- Type:
- Earthquake
- Date:
- November 30, 1983 CE
- Location:
- Chagos Archipelago region
- Magnitude:
- 5.4 mb
- Depth:
- 10 km
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):
- USGS_COMCAT: mb 5.4
- NOAA_SIGEQ: Ms 7.6
- USGS_COMCAT: Mw 7.3
- USGS_COMCAT: mb 5.2
- USGS_COMCAT: mb 5.1
- USGS_COMCAT: mb 5.1
Other earthquake records of 1983 CE
- Turkey, Erzurum, Kars, Khorasan, Pasinler, Narman · Ms 6.9 · 1,342 deaths
- Guinea, Gaoual-Koumbia · Ms 6.2 · 443 deaths
- Colombia, Sw, Popayan · Ms 4.9 · 350 deaths
- Japan, Honshu: Akita · Ms 7.7 · 104 deaths
- China, E, Heze-Dongming, Shandong Province · Ms 5.3 · 34 deaths
- Iran, Tehran, Damavond, Amoi · Ms 4.9 · 30 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 5.4 - Chagos Archipelago region (1983 CE) happen?
- November 30, 1983 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.