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M6.5 earthquake, Alaska, 1941-09-28

MagnitudeM6.5mb

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Depth100 km

Time (UTC)1941-09-28 05:34

Rank in 194131 / 102among M6+

Rank since 19004201 / 14,458

Energy vs an M6×6approx.

60 km ENE of Chignik, Alaska · 56.50, -157.50

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

2025 M7.3M7.3

1912 M7.1M7.1

1923 M7.0M7.0

1989 M7.0M7.0

1912 M7.0M7.0

1999 M7.0M7.0

1993 M6.9M6.9

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.2 1941-04-01	1941-04-01 10:41	15 km	117 km SSE of Akhiok, Alaska
M6.1 1940-03-16	1940-03-16 20:40	15 km	118 km ESE of Chignik, Alaska
M6.0 1940-02-12	1940-02-12 09:17	45 km	58 km SW of Sand Point, Alaska
M6.2 1939-05-09	1939-05-09 07:28	25 km	108 km SSW of Akhiok, Alaska
M6.2 1938-12-09	1938-12-09 03:55	25 km	19 km SW of Old Harbor, Alaska
M6.9 1938-11-17	1938-11-17 03:54	35 km	105 km ESE of Perryville, Alaska
M6.1 1938-11-11	1938-11-11 08:53	15 km	149 km S of Akhiok, Alaska
M6.6 1938-11-11	1938-11-11 00:57	35 km	104 km SSE of Perryville, Alaska
M8.2 1938-11-10	1938-11-10 20:18	35 km	1938 Semidi Islands, Alaska Earthquake
M6.6 1934-07-28	1934-07-28 21:37	20 km	128 km SE of Chignik, 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.