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Earthquake
What is an Earthquake?
Also known as quake, tremor or temblor
It is a sudden release of energy in the Earth's crust that creates seismic waves.
Seismic Activity
Also known as seismicity or seismism.
It is the frequency, type and size of an earthquake experienced over a period of time.
Seismometers
Instrument used to measure an earthquake.
Fault is a planar fracture or discontinuity
in a volume of rock, across which there has been significant displacement along the fractures
Epicenter is the point on the Earth's surface
that is directly above the hypocenter or focus, the point where an earthquake originates
What causes an earthquake?
Rupture of geological faults Volcanic activity Landslides Mine blasts Nuclear tests
What are the effects of an earthquake?
What are the effects of an earthquake?
Shaking and ground rupture Landslides and avalanches Fires Soil liquefaction Tsunami Floods Human impacts
How to survive an earthquake?
Prepare Be calm
How to survive an earthquake?