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M6.6 earthquake, east of the Kuril Islands, 1971-12-02

MagnitudeM6.6mw

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Depth16 km

Time (UTC)1971-12-02 17:18

Rank in 197140 / 143among M6+

Rank since 19003964 / 14,458

Energy vs an M6×7approx.

east of the Kuril Islands · 44.88, 153.32

M6.5+ within 300 km (largest first)

2006 M8.3M8.3

1918 M8.1M8.1

2007 M8.1M8.1

1918 M7.8M7.8

1963 M7.8M7.8

1963 M7.7M7.7

1991 M7.6M7.6

1937 M7.4M7.4

2009 M7.4M7.4

1908 M7.2M7.2

1996 M7.2M7.2

2013 M7.2M7.2

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.2 1971-09-09	1971-09-09 23:01	28 km	241 km ESE of Kuril’sk, Russia
M6.1 1971-08-23	1971-08-23 21:55	39 km	236 km E of Kuril’sk, Russia
M6.2 1971-01-08	1971-01-08 14:45	31 km	Kuril Islands
M6.1 1970-06-10	1970-06-10 16:17	41 km	138 km ESE of Kuril’sk, Russia
M6.0 1970-02-05	1970-02-05 12:46	26 km	east of the Kuril Islands
M6.3 1969-08-01	1969-08-01 23:43	39 km	236 km E of Kuril’sk, Russia
M6.3 1968-05-21	1968-05-21 08:20	31 km	184 km ESE of Kuril’sk, Russia
M7.0 1968-05-20	1968-05-20 21:09	33 km	194 km ESE of Kuril’sk, Russia
M6.0 1967-08-30	1967-08-30 13:33	40 km	272 km E of Kuril’sk, Russia
M6.2 1967-04-01	1967-04-01 12:23	34 km	299 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.