A strong earthquake has struck off Papua New Guinea Thursday evening.
An earthquake with magnitude 6.9 occurred near Ndoi Island, Fiji, about 200 miles from Nuku’alofa, Tonga just before noon Pacific Daylight Time, on Saturday.
A strong earthquake far off the coast of Chile has prompted authorities to warn of a possible tsunami risk for South American towns along the Pacific.
A small earthquake struck the East Bay Saturday morning about 3 miles north of Antioch, the USGS reported.
A strong earthquake has shaken an area of South America along the Colombia-Ecuador border region Monday.
An offshore earthquake with a magnitude of 4.1 shook the California North Coast region near Fortuna early Sunday morning.
In 1989, a gallon of gas was just less than a dollar, the first episode of “The Simpsons” aired on TV, and the first GPS satellites were launched into orbit. Twenty-five years later, GPS is the key to new technology allowing seismologists to warn us when a big quake is about to hit.
A earthquake registering a preliminary magnitude of 5.8 struck off the coast of Japan Wednesday near Chiba, according to the U.S. Geological Survey’s automated seismograph alert network.
Four areas of the San Andreas fault system in the San Francisco Bay Area have accumulated enough energy to produce major earthquakes, a new study finds.
An earthquake registering a preliminary magnitude of 7.4 struck off the coast of El Salvador Monday evening near La Union, according to the U.S. Geological Survey’s automated seismograph alert network.