Map: 7.6-Magnitude Earthquake Strikes the Caribbean
A major, 7.6-magnitude earthquake struck in the Caribbean Sea on Saturday and triggered a tsunami advisory in Puerto Rico and ...
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Earthquakes: Facts about why the Earth moves
Discover interesting facts about how big earthquakes can get, why earthquakes happen, and why they're so hard to predict.
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Modified Mercalli Intensity Scale
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 Felt by many indoors, few outdoors. May feel ...
Map: 3.8-Magnitude Earthquake Strikes off the Coast of Maine
A minor, 3.8-magnitude earthquake struck in the Gulf of Maine on Monday, according to the United States Geological Survey. The temblor happened at 10:22 a.m. Eastern about 10 miles east of Portsmouth, ...
Michigan Technological University5mon
How Do We Measure Earthquake Magnitude?
There are a number of ways to measure the magnitude of an earthquake. Most scales are based on the amplitude of seismic waves recorded on seismometers. These scales account for the distance between ...