Caldera formation - PowerPoint PPT Presentation

Volcanic activity

Volcanic activity. Classification of igneous rocks. Distribution of main volcanoes. Fujiyama, Japan. Mount St. Helen before May 18, 1980. Mount St. Helen after 1980. 400 km 2 of devastated area. Trees 25 km away from Mt. St Helen. Gases at 800 °, Mount St. Helen eruption.

★ ★ ★ ★ ★

904 views • 57 slides

Volcanoes!

Volcanoes!. Volcanoes – Global Distribution. Yellowstone and Calderas. Caldera formation. Shield vs. Stratovolcanoes. Stratovolcanoes. Stratovolcanoes. Tephra (welded ash) layers at Usu volcano in Japan. Tephra and lava layers at Crater lake in California. Mt St. Helens – May 1980.

★ ★ ★ ★ ★

657 views • 45 slides

By Jonathan

By Jonathan. Geographic area. Ring of fire. Tectonic plates. northeastward moving of the Indo-Australian plate. Where/When/Size. Indonesia, Sumatra Biggest eruption in 1883 3rd largest eruption ever recorded 813 meters high 7 km wide Heard 5,000 km away Were Krakatau is.

★ ★ ★ ★ ★

260 views • 10 slides

View Caldera formation PowerPoint (PPT) presentations online in SlideServe. SlideServe has a very huge collection of Caldera formation PowerPoint presentations. You can view or download Caldera formation presentations for your school assignment or business presentation. Browse for the presentations on every topic that you want.