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M7.7 earthquake, Indonesia, 1966-09-08

MagnitudeM7.7mw

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Depth115 km

Time (UTC)1966-09-08 21:15

Rank in 19663 / 109among M6+

Rank since 1900231 / 14,458

Energy vs an M6×367approx.

90 km NE of Tobelo, Indonesia · 2.39, 128.49

M6.5+ within 300 km (largest first)

1966 M7.7M7.7

1968 M7.7M7.7

1969 M7.6M7.6

1907 M7.5M7.5

1986 M7.5M7.5

2007 M7.5M7.5

1914 M7.5M7.5

2026 M7.4M7.4

1938 M7.2M7.2

2009 M7.2M7.2

1925 M7.1M7.1

1989 M7.1M7.1

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.2 1966-03-08	1966-03-08 05:41	29 km	138 km ENE of Bitung, Indonesia
M6.2 1961-10-23	1961-10-23 14:39	15 km	232 km SE of Sarangani, Philippines
M6.3 1960-12-14	1960-12-14 23:51	65 km	219 km NE of Laikit, Laikit II (Dimembe), Indonesia
M6.1 1960-03-06	1960-03-06 02:22	30 km	129 km SE of Tobelo, Indonesia
M6.6 1960-03-05	1960-03-05 13:49	30 km	145 km SE of Tobelo, Indonesia
M6.1 1959-09-05	1959-09-05 06:07	20 km	148 km SE of Tobelo, Indonesia
M6.0 1957-06-06	1957-06-06 19:49	20 km	246 km NNW of Tobelo, Indonesia
M6.3 1955-02-14	1955-02-14 16:53	35 km	229 km NNW of Tobelo, Indonesia
M6.0 1953-04-07	1953-04-07 23:58	35 km	177 km NNW of Tobelo, Indonesia
M6.2 1952-04-14	1952-04-14 23:49	70 km	226 km SE of Sarangani, Philippines

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.