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M6.8 earthquake, Vanuatu, 1973-12-09

MagnitudeM6.8ms

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Depth39 km

Time (UTC)1973-12-09 19:55

Rank in 197314 / 93among M6+

Rank since 19002291 / 14,458

Energy vs an M6×16approx.

64 km SE of Isangel, Vanuatu · -19.91, 169.75

M6.5+ within 300 km (largest first)

1920 M8.1M8.1

1901 M7.9M7.9

1950 M7.9M7.9

1910 M7.8M7.8

1913 M7.6M7.6

1928 M7.6M7.6

2018 M7.5M7.5

1998 M7.5M7.5

1992 M7.4M7.4

1961 M7.3M7.3

2003 M7.3M7.3

2008 M7.3M7.3

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.0 1973-03-17	1973-03-17 04:57	194 km	20 km NNE of Isangel, Vanuatu
M6.0 1973-02-24	1973-02-24 07:38	59 km	68 km NW of Isangel, Vanuatu
M6.0 1972-12-28	1972-12-28 02:40	26 km	214 km E of Tadine, New Caledonia
M6.2 1972-11-04	1972-11-04 03:49	45 km	65 km S of Isangel, Vanuatu
M7.0 1972-11-02	1972-11-02 19:55	18 km	68 km SSW of Isangel, Vanuatu
M6.3 1972-10-27	1972-10-27 09:23	30 km	60 km SSW of Isangel, Vanuatu
M6.4 1972-09-13	1972-09-13 14:33	37 km	91 km S of Isangel, Vanuatu
M6.2 1972-09-10	1972-09-10 06:03	36 km	91 km SW of Isangel, Vanuatu
M6.3 1972-09-05	1972-09-05 17:30	50 km	46 km SSW of Isangel, Vanuatu
M6.3 1972-01-28	1972-01-28 01:16	128 km	14 km NNW of Isangel, 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.