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Earthquakes
An earthquake is a natural hazard which occurs when the ground shakes or the violent movement of rocks. Earth's Layers Inner core Outer core Mantle Crust - large tectonic plates and not one large , smooth, continuous layer. It is the outermost and thinnest layer of the Earth and is made out of rock. The tectonic plates move, bump, and slide around causing energy build up below the plates. The energy that breaks free results in shaking of the Earth, in other words, an Earthquake. Studies are being performed to show how to reduce the damage of an earthquake and how to predict an earthquake by historical information or data.
Tropical Cyclones
Tropical Depressions; Tropical Storms; Storm Surge Tropical depressions are organized systems of clouds and thunderstorms with a defined circulation and with maximum sustained winds of 61km/hr (38mph) or less. Tropical storms are organized systems of clouds and thunderstorms with a defined circulation and with maximum sustained winds of 63 - 117 km/hr (39-73mph) or less. A storm surge is a large dome of water that sweeps across the coastline near where a hurricane makes landfall. It is often 50-100 miles wide.
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