Midterm - Jared Augenstein GEOL 101 Geohazards Midterm...

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Jared Augenstein GEOL 101 Geohazards Midterm Question 3 Tsunami can be some of the most catastrophic geological events because of their tendency to be unpredictable. Tsunamis are long, high, sea-waves caused by underwater earthquakes, landslides, or other submarine disturbances. Tsunami cannot be prevented, and until recently could not be prepared for. We have knowledge of some warning signs of tsunami, but we have no way of predicting tsunami before they occur. Tsunami are completely unavoidable, they are caused by underwater disturbances such as earthquakes, landslides or ruptures. When these disturbances occur, the sea floor is pushed upwards, and since water is not compressible, a large mass of water is pushed to the surface. Tsunami are generally unnoticed if at sea due to their enormous wavelength and the speed with which they travel. Tsunami can travel at speeds of up to 800 km/hr, and heights of over 50 meters. There is no way of predicting tsunami before they begin, but once the submarine event has occurred there are tsunami warning systems –mainly in the Pacific Ocean-
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Midterm - Jared Augenstein GEOL 101 Geohazards Midterm...

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