ST. LOUIS – Thursday, October 20 is the annual Great Central U.S. Shake Out Earthquake Drill.

At 10:20 a.m, you’re encouraged to drop, cover, and hold on. That’s the best way to protect yourself from falling debris during an earthquake. Many area schools plan to participate.

Trending: Lesser-known Missouri fruit is thought to predict winter weather severity

More than 350,000 people in Missouri and 235,000 people in Illinois have signed up online to take part this year.