"Sand Boil" on Bay Bridge

Image: "Sand Boil" on Bay Bridge

Detailed Description

"Sand boil" or sand volcano measuring 2 m (6.6 ft) in length erupted in median of Interstate Highway 80 west of the Bay Bridge toll plaza when ground shaking transformed loose water-saturated deposit of subsurface sand into a sand-water slurry (liquefaction). Vented sand contains-marine shell fragments.


Image Dimensions: 345 x 512

Date Taken:

Location Taken: Bay Bridge, CA, US