A light earthquake struck the Mohawk Valley twin cities of Johnstown and Gloversville. The quake, which registered a 2.5 on the Richter scale was felt as far west as Little Falls.

The epicenter was at 43.0498,-74.3782 which places it just west of the Gloversville city limit along Maple Avenue between Fulton Street and Route 29A. The image above shows the a Google Maps Street View of the field where the quake was centered. According to the USGS the quake was 6 kilometers deep.

Google Maps

How Common are Earthquakes in New York?

According to the New York State Geologic Survey and the New York State Museum, while they are generally minor, earthquakes aren't uncommon in the Empire State,

the cause of earthquakes in New York is largely unknown. It is likely that earthquakes are occurring in previously existing, probably very old, weak zones in the earth’s crust. Attempts to identify these specific zones, or assign earthquakes to known faults, have not been successful.

The majority of the earthquake activity in the state is centered around Northern New York near cities like Massena and Plattsburgh. In fact, the largest quake in the state's history was a 1954 magnitude 5.6 that caused $2 million in damage to Massena.

Earlier this year a 3.0 quake struck Oneonta.

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[USGS]