What is the unexpected shaking of the earth’s surface that we call an earthquake? In the first part of this two-part series on earthquakes, students learn about the characteristics of earthquakes and the locations where they can be felt. The video also explains why and how earthquakes are formed at different plate boundaries due to the tectonic movements underneath them.
Two earthquakes in two months... it's a scary start to 2010 for the countries of Haiti and Chile. The latest was the Chile quake. Buildings and roads crumbled and it caused devastating tsunamis. However this disaster didn't kill anywhere near as many people as the Haiti quake a month ago, despite being far more powerful. Why? Let's look at what factor made the difference between the two earthquakes.
