Caption: Computer simulation of wave propagation during an earthquake. The earthquake begins when two tectonic plates suddenly move past each other. One plate is orange, and in the other the rock is represented by a block of spheres connected with springs. Earthquakes generate several different types of wave, including body waves that move through the rock and surface waves at its surface. Body waves are the fastest, and P waves are the fastest body waves. These are longitudinal compression waves that travel through rock as sound does through air. The earthquake also generates transverse waves called S waves, where the movement is perpendicular to the direction of the wave's travel. Surface waves are slower still, but are far more destructive than the body waves within the Earth. As body waves arrive at a location significantly earlier than surface waves, in some cases they can be used to provide a warning of the arrival of the damaging ground shaking seen in earthquakes.

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Keywords: acoustic, acoustics, body, compression, damage, damaging, displacement, earth, fault, geographical, geography, geological, geology, ground, inside, interior, internal, land, longitudinal, natural disaster, p wave, p-wave, physical, physics, planet, plate, plates, pressure, primary, rock, s wave, s-wave, secondary, shake, shaking, shock, sonic waves, sound, structure, surface, tectonic, tectonics, transverse, wave, waves

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Earthquake simulation

K003/8373 Rights Managed

Downloadable master

Duration: 00:00:30

Frame size: 1920x1080

Frame rate: 25

Audio: No

Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 1.5G


Capture format: QuickTime Animation

Codec: Photo - JPEG

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