(NEXSTAR) — While areas like California and the West Coast may be top of mind when you think of where earthquakes occur in the U.S., a new report shows nearly 75% of the country could experience a ...

An earthquake measuring 2.1 on the Richter scale was felt on Wednesday night in municipalities in the districts of Porto and ...

Earthquakes are measured using seismographs, which monitor the seismic waves that travel through the Earth after an earthquake strikes. Scientists used the Richter Scale for many years but now largely ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. (NEXSTAR) — While areas like California and ...

Earthquake strength is registered on the moment magnitude scale, which measures how much energy was released when the rocks along a fault moved during the quake. By Henry Fountain Earthquake strength ...