Checked it out with my geophysicist brother a long time ago. Some very strange mounds of lave like rock popped up all around in an otherwise flat area..
“Checked it out with my geophysicist brother a long time ago. Some very strange mounds of lave like rock popped up all around in an otherwise flat area..”
It might also be at the Southern end of the San Andreas fault. I know the fault runs down the East side of the Salton Sea but as far as I know it kind of peters out in that area.