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M6.6 earthquake, Chile, 2023-10-31

MagnitudeM6.6mww

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Depth34 km

Time (UTC)2023-10-31 12:33

Rank in 202342 / 147among M6+

Rank since 19003797 / 14,458

Energy vs an M6×8approx.

80 km WSW of Vallenar, Chile · -28.74, -71.56

M5.5+ within 100 km in the next 30 days

None

M6.5+ within 300 km (largest first)

1922 M8.5M8.5

1943 M8.1M8.1

1918 M8.0M8.0

1939 M7.4M7.4

1983 M7.4M7.4

1997 M7.1M7.1

1904 M7.0M7.0

1922 M7.0M7.0

1955 M7.0M7.0

1918 M6.9M6.9

1917 M6.9M6.9

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.3 2023-09-06	2023-09-06 23:48	36 km	38 km SSW of Coquimbo, Chile
M6.0 2021-07-04	2021-07-04 01:29	22 km	72 km WSW of Vallenar, Chile
M6.3 2020-09-06	2020-09-06 01:16	30 km	40 km NW of Ovalle, Chile
M6.5 2020-09-01	2020-09-01 21:09	16 km	94 km NW of Vallenar, Chile
M6.3 2020-09-01	2020-09-01 04:30	16 km	78 km NW of Vallenar, Chile
M6.8 2020-09-01	2020-09-01 04:09	21 km	86 km NW of Vallenar, Chile
M6.4 2019-06-14	2019-06-14 00:19	11 km	72 km W of Coquimbo, Chile
M6.7 2019-01-20	2019-01-20 01:32	63 km	10 km SSW of Coquimbo, Chile
M6.2 2018-04-10	2018-04-10 10:19	66 km	56 km SW of Ovalle, Chile
M6.0 2016-02-22	2016-02-22 06:36	12 km	105 km WSW of Coquimbo, 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.