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M6.9 earthquake, Alaska, 1938-11-17

MagnitudeM6.9mw

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Depth35 km

Time (UTC)1938-11-17 03:54

Rank in 193827 / 149among M6+

Rank since 19001810 / 14,458

Energy vs an M6×22approx.

105 km ESE of Perryville, Alaska · 55.41, -157.73

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

2023 M7.2M7.2

1948 M7.1M7.1

1991 M7.0M7.0

1923 M7.0M7.0

1989 M7.0M7.0

1999 M7.0M7.0

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
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
M6.7 1937-04-29	1937-04-29 18:52	35 km	68 km SSE of King Cove, Alaska
M6.6 1934-07-28	1934-07-28 21:37	20 km	128 km SE of Chignik, Alaska
M6.3 1932-10-30	1932-10-30 20:47	35 km	68 km SE of Sand Point, Alaska
M6.6 1932-10-16	1932-10-16 12:08	25 km	72 km SE of Sand Point, Alaska
M6.2 1927-08-06	1927-08-06 00:14	35 km	74 km SE of Perryville, Alaska
M6.2 1927-07-28	1927-07-28 16:17	55 km	64 km SSE of Perryville, Alaska
M6.2 1927-03-25	1927-03-25 12:55	35 km	143 km SE of Perryville, 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.