The 4.8 magnitude earthquake that struck New Jersey on Friday generated shaking that could be felt from Washington, D.C., to north of Boston. About 55 earthquakes a day – 20,000 a year – are recorded ...

About 55 earthquakes a day – 20,000 a year – are recorded by the National Earthquake Information Center. Most are tiny and barely noticed by people living where they happen. But some are strong enough ...

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 ...

(WHTM) — Residents in Pennsylvania felt shaking Friday morning as a 4.8 magnitude earthquake struck New Jersey. Earthquake reported in New Jersey, tremors felt in Pennsylvania One of the most commonly ...

4.8 Earthquake In New Jersey Rattles New York Metro Area NEW YORK, NEW YORK - APRIL 5: In this photo illustration, an emergency alert is displayed from the national Emergency Broadcast System warning ...

Sept 12 (Reuters) - A powerful quake measuring 7.9 struck near Indonesia's Sumatra island on Wednesday triggering tsunami warnings in Indonesia, Malaysia, India and Sri Lanka, officials said.

The initial magnitude scale was established by Greek astronomer Hipparchus around 135 B.C.E., categorizing approximately 850 stars into six ranges from 1st (brightest) to 6th (faintest) magnitude.

Earthquakes account for some of the costliest natural disasters in history. They can literally reshape the planet. But how powerful can they get? That's a question humans have only recently been able ...

This is an archived article and the information in the article may be outdated.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. (WHTM) – Residents along much of the East ...