The Mercalli scale was designed to do just that The original scale was invented by Giuseppe Mercalli in 1902 and was modified by Harry Wood and Frank Neumann in 1931 to become what is now known as the ...

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 ...

An earthquake measuring 5.9 on the Richter scale jolted off Indonesia's eastern Maluku province on Thursday morning, ...

the inventor of the Richter Scale. The seismologist, aka Earth scientist, invented the critical measurement tool to help better understand the magnitude of earthquakes. Who is Charles Richter?