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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. The New Madrid fault ...
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 ...
Locations of quakes magnitude 2.5 or greater in the Wabash Valley (upper right) and New Madrid (lower left) Seismic Zones. The Wabash Valley seismic zone (also known as the Wabash Valley fault system or fault zone) is a tectonic region located in the Midwestern United States, centered on the valley of the lower Wabash River, along the state line between southeastern Illinois and southwestern ...
The Puente Hills thrust fault is the same overall fault network that produced the Whittier Narrows – which measured a 5.9 magnitude, killed eight people and caused some $358 million in damage in ...
A fault off the Pacific coast could devastate Washington, Oregon and Northern California with a major earthquake and tsunami. Researchers mapped it comprehensively for the first time.
For example, a fault outside of Kalamazoo was revealed after a 4.2-magnitude earthquake in 2015 — the state's largest since a 4.6-magnitude quake along the same fault in Coldwater in 1947.
Distribution of seismicity associated with the New Madrid seismic zone (since 1974). This zone of intense earthquake activity is located deep within the interior of the North American plate. An intraplate earthquake occurs in the interior of a tectonic plate, in contrast to an interplate earthquake on the boundary of a tectonic plate.
Browning received notoriety for his erroneous prediction that a major earthquake would occur on the New Madrid Fault around December 2 and 3, 1990. This prediction had no scientific legitimacy, [ 1 ] : p. 3 and was largely ignored by credentialed seismologists, who thought it would give the prediction undeserved attention if they were to debunk ...