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M6.6 earthquake, Ecuador, 1944-10-23

MagnitudeM6.6mw

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Depth20 km

Time (UTC)1944-10-23 23:40

Rank in 194429 / 83among M6+

Rank since 19003416 / 14,458

Energy vs an M6×8approx.

45 km ESE of Esmeraldas, Ecuador · 0.77, -79.30

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

2013 M6.9M6.9

2016 M6.9M6.9

1958 M6.8M6.8

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.3 1942-12-15	1942-12-15 09:09	15 km	off the coast of Ecuador
M6.5 1942-11-19	1942-11-19 08:51	15 km	113 km WNW of Manta, Ecuador
M6.4 1942-11-12	1942-11-12 15:26	15 km	68 km W of Pedernales, Ecuador
M6.6 1942-07-12	1942-07-12 05:05	15 km	29 km SE of Pedernales, Ecuador
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

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.