FACTS
The biggest earthquake ever recorded was a magnitude 9.5 in Chile in 1960.

A large  earthquake that occurs under the ocean can cause a tsunami (soo-nah-mee), a series of huge waves that can be as much as 50 feet high!

The earliest seismoscope (earthquake monitor) was invented by a Chinese astronomer, in the year 132 A.D.

California and Alaska have the most earthquakes of any U.S. states.

This fallen building is the result of an earthquake in California.