|
disaster
|
A catastrophic event, often resulting in loss of life and property. |
| dormant
|
Not active. |
| erosion
|
The gradual process of being eroded by the forces of nature. |
| eruption
|
The process of bursting forth. |
| lava
|
Molten rock that flows out of a volcano. |
| ash
|
Fine material thrown out of a volcano when it erupts. |
| magma
|
Molten material under the earth's crust where igneous rock is formed. |
| pumice
|
A light glass thrown up from volcanoes used for cleaning, smoothing, or polishing. |
| summit
|
The topmost part of anything. |
| vent
|
An opening or way out, an outlet. |
| crater |
An opening at the top of a volcano that is shaped like a bowl. |
