The second deadliest dam failure in U.S. history happened suddenly. The St. Francis Dam was a 205-ft-high concrete gravity arch dam located in San Francisquito Canyon, 30 miles north of Los Angeles.

During our recent ShakeOut drill, a number of people asked me about dam safety during earthquakes. I am not an earthquake engineer and by no means an expert in dam safety. But I have been poking into ...

Grand Rapids — More than five years after heavy rains swept out the Edenville Dam, flooding downriver homes and leaving upriver homeowners without a lakefront, Midland-area residents launched what's ...