To test if earthquakes that occur successively at different locations are related to each other — in this case, the twin ...

Earthquakes and seismic activity often happen with sudden movements underground with tectonic plates. Seismographs are used by scientists to measure the time, location and strength of an earthquake.

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) — April 26 is the birthday of Seismologist Charles Richter, co-creator with Beno Gutenberg of the Richter Scale, which measures the intensity of earthquakes. In the early 1930s, the field of ...

Japan is situated in a volcanic zone on the Pacific Ring of Fire. Frequent low-intensity tremors and occasional volcanic ...

A major, 7.4-magnitude earthquake struck in the Philippine Sea on Friday, according to the United States Geological Survey. The temblor happened at 9:43 a.m. Philippine time about 12 miles east of ...

A 7.4 earthquake that struck near the Philippines was followed by a powerful second quake on Friday, Oct. 10, killing at ...

TAIPEI (Taiwan News) — Eastern Taiwan experienced a magnitude 5 earthquake at 7:52 a.m. on Wednesday, according to the ...

A series of small earthquakes hit near the Big Bear area in San Bernardino County starting late Saturday night into Sunday ...

A California Geological Survey map released earlier this year depicts just how intense and damaging the shaking from future earthquakes will be across the state, revealing where the threat is most ...

(CNN) — Measuring earthquakes is no easy task, given they strike suddenly and sometimes at global scale. When the Earth’s crust shifts abruptly, an earthquake occurs, with energy radiated out as ...