10/14/2026
Tomorrow, October 15th, is the Great Shakeout, the World's Largest Earthquake Drill. We encourage everyone to practice "Drop, Cover, and Hold On!" If you are in a tsunami area, you should practice moving to high ground.
You will also hear the All Hazards Alert Broadcast (AHAB) sirens play the tsunami warning sound instead of the usual Westminster Chimes. This is part of the drill, and there is no need to be alarmed.
For tsunami safety tips, and to find out if you are in a tsunami hazard area, go to our Tsunami page at https://www.islandcountywa.gov/468/Tsunami . You can also play a sample of the tsunami warning siren sound to familiarize yourself with it.
A tsunami is a series of high-energy waves radiating outward from a disturbance. Earthquakes may produce displacements of the sea floor that can set the overlying column of water into motion, initiating a tsunami. A tsunami can also be generated by a large landslide or from an underwater volcanic er...
