Mountains east of Los Angeles were uplifted 1 foot by the 1994 Northridge earthquake. Liquefaction Liquefaction occurs when water saturated sediment is reorganized due to violent shaking. The sediment collapses, expelling the water, and causing the ground surface to subside. Landslides Earthquakes are often associated with mountains formed along convergent plate boundaries. The steep slopes present in these environments are prone to landslides when shaken.
Landslides are common following earthquakes in California.
Tsunamis Giant sea waves generated by submarine earthquakes, especially noted from the Pacific ocean. Tsunamis caused by earthquakes around the ocean's perimeter may travel thousands of miles to destroy coastal property in Hawaii. Many casualties associated with the 1964 Alaska earthquake resulted from tsunamis. Tsunami damage at Kodiak, Alaska associated with the 1964 Anchorage earthquake. Cars and boats were carried inland along the waterfront.