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

Volcanoes are responsible for:

• producing most of the water on Earth.• modifying the Earth’s atmosphere.• creating new land

VOLCANISM

• Produces fertile agricultural land.

• Provides a source of geothermal energy in Iceland and California.

• Presents significant natural hazard.

VOLCANOES AND VOLCANISM

The Nature and Status of Volcanoes

EXTINCT - has not erupted in very long time, generally > 10,000 years.

Shiprock, New Mexico

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.

VOLCANOES AND VOLCANISM

The Nature and Status of Volcanoes

ACTIVE - currently erupting volcano or one thathas erupted recently.

Kilauea, HI

Mt. Lassen, CA

VOLCANOES AND VOLCANISMMt. St. Helens, WA

17 May 1980

VOLCANOES AND VOLCANISM

Mt. St. Helens, WA18 May 1980

VOLCANOES AND VOLCANISMMt. St. Helens, WA

19 May 1982

Mount St Helens