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The Ramapo Fault zone is a system of faults between the northern Appalachian Mountains and Piedmont areas to the east. [1] Spanning more than 185 miles (298 km) in New York, New Jersey, and Pennsylvania, it is perhaps the best known fault zone in the Mid-Atlantic region, and some small earthquakes have been known to occur in its vicinity.
The Ramapo Fault System is the longest in the northeastern U.S., stretching from Pennsylvania to southeastern New York. Map of the Ramapo Fault System: Earthquake epicenter at Lebanon, NJ.
Scientists suspect that the earthquake likely originated in the area of the Ramapo fault zone in the Newark basin. The fault system contains a branching network of faults. Some are mapped but ...
In New Jersey, fault lines do not generally break the Earth's surface, but are based several miles below. A map showing the physiographic provinces in New Jersey, and the location of the Ramapo Fault.
The Ramapo fault system is generally considered the most active fault system in the greater New York City area, the infrequency of seismic events of moderate or high-intensity pose problems for researchers who are unable to firmly associate the earthquakes in the region with specific geologic structures without instrumental records for the ...
The Newark Basin is one in a series of these failed rifts. It is a half-graben filled over time by characteristic red bed sediments, sediments eroded from the uplifted footwalls of the border faults that were deposited within the basin; they are red due to their abundance in oxidized iron oxide minerals. The border fault is the Ramapo Fault on ...
And its major fault system, the Ramapo Fault, was created quite differently. North America, Europe and Africa were once part of a single giant tectonic plate, called Pangea.
On April 5, 2024, at 10:23 EDT (14:23 UTC), a M w 4.8 earthquake occurred in the U.S. state of New Jersey, with the epicenter in Tewksbury Township.While it was felt across the New York metropolitan area, Delaware Valley, the Washington D.C metropolitan area, and other parts of the northeastern United States between Virginia and Maine, it had a relatively minor impact, with no major damage ...