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Map depicting the extent of the Ramapo Fault System in New York, New Jersey, and Pennsylvania. The Ramapo Fault zone is a system of faults between the northern Appalachian Mountains and Piedmont areas to the east. [1]
These lines allow tectonic plates to move and earthquakes occur when two plates slide past each other. The Ramapo Fault System is the longest in the northeastern U.S., stretching from Pennsylvania ...
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 causative fault for the earthquake was likely in the area of the Ramapo Fault zone, [8] which extends from Pennsylvania to New York [9] and was formed by the break-up of the supercontinent Pangaea during the Late Triassic. [10] Another possible origin is the Flemington Fault, a younger fault in the same area. [11]
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.
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.
The Ramapo Fault today produces relatively small quakes, and the last period of major seismic activity was around 200 million years ago, experts estimate. New York City has its own share of faults ...
The earthquake is thought to have originated from within the New Jersey Highlands of the Reading Prong, [4] possibly on the 300 km long, 12 km wide Ramapo Fault zone, a structure formed during the Late Triassic during the break-up of Pangaea. [6] The mainshock was part of a sequence that occurred over a span of several hours. [4]