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M7.1 earthquake, Papua New Guinea, 1931-08-07

MagnitudeM7.1mw

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Depth35 km

Time (UTC)1931-08-07 02:11

Rank in 193116 / 124among M6+

Rank since 19001283 / 14,458

Energy vs an M6×42approx.

43 km SW of Aitape, Papua New Guinea · -3.37, 142.03

M6.5+ within 300 km (largest first)

1935 M7.8M7.8

1971 M7.7M7.7

2002 M7.6M7.6

1918 M7.6M7.6

1917 M7.5M7.5

1907 M7.3M7.3

1986 M7.2M7.2

1906 M7.1M7.1

1976 M7.1M7.1

1931 M7.1M7.1

1909 M7.1M7.1

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.4 1931-01-15	1931-01-15 22:43	15 km	98 km NNW of Wewak, Papua New Guinea
M6.1 1929-03-31	1929-03-31 05:24	35 km	135 km NNE of Wewak, Papua New Guinea
M6.2 1927-05-13	1927-05-13 23:09	35 km	93 km NNW of Wewak, Papua New Guinea
M6.4 1926-12-25	1926-12-25 06:43	35 km	78 km NW of Porgera, Papua New Guinea
M6.3 1926-10-29	1926-10-29 00:02	35 km	222 km NNE of Vanimo, Papua New Guinea
M6.0 1926-10-28	1926-10-28 01:00	15 km	66 km NNE of Jayapura, Indonesia
M6.1 1926-10-27	1926-10-27 04:58	35 km	130 km W of Abepura, Indonesia
M6.3 1926-10-26	1926-10-26 14:16	35 km	103 km W of Abepura, Indonesia
M6.3 1926-10-26	1926-10-26 08:35	35 km	93 km W of Abepura, Indonesia
M6.1 1926-09-15	1926-09-15 11:55	35 km	66 km S of Vanimo, 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.