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M6.9 earthquake, Alaska, 1964-02-06

MagnitudeM6.9mw

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Depth26 km

Time (UTC)1964-02-06 13:07

Rank in 196415 / 144among M6+

Rank since 19001831 / 14,458

Energy vs an M6×22approx.

171 km SW of Akhiok, Alaska · 55.72, -155.85

M6.5+ within 300 km (largest first)

1938 M8.2M8.2

2021 M8.2M8.2

2020 M7.8M7.8

2020 M7.6M7.6

1917 M7.4M7.4

1912 M7.1M7.1

1923 M7.0M7.0

1989 M7.0M7.0

1912 M7.0M7.0

1999 M7.0M7.0

1993 M6.9M6.9

1938 M6.9M6.9

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.4 1963-01-01	1963-01-01 23:39	75 km	61 km ENE of Chignik, Alaska
M6.1 1961-01-31	1961-01-31 00:48	29 km	119 km S of Akhiok, Alaska
M6.0 1960-09-01	1960-09-01 15:37	22 km	84 km SSE of Akhiok, Alaska
M6.7 1957-04-10	1957-04-10 11:30	15 km	120 km S of Akhiok, Alaska
M6.1 1955-11-15	1955-11-15 10:06	28 km	210 km SE of Chignik, Alaska
M6.3 1955-07-27	1955-07-27 18:19	25 km	105 km SSE of Akhiok, Alaska
M6.0 1954-06-17	1954-06-17 01:42	25 km	Kodiak Island region, Alaska
M6.5 1953-06-15	1953-06-15 17:47	20 km	73 km S of Akhiok, Alaska
M6.3 1953-02-25	1953-02-25 21:16	48 km	112 km E of Chignik, Alaska
M6.5 1952-11-29	1952-11-29 23:46	20 km	71 km S of Akhiok, Alaska

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.