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M6.8 earthquake, Alaska, 1965-09-04

MagnitudeM6.8mw

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Depth29 km

Time (UTC)1965-09-04 14:32

Rank in 196524 / 131among M6+

Rank since 19002539 / 14,458

Energy vs an M6×15approx.

17 km N of Ouzinkie, Alaska · 58.08, -152.56

M6.5+ within 300 km (largest first)

1900 M7.9M7.9

2016 M7.1M7.1

1912 M7.1M7.1

1906 M7.0M7.0

1912 M7.0M7.0

1999 M7.0M7.0

2001 M6.9M6.9

2015 M6.8M6.8

1912 M6.8M6.8

1986 M6.8M6.8

1965 M6.8M6.8

1912 M6.8M6.8

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.2 1965-06-23	1965-06-23 11:09	22 km	76 km SSE of Old Harbor, Alaska
M6.2 1964-05-12	1964-05-12 18:16	24 km	97 km SSE of Old Harbor, Alaska
M6.1 1964-04-17	1964-04-17 04:49	10 km	99 km SSE of Old Harbor, Alaska
M6.4 1964-04-16	1964-04-16 19:26	22 km	95 km S of Old Harbor, Alaska
M6.2 1964-04-15	1964-04-15 15:30	29 km	54 km S of Akhiok, Alaska
M6.3 1964-04-12	1964-04-12 01:24	10 km	98 km SE of Old Harbor, Alaska
M6.1 1964-04-05	1964-04-05 01:41	28 km	95 km SSE of Akhiok, Alaska
M6.3 1964-04-05	1964-04-05 01:22	22 km	95 km SSE of Akhiok, Alaska
M6.5 1964-04-04	1964-04-04 17:59	23 km	70 km SSW of Akhiok, Alaska
M6.3 1964-04-04	1964-04-04 17:46	20 km	78 km SSW 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.