To help distinguish it from magnitude scales, the MMI scale uses roman numerals. Although the Mercalli scale does not use scientific equipment to measure seismic waves, it has been very useful for ...

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 ...

A strong, 6.2-magnitude earthquake struck in the Sea of Marmara on Wednesday, according to the United States Geological ...

A 5.2-magnitude earthquake near San Diego rattled Southern California on Monday morning. The quake centered near San Diego, ...

An earthquake measuring 5.2 in magnitude struck the interior of San Diego County, California, on Monday. The unfortunate ...

A moderately strong, 5.1-magnitude earthquake struck in Australia on Wednesday, according to the United States Geological ...

A significant earthquake measuring 5.1 on the Richter scale occurred in Australia early Wednesday morning, according to the United States Geological Survey (USGS). The temblor, which struck at 2:55 a.

The 5.2 quake was centered near Julian. There were no immediate reports of major damage or injuries but some residents ...

A 5.2 magnitude earthquake struck northeast of San Diego at about 10:08 a.m. on Monday. Shaking was felt as far away as Los ...