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M6.8 earthquake, Vanuatu, 1997-05-21

MagnitudeM6.8mwc

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Depth57 km

Time (UTC)1997-05-21 14:10

Rank in 199722 / 136among M6+

Rank since 19002395 / 14,458

Energy vs an M6×16approx.

99 km S of Isangel, Vanuatu · -20.44, 169.29

M6.5+ within 300 km (largest first)

1920 M8.1M8.1

1901 M7.9M7.9

1950 M7.9M7.9

1910 M7.8M7.8

1995 M7.7M7.7

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

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.0 1997-05-15	1997-05-15 18:01	33 km	207 km E of Tadine, New Caledonia
M6.1 1997-04-27	1997-04-27 00:31	42 km	71 km NW of Isangel, Vanuatu
M6.2 1996-05-26	1996-05-26 01:43	108 km	southeast of the Loyalty Islands
M6.3 1995-10-09	1995-10-09 13:43	105 km	233 km SSE of Isangel, Vanuatu
M6.1 1995-08-17	1995-08-17 05:35	73 km	266 km E of Tadine, New Caledonia
M6.0 1995-07-19	1995-07-19 00:24	12 km	235 km E of Vao, New Caledonia
M6.6 1995-06-29	1995-06-29 12:24	139 km	0 km ESE of Isangel, Vanuatu
M6.3 1995-05-22	1995-05-22 03:45	19 km	258 km E of Vao, New Caledonia
M7.7 1995-05-16	1995-05-16 20:12	20 km	249 km E of Vao, New Caledonia
M6.1 1995-04-13	1995-04-13 05:27	16 km	285 km ESE of Tadine, New Caledonia

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.