The world is covered in sensors. Thermometers, barometers, seismometers. When joined together, they have incredible capabilities: Through its global network of seismographs, the United States ...

For nearly a century, seismographs were the only instruments used to record and measure earthquakes. Seismographs employ mechanical or electronic sensors to measure ground motion as a function of time ...

The Youth and Education in Science (YES) program at USGS in collaboration with the Hawaiian Volcano Observatory (HVO) is launching a community outreach and educational project called Bridging Local ...

HAYWARD — Scientists are taking advantage of next month’s implosion of a 13-story Cal State East Bay building to study a portion of the Hayward Fault using seismic monitors they will place throughout ...

Backtracking on an earlier ruling, the U.S. Geological Survey now says that a magnitude-3.2 tremor that shook the region nearly two weeks ago was an earthquake. Earlier, the agency was unshakable in ...

Another moderate earthquake, this one based in Mexico, rattled East County and the Imperial Valley today. Automated USGS seismographs indicate the magnitude 3.5 quake hit 102 miles east of Tijuana, ...