If you feel an earthquake or hear a sizable ground rumbling and you see a noticeable rapid rise or fall in coastal waters, those are good warning signs for a tsunami. Seek higher ground immediately. Don't wait for official evacuation orders. The International Tsunamis Information Center provides the following helpful information. Tsunamis can be detected by use of our human senses:

  1. TOUCH - Strong local earthquakes may cause tsunamis.
  2. FEEL the ground shaking severely? Immediately evacuate low-lying coastal areas and move inland to higher ground.
  3. SIGHT - As a tsunami approaches shorelines, water may recede from the coast, exposing the ocean floor and reefs. If you see an unusual disappearance of water, immediately evacuate low-lying coastal areas and move inland to higher ground.
  4. SOUND - The abnormal ocean activity, a wall of water, and approaching tsunami waves create a loud “roaring” sound similar to that of a train or jet aircraft.
  5. HEAR the roar? Immediately evacuate low-lying coastal areas and move inland to higher ground.