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M7.8 earthquake, Solomon Islands, 1931-10-03

MagnitudeM7.8mw

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Depth15 km

Time (UTC)1931-10-03 19:13

Rank in 19315 / 124among M6+

Rank since 1900161 / 14,458

Energy vs an M6×556approx.

108 km SW of Kirakira, Solomon Islands · -11.12, 161.19

M6.5+ within 300 km (largest first)

1931 M7.8M7.8

1939 M7.8M7.8

1931 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
M6.2 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
M7.1 1926-09-16	1926-09-16 17:59	15 km	33 km WNW of Malango, Solomon Islands
M6.2 1926-04-16	1926-04-16 00:29	15 km	77 km NNW of Kirakira, Solomon Islands
M7.3 1926-04-12	1926-04-12 08:32	15 km	34 km WNW of Kirakira, Solomon Islands
M7.5 1926-01-25	1926-01-25 00:36	15 km	62 km SW of Malango, Solomon Islands
M6.4 1925-10-30	1925-10-30 14:41	15 km	93 km ESE of Honiara, 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.