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M6.5 earthquake, Solomon Islands, 1983-10-15

MagnitudeM6.5mw

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Depth7 km

Time (UTC)1983-10-15 10:56

Rank in 198350 / 136among M6+

Rank since 19004333 / 14,458

Energy vs an M6×6approx.

58 km W of Gizo, Solomon Islands · -8.10, 156.31

M6.5+ within 300 km (largest first)

2007 M8.1M8.1

1975 M7.9M7.9

2017 M7.9M7.9

1939 M7.8M7.8

1975 M7.7M7.7

2014 M7.5M7.5

1936 M7.3M7.3

1974 M7.2M7.2

1996 M7.2M7.2

1977 M7.2M7.2

1991 M7.2M7.2

1969 M7.1M7.1

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.4 1983-04-24	1983-04-24 09:08	12 km	124 km SE of Gizo, Solomon Islands
M6.0 1983-03-23	1983-03-23 08:26	30 km	102 km WSW of Panguna, Papua New Guinea
M6.4 1983-03-23	1983-03-23 06:09	35 km	99 km WSW of Panguna, Papua New Guinea
M6.0 1980-09-28	1980-09-28 18:25	68 km	74 km W of Panguna, Papua New Guinea
M6.2 1978-09-01	1978-09-01 09:56	33 km	76 km NNW of Gizo, Solomon Islands
M7.2 1977-07-29	1977-07-29 11:15	33 km	143 km W of Gizo, Solomon Islands
M6.5 1976-11-18	1976-11-18 03:24	33 km	79 km S of Gizo, Solomon Islands
M6.0 1976-04-10	1976-04-10 04:24	54 km	73 km W of Panguna, Papua New Guinea
M6.1 1976-03-13	1976-03-13 05:22	50 km	85 km W of Panguna, Papua New Guinea
M6.1 1975-11-25	1975-11-25 08:06	33 km	116 km S 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.