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M7.4 earthquake, Russia, 1916-10-31

MagnitudeM7.4mw

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Depth15 km

Time (UTC)1916-10-31 15:31

Rank in 19165 / 57among M6+

Rank since 1900649 / 14,458

Energy vs an M6×110approx.

156 km SE of Severo-Kuril’sk, Russia · 49.83, 157.89

M6.5+ within 300 km (largest first)

1915 M7.8M7.8

2020 M7.5M7.5

1993 M7.5M7.5

1936 M7.5M7.5

1911 M7.4M7.4

1916 M7.4M7.4

1907 M7.2M7.2

1973 M7.2M7.2

1913 M7.0M7.0

1993 M7.0M7.0

1963 M6.9M6.9

1999 M6.9M6.9

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.3 1915-05-14	1915-05-14 06:41	15 km	251 km SSW of Severo-Kuril’sk, Russia
M6.6 1915-05-03	1915-05-03 03:14	35 km	240 km SSW of Severo-Kuril’sk, Russia
M6.3 1915-05-02	1915-05-02 03:59	35 km	280 km SSW of Severo-Kuril’sk, Russia
M7.8 1915-05-01	1915-05-01 05:00	30 km	266 km SSW of Severo-Kuril’sk, Russia
M6.0 1915-04-12	1915-04-12 22:15	15 km	250 km SSW of Severo-Kuril’sk, Russia
M6.8 1914-01-20	1914-01-20 12:00	35 km	54 km SSE of Vilyuchinsk, Russia
M6.3 1913-11-23	1913-11-23 21:18	35 km	113 km SE of Vilyuchinsk, Russia
M7.0 1913-08-01	1913-08-01 17:11	15 km	285 km S of Severo-Kuril’sk, Russia
M6.5 1911-09-08	1911-09-08 22:44	80 km	57 km ENE of Severo-Kuril’sk, Russia
M7.4 1911-05-04	1911-05-04 23:36	150 km	95 km NNE of Ozernovskiy, 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.