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M7.6 earthquake, Russia, 1991-12-22

MagnitudeM7.6mw

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Depth25 km

Time (UTC)1991-12-22 08:43

Rank in 19912 / 137among M6+

Rank since 1900366 / 14,458

Energy vs an M6×251approx.

248 km E of Kuril’sk, Russia · 45.53, 151.02

M6.5+ within 300 km (largest first)

1963 M8.5M8.5

1958 M8.3M8.3

2006 M8.3M8.3

1918 M8.1M8.1

2007 M8.1M8.1

1995 M7.9M7.9

1918 M7.8M7.8

1963 M7.8M7.8

1978 M7.6M7.6

1991 M7.6M7.6

1978 M7.5M7.5

1937 M7.4M7.4

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.8 1991-12-19	1991-12-19 01:33	27 km	258 km E of Kuril’sk, Russia
M6.3 1991-12-13	1991-12-13 19:58	20 km	279 km E of Kuril’sk, Russia
M6.4 1991-12-13	1991-12-13 19:55	48 km	266 km E of Kuril’sk, Russia
M6.5 1991-12-13	1991-12-13 18:59	19 km	Kuril Islands
M6.0 1991-12-13	1991-12-13 05:45	26 km	288 km E of Kuril’sk, Russia
M6.6 1991-12-13	1991-12-13 02:33	30 km	290 km E of Kuril’sk, Russia
M6.0 1991-12-07	1991-12-07 11:59	50 km	276 km E of Kuril’sk, Russia
M6.0 1991-11-01	1991-11-01 16:52	43 km	Kuril Islands
M6.0 1991-10-08	1991-10-08 03:31	146 km	100 km ENE of Kuril’sk, Russia
M6.0 1989-12-21	1989-12-21 16:49	43 km	175 km E of Kuril’sk, Russia

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.