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M6.6 earthquake, Papua New Guinea, 1975-12-25

MagnitudeM6.6mb

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Depth115 km

Time (UTC)1975-12-25 23:22

Rank in 197525 / 106among M6+

Rank since 19003458 / 14,458

Energy vs an M6×8approx.

87 km W of Ambunti, Papua New Guinea · -4.08, 142.04

M6.5+ within 300 km (largest first)

1935 M7.8M7.8

1971 M7.7M7.7

2002 M7.6M7.6

1918 M7.6M7.6

2018 M7.5M7.5

1917 M7.5M7.5

1907 M7.3M7.3

1986 M7.2M7.2

1906 M7.1M7.1

1976 M7.1M7.1

1931 M7.1M7.1

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.0 1973-08-13	1973-08-13 08:28	112 km	near the north coast of New Guinea, Papua New Guinea
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
M6.6 1971-01-10	1971-01-10 10:45	30 km	119 km WSW of Abepura, Indonesia
M7.7 1971-01-10	1971-01-10 07:17	27 km	120 km SW of Abepura, Indonesia
M7.0 1968-10-23	1968-10-23 21:04	13 km	42 km WNW of Wewak, Papua New Guinea
M6.5 1968-09-27	1968-09-27 19:06	11 km	23 km WSW of Wewak, Papua New Guinea
M6.3 1968-09-08	1968-09-08 15:12	35 km	60 km WSW of Wewak, Papua New Guinea
M6.3 1966-12-14	1966-12-14 21:07	65 km	72 km NNE of Wabag, Papua New Guinea
M6.6 1964-09-12	1964-09-12 12:43	109 km	44 km S of Angoram, Papua New Guinea

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.