ERSC 1P92 Study Guide - Quiz Guide: Microsecond, Honshu, Ice Shelf
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What is the difference between the focus, hypocenter and epicenter of an earthquake? (5 marks) The focus is the central location of the earthquake, it is the point with the most energy release as that is the breaking point of the earthquake taking place. List them in order with 1 being the first to arrive and 3 the last. (5 marks) The first wave that would arrive at any location upon an earthquake would be p-waves as they are the fastest of all waves, then s-waves. Surface waves are last but just behind s-waves as they are produced with interaction of p-waves: what happens to tsunami waves as they approach a shoreline from deep water? (5 marks) After the tsunami is initiated by an earthquake, they enter an amplification phase as it enters shallower water. During this phase, the wave becomes taller in height, shorter in length, and slower in speed as the floor gets shallower.