4th nationwide simultaneous earthquake drill, isinagawa

This is how you ShakeOut! during the world’s largest earthquake drill tomorrow at 10:20 a.m. Practice Drop, Cover, Hold On! for earthquake safety. It’s the Great ShakeOut Earthquake Drills!! | South Carolina Emergency Management Division

Philippines conducts nationwide earthquake and tsunami drill

Causes of Earthquakes | Explanation & Location

Earthquake - Protection, Definition, Causes, Effects, Precaution