- Type:
- Earthquake
- Date:
- May 26, 1975 CE
- Location:
- Azores-Cape St. Vincent Ridge
- Magnitude:
- 7.9 Ms
- Depth:
- 33 km
- Intensity (MMI):
- 4.367
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: Ms 7.9
- NOAA_SIGEQ: Mw 7.8
- EMEC_2021: Mw 8.1
- EMEC_2021: Mw 4.63
- EMEC_2021: Mw 4.82
- EMEC_2021: Mw 4.73
Other earthquake records of 1975 CE
- Turkey, Lice · Ms 6.7 · 2,311 deaths
- China, Liaoning Province: Yingtao, Anshan · Ms 7.4 · 300 deaths
- India, Kashmir: Kinnaur District · Ms 6.8 · 47 deaths
- Iran, Sarkhun, Qaleh Qazi, Qadhad, Nong-E-Bala · Ms 6.1 · 7 deaths
- Venezuela · Ms 6.1 · 3 deaths
- Iran, Sarpir, Dorahan, Deh Bagh · Mw 5.5 · 2 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 7.9 - Azores-Cape St. Vincent Ridge (1975 CE) happen?
- May 26, 1975 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.