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M6.6 earthquake, Ecuador, 1942-07-12

MagnitudeM6.6mw

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Depth15 km

Time (UTC)1942-07-12 05:05

Rank in 194226 / 99among M6+

Rank since 19003936 / 14,458

Energy vs an M6×7approx.

29 km SE of Pedernales, Ecuador · -0.13, -79.88

M6.5+ within 300 km (largest first)

1906 M8.8M8.8

1942 M7.8M7.8

2016 M7.8M7.8

1979 M7.7M7.7

1958 M7.6M7.6

1998 M7.2M7.2

1987 M7.2M7.2

1956 M7.0M7.0

1958 M6.9M6.9

2016 M6.9M6.9

1958 M6.8M6.8

2023 M6.8M6.8

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.3 1942-07-08	1942-07-08 22:31	15 km	23 km NW of Muisne, Ecuador
M6.2 1942-07-07	1942-07-07 12:37	15 km	27 km NW of Muisne, Ecuador
M6.1 1942-07-04	1942-07-04 01:53	15 km	49 km W of Muisne, Ecuador
M6.2 1942-06-16	1942-06-16 21:05	15 km	70 km W of Muisne, Ecuador
M6.4 1942-05-17	1942-05-17 15:14	15 km	27 km WSW of Muisne, Ecuador
M6.3 1942-05-15	1942-05-15 11:51	15 km	6 km SSW of Muisne, Ecuador
M7.8 1942-05-14	1942-05-14 02:13	20 km	12 km SE of Pedernales, Ecuador
M6.3 1938-02-08	1938-02-08 14:21	15 km	74 km WSW of Jipijapa, Ecuador
M6.3 1938-02-08	1938-02-08 07:16	15 km	27 km WSW of Jipijapa, Ecuador
M6.8 1933-10-02	1933-10-02 15:29	15 km	46 km SW of Paján, Ecuador

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.