Volcanoes of the NorthwestBy Emma Bowler

INTRODUCTION

• How are volcanoes made?• Introducing volcanoes of the Northwest.• Mt. Hood• Mt. St. Helens• Newberry Caldera

HOW ARE VOLCANOES MADE?Volcanoes are made by magma

within the earth’s mantle pushing it’s way to the surface.

NORTHWEST VOLCANOESThe Ring of Fire is found along the Pacific. The Ring of Fire is a border of volcanoes along the Pacific Ocean.

TIP :The red on the photo is the Ring of Fire.

The Cascades are a section of volcanoes along the Pacific. They go from British Columbia to Californa.

MT. HOOD

Mt. Hood is a stratovolcano. A stratovolcano is tall cone shaped volcano made of many layers of: hardened lava, rocks, pumice and volcanic ash. It is the tallest mountain in Oregon.

MT. ST. HELENS

•Is an active stratovolcano•Erupted May 18, 1980 at 8:32 am• Located in Washington

NEWBERRY VOLCANO & CALDERA

- Shield volcano- Potentially active- A caldera is a bowl- like volcanic feature that

has collapsed during an eruption.- located in Bend.

CONCLUSION

• I hope you liked my slide show and learned a thing or two about volcanoes.