Lava-like flow of silt and debris in a gully at Ahmanson Ranch.
alt="Saturated, silty soil in Upper Las Virgenes Canyon Open Space Preserve (Ahmanson Ranch) can flow as a lava-like slurry. February 9, 2022." border="0">
Saturated, silty soil in Upper Las Virgenes Canyon Open Space Preserve (Ahmanson Ranch) can flow as a lava-like slurry. February 9, 2022.