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M6.6 earthquake, Papua New Guinea, 1940-09-12

MagnitudeM6.6mw

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Depth76 km

Time (UTC)1940-09-12 13:17

Rank in 194022 / 105among M6+

Rank since 19003867 / 14,458

Energy vs an M6×7approx.

75 km E of Kokopo, Papua New Guinea · -4.45, 152.94

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
M6.0 1939-08-25	1939-08-25 03:48	35 km	109 km ESE of Kokopo, Papua New Guinea
M6.8 1938-12-07	1938-12-07 13:23	55 km	110 km WNW of Panguna, Papua New Guinea
M6.5 1938-11-14	1938-11-14 12:06	35 km	143 km ESE of Kimbe, Papua New Guinea
M6.0 1938-10-04	1938-10-04 08:25	35 km	New Britain region, Papua New Guinea
M6.3 1938-09-27	1938-09-27 10:15	35 km	145 km ESE of Kimbe, Papua New Guinea
M6.5 1938-03-08	1938-03-08 05:35	50 km	126 km ESE of Kokopo, Papua New Guinea
M6.5 1938-01-07	1938-01-07 15:26	15 km	56 km NNE of Rabaul, Papua New Guinea
M6.2 1937-10-06	1937-10-06 17:04	15 km	188 km W of Panguna, Papua New Guinea
M6.9 1937-09-23	1937-09-23 13:06	35 km	160 km WSW of Panguna, Papua New Guinea
M6.8 1937-01-23	1937-01-23 10:55	35 km	148 km ESE 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.