U.S. Geological Survey
The U.S. Geological Survey’s national information center says the 1.9-magnitude quake occurred at 7:13 a.m. Saturday.
A new online portal created by the U.S. Geological Survey offers a detailed look at the state of the nation’s coastlines.
Officials say a 2.1-magnitude earthquake briefly shook North Jersey on Sunday.
Neighbors on Calera Road in Northeast Philadelphia weren’t sure what to think after hearing a loud boom Friday night.