Another scale is based on the physical size of the earthquake fault and the amount of slip that occurred. Then there are also measures of earthquake shaking intensity. The intensity from one ...

In fact, the Richter scale was replaced in the 1970s by other ... with German-American seismologist Beno Gutenberg — to measure the size of earthquakes occurring in southern California.

Understanding Earthquake Magnitudes An earthquake’s magnitude is a measure of the energy released during the event. The Richter scale, commonly referenced in media reports, quantifies this energy on a ...

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 ...

The largest earthquake ever recorded was in Chile in 1960, it measured 9.5 on the Richter scale.

Little wonder, then, that 9,000 of the island’s 15,000 permanent residents were evacuated and are only just beginning to ...

Very mild tremors were felt in Calcutta on Tuesday morning, as an earthquake measuring 5.1 on the Richter scale struck deep inside the Bay of Bengal seabed. The quake occurred at a depth of 91km in ...