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M7.1 earthquake, Vanuatu, 1985-12-21

MagnitudeM7.1mw

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Depth43 km

Time (UTC)1985-12-21 01:13

Rank in 198510 / 160among M6+

Rank since 19001164 / 14,458

Energy vs an M6×45approx.

112 km W of Sola, Vanuatu · -13.97, 166.52

M6.5+ within 300 km (largest first)

1980 M7.9M7.9

1957 M7.8M7.8

1966 M7.8M7.8

2009 M7.8M7.8

1934 M7.7M7.7

1965 M7.7M7.7

1997 M7.7M7.7

2009 M7.7M7.7

1965 M7.6M7.6

1973 M7.5M7.5

1980 M7.5M7.5

1910 M7.4M7.4

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.6 1985-12-16	1985-12-16 08:04	37 km	139 km NW of Port-Olry, Vanuatu
M7.0 1985-11-28	1985-11-28 03:49	33 km	148 km W of Sola, Vanuatu
M7.0 1985-11-28	1985-11-28 02:25	33 km	142 km NW of Port-Olry, Vanuatu
M6.1 1984-09-11	1984-09-11 07:16	126 km	56 km E of Luganville, Vanuatu
M6.2 1983-04-04	1983-04-04 23:58	123 km	23 km E of Port-Olry, Vanuatu
M6.6 1982-12-03	1982-12-03 22:29	257 km	71 km NNW of Sola, Vanuatu
M6.1 1982-11-16	1982-11-16 17:25	27 km	96 km SSE of Sola, Vanuatu
M6.0 1982-10-05	1982-10-05 09:14	18 km	83 km NE of Norsup, Vanuatu
M7.0 1982-08-05	1982-08-05 20:32	31 km	207 km S of Lata, Solomon Islands
M6.9 1981-04-24	1981-04-24 21:50	33 km	132 km WNW of Sola, 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.