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M7.8 earthquake, Papua New Guinea, 1939-01-30

MagnitudeM7.8mw

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Depth35 km

Time (UTC)1939-01-30 02:18

Rank in 19394 / 80among M6+

Rank since 1900164 / 14,458

Energy vs an M6×537approx.

85 km S of Panguna, Papua New Guinea · -7.09, 155.39

M6.5+ within 300 km (largest first)

2007 M8.1M8.1

1971 M8.0M8.0

1975 M7.9M7.9

2017 M7.9M7.9

1939 M7.8M7.8

1995 M7.7M7.7

1975 M7.7M7.7

1972 M7.5M7.5

2014 M7.5M7.5

1968 M7.3M7.3

1967 M7.3M7.3

1936 M7.3M7.3

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.8 1938-12-07	1938-12-07 13:23	55 km	110 km WNW of Panguna, Papua New Guinea
M6.2 1938-02-22	1938-02-22 06:04	15 km	30 km SSW of Gizo, Solomon Islands
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
M6.2 1937-02-01	1937-02-01 09:12	35 km	133 km ENE of Kieta, Papua New Guinea
M6.1 1936-10-16	1936-10-16 11:56	35 km	195 km SE of Kokopo, Papua New Guinea
M6.3 1936-08-17	1936-08-17 13:59	15 km	101 km N of Kieta, Papua New Guinea
M7.3 1936-04-19	1936-04-19 05:07	20 km	61 km NW of Gizo, Solomon Islands
M6.3 1936-03-22	1936-03-22 12:16	15 km	62 km SE of Gizo, Solomon Islands
M6.4 1935-03-20	1935-03-20 22:57	20 km	100 km WNW of Gizo, Solomon Islands

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.