- Type:
- Earthquake
- Date:
- October 18, 1989 CE
- Location:
- The 1989 Loma Prieta, California Earthquake
- Magnitude:
- 6.9 Mw
- Depth:
- 17.214 km
- Intensity (MMI):
- 8.532
Cross-catalog records
This event is recorded in 4 separate scientific catalogs, each of which may give a different magnitude (the disagreement between catalogs is itself valuable for research):
- USGS_COMCAT: Mw 6.9
- NOAA_SIGEQ: Mw 6.9
- USGS_COMCAT: ML 5.4
- USGS_COMCAT: ML 5.1
Other earthquake records of 1989 CE
- Tajikistan, Sharora, Gissar · Mb 5.3 · 274 deaths
- Indonesia, Kurima District, Baliem River · Ms 5.8 · 120 deaths
- Iran, Do Gobadan, Fars, Yasuj · Ms 5.8 · 114 deaths
- California, Loma Prieta · Mw 6.9 · 62 deaths
- Algeria, Algiers, Cherchell, Tipaza · Ms 5.7 · 30 deaths
- China, Shanxi And Hebei Provinces, Datong · Ms 5.3 · 29 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 6.9 - The 1989 Loma Prieta, California Earthquake (1989 CE) happen?
- October 18, 1989 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.