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M7.5 earthquake, Indonesia, 1991-06-20

MagnitudeM7.5mw

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Depth31 km

Time (UTC)1991-06-20 05:18

Rank in 19913 / 137among M6+

Rank since 1900472 / 14,458

Energy vs an M6×178approx.

79 km NNW of Gorontalo, Indonesia · 1.20, 122.79

M6.5+ within 300 km (largest first)

1939 M8.1M8.1

1905 M7.8M7.8

1990 M7.8M7.8

1938 M7.7M7.7

2000 M7.6M7.6

1991 M7.5M7.5

1941 M7.4M7.4

1984 M7.4M7.4

2008 M7.4M7.4

1907 M7.2M7.2

1913 M7.1M7.1

1902 M7.0M7.0

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M7.0 1991-05-19	1991-05-19 00:58	33 km	69 km N of Gorontalo, Indonesia
M6.2 1990-12-13	1990-12-13 12:26	33 km	88 km WSW of Tomohon, Indonesia
M6.0 1990-05-15	1990-05-15 18:31	30 km	105 km W of Tomohon, Indonesia
M6.0 1990-04-26	1990-04-26 15:40	24 km	63 km NNW of Gorontalo, Indonesia
M6.5 1990-04-19	1990-04-19 12:40	24 km	75 km NNE of Gorontalo, Indonesia
M6.0 1990-04-19	1990-04-19 01:05	33 km	Minahasa, Sulawesi, Indonesia
M6.5 1990-04-18	1990-04-18 18:32	19 km	86 km N of Gorontalo, Indonesia
M7.8 1990-04-18	1990-04-18 13:39	26 km	75 km NNW of Gorontalo, Indonesia
M6.7 1989-12-09	1989-12-09 20:38	151 km	53 km SE of Gorontalo, Indonesia
M6.3 1987-11-28	1987-11-28 04:03	34 km	181 km S of Tondano, 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.