LOS ANGELES COUNTY, CA - Sunday morning, a preliminary 2.1 magnitude quake was recorded close to Los Angeles, according to ...
HUMBOLDT COUNTY, CA - the U.S. Geological Survey reported that a preliminary 2.2 magnitude quake occurred near Petrolia ...
— James Webb, Mineral Point, Wis. A Chuck DeMets, professor of geophysics at the University of Wisconsin-Madison: Most earthquakes occur when a geological fault, a fracture within the Earth’s crust, ...
What Is a Tsunami and How Does It Form? A tsunami is a series of ocean waves caused by a sudden disturbance, usually an underwater earthquake, that pushes a large amount of water up or down. Most ...
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The US Geological Survey reported a preliminary 3.4 magnitude earthquake close to California's Big Bear City on Sunday ...