Claudio Berti, director of the Idaho Geological Survey, was driving from Moscow to Boise for an Idaho Emergency Management Association conference on Monday morning when the largest earthquake the state has experienced in nearly a year shook Central Idaho.
The U.S. Geological Survey reported a magnitude-4.2 quake at 9:32 a.m., originating in Custer County, according to the agency’s website. The reported epicenter was located 16 miles west-northwest of Clayton.
It occurred at a depth of about 7 miles, the USGS said…