- Type:
- Earthquake
- Date:
- November 21, 1990 CE
- Location:
- 206 km ESE of Atka, Alaska
- Magnitude:
- 6 Mw
- Depth:
- 33 km
Cross-catalog records
This event is recorded in 2 separate scientific catalogs, each of which may give a different magnitude (the disagreement between catalogs is itself valuable for research):
- USGS_COMCAT: Mw 6
- USGS_COMCAT: mb 5
Other earthquake records of 1990 CE
- Iran, Rasht, Qazvin, Zanjan, Rudbar, Manjil · Mw 7.3 · 40,000 deaths
- Philippines, Baguio, Cabanatuan, Dagupan · Ms 7.8 · 2,412 deaths
- Peru, Moyabamba-Riojo · Ms 6.5 · 200 deaths
- China, Qinghai Province: Ganghe-Xinghai · Ms 6.9 · 126 deaths
- Afghanistan, Hindu Kush: Pik Lenina · Mb 5.6 · 43 deaths
- South Sudan, Juba, Maya, Uganda: Nakura · Ms 7.1 · 31 deaths
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 6.0 - 206 km ESE of Atka, Alaska (1990 CE) happen?
- November 21, 1990 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.