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M8.5 earthquake, 1963 Kuril Islands Earthquake, 1963-10-13

MagnitudeM8.5mw

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Depth35 km

Time (UTC)1963-10-13 05:17

Rank in 19631 / 129among M6+

Rank since 190017 / 14,458

Energy vs an M6×5,623approx.

1963 Kuril Islands Earthquake · 44.87, 149.48

M6.5+ within 300 km (largest first)

1963 M8.5M8.5

1958 M8.3M8.3

1994 M8.3M8.3

1969 M8.2M8.2

1918 M8.1M8.1

1995 M7.9M7.9

1918 M7.8M7.8

1963 M7.8M7.8

1978 M7.6M7.6

1991 M7.6M7.6

1978 M7.5M7.5

1935 M7.5M7.5

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M7.0 1963-10-12	1963-10-12 11:27	38 km	124 km ESE of Kuril’sk, Russia
M6.1 1963-03-30	1963-03-30 16:52	59 km	112 km ENE of Shikotan, Russia
M6.5 1962-05-07	1962-05-07 17:39	25 km	76 km W of Kuril’sk, Russia
M6.0 1961-04-26	1961-04-26 07:39	38 km	197 km ESE of Kuril’sk, Russia
M6.7 1961-04-23	1961-04-23 09:01	32 km	189 km E of Kuril’sk, Russia
M6.1 1961-02-15	1961-02-15 10:45	34 km	73 km E of Shikotan, Russia
M6.3 1961-02-12	1961-02-12 23:26	34 km	Kuril Islands
M6.9 1961-02-12	1961-02-12 21:53	38 km	78 km E of Shikotan, Russia
M6.2 1960-09-03	1960-09-03 23:46	43 km	132 km ESE of Kuril’sk, Russia
M6.7 1959-10-27	1959-10-27 06:52	62 km	264 km ENE of 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.