Two types of earthquakes

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Refers to a fracture, fissure or a zone of weakness where movement or displacement has occurred or may occur again

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A disruptive up-down and sideways movement or motion experienced during an earthquake.

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Displacement on the ground due to movement of fault.

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Sea waves resulting from the disturbance of ocean floor by an earthquake.

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A process that transforms the behavior of a body of sediments from that of a solid to that of a liquid when subjected to extremely intense shaking.

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Two kinds of Tsunami

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Are confined to coasts within a hundred kilometers of the source usually earthquakes and a landslide or a pyroclastic flow

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Can travel from 1 to 24 hours before reaching the coast of the nearby countries.

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Natural signs of an impending tsunami

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Are stream-like flows of incandescent molten rock erupted from a crater or fissure.

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Are showers of airborne fine- to coarse-grained volcanic particles that fallout from the plumes of a volcanic eruption.

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Are turbulent mass of ejected fragmented volcanic materials (ash and rocks), mixed with hot gases (200oC to 700oC to as hot as 900oC) that flow downslope at very high speeds (>60kph).

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Are rapidly flowing thick mixture of volcanic sediments (from the pyroclastic materials) and water, usually triggered by intense rainfall during typhoons, monsoons and thunderstorms.

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Gases and aerosols released into the atmosphere, which include water vapor, hydrogen sulfide, sulfur dioxide, carbon monoxide, hydrogen chloride, hydrogen fluoride

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Massive collapse of a volcano, usually triggered by an earthquake or volcanic eruption.

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Are Volcanic materials directly ejected from the volcano’s vent with force and trajectory

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Sea waves or wave trains that are generated by sudden displacement of water (could be generated during undersea eruptions or debris avalanches)

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