A powerful explosion rocked downtown Stinson Beach on Tuesday morning, destroying two buildings and damaging several others. An investigation is underway, but the blast, which originated in a vacant apartment above Oceanic Realty, was most likely caused by a propane leak, Stinson Beach fire chief Kenny Stevens said.
The town’s firefighters were on the scene within a minute. Wood, sheetrock, broken windows and a roof were strewn across Shoreline Highway as personnel doused the buildings.…