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M8.1 earthquake, 1920 Vanuatu Earthquake, 1920-09-20

MagnitudeM8.1mw

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Depth25 km

Time (UTC)1920-09-20 14:39

Rank in 19202 / 69among M6+

Rank since 190075 / 14,458

Energy vs an M6×1,365approx.

1920 Vanuatu Earthquake · -19.98, 168.48

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

2018 M7.5M7.5

1992 M7.4M7.4

1961 M7.3M7.3

2003 M7.3M7.3

2008 M7.3M7.3

2010 M7.3M7.3

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.3 1918-02-19	1918-02-19 16:19	35 km	43 km SW of Port-Vila, Vanuatu
M6.2 1917-02-12	1917-02-12 09:03	32 km	29 km WNW of Port-Vila, Vanuatu
M7.6 1913-10-14	1913-10-14 08:08	125 km	63 km NW of Isangel, Vanuatu
M6.9 1912-03-25	1912-03-25 04:49	255 km	86 km NE of Isangel, Vanuatu
M7.8 1910-06-16	1910-06-16 06:30	100 km	28 km ESE of Isangel, Vanuatu
M6.7 1910-06-01	1910-06-01 06:48	35 km	126 km SSE of Isangel, Vanuatu
M6.8 1910-06-01	1910-06-01 05:55	35 km	93 km S of Isangel, Vanuatu
M6.8 1910-05-01	1910-05-01 18:30	15 km	72 km WSW of Isangel, Vanuatu
M7.1 1910-03-30	1910-03-30 16:55	100 km	175 km SE of Isangel, Vanuatu
M6.9 1910-02-04	1910-02-04 14:00	15 km	43 km N of Port-Vila, 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.