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Dam earthquake warning

ASSETS AND IMPACTS

Dams, Levees, Mine Tailings, Navigation Locks

Earthquake Risk Transfer for Dams

Owners and Operators

Many of the dams are privately owned (65% in the US); the remainder are owned by Federal, State, local, tribal, and territorial entities.

  • Levees have diverse Federal, State, local, and private ownership.
  • Federal agencies own and operate the vast majority of navigation locks.
  • Private companies own and operate onsite mine tailings.

Impact on Critical Functions

Water Supply, Irrigation, Hydropower Generation, Flood Damage Reduction, Navigation, Flood Recreation Contact.

Economic Impact

Asset Replacement Value, Remediation Cost, Business Interruption

California dams earthquake effects

Fig.1 - How dams are affected by the recent earthquakes in California - from 1 until 50 PGV

Human Impact

Population at risk within flood scenario inundation zone

  • Population at risk within 0 and 3 miles from the toe of the dam
  • Population at risk within 3 and 7 miles from the toe of the dam
  • Population at risk within 7 and 15 miles from the toe of the dam
  • Population at risk within 15 and 60 miles from the toe of the dam