1811–1812 New Madrid earthquakes - Wikipedia
The epicenters of the earthquakes were located in an area that at the time was at the distant western edge of the American frontier, only sparsely settled by European settlers.
New Madrid earthquakes of 1811–12 - Encyclopedia Britannica
New Madrid earthquakes of 1811–12, series of three large earthquakes that occurred near New Madrid, Missouri, between December 1811 and February 1812. There were thousands of aftershocks, of which 1,874 were large enough to be felt …
The Great Midwest Earthquake of 1811 | Smithsonian
At 2:15 a.m. on December 16, 1811, residents of the frontier town of New Madrid, in what is now Missouri, were jolted from their beds by a violent earthquake. The ground heaved and...
Summary of 1811-1812 New Madrid Earthquakes Sequence
The first earthquake of December 16, 1811 caused only slight damage to man-made structures, mainly because of the sparse population in the epicentral area. The extent of the area that experienced damaging earth motion, which produced Modified Mercalli Intensity greater than or equal to VII, is estimated to be 600,000 square kilometers.
New Madrid Earthquakes of 1811-1812
Jul 26, 2024 · On Monday, December 16, 1811, the earth began to shake. Geologists say the epicenter of the huge earthquake was about three miles beneath present-day Blytheville (Mississippi County), though the earthquake was named for New Madrid, Missouri, the only town in the area with a sizeable population.
New Madrid seismic zone - Wikipedia
The New Madrid seismic zone (NMSZ), sometimes called the New Madrid fault line (or fault zone or fault system), is a major seismic zone and a prolific source of intraplate earthquakes (earthquakes within a tectonic plate) in the Southern and Midwestern United States, stretching to the southwest from New Madrid, Missouri.
1811-1812 New Madrid Earthquakes Overview from Otto W.
Oct 3, 2019 · The epicenter of the February 7 shock was closer to the northern limit of the sand blows, near the town of New Madrid, Missouri. There is not sufficient information about the second main shock on January 23 to know its epicenter.
New Madrid Seismic Zone - Encyclopedia Britannica
On December 16, 1811, and January 23 and February 7, 1812, a series of three earthquakes—the largest in recorded American history east of the Rocky Mountains—occurred near the frontier town of New Madrid, Missouri. (epicentre 36.6° N 89.6° W), each measuring greater than magnitude 7.0.
Steamboat Adventure: New Madrid Earthquake - Hanover College
On December 16, 1811, a major earthquake occurred with its epicenter in the town of New Madrid (now in the state of Missouri). The Roosevelts and the crew of the New Orleans were about 200 miles from the epicenter on December 16, and they felt the shock distinctly.
1811-1812 New Madrid, Missouri Earthquakes | U.S. Geological …
Oct 2, 2019 · This map shows earthquakes (circles) of the New Madrid and Wabash Valley seismic zones (orange patches). Red circles indicate earthquakes that occurred from 1974 to 2002 with magnitudes larger than 2.5 located using modern instruments (University of Memphis).