How does a tsunami originate

Reference no: EM133363781

Questions:

1. If the magnitude of an earthquake is 0.5 greater than that oi: another, how much greater is the amount of energy it releases?

2. How does a tsunami originate? Why are tsunami ' barely noticeable over the open ocean but very dan- ' gerous near shore?

3. Describe the geographical distribution of the Earth's seismically active zones.

4. Describe with the aid of sketches the distribution of earthquakes at the three major plate boundaries:

Reference no: EM133363781

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