| A | B |
|---|
| Lisbon, Spain | Falling buildings and a giant tsunami kill 60,000 people during the Middle Ages. |
| San Francisco, Calif. | 1906, destroyed the palace hotel. Much of the city burned down, killing 3,000 people. |
| Anchorage, Alaska | one of the longest (4 min.) and most powerful (9.2 on the Richter scale) |
| China, 1976 | Destroyed 26 square miles. 500,000 people died. |
| Why do scientists study earthquakers? | In order to predict when the next one will hit. |
| long term prediction | to give people time to build and reinforce structures to make them earthquake proof. |
| short term prediction | To allow people to evacuate if an earthquake is going to happen soon. |
| Cause of an earthquake | plates of the Earth's crust scape past each other. |
| What theory explains earthquakes? | Plate Techtonics |
| Fault | The place where the earth's crust moves during an earthquake. |
| Dangers of earthquakes: | fires, falling buildings & bridges, tsunamis |
| giant ocean wave | tsunami |
| San Andreas Fault | Major fault that runs under California. |
| San Andreas Fault | Where the North American Plate and Pacific Plate rub past each other. |
