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M7.7 earthquake, east of the Kuril Islands, 1963-03-16

MagnitudeM7.7mw

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Depth15 km

Time (UTC)1963-03-16 08:44

Rank in 19635 / 129among M6+

Rank since 1900313 / 14,458

Energy vs an M6×299approx.

east of the Kuril Islands · 46.64, 154.78

M6.5+ within 300 km (largest first)

2006 M8.3M8.3

1918 M8.1M8.1

2007 M8.1M8.1

1918 M7.8M7.8

1915 M7.8M7.8

1963 M7.7M7.7

2009 M7.4M7.4

1925 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
M6.2 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
M6.7 1959-10-27	1959-10-27 06:52	62 km	264 km ENE of Kuril’sk, Russia
M6.0 1958-04-23	1958-04-23 02:57	25 km	Kuril Islands
M6.1 1958-02-02	1958-02-02 08:12	57 km	Kuril Islands
M6.3 1956-11-28	1956-11-28 19:27	48 km	168 km SSW of Severo-Kuril’sk, Russia
M6.2 1955-06-12	1955-06-12 20:30	25 km	Kuril Islands
M6.2 1955-02-05	1955-02-05 20:41	15 km	Kuril Islands
M6.3 1955-01-31	1955-01-31 16:02	25 km	Kuril Islands
M6.2 1954-11-18	1954-11-18 05:20	63 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.