1. earthquakes
Atal, Malak, laiba
, Sofia

2. What causes earthquakes.
Earthquakes are usually caused when rock underground suddenly break's along a fault.

3. Where do earthquakes happened?
The earth's crust is made of enormous tectonic plates that are pushing together   or pulling together or pulling apart all the time under the oceans ,hot ,sticky rock oozes from under the earth's crust, creating ridges and mountain's along the edges of the plates grate together or slip and slide, they cause the earth to tremble

4. Where they occur
Some 80 percent of all the planets earthquakes occur along the rim of the pacific ocean, called the ring  of fire.

5. Deadliest
The deadliest earthquake occurred in Iran and Iraq in nov

6. Nickname
Earthquakes also called temblors, can be tremendously destructive.

7. The end