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M6.5 earthquake, Russia, 1921-05-21

MagnitudeM6.5mw

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Depth35 km

Time (UTC)1921-05-21 22:26

Rank in 192125 / 61among M6+

Rank since 19004066 / 14,458

Energy vs an M6×6approx.

211 km S of Severo-Kuril’sk, Russia · 48.81, 155.59

M6.5+ within 300 km (largest first)

2007 M8.1M8.1

1915 M7.8M7.8

1963 M7.7M7.7

2020 M7.5M7.5

2009 M7.4M7.4

1916 M7.4M7.4

1925 M7.2M7.2

1973 M7.2M7.2

1927 M7.0M7.0

1913 M7.0M7.0

1951 M7.0M7.0

1964 M7.0M7.0

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.4 1921-02-06	1921-02-06 04:27	35 km	39 km WNW of Severo-Kuril’sk, Russia
M6.0 1921-01-19	1921-01-19 14:57	35 km	Kuril Islands
M6.3 1920-09-23	1920-09-23 05:32	35 km	179 km SSW of Severo-Kuril’sk, Russia
M6.2 1919-02-22	1919-02-22 04:16	35 km	Kuril Islands
M6.1 1918-11-14	1918-11-14 16:07	15 km	east of the Kuril Islands
M7.4 1916-10-31	1916-10-31 15:31	15 km	156 km SE of Severo-Kuril’sk, Russia
M6.1 1915-05-14	1915-05-14 14:23	15 km	east of the Kuril Islands
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

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.