Earthquakes registering 3.4 and 3.6 hit 71 minutes apart near Glenwood Springs
GLENWOOD SPRINGS, Colo. -- Two earthquakes shook Glenwood Springs a little more than an hour apart early Tuesday morning. The U.S. Geological Survey said a 3.4 magnitude quake struck at 3:02 a.m. one mile north northeast of the Garfield County city at a depth of three miles. A strong 3.6 magnitude quake hit at 4:13 a.m. about four miles north northwest of Glenwood Springs at a depth of three miles.