Describe the volcanoes of East Africa. Why is this area producing volcanoes even

Question

Describe the volcanoes of East Africa. Why is this area producing volcanoes even on an area that isn't marked as a complete boundary?

Can you find other places that have volcanoes not at convergent plate margins? How do we explain volcanoes like those given the theory of plate tectonics?

Compare the elevation on either side of oceanic convergent plate boundaries. How are they different?

Compare the elevation on either side of oceanic divergent plate boundaries. How are they different?

The Himalayan Mountains are on what type of plate boundary? Describe what is happening here to form these mountains?

Identify the area of the world (pick a country, maybe a couple countries at most) that you feel is most prone to disasters such as earthquakes, volcanoes, and tsunamis. Check out the webpage which describes one NGO's ranking of at risk countries from disasters overall http://www.air-worldwide.com/Blog/Five-Countries-Most-Frequently-Hit-by-Natural_Disasters/. Does your ID agree (why or why not? What are we missing)?

Explanation / Answer

East Africa is associated with triple junction and is known as African Rift System along which active volcanoes formed.

Volcanic activities mainly occur at two boundaries such as convergent plate boundary and divergent plate boundary. Other than convergent plate boundary, divergent boundaries are the places at which magma rises from mantle thorugh crust and leads to the formation of volcanoes.

New crust is continuously formed on either side of the mid oceanic ridge by the spreading of magma coming from mantle. Hence, approximately, equal elevations are created on eihter side of divergent plare boundary.

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