The Journal News/lohud.com reached out to a researcher at the U.S. Geological Survey about earthquake frequencies in the Lower Hudson Valley region.

MADISON, Ohio — A small earthquake with a preliminary magnitude of 2.6 was recorded late Monday about 2 kilometers northeast of Madison in Lake County, according to the U.S. Geological Survey. The ...

Multiple earthquakes rattled the Bay Area Friday and Saturday evenings, according to the U.S. Geological Survey. The first earthquake, which struck at 7:49 p.m. Friday, had a preliminary magnitude of ...