M6.4 1956-02-14	1956-02-14 18:33	6 km	129km SE of Maneadero, B.C., MX
M6.2 1956-02-09	1956-02-09 15:24	6 km	66km ESE of Maneadero, B.C., MX
M6.8 1956-02-09	1956-02-09 14:32	6 km	34km ENE of Maneadero, B.C., MX
M6.1 1954-11-12	1954-11-12 12:26	6 km	30km ENE of Ensenada, B.C., MX
M6.4 1954-10-17	1954-10-17 22:57	15 km	50 km SW of Rodolfo Sánchez Taboada, Mexico
M6.4 1954-03-19	1954-03-19 09:54	6 km	The 1954 San Jacinto Fault, California Earthquake
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

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.