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News Release 12-023

3-D Laser Map Shows Earthquake Zone Before and After

Geologists learn how earthquakes change the landscape--down to a few inches

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3-D map of post-earthquake topography showing Mexico's Pescadores Fault cutting along a ridge.

Post-earthquake topography shows Mexico's Pescadores Fault cutting along a ridge.

Credit: Michael Oskin et al., www.keckcaves.org


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3-D map of fault surface ruptures in black marking breaks in the Earth's crust.

Mapped fault surface ruptures (black lines) mark breaks in the Earth's crust.

Credit: Michael Oskin et al., www.keckcaves.org


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3-D map showing faults slicing the ground and offsetting the desert floor around the Borrego Fault.

Small faults slice the ground and offset the desert floor around Mexico's Borrego Fault.

Credit: Michael Oskin et al., www.keckcaves.org


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3-D post-quake rendering showing earthquake surface ruptures cutting and warping the ground.

Earthquake surface ruptures cut and warp the ground in this 3-D post-quake rendering.

Credit: Michael Oskin et al., www.keckcaves.org


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Aerial photo showing agricultural fields and canals of Colorado River delta after the earthquake.

Agricultural fields and canals of the Colorado River delta after the earthquake.

Credit: Michael Oskin et al., www.keckcaves.org


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Photo showing a scarp offsetting the ground along a fresh rupture of the Borrego Fault.

A scarp dramatically offsets the ground along a fresh rupture of the Borrego Fault.

Credit: Michael Oskin et al., www.keckcaves.org


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Cover of the February 10, 2012 issue of the journal Science.

The researchers' work is described in the February 10, 2012 issue of the journal Science.

Credit: Copyright AAAS 2012


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