Natural disasters, Please i want some help with those two question. more details

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Natural disasters, Please i want some help with those two question. more details and put number of question you answering. thanks

1.     a.   Explain what a tsunami is and how the one associated with the Japan March 11, 2011

                Earthquake was initiated, what event set it in motion

                b.   What other events can cause a tsunami?

                c.   How does the shape of the coastline determine the impact that an incoming tsunami can have?

d. What do we know about how many waves will be produced, which is the largest wave, how far apart they will be from each other time-wise or distance-wise)?

e.   How does a tsunami travel in the open ocean with respect to its speed and size as a wave?

f.   How does a tsunami behave as a mass as it approaches shore along a linear coast line, with

                gently sloping upward ocean bottom and beach towards that shoreline?

2.     Go to the U.S. Geological Survey website (http://www.usgs.gov) and search their site on the search engine provided there for the following: Japan Earthquake, March 11, 2011.   Write a brief half page summary of what happened that set off the earthquake and tsunami event of this date.  

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