1. AIM: How does a Volcanoes eruption affect people, land and animals that live near it? Do Now: How many natural disasters can you name? HW: Article due Wednesday

4. Volcanoes are responsible for: producing most of the water on Earth. modifying the Earth’s atmosphere. creating new land

5. VOLCANISM Produces fertile agricultural land. Provides a source of geothermal energy in Iceland and California. Presents significant natural hazard.

6. VOLCANOES AND VOLCANISM The Nature and Status of Volcanoes EXTINCT - has not erupted in very long time, generally > 10,000 years. Shiprock, New Mexico

7. VOLCANOES AND VOLCANISM The Nature and Status of Volcanoes DORMANT - has not erupted in past 2000-3000 years, but has potential to erupt. Mt. Baker, WA Chiliques volcano in Chile.

8. VOLCANOES AND VOLCANISM The Nature and Status of Volcanoes ACTIVE - currently erupting volcano or one that has erupted recently. Kilauea, HI Mt. Lassen, CA

10. VOLCANOES AND VOLCANISM Mt. St. Helens, WA 17 May 1980

11. VOLCANOES AND VOLCANISM Mt. St. Helens, WA 18 May 1980

12. VOLCANOES AND VOLCANISM Mt. St. Helens, WA 19 May 1982

13. Mount St Helens