- Type:
- Earthquake
- Date:
- May 2, 1971 CE
- Location:
- Alaska, Andreanof Islands
- Magnitude:
- 7.1 Ms
- Depth:
- 43 km
- Intensity (MMI):
- 6
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: Ms 7.1
- USGS_COMCAT: Mw 6.4
- USGS_COMCAT: Mw 6.91
- USGS_COMCAT: Mw 5.86
- USGS_COMCAT: Mw 5.6
- USGS_COMCAT: Mw 5.53
Other earthquake records of 1971 CE
- Turkey, Bingol · Ms 6.7 · 995 deaths
- Chile, Central · Mw 7.8 · 83 deaths
- California, San Fernando · Ms 6.5 · 65 deaths
- Turkey, Burdur · Ms 5.9 · 56 deaths
- Italy, Tuscania · Mb 4.6 · 24 deaths
- Peru, Apurimac · Mb 5.7 · 5 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 1971 CE Earthquake — Alaska, Andreanof Islands happen?
- May 2, 1971 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.