It explains the severity of the temblor's shaking and its effects on people and the environment, according to the California Earthquake Authority. The Modified Mercalli Intensity scale shows how ...

Earthquake Magnitude Scale Magnitude Earthquake Effects Estimated Number Each Year 2.5 or less Usually not felt, but can be recorded by seismograph. Millions 2.5 to 5.4 Often felt, but only causes ...

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 ...

A major, 7.6-magnitude earthquake struck in the Caribbean Sea on Saturday and triggered a tsunami advisory in Puerto Rico and ...

The Cyber Monitoring Centre (CMC) aims to establish a ‘consistent and objective framework’ to provide clarity to enterprise ...

AN earthquake of considerable severity shook the island of New Britain ... An earthquake of intensity 7 or 8 on the Rossi-Fore l scale was felt at Rabaul on September 12, 1940, at 11.20 p.m ...

Additional information collected about the earthquake may also prompt U.S.G.S. scientists to update the shake-severity map ... the Modified Mercalli Intensity scale. When aftershock data is ...

Kefalonia was struck by a devastating earthquake measuring 7.2 on the Richter scale, causing extensive damage and leaving ...