Changes

== History ==

== History ==

Earthquakes sometimes hit cities and kill hundreds or thousands of people. Most earthquakes happen along the [[Pacific Ring of Fire]] but the biggest ones mostly happen in other places. [[Tectonically]] active places are places where earthquakes or [[volcanic eruption]]s are frequent.

Earthquakes sometimes hit cities and kill hundreds or thousands of people. Most earthquakes happen along the [[Pacific Ring of Fire]] but the biggest ones mostly happen in other places. [[Tectonically]] active places are places where earthquakes or [[volcanic eruption]]s are quite frequent.

== Causes of an earthquake ==

== Causes of an earthquake ==