Utah Copper Mine Landslide Triggered Earthquakes
Monday, January 6, 2014 - 05:10
in Earth & Climate
The April 10th, 2013 landslide at a Utah copper mine probably was the biggest non-volcanic slide in North America's modern history, and included two rock avalanches that happened 90 minutes apart and surprisingly triggered 16 small earthquakes, according to findings published in GSA Today. The landslide moved at an average of almost 70 mph, reached estimated speeds of at least 100 mph and left a deposit so large it "would cover New York's Central Park with about 20 meters (66 feet) of debris," according to the researchers. read more