Strain meters measuring seismic slip at Parkfield

Strain meters measuring seismic slip at Parkfield

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Credit: DAVID PARKER/SCIENCE PHOTO LIBRARY

Caption: Parkfield earthquake prediction experiment. Strain meters measuring seismic slip on the San Andreas fault at Parkfield, California. Seismologists have predicted that an earthquake of around magnitude 6 will occur at Parkfield before 1993 and dozens of researchers are studying the area. The black "dustbin" in the foreground is the cap of a 200- metre well containing a strain meter belonging to the University of Queensland. The nearby solar panel provides energy & the antenna transmits the data via satellite. In the background is a second strain meter owned by the Carnegie Institute. The meters can detect slips of as little as a few millimetres over an area of 25 square kilometres.

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Keywords: earthquake, earthquake prediction, earthquakes, measurement of, parkfield, parkfield quake experiment, san andreas fault, seismic slip, seismology, strain meter

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