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 ...

But some are strong enough to shake things off walls, cause cracks in foundations and, in the worst cases, bring entire ...

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

A magnitude 2.8 earthquake jolted the Los Angeles area Monday morning, sending weak shaking from its epicenter in Alhambra.

A 7.0 magnitude earthquake off of the California coast sent trembles Thursday morning throughout Northern California, ...

An earthquake measuring 2.2 on the Richter scale was felt today, at 8:19 am, in Montemor-o-Novo, in the district of Évora, ...

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 ...

According to the U.S. Geological Survey, “weak” shaking — or Level 3 as defined by the Modified Mercalli Intensity Scale — may have been felt in Malibu, Thousand Oaks, Calabasas ...

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.

According to the U.S. Geological Survey, “weak” shaking — or Level 3 as defined by the Modified Mercalli Intensity Scale — may have been felt in Malibu, Thousand Oaks, Calabasas ...