A map provided by the USGS shows the epicenter of the quake below Darrell Johnston's alfalfa field near Dacono.

Click 'Draw Cross-section' at the bottom right of the screen. Click and drag to specify the area, then click 'Open 3D View.' The epicenters of each earthquake were then displayed on a 3D map.

The earthquake, centered off the coast of Portsmouth, was felt hundreds of miles away from the epicenter. See this interactive map from the USGS that shows where it could be felt.

The hypocenter – the specific spot beneath the earth’s surface where an earthquake originates, also known as the focus – was at a depth of 4.7 kilometers (2.9 miles), according to the USGS ...

This is not the first earthquake to effect the area this year. In mid-September, a 3.5 and 3.9 magnitude earthquakes also rocked the area. On that occasion, the epicenter was located 3.5 miles ...

GREENLAND, N.H. — A 1.6 magnitude earthquake was reported on New Hampshire's Seacoast Sunday, according to the USGS. The earthquake epicenter was 1.9 miles south, southeast of Greenland and ...

By Cheri Mossburg, CNN (CNN) — An earthquake shook the Los Angeles region Monday afternoon. The US Geological Survey reported a 4.9 magnitude quake with an epicenter near Barstow, California ...