Volcanic arcs - PowerPoint PPT Presentation

Calc-Alkaline Magmatism Francis, 2013

Calc-Alkaline Magmatism Francis, 2013. Agua. Pacaya. Acatenango. Calc-Alkaline Arc Magmatism

870 views • 61 slides

Tsunami Preparedness Week

Tsunami Preparedness Week. How a Tsunami Works. An underwater earthquake occurs when a plate shifts abruptly and pushes water upward with tremendous force. Low and fast waves are generated in all directions across the ocean, some speeding as fast as 600 mph.

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Should we be concerned about volcanoes and earthquakes in Washington and in Asia?

Should we be concerned about volcanoes and earthquakes in Washington and in Asia?. By: lANE and rheanna. Were earthquakes are located at.

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335 views • 5 slides

Type of Boundary

3 Types of Plate Boundaries. Type of Boundary. Depends on type of crust. Trench, volcanic arcs, mtn ranges. Plate with denser oceanic lithosphere sinks ( subducted ) into the asthenosphere This crust is re-melted and recycled Trench formed where crust is destroyed.

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1.47k views • 4 slides

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