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M6.6 earthquake, Papua New Guinea, 1976-07-17

MagnitudeM6.6ms

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Depth53 km

Time (UTC)1976-07-17 21:06

Rank in 197629 / 109among M6+

Rank since 19003462 / 14,458

Energy vs an M6×8approx.

57 km ENE of Kokopo, Papua New Guinea · -4.16, 152.75

M6.5+ within 300 km (largest first)

1919 M8.2M8.2

1971 M8.1M8.1

1971 M8.0M8.0

2000 M8.0M8.0

1916 M8.0M8.0

2016 M7.9M7.9

1920 M7.8M7.8

2000 M7.8M7.8

1995 M7.7M7.7

1946 M7.7M7.7

1983 M7.6M7.6

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.2 1976-06-03	1976-06-03 16:44	88 km	161 km SE of Kokopo, Papua New Guinea
M6.4 1976-04-06	1976-04-06 13:49	21 km	37 km NNW of Rabaul, Papua New Guinea
M6.3 1975-04-09	1975-04-09 06:26	133 km	57 km NE of Kokopo, Papua New Guinea
M6.1 1974-11-27	1974-11-27 18:45	49 km	148 km W of Panguna, Papua New Guinea
M6.1 1974-11-19	1974-11-19 04:58	18 km	New Ireland region, Papua New Guinea
M6.1 1974-06-27	1974-06-27 07:46	70 km	49 km SSE of Kokopo, Papua New Guinea
M6.2 1972-09-03	1972-09-03 06:31	22 km	119 km E of Kimbe, Papua New Guinea
M6.1 1972-08-18	1972-08-18 00:23	20 km	199 km SSE of Kokopo, Papua New Guinea
M7.5 1972-08-17	1972-08-17 23:44	14 km	199 km SSE of Kokopo, Papua New Guinea
M6.6 1972-05-05	1972-05-05 23:16	27 km	39 km ENE of Kokopo, 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.