What does “moment magnitude” mean, and how do scientists determine the strength of a rupture in the earth? By Henry Fountain Henry Fountain spent a quarter century covering science for The Times. He ...

Earthquakes are becoming increasingly frequent. On Sunday morning, four earthquakes struck parts of India, Myanmar, and Tajikistan within just one hour, sending tremors across central and South Asia.

We know an earthquake is severe when it has a high magnitude number. The 1985 quake that devastated Mexico City was an 8. The quake that shook central Mexico this week was a 7.1. But what exactly is ...

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 ...

Just how strong was Wednesday’s earthquake anyhow? The quake that struck about 11 miles south southwest of Mifflintown in Juniata County measured 3.4 on the Richter scale, with weak-to-light shaking ...

Earthquakes are measured on the Richter scale. It was named after Charles Richter, who in 1935 developed a mathematical scale of measuring the relative size of quakes. On the Richter scale, magnitude ...

PITTSBURGH (KDKA) - In scientific fields, numbers are everywhere. Knowing what those numbers mean is easier to understand in some cases, and in other cases, not so much. An earthquake's magnitude, on ...

An earthquake rattled much of the Northeast on Friday morning, with shaking felt across the New York City metropolitan area and in communities from Baltimore and Philadelphia up through New England.

New Delhi: A massive earthquake struck Delhi on Monday morning (February 17) at around 5:36 am, with tremors felt in Noida and Gurgaon. As per the National Centre of Seismology, a 4.0 magnitude ...

The earthquake that rattled Californians on Friday night measured a 7.1 magnitude, which doesn’t sound much worse than the 6.4-magnitude quake that struck a day earlier. But it was. The small ...

The Seattle earthquake registered 6.8 on the … well, not on the Richter scale, which the New York Times reported has been displaced. Is the Richter scale obsolete, and what is used instead? While the ...