Volcanoes Flashcards
(3 cards)
1
Q
What is a volcano?
A
A volcano is an opening in the earth’s crust through which lava, volcanic ash, and gases escape.
2
Q
What are the benefits of living near volcanoes?
A
- Ash from a volcanic eruption is rich in chemicals and is deposited in the ground making soil very fertile
- Produce spectacular scenery which attracts tourists
- Provides geothermal energy
3
Q
How do scientists monitor volcanic activity?
A
Seismometers - used to measure earthquakes occurring near an eruption
Tiltmeters and GPS satellites – these devices monitor any changes in landscape. Volcanoes tend to swell near an eruption.
