- Type:
- Earthquake
- Date:
- April 13, 1949 CE
- Location:
- 4 km WNW of Roy, Washington
- Magnitude:
- 6.7 Mw
- Depth:
- 50 km
- Intensity (MMI):
- 6.775
Cross-catalog records
This event is recorded in 2 separate scientific catalogs, each of which may give a different magnitude (the disagreement between catalogs is itself valuable for research):
- USGS_COMCAT: Mw 6.7
- NOAA_SIGEQ: Ms 7
Other earthquake records of 1949 CE
- Ecuador, Tungurahua · Mw 6.5 · 6,000 deaths
- Tajikistan · Ms 7.4 · 3,500 deaths
- Turkey, Karliova · Mw 6.8 · 320 deaths
- Chile, Angol, Traiguen · Ms 7.3 · 57 deaths
- China, Xinjiang Province · Ms 7.3 · 21 deaths
- Philippines, Luzon: E · Ms 7.2 · 16 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 - 4 km WNW of Roy, Washington (1949 CE) happen?
- April 13, 1949 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.