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 ...

A light, 4.7-magnitude earthquake struck in Northern California on Wednesday, according to the United States Geological ...

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 ...

The Modified Mercalli Intensity scale shows how intense an earthquake is at a specific site, based on what people on the ground would feel. The scale is expressed in Roman numerals. I – Not Felt ...

A magnitude 5.5 earthquake that struck in a remote area of Nevada on Monday afternoon sent shaking throughout Central ...

A magnitude 3.3 earthquake was reported near the southern Ohio-western West Virginia border on Monday. The United States ...

The NCDEQ describes a magnitude of 3.5 as "felt by many people." Descriptions of similar levels on the Modified Mercalli Scale show that earthquakes between 3.5-4.5 magnitudes can feel like ...

Tremor noticed by many, but they often do not realize it is an earthquake. (III on the Modified Mercalli Scale) Felt indoors by many. Feels like a truck has struck the building. (IV) Felt by ...