While earthquakes are relatively uncommon in the Northeast, the events highlight the region's ongoing seismic activity.

A second minor earthquake has rattled the New York metropolitan area within several days. The 2.7 magnitude quake struck Tuesday afternoon near Hillsdale, New Jersey, northwest of the Bronx.

The U.S. Geological Survey said the tremor that hit just after noon was centered in Hillsdale, New Jersey, and measured a magnitude 2.7 on the Richter scale. There were no immediate reports of injuries or damage,

The massive magnitude 8.8 earthquake that struck off Russia's Kamchatka Peninsula last week has triggered the activity of seven volcanoes in the area, according to the Institute of Volcanology and Seismology of the Far Eastern Branch of the Russian Academy of Sciences (RAS).

Six Russian volcanoes erupted shortly after an 8.8 magnitude earthquake stuck nearby, with a seventh possibly to follow.

The overnight eruption of the Krasheninnikov Volcano in Kamchatka, its first in 600 years, may be connected to the huge earthquake that rocked Russia’s Far East last week, Russia’s RIA state news agency and scientists reported on Sunday.