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M6.6 earthquake, Indonesia, 1947-09-25

MagnitudeM6.6mw

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Depth15 km

Time (UTC)1947-09-25 23:31

Rank in 194724 / 83among M6+

Rank since 19003263 / 14,458

Energy vs an M6×9approx.

54 km NNE of Ternate, Indonesia · 1.26, 127.53

M6.5+ within 300 km (largest first)

1966 M7.7M7.7

1932 M7.7M7.7

1968 M7.7M7.7

1907 M7.5M7.5

1986 M7.5M7.5

2007 M7.5M7.5

2026 M7.4M7.4

1908 M7.3M7.3

1938 M7.2M7.2

2019 M7.2M7.2

1963 M7.1M7.1

1925 M7.1M7.1

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M7.1 1947-06-12	1947-06-12 09:02	15 km	128 km ESE of Laikit, Laikit II (Dimembe), Indonesia
M6.4 1944-10-14	1944-10-14 20:16	15 km	51 km SW of Tobelo, Indonesia
M6.7 1944-09-11	1944-09-11 09:45	15 km	139 km W of Ternate, Indonesia
M6.2 1943-07-08	1943-07-08 14:35	35 km	244 km SSE of Sarangani, Philippines
M6.1 1942-12-13	1942-12-13 19:12	25 km	132 km WSW of Ternate, Indonesia
M6.1 1941-02-27	1941-02-27 09:44	15 km	241 km NNW of Tobelo, Indonesia
M6.1 1938-10-11	1938-10-11 00:08	15 km	199 km NE of Laikit, Laikit II (Dimembe), Indonesia
M7.2 1938-10-10	1938-10-10 20:48	15 km	182 km WNW of Tobelo, Indonesia
M6.0 1938-10-07	1938-10-07 00:51	25 km	115 km SE of Tondano, Indonesia
M6.2 1937-09-21	1937-09-21 09:39	15 km	163 km ENE of Laikit, Laikit II (Dimembe), Indonesia

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.