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M7.8 earthquake, Solomon Islands, 1931-10-10

MagnitudeM7.8mw

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Depth15 km

Time (UTC)1931-10-10 00:19

Rank in 19314 / 124among M6+

Rank since 1900155 / 14,458

Energy vs an M6×575approx.

116 km NW of Kirakira, Solomon Islands · -9.73, 161.15

M6.5+ within 300 km (largest first)

1931 M7.8M7.8

1939 M7.8M7.8

2016 M7.8M7.8

1935 M7.6M7.6

1984 M7.6M7.6

1988 M7.6M7.6

2014 M7.6M7.6

1977 M7.5M7.5

1926 M7.5M7.5

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.0 1931-10-06	1931-10-06 18:13	15 km	Solomon Islands
M7.0 1931-10-03	1931-10-03 22:47	15 km	74 km SW of Kirakira, Solomon Islands
M6.6 1931-10-03	1931-10-03 21:55	15 km	155 km SSW of Kirakira, Solomon Islands
M7.8 1931-10-03	1931-10-03 19:13	15 km	108 km SW of Kirakira, Solomon Islands
M6.2 1931-03-07	1931-03-07 10:00	15 km	Solomon Islands
M6.5 1930-10-31	1930-10-31 10:24	15 km	62 km S of Kirakira, Solomon Islands
M6.0 1929-08-03	1929-08-03 14:56	15 km	93 km SE of Tulagi, Solomon Islands
M6.7 1928-07-09	1928-07-09 21:23	15 km	71 km SE of Honiara, Solomon Islands
M6.0 1926-10-01	1926-10-01 22:13	20 km	126 km WSW of Malango, Solomon Islands
M6.0 1926-09-17	1926-09-17 01:45	15 km	132 km W of Malango, 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.