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M6.9 earthquake, Chile, 1975-03-13

MagnitudeM6.9ms

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Depth4 km

Time (UTC)1975-03-13 15:26

Rank in 197514 / 106among M6+

Rank since 19001846 / 14,458

Energy vs an M6×22approx.

1 km N of Coquimbo, Chile · -29.94, -71.34

M6.5+ within 300 km (largest first)

1922 M8.5M8.5

2015 M8.3M8.3

1906 M8.2M8.2

1943 M8.1M8.1

1971 M7.8M7.8

1965 M7.4M7.4

1997 M7.1M7.1

2015 M7.0M7.0

1904 M7.0M7.0

1922 M7.0M7.0

1955 M7.0M7.0

1918 M6.9M6.9

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.7 1973-10-05	1973-10-05 05:47	33 km	24 km WSW of La Ligua, Chile
M6.1 1972-12-29	1972-12-29 04:51	53 km	6 km ENE of Ovalle, Chile
M6.8 1972-06-08	1972-06-08 18:53	44 km	43 km WNW 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
M6.4 1970-12-08	1970-12-08 19:30	49 km	29 km SW of Monte Patria, Chile
M6.0 1970-03-15	1970-03-15 12:39	117 km	86 km NW of San José de Jáchal, Argentina
M6.0 1969-11-13	1969-11-13 07:51	24 km	133 km NW of Vallenar, Chile
M6.2 1969-04-26	1969-04-26 06:02	32 km	5 km NW of Ovalle, Chile
M6.0 1969-04-26	1969-04-26 05:58	38 km	35 km WSW of Ovalle, 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.