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M8.0 earthquake, Chile, 1985-03-03

MagnitudeM8.0mw

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Depth33 km

Time (UTC)1985-03-03 22:47

Rank in 19851 / 160among M6+

Rank since 190091 / 14,458

Energy vs an M6×1,000approx.

25 km WSW of Valparaíso, Chile · -33.13, -71.87

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

1928 M7.7M7.7

1914 M7.7M7.7

1965 M7.4M7.4

1985 M7.4M7.4

1928 M7.2M7.2

1931 M7.2M7.2

1981 M7.2M7.2

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.2 1984-06-11	1984-06-11 02:05	46 km	11 km S of Ovalle, Chile
M6.2 1983-12-15	1983-12-15 04:22	100 km	53 km ESE of Los Andes, Chile
M6.8 1981-11-07	1981-11-07 03:29	65 km	29 km NNW of La Ligua, Chile
M7.2 1981-10-16	1981-10-16 03:25	33 km	135 km W of Valparaíso, Chile
M6.2 1981-03-23	1981-03-23 19:28	46 km	27 km WSW of San Antonio, Chile
M6.7 1973-10-05	1973-10-05 05:47	33 km	24 km WSW of La Ligua, Chile
M6.5 1973-10-05	1973-10-05 05:45	14 km	27 km WNW of Valparaíso, Chile
M6.1 1972-12-29	1972-12-29 04:51	53 km	6 km ENE of Ovalle, Chile
M6.4 1971-07-11	1971-07-11 09:51	40 km	49 km WNW of La Ligua, Chile
M7.8 1971-07-09	1971-07-09 03:03	61 km	19 km NNE of Hacienda La Calera, 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.