(Salem, OR) -- The annual Great ShakeOut Earthquake Drill is set for this morning at 10:19 a.m. The Oregon Department of Emergency Management coordinates the drill. They want you to drop, cover, and hold. You can register for the drill at shakeout-dot-org. The website has information on how to prepare. The worst case scenario is a magnitude 9 Cascadia Subduction Zone earthquake which would cause significant damage to infrastructure and communications. It might take two weeks to get emergency supplies like food and water into the region.