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M8.1 earthquake, 1918 Kuril Islands Earthquake, 1918-09-07

MagnitudeM8.1mw

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Depth15 km

Time (UTC)1918-09-07 17:16

Rank in 19182 / 94among M6+

Rank since 190053 / 14,458

Energy vs an M6×1,413approx.

1918 Kuril Islands Earthquake · 45.00, 152.32

M6.5+ within 300 km (largest first)

1963 M8.5M8.5

2006 M8.3M8.3

2007 M8.1M8.1

1918 M8.1M8.1

1995 M7.9M7.9

1918 M7.8M7.8

1963 M7.8M7.8

1963 M7.7M7.7

1978 M7.6M7.6

1991 M7.6M7.6

1937 M7.4M7.4

1901 M7.3M7.3

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.2 1918-05-31	1918-05-31 08:46	35 km	154 km SE of Kuril’sk, Russia
M6.4 1915-06-27	1915-06-27 15:25	15 km	150 km ENE of Kuril’sk, Russia
M6.3 1915-06-07	1915-06-07 21:59	35 km	192 km E of Kuril’sk, Russia
M6.5 1913-01-19	1913-01-19 23:47	15 km	Kuril Islands
M7.2 1910-05-22	1910-05-22 06:24	15 km	268 km SE of Kuril’sk, Russia
M7.2 1908-11-06	1908-11-06 07:09	15 km	159 km ENE of Kuril’sk, Russia
M6.5 1908-05-03	1908-05-03 00:48	15 km	252 km E of Kuril’sk, Russia
M6.5 1906-02-23	1906-02-23 15:16	15 km	east of the Kuril Islands
M7.3 1901-04-05	1901-04-05 23:30	35 km	Kuril Islands

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.