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M6.6 earthquake, Mexico, 1948-12-04

MagnitudeM6.6mw

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Depth15 km

Time (UTC)1948-12-04 00:22

Rank in 194829 / 114among M6+

Rank since 19003834 / 14,458

Energy vs an M6×8approx.

142 km WNW of Corral del Risco (Punta de Mita), Mexico · 21.18, -106.82

M6.5+ within 300 km (largest first)

1900 M7.3M7.3

1905 M7.0M7.0

1997 M6.9M6.9

1931 M6.8M6.8

1953 M6.8M6.8

1965 M6.7M6.7

1972 M6.6M6.6

2016 M6.6M6.6

1969 M6.6M6.6

1950 M6.6M6.6

1948 M6.6M6.6

1938 M6.6M6.6

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.1 1947-11-21	1947-11-21 04:17	15 km	216 km WSW of La Cruz de Loreto, Mexico
M6.3 1946-05-09	1946-05-09 23:34	10 km	172 km ESE of La Playa, Mexico
M6.0 1945-04-15	1945-04-15 19:50	35 km	162 km SW of Los Pozos, Mexico
M6.6 1938-07-22	1938-07-22 07:48	20 km	233 km SW of La Cruz de Loreto, Mexico
M6.4 1937-10-05	1937-10-05 06:21	10 km	103 km E of La Playa, Mexico
M6.2 1937-07-11	1937-07-11 17:19	15 km	287 km SSE of Cabo San Lucas, Mexico
M6.3 1934-09-15	1934-09-15 06:56	15 km	10 km ESE of Mascota, Mexico
M6.0 1933-04-09	1933-04-09 21:03	15 km	177 km WSW of La Cruz de Loreto, Mexico
M6.2 1932-03-14	1932-03-14 04:06	15 km	176 km SE of La Playa, Mexico
M6.0 1931-10-26	1931-10-26 04:25	10 km	132 km ESE of La Playa, Mexico

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.