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 ...

UC Irvine-led research reveals that the optical properties of materials can be dramatically enhanced—not by changing the ...

Most are too minor to feel but strong earthquakes can cause massive destruction—like this bridge that collapsed in Taiwan after an magnitude 6.8 earthquake in September 2022 caused severe damage ...

The quake's initial magnitude of 5.1 was soon downgraded to 4.7. It was followed by more than two dozen aftershocks, including two of magnitude-3.4, with more aftershocks possible in the hours and ...

A 4.7-magnitude earthquake struck near Malibu on Thursday morning, according to the U.S. Geological Survey. The quake happened at 7:28 a.m., with an epicenter 3.5 miles northwest of Malibu.

“In my 65 years in Ketchikan, I have never seen a slide of this magnitude,” they city's Mayor Dave Kiffer said in a release. “The loss of life that we have encountered is ...

The temblor, initially reported as magnitude 4.6 but later revised to 4.4 by the U.S. Geological Survey (USGS), struck at 12:20 p.m. local time, centered near Highland Park, just northeast of ...

Your donation makes it possible for us to keep doing this important work, keeping you informed every step of the way to the November election An earthquake with a preliminary magnitude of 4.7 ...

MALIBU, Calif. (KABC) -- A 4.7 magnitude earthquake struck the Malibu area Thursday, making it the 14th earthquake sequence of magnitude 4.0 in Southern California this year - the most since 1988.

TOKYO — Japan issued a tsunami advisory Thursday after a 7.1-magnitude earthquake struck off the southern island of Kyushu.

A magnitude 3.7 earthquake struck in Southern California early Monday, according to the United States Geological Survey, marking the second temblor to hit the region in less than five days.

A light, 4.7-magnitude earthquake struck near Los Angeles on Thursday, according to the United States Geological Survey. The temblor happened at 7:28 a.m. Pacific time about 4 miles north of ...