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Green lines are the Ramapo fault. Seismicity of the New York City area is relatively low. [1] New York is less seismically active than California because it is far from any plate boundaries. Large and damaging intraplate earthquakes are relatively rare. When they do occur in the Northeastern United States, the areas affected by them are much ...
Ramapo Fault. 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 ...
Clarendon-Linden fault system. The Clarendon-Linden fault system is a major series of fault lines in western New York state, in the United States. It extends through Orleans, Genesee, Wyoming, and into Allegany counties and is responsible for much of the seismic activity in the region. The system is named in part for the town of Clarendon, New ...
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 ...
A newly found fault line with a rare slanted angle shows why an earthquake rattled New York City in April harder than its epicenter in New Jersey — and may be a bigger seismic activity threat ...
October 26, 2024 at 9:44 AM. PALISADES, N.Y. — The discovery of a new fault line may explain the unusually strong and displaced shaking from April’s magnitude 4.8 quake that struck the heart ...
San Andreas Fault System (Banning fault, Mission Creek fault, South Pass fault, San Jacinto fault, Elsinore fault) 1300: California, United States: Dextral strike-slip: Active: 1906 San Francisco (M7.7 to 8.25), 1989 Loma Prieta (M6.9) San Ramón Fault: Chile: Thrust fault: Sawtooth Fault: Idaho, United States: Normal fault: Seattle Fault ...
Onondaga Limestone. The Onondaga Limestone is a group of hard limestones and dolomites of Devonian age that forms geographic features in some areas in which it outcrops; in others, especially its Southern Ontario portion, the formation can be less prominent as a local surface feature. [citation needed][1] In upstate New York and the Niagara ...