An active volcano near Alaska's most populated city could be on the brink of eruption, according to scientists who are constantly monitoring a potential threat.

Discover interesting facts about how big earthquakes can get, why earthquakes happen, and why they're so hard to predict.

Earthquakes happen most often where tectonic ... the world are constantly working to record ground motion. Some use GPS, like the navigation system on a smartphone, to precisely measure how ...

When people think about fiber optic cables, it's usually about how they're used for telecommunications and accessing the ...

MEXICO CITY (AP) — A magnitude-7.6 earthquake shook the Caribbean Sea southwest of Cayman Islands Saturday, according to the U.S. Geological Survey, and some islands and countries urged people near ...

Experts say portions of the continent are pulling apart, creating the possibility that the Horn of Africa will become an island.

aiding not only in navigation but also in emergency earthquake alerts in areas with no communication signals. The Japanese ...

SiTime’s EVP of Marketing, Piyush Sevalia, explains how their groundbreaking MEMS timing technology is transforming the ...

Gas sensors signal changes in volcanic fumes, and GPS sensors monitor and measure ground deformation. With researchers monitoring Mount Rainier so closely, Iezzi said if a big eruption were to ...

Although the region is not prone to earthquakes and tsunamis ... "The purpose of this deployment is to test the accuracy of the GPS system where there is little background noise.