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M8.1 earthquake, Chile, 1943-04-06

MagnitudeM8.1mw

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Depth35 km

Time (UTC)1943-04-06 16:07

Rank in 19431 / 113among M6+

Rank since 190059 / 14,458

Energy vs an M6×1,413approx.

45 km NNW of Illapel, Chile · -31.26, -71.37

M6.5+ within 300 km (largest first)

2015 M8.3M8.3

1906 M8.2M8.2

1943 M8.1M8.1

1985 M8.0M8.0

1971 M7.8M7.8

1965 M7.4M7.4

1985 M7.4M7.4

1931 M7.2M7.2

1981 M7.2M7.2

1997 M7.1M7.1

2015 M7.0M7.0

1904 M7.0M7.0

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.1 1940-10-24	1940-10-24 20:06	45 km	33 km SW of Melipilla, Chile
M6.1 1940-04-08	1940-04-08 08:49	20 km	59 km W of Valparaíso, Chile
M6.0 1939-01-18	1939-01-18 01:44	35 km	33 km NW of La Serena, Chile
M6.2 1937-03-19	1937-03-19 18:11	35 km	12 km S of Coquimbo, Chile
M6.6 1932-11-29	1932-11-29 11:11	35 km	31 km NNW of La Ligua, Chile
M6.0 1931-06-29	1931-06-29 20:24	25 km	39 km NE of La Serena, Chile
M6.1 1931-05-20	1931-05-20 21:53	15 km	152 km NW of Coquimbo, Chile
M7.2 1931-03-18	1931-03-18 08:02	35 km	37 km S of San Antonio, Chile
M6.5 1930-10-17	1930-10-17 08:46	35 km	17 km NNE of Hacienda La Calera, Chile
M6.0 1928-07-28	1928-07-28 19:50	15 km	107 km WNW of Illapel, Chile

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.