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M6.6 earthquake, Ecuador, 1990-09-02

MagnitudeM6.6mw

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Depth14 km

Time (UTC)1990-09-02 04:26

Rank in 199037 / 153among M6+

Rank since 19003533 / 14,458

Energy vs an M6×8approx.

34 km SW of Pedernales, Ecuador · -0.14, -80.28

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

1901 M7.2M7.2

1998 M7.2M7.2

1987 M7.2M7.2

1956 M7.0M7.0

1958 M6.9M6.9

2016 M6.9M6.9

1958 M6.8M6.8

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.3 1989-06-25	1989-06-25 20:37	15 km	19 km NNE of Esmeraldas, Ecuador
M6.0 1987-09-22	1987-09-22 16:21	10 km	36 km WSW of Tena, Ecuador
M6.4 1987-09-22	1987-09-22 13:43	10 km	26 km W of Tena, Ecuador
M6.0 1987-03-06	1987-03-06 08:14	8 km	24 km E of Cayambe, Ecuador
M7.2 1987-03-06	1987-03-06 04:10	10 km	29 km SSE of Pimampiro, Ecuador
M6.4 1987-03-06	1987-03-06 01:54	14 km	49 km SE of Pimampiro, Ecuador
M6.6 1983-11-22	1983-11-22 14:21	55 km	21 km SE of Muisne, Ecuador
M6.1 1982-08-26	1982-08-26 05:22	70 km	25 km NNW of Baláo, Ecuador
M6.4 1981-05-06	1981-05-06 21:36	33 km	37 km NNE of Salinas, Ecuador
M7.7 1979-12-12	1979-12-12 07:59	24 km	56 km NW of Valdez, 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.