- Type:
- Earthquake
- Date:
- February 28, 1969 CE
- Location:
- 188 km SW of Sagres, Portugal
- Magnitude:
- 7.8 Mw
- Depth:
- 14.5 km
- Intensity (MMI):
- 5.414
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: Mw 7.8
- NOAA_SIGEQ: Mw 7.8
- EMEC_2021: Mw 8
- EMEC_2021: Mw 5.6
- EMEC_2021: Mw 3.9
- EMEC_2021: Mw 4.4
Other earthquake records of 1969 CE
- China, Guangdong Province: Yangjiang County · Ms 6.4 · 3,000 deaths
- Indonesia, Sulawesi: Parasanga, Paletoang · Mw 7 · 664 deaths
- Peru, Huaytapallana, Lampa, Chilifruta · Mw 6.6 · 130 deaths
- Turkey, Alasehir, Sarigol, Kiraz · M 6.5 · 53 deaths
- Iran, Ne Khurasan Province · Mw 5.5 · 50 deaths
- Ethiopia, Sardo · Mw 6.2 · 40 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 7.8 - 188 km SW of Sagres, Portugal (1969 CE) happen?
- February 28, 1969 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.