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M6.9 earthquake, Alaska, 1966-08-07

MagnitudeM6.9mw

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Depth11 km

Time (UTC)1966-08-07 02:13

Rank in 196612 / 109among M6+

Rank since 19001836 / 14,458

Energy vs an M6×22approx.

275 km SE of Atka, Alaska · 50.52, -171.28

M6.5+ within 300 km (largest first)

1986 M8.0M8.0

1929 M7.8M7.8

2011 M7.3M7.3

1901 M7.1M7.1

1957 M7.1M7.1

1903 M7.0M7.0

2013 M7.0M7.0

1957 M6.9M6.9

1906 M6.9M6.9

1935 M6.9M6.9

2011 M6.9M6.9

2015 M6.9M6.9

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.9 1965-07-29	1965-07-29 08:29	23 km	240 km SE of Atka, Alaska
M6.5 1962-12-22	1962-12-22 15:20	33 km	86 km S of Nikolski, Alaska
M6.5 1962-12-21	1962-12-21 09:10	25 km	85 km SSE of Nikolski, Alaska
M6.4 1962-12-21	1962-12-21 08:42	21 km	79 km SSE of Nikolski, Alaska
M6.3 1961-08-08	1961-08-08 12:18	22 km	240 km SSW of Nikolski, Alaska
M6.1 1961-01-11	1961-01-11 11:59	20 km	Fox Islands, Aleutian Islands, Alaska
M6.8 1960-11-13	1960-11-13 09:20	22 km	187 km S of Nikolski, Alaska
M6.5 1960-10-14	1960-10-14 21:19	36 km	143 km ESE of Atka, Alaska
M6.0 1960-10-01	1960-10-01 16:11	35 km	130 km ESE of Atka, Alaska
M6.3 1959-12-14	1959-12-14 22:00	24 km	94 km SSE of Nikolski, 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.