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1. Calculate the maximum deflection beneath and width of a water-filled basin surrounding an infinite line of volcanoes on an infinite (i.e., unbroken plate) with an effective elastic thickness of 20 km. The line of volcanoes constitutes a 5 km high and 50 km wide load. Use the equations for line loading from lecture 2 to calculate wo and xo.

2. Next consider a broad mountain belt that can be characterized by 5 blocks, each 20 km wide that decrease in height from the hinterland to the foreland from 5 to 1 km. Assume that these sit on an infinite plate with an effective elastic thickness of 40 km. Calculate the total subsidence in a filled sedimentary basin directly in front of the shortest block. Calculate the basin width from the front of the shortest block to the zero deflection point. You will have to use the distributed line loading approach discussed in lecture 2.