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M6.6 earthquake, Indonesia, 1987-06-27

MagnitudeM6.6mw

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Depth21 km

Time (UTC)1987-06-27 00:17

Rank in 198741 / 166among M6+

Rank since 19003506 / 14,458

Energy vs an M6×8approx.

256 km ESE of Biak, Indonesia · -2.16, 138.17

M6.5+ within 300 km (largest first)

1914 M8.2M8.2

1996 M8.1M8.1

1979 M7.9M7.9

1906 M7.8M7.8

1971 M7.7M7.7

1916 M7.7M7.7

1926 M7.6M7.6

1968 M7.5M7.5

1947 M7.3M7.3

1950 M7.2M7.2

1957 M7.1M7.1

1916 M7.0M7.0

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.8 1986-04-20	1986-04-20 07:03	33 km	148 km W of Abepura, Indonesia
M6.7 1986-03-24	1986-03-24 19:31	29 km	215 km W of Abepura, Indonesia
M6.7 1981-01-19	1981-01-19 15:11	33 km	268 km SW of Abepura, Indonesia
M6.0 1979-10-17	1979-10-17 23:29	33 km	57 km E of Biak, Indonesia
M7.9 1979-09-12	1979-09-12 05:17	5 km	55 km S of Biak, Indonesia
M6.0 1975-03-17	1975-03-17 22:11	33 km	267 km W of Abepura, Indonesia
M6.0 1972-12-04	1972-12-04 17:51	15 km	75 km ESE of Biak, Indonesia
M6.0 1972-01-07	1972-01-07 06:25	25 km	188 km WNW of Abepura, Indonesia
M6.1 1971-01-10	1971-01-10 16:38	48 km	118 km SSW of Abepura, Indonesia
M6.0 1971-01-10	1971-01-10 14:29	40 km	122 km SW of Abepura, 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.