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M6.6 earthquake, Russia, 1945-10-09

MagnitudeM6.6mw

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Depth60 km

Time (UTC)1945-10-09 14:36

Rank in 194517 / 88among M6+

Rank since 19003377 / 14,458

Energy vs an M6×8approx.

47 km E of Shikotan, Russia · 43.78, 147.32

M6.5+ within 300 km (largest first)

1963 M8.5M8.5

1958 M8.3M8.3

1994 M8.3M8.3

1969 M8.2M8.2

1995 M7.9M7.9

1963 M7.8M7.8

1973 M7.7M7.7

1993 M7.6M7.6

1978 M7.6M7.6

1978 M7.5M7.5

1935 M7.5M7.5

1937 M7.4M7.4

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.2 1945-09-19	1945-09-19 12:28	53 km	29 km S of Kushiro, Japan
M6.2 1943-12-03	1943-12-03 06:52	64 km	64 km S of Kushiro, Japan
M6.1 1943-11-09	1943-11-09 11:46	60 km	76 km E of Shikotan, Russia
M6.2 1943-04-29	1943-04-29 15:24	70 km	70 km ENE of Shikotan, Russia
M6.5 1942-11-26	1942-11-26 14:27	65 km	162 km ENE of Kuril’sk, Russia
M6.0 1942-06-19	1942-06-19 19:37	25 km	114 km SSE of Nemuro, Japan
M6.0 1940-04-14	1940-04-14 14:56	35 km	148 km ESE of Kuril’sk, Russia
M6.5 1939-12-16	1939-12-16 10:46	60 km	72 km E of Shikotan, Russia
M6.0 1939-07-12	1939-07-12 20:08	35 km	59 km E of Shikotan, Russia
M6.3 1938-12-19	1938-12-19 18:23	35 km	82 km E of Shikotan, 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.