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The Ramapo Fault forms the western boundary of the Newark Basin. It is the surface location of the fault between basement blocks of Precambrian bedrock shown in orange. New Jersey, eastern Pennsylvania, and southeastern New York are divided geologically into four physiographic provinces, each distinctive in their
Map of the Ramapo Fault System: Earthquake epicenter at Lebanon, NJ. Hopewell Fault (red) and Flemington Fault (light blue) join the Ramapo (yellow) fault near the quake epicenter.
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.
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 ...
The Ramapo Fault, which marks the western boundary of the Newark rift basin, has been argued to be a major seismically active feature of this region, [22] but it is difficult to discern the extent to which the Ramapo fault (or any other specific mapped fault in the area) might be any more of a source of future earthquakes than any other parts ...
The magnitude-4.8 earthquake was the strongest in New Jersey in over 200 years. ... New Jersey, to record aftershocks, which could help identify the main fault line. ...
They range in height from 900 to 1,200 feet (270 to 370 m) in New Jersey, and 900 to 1,400 feet (270 to 430 m) in New York. Several parks and forest preserves encompass parts of the Ramapos (see Points of interest, below ), and many hiking trails are in the Ramapos, including sections of the Appalachian Trail , which is maintained and updated ...
Scientists have yet to pinpoint the fault that ruptured in New Jersey on April 5 and rattled much of the Northeast. Now, U.S. Geological Survey researchers are in the process of installing new ...