(Salem, OR) -- The Great Shakeout earthquake drill will be held at 10:16 a.m. on Thursday. You're supposed to drop, cover and hold for one minute. If you're at the coast, you're also supposed to practice walking out of the tsunami zone as fast as you can. A Cascadia Subduction Zone Earthquake could knock out water, electricity and natural gas for several weeks. You're supposed to have enough water and food for at least two weeks. You can register for the drill at Shakeout dot org. The website Ready dot gov has tips on how to prepare.