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High Cascades (Part 2) Modern Volcanoes of the Pacific NW Mt. St. Helens, July 27, 2005.

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Presentation on theme: "High Cascades (Part 2) Modern Volcanoes of the Pacific NW Mt. St. Helens, July 27, 2005."— Presentation transcript:

1 High Cascades (Part 2) Modern Volcanoes of the Pacific NW Mt. St. Helens, July 27, 2005

2 Mt. Rainier

3 Mt. Rainier Cross Section G-8

4 Mt. Rainier History

5 Lahar History G-8

6 Lahar Hazards

7 Lahar Evacuation Routes

8 Rainier Quakes

9 Cascade Volcanoes G-1

10 Mt. Hood

11 Crater Lake/Mt. Mazama

12 Mt. Mazama - 7,700 yrs ago painting by Paul Rockwood

13 Formation of Crater Lake (7,700 yrs ago) G-6

14 Crater Lake Today painting by Paul Rockwood

15 Cascade Volcanoes G-1

16 Mt. Shasta

17 Mt. Lassen

18 Mt. Lassen Eruption, 1915

19 Sisters Volcanoes

20 Sister’s Uplift 10 cm (4 in) 1996-2000 Due to magma intrusion

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