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M6.9 earthquake, Russia, 1963-05-22

MagnitudeM6.9mw

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Depth30 km

Time (UTC)1963-05-22 13:56

Rank in 196319 / 129among M6+

Rank since 19001826 / 14,458

Energy vs an M6×22approx.

251 km SSW of Severo-Kuril’sk, Russia · 48.62, 154.66

M6.5+ within 300 km (largest first)

2006 M8.3M8.3

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

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M7.7 1963-03-16	1963-03-16 08:44	15 km	east of the Kuril Islands
M6.2 1961-12-06	1961-12-06 16:39	49 km	165 km SSW of Severo-Kuril’sk, Russia
M6.1 1961-03-11	1961-03-11 01:31	55 km	236 km SSW of Severo-Kuril’sk, Russia
M6.6 1961-01-10	1961-01-10 14:22	58 km	73 km S of Severo-Kuril’sk, Russia
M6.0 1960-09-17	1960-09-17 08:05	60 km	156 km SSW of Severo-Kuril’sk, Russia
M6.2 1958-06-19	1958-06-19 05:18	50 km	97 km S of Severo-Kuril’sk, Russia
M6.1 1958-02-02	1958-02-02 08:12	57 km	Kuril Islands
M6.4 1957-10-25	1957-10-25 10:03	50 km	39 km SE of Severo-Kuril’sk, Russia
M6.5 1957-08-18	1957-08-18 21:42	57 km	69 km S of Severo-Kuril’sk, Russia
M6.3 1956-11-28	1956-11-28 19:27	48 km	168 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.