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M6.6 earthquake, Chile, 1961-10-18

MagnitudeM6.6mw

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Depth20 km

Time (UTC)1961-10-18 16:51

Rank in 196127 / 104among M6+

Rank since 19003955 / 14,458

Energy vs an M6×7approx.

10 km W of Talcahuano, Chile · -36.74, -73.24

M6.5+ within 300 km (largest first)

1960 M9.5M9.5

2010 M8.8M8.8

1960 M8.1M8.1

1939 M7.8M7.8

1960 M7.8M7.8

1928 M7.7M7.7

1975 M7.7M7.7

1914 M7.7M7.7

1953 M7.5M7.5

1960 M7.4M7.4

2010 M7.4M7.4

1920 M7.3M7.3

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.1 1961-05-11	1961-05-11 08:38	25 km	17 km WNW of Nacimiento, Chile
M6.2 1961-04-08	1961-04-08 17:59	25 km	11 km W of Traiguén, Chile
M7.4 1960-11-01	1960-11-01 08:45	20 km	Off the coast of Araucania, Chile
M6.9 1960-06-20	1960-06-20 12:59	25 km	17 km WSW of Pitrufquén, Chile
M7.0 1960-06-20	1960-06-20 02:01	25 km	24 km WNW of Traiguén, Chile
M6.1 1960-06-01	1960-06-01 05:03	35 km	28 km WSW of Angol, Chile
M6.3 1960-05-29	1960-05-29 07:39	25 km	17 km W of Mulchén, Chile
M6.2 1960-05-23	1960-05-23 09:52	25 km	22 km ESE of Cañete, Chile
M6.4 1960-05-23	1960-05-23 05:13	25 km	9 km N of Traiguén, Chile
M6.5 1960-05-23	1960-05-23 00:25	20 km	64 km WNW of Carahue, 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.