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M7.2 earthquake, Solomon Islands, 1977-07-29

MagnitudeM7.2ms

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Depth33 km

Time (UTC)1977-07-29 11:15

Rank in 19778 / 85among M6+

Rank since 1900916 / 14,458

Energy vs an M6×63approx.

143 km W of Gizo, Solomon Islands · -8.03, 155.54

M6.5+ within 300 km (largest first)

2007 M8.1M8.1

1975 M7.9M7.9

2017 M7.9M7.9

1939 M7.8M7.8

1995 M7.7M7.7

1975 M7.7M7.7

2014 M7.5M7.5

1936 M7.3M7.3

1949 M7.2M7.2

1974 M7.2M7.2

1995 M7.2M7.2

1996 M7.2M7.2

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
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
M6.1 1975-07-22	1975-07-22 19:20	36 km	101 km SSE of Panguna, Papua New Guinea
M6.1 1975-07-21	1975-07-21 02:39	95 km	67 km SSW of Panguna, Papua New Guinea
M6.8 1975-07-21	1975-07-21 02:03	47 km	50 km SSW of Panguna, Papua New Guinea
M6.7 1975-07-20	1975-07-20 23:05	50 km	96 km WSW of Panguna, Papua New Guinea
M7.7 1975-07-20	1975-07-20 19:54	44 km	94 km SSW of Panguna, Papua New Guinea
M7.9 1975-07-20	1975-07-20 14:37	49 km	56 km WSW of Panguna, 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.