Add Yahoo as a preferred source to see more of our stories on Google. About 55 earthquakes a day – 20,000 a year – are recorded by the National Earthquake Information Center. Most are tiny and barely ...

There are a number of ways to measure the magnitude of an earthquake. Most scales are based on the amplitude of seismic waves recorded on seismometers. These scales account for the distance between ...

(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 ...

I Felt by very few people; barely noticeable. II Felt by a few people, especially on upper floors. III Noticeable indoors, especially on upper floors, but may not be recognized as an earthquake. IV ...

Earthquake tremors have been felt again in Afghanistan. Its intensity has been recorded at 5.3 on the Richter scale. According to India's National Center for Seismology (NCS), the tremors were felt at ...

Reporters in Lexington, St. Andrews, Forest Acres and downtown Columbia felt the quake Thursday around noon. Did you?

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 ...