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1999 Hector Mine Earthquake

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Aerial Photo of the Surface Rupture
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Location: CA, USA
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Aerial Photo of the Surface Rupture
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Location: CA, USA
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Ground Photo of the Surface Rupture
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Location: CA, USA
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Aerial Photo of the Surface Rupture
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Location: CA, USA
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Aerial Photo of the Surface Rupture
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Location: CA, USA
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Aerial Photo of the Surface Rupture
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Location: CA, USA
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Aerial Photo of the Surface Rupture
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Location: CA, USA
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Looking towards NW across Lavic Lake, rupture passing from lower right, stepping out toward upper left; NW end of the surface rupture is in the distance on the far side of Lavic Lake....
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Aerial Photo of the Surface Rupture
Looking towards NW across Lavic Lake, rupture passing from lower right, stepping out toward upper left; NW end of the surface rupture is in the distance on the far side of Lavic Lake....
Location: CA, USA
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Cracks on far side of wash; called 'en-echelon' breaks where they step sideways....
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Aerial Photo of the Surface Rupture
Cracks on far side of wash; called 'en-echelon' breaks where they step sideways....
Location: CA, USA
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Splaying of fractures viewed from above....
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Aerial Photo of the Surface Rupture
Splaying of fractures viewed from above....
Location: CA, USA
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Southeast of maximum displacement site. Here we see 3-4 meters of right-lateral slip have offset a ridge and created a 'shutter' ridge blocking flow in the dry creek channel. The white vertical surface is the fault scarp....
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Aerial Photo of the Surface Rupture
Southeast of maximum displacement site. Here we see 3-4 meters of right-lateral slip have offset a ridge and created a 'shutter' ridge blocking flow in the dry creek channel. The white vertical surface is the fault scarp....
Location: CA, USA
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Fractures crossing a wash....
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Aerial Photo of the Surface Rupture
Fractures crossing a wash....
Location: CA, USA
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View right along the main rupture zone, and also visible is a subsidiary fracture from lower-right corner coalescing with the main break in the middle distance....
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Aerial Photo of the Surface Rupture
View right along the main rupture zone, and also visible is a subsidiary fracture from lower-right corner coalescing with the main break in the middle distance....
Location: CA, USA
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View downward onto vehicle tracks crossing the fault at a high angle. One can see 2.5 to 3.5 meeter right-lateral displacement of the tracks....
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Aerial Photo of the Surface Rupture
View downward onto vehicle tracks crossing the fault at a high angle. One can see 2.5 to 3.5 meeter right-lateral displacement of the tracks....
Location: CA, USA
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Fracture running along hillside in low-relief topography with offset gullies and tracks....
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Aerial Photo of the Surface Rupture
Fracture running along hillside in low-relief topography with offset gullies and tracks....
Location: CA, USA
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Ground view along surface rupture, showing the fracturing of the soil and how pieces have been pushed up within the fault zone....
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Aerial Photo of the Surface Rupture
Ground view along surface rupture, showing the fracturing of the soil and how pieces have been pushed up within the fault zone....
Location: CA, USA
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Subparallel breaks coalesce on face of hill (in shadow) and form a single rupture heading off to the upper left....
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Aerial Photo of the Surface Rupture
Subparallel breaks coalesce on face of hill (in shadow) and form a single rupture heading off to the upper left....
Location: CA, USA
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Downward view onto gullies, gravel bar, and other laterally offset features. Here slip appears to be about 2 meters....
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Aerial Photo of the Surface Rupture
Downward view onto gullies, gravel bar, and other laterally offset features. Here slip appears to be about 2 meters....
Location: CA, USA
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Rupture cutting across the countryside in loose alluvium....
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Aerial Photo of the Surface Rupture
Rupture cutting across the countryside in loose alluvium....
Location: CA, USA
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Breaks cutting alluvium, nicely lit....
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Aerial Photo of the Surface Rupture
Breaks cutting alluvium, nicely lit....
Location: CA, USA
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Page Last Modified: Wednesday, January 09, 2013