A relatively small, 2.7-magnitude earthquake struck near Hillsdale in northern New Jersey, according to the US Geological Survey.

Multiple earthquakes shook Southern California hours after a tremor was felt on the East Coast on Aug. 5, according to data from the U.S. Geological Survey. One quake hit Rialto, California,

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