USGS Using Twitter Data To Track Earthquakes Around The WorldHundreds of millions of Twitter users around the globe far outnumber the roughly 2,000 sensors used by the USGS to track earthquakes for the National Earthquake Information Center.
4.2 Magnitude Earthquake Hits Northwest Nevada, 3rd Recent 4+ Quake To Strike Swarm-Prone RegionThe U.S. Geological Survey reports that a 4.2-magnitude earthquake hit the northwest corner of Nevada on Saturday night — the third earthquake above magnitude 4 to hit the region in the past 10 months.
Magnitude 6.6 Aftershock Hits Chile Just Days After 8.3 EarthquakeA magnitude 6.6 aftershock struck near the coast of Chile Monday, just days after a <a href="http://sanfrancisco.cbslocal.com/2015/09/16/massive-earthquake-rocks-chile/">massive 8.3 magnitude quake</a> hit the area, but there was no immediate tsunami threat.
3.2 Magnitude Quake NW Of MiddletownA 3.2 magnitude quake struck the area just northwest of fire-ravaged Middletown Tuesday morning at 5:46 a.m.
2.7-Magnitude Quake Rattles The Geyers Near MiddletownThe U.S. Geological Survey reported a 2.7-magnitude earthquake Thursday morning in The Geyers.
6.6-Magnitude Quake Strikes Gulf Of California, Rattles Mexican CommunitiesA strong earthquake shook communities along the Gulf of California on Sunday, but there were no immediate reports of damage.
Back-To-Back Earthquakes Strike Coast Range Northeast Of Willits - 3rd Such Quake In Two DaysTwo shallow earthquakes were reported Saturday morning 22 miles from Rancho Tehama Reserve in the eastern Coast Range west of Orland, according to the U.S. Geological Survey.
6 Ingenious Earthquake Safety Tools To Emerge 1 Year After Napa QuakeFrom early warning systems that provide a 30-second countdown to robots that search for heartbeats above the rubble, here are six of the most innovative tools changing the way we think about earthquake safety.
Magnitude 3.7 Quake Shakes Mammoth Lakes in Eastern SierraThe U.S. Geological Survey reported a 3.7-magnitude earthquake near Mammoth Lakes in the eastern Sierra Nevada mountains of Northern California.
3.1 Magnitude Quake In Central CaliforniaA 3.1 magnitude quake struck in Central Valley, 18 miles west of Soledad.
6.4 Earthquake Strikes Near Solomon IslandsAn earthquake with a magnitude of 6.4 struck near the Solomon Islands Wednesday, the U.S. Geological Survey reported.
Small Offshore Quake Rattles San Francisco And North BayThe U.S. Geological Survey reported a 3.3-magnitude earthquake off the coast of San Francisco Sunday afternoon.