- Type:
- Earthquake
- Date:
- November 10, 1938 CE
- Location:
- 1938 Semidi Islands, Alaska Earthquake
- Magnitude:
- 8.23 Mw
- Depth:
- 35 km
- Intensity (MMI):
- 6.814
Cross-catalog records
This event is recorded in 5 separate scientific catalogs, each of which may give a different magnitude (the disagreement between catalogs is itself valuable for research):
- USGS_COMCAT: Mw 8.23
- NOAA_SIGEQ: Mw 8.2
- USGS_COMCAT: Mw 6.56
- USGS_COMCAT: Mw 6.9
- USGS_COMCAT: Mw 5.93
Other earthquake records of 1938 CE
- Turkey, Kirsehir · Mw 6.6 · 224 deaths
- Indonesia, Sulawesi Island · Mw 7.7 · 17 deaths
- Colombia, Eje Cafetero · Ms 7 · 6 deaths
- E. Hokkaido Island, Japan · Ms 6.1 · 1 deaths
- Japan, Near E Coast Honshu · Ms 7.7 · 1 deaths
- Nicaragua, Leon (Telica Volcano Destroyed)
Source: U.S. Geological Survey, Advanced National Seismic System (ANSS) Comprehensive Catalog (ComCat) · License: U.S. Public Domain (USGS) · institutional record ↗
Frequently asked questions
- When did M 8.2 - 1938 Semidi Islands, Alaska Earthquake (1938 CE) happen?
- November 10, 1938 CE.
- Where does this information come from?
- This record comes from U.S. Geological Survey, Advanced National Seismic System (ANSS) Comprehensive Catalog (ComCat); it was not hand-authored and is stored together with its source.