- Type:
- Earthquake
- Date:
- January 1, 1980 CE
- Location:
- 29 km NE of Ribeira Seca, Portugal
- Magnitude:
- 6.7 Ms
- Depth:
- 10 km
- Intensity (MMI):
- 7.65
Cross-catalog records
This event is recorded in 3 separate scientific catalogs, each of which may give a different magnitude (the disagreement between catalogs is itself valuable for research):
- USGS_COMCAT: Ms 6.7
- NOAA_SIGEQ: Mw 6.9
- EMEC_2021: Mw 6.8
Other earthquake records of 1980 CE
- Algeria, Northern · Mw 7.1 · 5,000 deaths
- Italy, Avellino, Potenza, Caserta, Naples · Ms 6.9 · 4,689 deaths
- Mexico, S, Huajapan De Leon, Oaxaca · Ms 6.4 · 300 deaths
- Nepal-India, Pithoragarh · Ms 6.5 · 200 deaths
- Azores, Terceira, Angra Do Heroismo · Mw 6.9 · 69 deaths
- Washington, Mt St Helens · Ms 5.2 · 61 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 6.7 - 29 km NE of Ribeira Seca, Portugal (1980 CE) happen?
- January 1, 1980 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.