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Earthquakes in the New Madrid and Wabash Valley seismic zones from 1974 to 2002, with magnitudes larger than 2.5. The zone had four of the largest earthquakes in recorded North American history, with moment magnitudes estimated to be as large as 7 or greater, all occurring within a 3-month period between December 1811 and February 1812. Many of ...
Topographic map of the bootheel and surrounding areas of Missouri and neighboring states.. The Missouri Bootheel is a salient (protrusion) located in the southeasternmost part of the U.S. state of Missouri, extending south of 36°30′ north latitude, so called because its shape in relation to the rest of the state resembles the heel of a boot.
Caruthersville lies in Missouri's Bootheel on the Mississippi River. The word "Pemiscot" comes from the word pemiskaw, meaning "liquid mud" in the Fox language.Mississippi waters have frequently flooded the flatlands, creating fertile alluvial land valued for farming.
New Madrid fault and earthquake-prone region considered at high risk today. 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 ...
Time marks show when the earthquake occurred. Time is shown by half-hour (thirty-minute) units. Each rotation of the seismograph drum is thirty minutes. Therefore, on seismograms, each line measures thirty minutes. This is a more efficient way to read a seismogram. Secondly, there are the minute-marks.
Thurston's earthquake theorem states that for any two points x, y of a Teichmüller space there is a unique left earthquake from x to y.It was proved by William Thurston in a course in Princeton in 1976–1977, but at the time he did not publish it, and the first published statement and proof was given by Kerckhoff (1983), who used it to solve the Nielsen realization problem.
Molina lives about 20 minutes from where the earthquake was centered near Paramus, New Jersey. The U.S. Geological Survey gave the quake an initial rating of 2.4 magnitude. It happened just after ...
English: Map of earthquakes 1900-2017. 9.0-: 5 earthquakes 8.0-8.9: 88 earthquakes ... This map was created from OpenStreetMap project data, collected by the community.