Term
|
Definition
| A volcano that has erupted recently and is expected to erupt again. |
|
|
Term
|
Definition
| The material thrown out by a volcano when it erupts. |
|
|
Term
|
Definition
| The central part of the Earth. |
|
|
Term
|
Definition
| A roughly circular opening at the summit of a volcano. |
|
|
Term
|
Definition
| The thin outer layer of the Earth. |
|
|
Term
|
Definition
| A volcano that has erupted in the last 2,000 years but not recently. |
|
|
Term
|
Definition
| A sudden movement or tremor of the Earth's crust. |
|
|
Term
|
Definition
| A volcano that is not expected to erupt again. |
|
|
Term
|
Definition
| A natural danger to people and their property and way of life. Hazards include earthquakes, storms, drought and floods. |
|
|
Term
|
Definition
| Molten rock (magma) that usually flows from the crater of an active volcano. |
|
|
Term
|
Definition
| Molten rock below the earth's surface. |
|
|
Term
|
Definition
| Where molten rock is found deep below the Earth's surface. |
|
|
Term
|
Definition
| The place where plates meet on the earth's surface and where most of the world's earthquakes occur and volcanoes may be found. |
|
|
Term
|
Definition
| Large sections of the Earth's crust. |
|
|
Term
|
Definition
| A scale used to measure the strength of an earthquake. |
|
|
Term
|
Definition
| An instrument used to measure the strength of an earthquake. |
|
|
Term
|
Definition
| An opening in the Earth's crust through which material is forced upwards during a volcanic eruption. |
|
|
Term
|
Definition
| Large rock fragements thrown out by an erupting volcano. |
|
|
Term
|
Definition
| A cone-shaped mountain or hill often made up of lava and ash. |
|
|
