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M7.2 earthquake, Chile, 1985-04-09

MagnitudeM7.2mw

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Depth38 km

Time (UTC)1985-04-09 01:56

Rank in 19857 / 160among M6+

Rank since 1900928 / 14,458

Energy vs an M6×63approx.

59 km S of San Antonio, Chile · -34.13, -71.62

M6.5+ within 300 km (largest first)

2010 M8.8M8.8

2015 M8.3M8.3

1906 M8.2M8.2

1985 M8.0M8.0

1939 M7.8M7.8

1971 M7.8M7.8

1928 M7.7M7.7

1914 M7.7M7.7

1965 M7.4M7.4

1985 M7.4M7.4

1928 M7.2M7.2

1931 M7.2M7.2

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.2 1985-04-03	1985-04-03 13:06	33 km	42 km WSW of La Ligua, Chile
M6.5 1985-03-25	1985-03-25 05:14	45 km	86 km WNW of Santa Cruz, Chile
M6.7 1985-03-19	1985-03-19 04:01	42 km	18 km S of Valparaíso, Chile
M6.7 1985-03-17	1985-03-17 10:41	33 km	35 km WNW of Hacienda La Calera, Chile
M6.2 1985-03-04	1985-03-04 19:03	33 km	24 km NW of Valparaíso, Chile
M6.3 1985-03-04	1985-03-04 15:01	40 km	17 km S of Melipilla, Chile
M6.3 1985-03-04	1985-03-04 06:17	33 km	36 km WSW of Valparaíso, Chile
M6.3 1985-03-04	1985-03-04 06:06	33 km	39 km SW of San Antonio, Chile
M6.6 1985-03-04	1985-03-04 03:32	33 km	19 km NW of Valparaíso, Chile
M6.2 1985-03-04	1985-03-04 03:17	33 km	63 km SSW of San Antonio, 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.