What the records say
- When
- 16 Dec 1811
- Kind
- Tsunami
- Coordinates
- 35.60° N, 90.40° W
- Source quake magnitude
- 8.5
- Runups
- 4
Placed at the area, not an exact site.
1811–1812 New Madrid earthquakes
Series of earthquakes during 1811–1812 impacting on Missouri, USA
The 1811–1812 New Madrid earthquakes were a series of intense intraplate earthquakes beginning with an initial earthquake of moment magnitude 7.2–8.2 on December 16, 1811, followed by a moment magnitude 7.4 aftershock on the same day. Two additional earthquakes of similar magnitude followed in January and February 1812.
From Wikipedia, CC BY-SA · Read the article
The source
- NCEI significant earthquakes, tsunamis and volcanic eruptionsNOAA National Centers for Environmental InformationPublic domainSource page
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