More than 1.5 million Washington residents are signed up to take part in the Great ShakeOut earthquake drill at 10:16 a.m. Thursday, Oct. 16 . Participants statewide — families, schools, businesses, and local organizations — will practice “ drop, cover, and hold on ” to practice earthquake safety.

The Emergency Alert System will activate at 10:16 a.m. on NOAA Weather Radio , as well as radio, TV, and cable outlets statewide. Coastal tsunami sirens will also be tested at the same time; this is only a drill, do not call 911.

The Great ShakeOut is part of a global event involving millions practicing earthquake preparedness. The drill encourages participants to take a minute to plan how they’ll communicate, find safe shelter, and evacuate if necessary.

Washington’s earthquake haz

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