As a result of the many earthquakes in California, people near large bodies of water need to stay aware of the potential for a tsunami, especially because of the long-term environmental impact. A tsunami is a long and high sea wave caused by earthquakes, underwater landslides, or other disturbances. Like an earthquake, tsunamis are unpredictable and can occur any time. Below are resources on what to do before, during, and after a tsunami.
Resources
American Red Cross:  Tsunami 

Information on  preparedness before, during, and after a tsunami.
Center for Disease Control (CDC): Tsunamis

Information on health, food and water safety concerns after a tsunami.
Ready.gov - Tsunamis

General information on preparedness during a tsunami.
Ready.gov Kids - Tsunamis

  General information to keeps kids safe from 
  a tsunami.
