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M6.5 earthquake, Mexico, 1951-12-28

MagnitudeM6.5mw

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Depth31 km

Time (UTC)1951-12-28 09:20

Rank in 195123 / 135among M6+

Rank since 19003984 / 14,458

Energy vs an M6×7approx.

10 km SSE of Coacoyulichán, Mexico · 16.72, -98.88

M6.5+ within 300 km (largest first)

1928 M8.0M8.0

1907 M7.8M7.8

1978 M7.7M7.7

1979 M7.6M7.6

1931 M7.6M7.6

1957 M7.6M7.6

1911 M7.5M7.5

1928 M7.5M7.5

1909 M7.5M7.5

1999 M7.5M7.5

1908 M7.5M7.5

1943 M7.4M7.4

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M7.1 1950-12-14	1950-12-14 14:15	35 km	0 km SW of Igualapa, Mexico
M6.1 1950-11-17	1950-11-17 19:28	20 km	9 km SE of Hacienda de Cabañas, Mexico
M6.5 1948-01-06	1948-01-06 17:23	30 km	6 km SSW of El Polvorín, Mexico
M6.3 1946-05-15	1946-05-15 22:10	15 km	15 km SW of Puerto Ángel, Mexico
M6.3 1944-01-10	1944-01-10 20:33	15 km	96 km SSW of Tetitlán, Mexico
M6.7 1944-01-10	1944-01-10 20:09	15 km	6 km SW of Tenexpa, Mexico
M7.4 1943-02-22	1943-02-22 09:20	20 km	18 km SSW of Palos Blancos, Mexico
M6.1 1942-11-25	1942-11-25 01:18	25 km	5 km ESE of El Carrizo, Mexico
M6.1 1938-06-28	1938-06-28 19:17	35 km	7 km W of Acapetlahuaya, Mexico
M6.5 1938-05-11	1938-05-11 14:44	20 km	71 km SSW of Papanoa, 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.