Correct!

The magnitude of an earthquake is often determined with the Richter scale. It is named after Charles Richter, who developed this scale in the 1930's.

Scale of Richter:

bis 1:	measurable only with instruments
2 - 3:	Felt by only few people
4 - 5:	Light to moderate damage
6 - 7:	Strong to major damage
8 and bigger:	widespread destruction