100+ Pyroclastic eruption PowerPoint (PPT) Presentations, Pyroclastic eruption PPTs

Pyroclastic eruption - PowerPoint PPT Presentation

VOLCANISM

VOLCANISM. Mount St. Helens, 1980 eruption. Where are volcanoes located?. Volcanoes are located over divergent plate boundaries (mid-oceanic ridges). Laki fissure, Iceland. Volcanoes are located over convergent plate boundaries (subduction zones). Mount Rainier, Tacoma, Washington.

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517 views • 51 slides

VOLCANISM

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529 views • 50 slides

What is the Elastic Rebound Theory ?

What is the Elastic Rebound Theory ?. Explains how energy is stored in rocks Rocks bend until the strength of the rock is exceeded Rupture occurs and the rocks quickly rebound to an undeformed shape Energy is released in waves that radiate outward from the fault.

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1.14k views • 40 slides

Mount St. Helens

Mount St. Helens. By: Alex Green. Location. Located in Washington state (42.20 N , 122.18 W) About a 3 hour drive from Seattle Mt St. Helens is located on the circum pacific belt. Size. It is 8,363 feet high. Last eruption. May 18, 1980, 8:32 am (PDT) active. Type of volcano.

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507 views • 21 slides

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Pyroclastic eruption - PowerPoint PPT Presentation

VOLCANISM

VOLCANISM

What is the Elastic Rebound Theory ?

Mount St. Helens