- Type:
- Earthquake
- Date:
- April 1, 1946 CE
- Location:
- Alaska, Unimak Island
- Magnitude:
- 8.6 Mw
- Depth:
- 15 km
- Deaths:
- 168
- Intensity (MMI):
- 6
- Damage:
- ~$26.271M (value at the time)
Cross-catalog records
This event is recorded in 6 separate scientific catalogs, each of which may give a different magnitude (the disagreement between catalogs is itself valuable for research):
- NOAA_SIGEQ: Mw 8.6
- USGS_COMCAT: Mw 8.6
- USGS_COMCAT: Mw 6.58
- USGS_COMCAT: Mw 6.23
- USGS_COMCAT: Mw 6.2
- USGS_COMCAT: Mw 6.04
Other earthquake records of 1946 CE
- Dominican Republic, Northeastern Coast · Mw 7.9 · 1,790 deaths
- Japan, Honshu: S Coast · Mw 8.3 · 1,362 deaths
- Turkey, Ustukran · Mw 5.9 · 840 deaths
- Peru, Jocaibamba, Cerro Angaschaj, Cerro Sillapata · M 7.3 · 800 deaths
- Turkmenistan · M 7.5 · 400 deaths
- Algeria, Hodna Mountains · Ms 5.6 · 264 deaths
Source: NOAA National Centers for Environmental Information (NCEI), Global Significant Earthquake Database, doi:10.7289/V5TD9V7K · License: U.S. Government Work · institutional record ↗
Frequently asked questions
- When did 1946 CE Earthquake — Alaska, Unimak Island happen?
- April 1, 1946 CE.
- Where does this information come from?
- This record comes from NOAA National Centers for Environmental Information (NCEI), Global Significant Earthquake Database, doi:10.7289/V5TD9V7K; it was not hand-authored and is stored together with its source.
- How many people died?
- Recorded estimate: 168. Historical death tolls vary by source.