In an area prone to earthquakes there is a 6.9 magnitude quake. Two years before there was a 6.6 magnitude quake. The relative intensity of the 6.9 quake was about twice that of the 6.6 quake.

Question

Quizplus · Accepted Answer

The Richter scale is logarithmic, meaning each whole number increase on the scale represents a tenfold increase in measured amplitude and roughly 31.6 times more energy release. A 6.9 magnitude quake releases about 2 times more energy than a 6.6 magnitude quake.

In an Area Prone to Earthquakes There Is a 6