USGS continues to monitor New Jersey's increased earthquake spike since 2024 4.8 tremor

Low-magnitude tremors near Morristown and Whitehouse Station this month

Morristown, NJ – A series of small earthquakes struck parts of New Jersey and nearby New York over the past week, with three low-magnitude tremors recorded between March 9th and March 12th, according to seismic data. While no damage or injuries were reported, the activity adds to a growing awareness of minor seismic events in the region.

The most recent quake, measuring 1.4 in magnitude, occurred Wednesday at approximately 11:44 a.m. about 4 kilometers west of Morristown at a depth of roughly 10.1 kilometers. Just days earlier, a 1.3 magnitude earthquake was recorded northeast of Whitehouse Station in Hunterdon County during the early morning hours.

Small magnitudes limit impact across region

A slightly stronger 2.3 magnitude quake was detected March 10th near Sleepy Hollow, New York, just across the Hudson River. That tremor occurred at a depth of about 7.4 kilometers and may have been lightly felt in parts of northern New Jersey.

Seismologists note that earthquakes below magnitude 2.5 are often too small to be felt by most people, though they can occasionally be detected by those nearby or in quiet indoor settings.

Key Points

Three earthquakes recorded between March 9 and March 12 in NJ and nearby NY
Largest measured 2.3 magnitude near Sleepy Hollow, NY
No damage or injuries reported from any of the tremors

Regional seismic activity remains low-level

New Jersey is not typically associated with frequent seismic activity, but small tremors are not uncommon in the broader northeastern United States. These events are usually linked to minor fault movements deep underground.

Officials have not issued any alerts or warnings related to the recent quakes, and no disruptions to infrastructure have been reported.

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