November 10, 1938 Earthquake: Alaska, United States
A magnitude 8.2 earthquake struck Alaska, United States on November 10, 1938 at 20:18:41 UTC, 25 km below the surface. It caused a tsunami.
Map
Where it struck, with the other significant earthquakes within 200 km. Circles are sized and colored by magnitude; select one for its page.
The earthquake
- Date
- November 10, 1938
- Time
- 20:18:41 UTC
- Place
- Alaska, United States
- Magnitude
- 8.2 (Mw)
- Focal depth
- 25 km (16 mi)
- Intensity
- 6 on the Modified Mercalli scale
- Tsunami
- Yes: the tsunami it caused
- Epicenter
- 55.480° N, 158.370° W
- Country
- United States
The toll
The record gives no deaths, injuries or damage for this earthquake.
What the record says
NCEI’s account, from the sources it cites.
November 10, 1938, 20:18:41.2 UTC, 55.48 N, 158.37 W, magnitude 8.3 MS, intensity VI. A major submarine earthquake, centered in a sparsely populated area, was felt strongly at False Pass, Unimak Island. It was also reported at Port Moller and Anchorage. The earthquake generated a small tsunami, which was recorded at Dutch Habor, Seward, and Sitka, Alaska, and at Hilo, and Honolulu, Hawaii. (Reference #542)
1938, November 10, 10:19 local time. There was an earthquake with source near the Alaskan Peninsula. Slight damage or no damage at all was reported from the regions of the peninsula closest to the source, which however, were very sparsely settled. The greatest known intensity (6 degrees) was recorded at Falls Pass. The earthquake was felt on a large area, including Port Moller, Naknek and Anchorage. A tsunami occurred, and was recorded on at least six tide gauges (Reference #414).
November 10, 1938, 20:19 UTC, 55.5 N, 158 W, depth 25 km, magnitude 8.3 MS. (reference #239)
November 10, 1938, magnitude 8.3 MS, 8.2 Mw. (reference #1314)
November 10, 1038, 20:18:43 UTC, 55.5 N, 158 W, shallow depth, magnitude 8.7 MS. (reference #88)
November 10, 1038, 20:18:43 UTC, 55.5 N, 158 W, shallow depth, magnitude 8.3 MS. (reference #130)
Other significant earthquakes nearby
Within 200 km, the deadliest first.
- July 16, 2023, Alaska Peninsula, United States
- July 29, 2021, Alaska Peninsula, United States
- July 22, 2020, Alaska, United States
- September 4, 1989, Alaska, United States
- October 19, 2020, Alaska, United States
- July 16, 2025, Alaska, United States
- August 6, 1788, Alaska Peninsula, United States
- May 15, 1868, Alaska Peninsula, United States
- September 29, 1880, Alaska Peninsula, United States
More
Significant earthquakes of 1938The 1900sEvery quake the USGS located in 1938Recent earthquakes near hereThis day in weather history
Sources
Significant earthquakes from NOAA’s National Centers for Environmental Information, Global Historical Hazard Database, cited as NCEI/WDS, doi:10.7289/V5PN93H7. Public domain. Read 2026-09-24. NCEI earthquake 3629.