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M6.6 earthquake, Indonesia, 1983-10-27

MagnitudeM6.6mw

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Depth28 km

Time (UTC)1983-10-27 19:43

Rank in 198338 / 136among M6+

Rank since 19003485 / 14,458

Energy vs an M6×8approx.

245 km NNE of Palu, Indonesia · 1.09, 120.83

M6.5+ within 300 km (largest first)

1939 M8.1M8.1

1996 M7.9M7.9

1905 M7.8M7.8

1990 M7.8M7.8

1938 M7.7M7.7

2018 M7.5M7.5

1991 M7.5M7.5

1941 M7.4M7.4

1984 M7.4M7.4

2008 M7.4M7.4

1968 M7.2M7.2

1913 M7.1M7.1

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.5 1983-10-25	1983-10-25 00:36	33 km	250 km NNE of Palu, Indonesia
M6.5 1983-10-16	1983-10-16 05:32	40 km	231 km WNW of Gorontalo, Indonesia
M6.0 1982-03-29	1982-03-29 21:33	187 km	Minahasa, Sulawesi, Indonesia
M6.0 1979-03-08	1979-03-08 14:49	28 km	222 km NNE of Palu, Indonesia
M6.1 1975-05-27	1975-05-27 10:18	70 km	55 km WNW of Gorontalo, Indonesia
M6.7 1970-03-27	1970-03-27 18:36	33 km	146 km NNW of Palu, Indonesia
M6.2 1969-02-04	1969-02-04 01:38	15 km	125 km NE of Poso, Indonesia
M7.2 1968-08-14	1968-08-14 22:14	17 km	112 km N of Palu, Indonesia
M6.1 1966-04-23	1966-04-23 08:56	26 km	82 km WNW of Luwuk, Indonesia
M6.7 1966-04-23	1966-04-23 00:09	22 km	53 km W of Luwuk, 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.