The Dyckman Street Fault is a seismologically

active fault An active fault is a fault that is likely to become the source of another earthquake sometime in the future. Geologists commonly consider faults to be active if there has been movement observed or evidence of seismic activity during the last 10,0 ...

New York City New York, often called New York City (NYC), is the most populous city in the United States, located at the southern tip of New York State on one of the world's largest natural harbors. The city comprises five boroughs, each coextensive w ...

which runs parallel along the southern border of

Inwood Hill Park Inwood Hill Park is a public park in the Inwood, Manhattan, Inwood neighborhood of Manhattan, New York City, operated by the New York City Department of Parks and Recreation. On a high schist ridge that rises above the Hudson River from Dyckm ...

, crossing the

Harlem River The Harlem River is an tidal strait in New York City, flowing between the Hudson River and the East River and separating the island of Manhattan from the Bronx on the United States mainland. The northern stretch, also called the Spuyten Duyvi ...

and into Morris Heights. As recently as 1989, activity of this fault caused a magnitude 2

earthquake An earthquakealso called a quake, tremor, or tembloris the shaking of the Earth's surface resulting from a sudden release of energy in the lithosphere that creates seismic waves. Earthquakes can range in intensity, from those so weak they ...

References

{{reflist Seismic faults of the United States Geology of New York (state)