from CBS Sacramento (CA)
August 24, 2012 8:53 PM
EL DORADO COUNTY (CBS13) – People from all over El Dorado County say they’re hearing loud booms several times a week, but there are many theories on what is causing them.
“I thought it was thunder,” said one person.
“It’s definitely not thunder; too consistent. I thought it was just mining,” said another person.
“I always considered them to be sonic booms from flying aircrafts for years,” said Loring Brunius, owner of Sierra Rock Diamond Quarry. . . . Read Complete Report