- Type:
- Earthquake
- Date:
- December 16, 1811 CE
- Location:
- Northeastern Arkansas (New Madrid Seismic Zone)
- Magnitude:
- 7.5 Mw
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 7.5
- NOAA_SIGEQ: Mw 7.5
- NOAA_SIGEQ: Mw 7
- USGS_COMCAT: Mw 6.3
- USGS_COMCAT: Mw 7
- USGS_COMCAT: Mw 6.3
Other earthquake records of 1811 CE
- China, Sichuan Province: E. Of Ganze · Ms 6.5 · 480 deaths
- Taiwan, Danshui: Off West Coast · Ms 7 · 21 deaths
- Chile, Valparaiso
- Arkansas, Northeast (New Madrid Earthquakes) · Mw 7.5
- Philippines, Camarines
- Georgia, Kakhetiya · M 4.2
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 7.5 - Northeastern Arkansas (New Madrid Seismic Zone) (1811 CE) happen?
- December 16, 1811 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.