A volcano is hiding in Carlsbad's Calavera Nature Preserve
An extinct volcano is lying hidden in Carlsbad's Calavera Nature Preserve in north San Diego County. Welcome to Mount Calavera!
A volcano is hiding along Southern California coast
An extinct volcano is lying hidden in Carlsbad's Calavera Nature Preserve in north San Diego County. Welcome to Mount Calavera!
NBC Los Angeles3d
A volcano is hiding along Southern California's coast
They shoot molten lava and toxic gases miles into the atmosphere and when the lava is too thick to run over the top, it can create what geologists like Dr. Pat Abbott call a plug dome volcano.