3-2. VOLCANOES & EARTHQUAKES 3-2-1. Distribution Along the plate boundaries Within plates.

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Presentation transcript:

3-2. VOLCANOES & EARTHQUAKES Distribution Along the plate boundaries Within plates

Types of Volcanoes Rock types Basaltic Andesitic Rhyolitic Shape & structure Cinder cone Lava dome Maar Shield volcano Stratovolcano Activity Active Extinct Dormant

Capulin Volcano National Monument, New Mexico. Capulin Moun tain, a huge cinder cone which last erupted between 58,000 to 6 2,000 years ago, rises more than 1,000 feet above its base

The new lava dome inside Kelud's crater, consisting of two major parts. (Photo: Tom Pfeiffer)

Wabah maar in Saudi Arabia

View of Mauna Kea from Mauna Loa observatory

Mount Fuji, an active stratovolcano in Japan th at last erupted in 1707–08

Volcano Hazards

Mr Sleik's stairs burst into flames as the lava creeps ever-closer to the modest w ooden house rticle /Hawaii-homeowner -watches-molten-lava-destroy-hou se-volcano-erupts.html 27 July 2010 Lava from Kilauea Volcano, Hawaii

Dome Collapses Generate Pyroclastic Flows, Unzen Volcano, Japan (1994) Lava Dome Grows Above Steep Slope Pyroclastic Flows Rush Down New River Valley Trees and Buildings Burned by Ash-Cloud Surges zards/pyroclasticflow/unzen. php

1902 Eruption of Mount Pelee, Martinique

A map of the affected area around Mount Pelée printed in 1904 before after

1980 Eruption of Mount St. Helens, USA Mt. St. Helens mushroom cloud, 40 miles wide and 15 miles high. Camera location: Toledo, Washington, 35 miles west- northwest of the mountain. The picture is a composite of about 20 separate images.

a/Dig_a_Hole_to_China_Chapter1.html Before and after David A. Johnston hours before he was killed by the eruption

YearVolcano Country Death Toll 1815 Tambora Indonesia 92, Krakatoa Indonesia 36, Vesuvius Italia 33, Pelee Martinique 33, Nevado del Ruiz Columbia 23, Unzen Japan 15, Kelut Indonesia 10, Laki Iceland 9, Santa Maria Guatemala 6, Kelut Indonesia 5,000 The World’s Worst Volcanic Eruptions As Measured by Death Toll