Part 1) Which of the following locations would you expect to find the hypocenter

Question

Part 1) Which of the following locations would you expect to find the hypocenter of really deep earthquakes (depth greater than 300 km, so into the mantle)?

Part 2)Which of the following locations would you expect to have shallow earthquakes (less than 20 km depth) on the topographical feature that indicates the plate boundary? Select all of the locations that apply.

Part 3)Which of the following locations would earthquakes be an uncommon event? Select all that apply

Part 4) Which of the following locations would volcanoes or fissures with mafic magmas be a common event? Select all that apply

Part 5)Which of the following locations would volcanoes with intermediate or felsic magmas be a common event? Select all that apply

Part 6)Which of the following locations would volcanic activity (volcanoes or fissures) be an uncommon event? Select all that apply

Explanation / Answer

Part a:

Answer: none of locations given in the figure is prone to occurance of deep focus earthquake as deep focus earthquakes occurs along the subduction zones.

Part b:

Answer: Location 3 is expected to have shallow focus earthquakes as its is a spreading ridge or we can say that divergent boundary. At divergent boundary, the crust is thin and hence the depth of the focus of the earthquake is shallow less than 20 km

part 3:

Answer: At location no. 1, 2, 4, 5 , earthquakes are the uncommon events.

Part 4:

Answer:location no. 3 would be a common event for the volcano having mafic magma.

Part 6:

Answer:At location no. 1, 2, 4, 5 , volcanic activity is uncommon.

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