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M8.1 earthquake, Peru, 1942-08-24

MagnitudeM8.1mw

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Depth30 km

Time (UTC)1942-08-24 22:50

Rank in 19421 / 99among M6+

Rank since 190058 / 14,458

Energy vs an M6×1,413approx.

21 km NNE of Minas de Marcona, Peru · -15.04, -75.03

M6.5+ within 300 km (largest first)

2001 M8.4M8.4

1942 M8.1M8.1

2007 M8.0M8.0

1913 M7.7M7.7

1996 M7.7M7.7

1922 M7.2M7.2

2024 M7.2M7.2

1960 M7.1M7.1

2013 M7.1M7.1

2018 M7.1M7.1

1979 M6.9M6.9

2011 M6.9M6.9

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.0 1932-12-09	1932-12-09 08:34	35 km	near the coast of central Peru
M6.6 1930-06-25	1930-06-25 21:21	15 km	91 km SSW of Santiago, Peru
M6.2 1930-06-25	1930-06-25 10:17	30 km	9 km S of San Juan, Peru
M7.2 1922-10-11	1922-10-11 14:49	75 km	35 km N of El Cardo, Peru
M6.3 1922-04-06	1922-04-06 03:12	15 km	144 km W of Paracas, Peru
M6.5 1921-01-09	1921-01-09 12:55	15 km	12 km S of Chiara, Peru
M6.5 1920-02-28	1920-02-28 18:40	15 km	12 km WNW of Cotaruse, Peru
M6.7 1919-09-13	1919-09-13 12:19	30 km	103 km SSW of Atico, Peru
M6.9 1916-10-03	1916-10-03 01:26	70 km	13 km SSW of San Juan, Peru
M7.7 1913-08-06	1913-08-06 22:14	25 km	37 km SSW of Atico, Peru

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.