Name three events that might occur before an earthquake.

Avoid windows, exterior walls, stairwells, elevators, and objects that could fall. Be aware that the electricity may go out and the fire alarm or sprinkler system may turn on. If outside, get into an open area. Stay clear of buildings, power lines, streetlights, and anything that can fall on you.

Explanation:

heat from the core of the earth causes convection currents to occur in the mantle. these currents slowly move the crust around.