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M6.5 earthquake, Vanuatu, 1939-08-18

MagnitudeM6.5mw

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Depth55 km

Time (UTC)1939-08-18 22:16

Rank in 193927 / 80among M6+

Rank since 19004199 / 14,458

Energy vs an M6×6approx.

104 km SSE of Port-Vila, Vanuatu · -18.64, 168.60

M6.5+ within 300 km (largest first)

1920 M8.1M8.1

1950 M7.9M7.9

1910 M7.8M7.8

1913 M7.6M7.6

1999 M7.5M7.5

1992 M7.4M7.4

1961 M7.3M7.3

2008 M7.3M7.3

2010 M7.3M7.3

2024 M7.3M7.3

1944 M7.2M7.2

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M7.1 1939-04-05	1939-04-05 16:42	30 km	48 km SSW of Isangel, Vanuatu
M6.1 1939-04-04	1939-04-04 10:11	35 km	53 km NNW of Port-Vila, Vanuatu
M6.1 1938-06-30	1938-06-30 16:44	35 km	36 km SW of Isangel, Vanuatu
M6.6 1938-06-23	1938-06-23 12:55	45 km	113 km S of Isangel, Vanuatu
M7.0 1938-05-30	1938-05-30 14:29	35 km	72 km SW of Isangel, Vanuatu
M6.2 1938-05-22	1938-05-22 08:22	35 km	62 km WSW of Isangel, Vanuatu
M6.1 1937-06-14	1937-06-14 13:10	15 km	155 km SSE of Isangel, Vanuatu
M6.5 1936-01-14	1936-01-14 17:41	25 km	79 km SSW of Port-Vila, Vanuatu
M6.5 1935-01-17	1935-01-17 02:08	35 km	53 km SW of Isangel, Vanuatu
M6.3 1934-03-04	1934-03-04 05:55	35 km	81 km SSE of Lakatoro, Vanuatu

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.