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Images
Earthquake Hazards Program images.
Filter Total Items: 568
Ground Photo of Fault
Ground Photo of Fault
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Ground Photo of Fault
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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.
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.
Aerial Photo of the Surface Rupture
Fracture cutting across the countryside (left to right) such that the fault scarp is lit up by the sun, appearing as a bold white line.
Fracture cutting across the countryside (left to right) such that the fault scarp is lit up by the sun, appearing as a bold white line.
Aerial Photo of the Surface Rupture
View towards south across Lavic Lake, with the surface rupture running from lower right to upper left. In the middle distance on the right is an ancient lava flow.
View towards south across Lavic Lake, with the surface rupture running from lower right to upper left. In the middle distance on the right is an ancient lava flow.
Ground Photo of Fault
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Ground Photo of Fault
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Aerial Photo of the Surface Rupture
Splaying of fractures viewed from above.
Splaying of fractures viewed from above.
Aerial Photo of the Surface Rupture
Splayed fractures running through loose alluvium.
Splayed fractures running through loose alluvium.
Aerial Photo of the Surface Rupture
'Apparent' vertical displacement and scarps caused by mainly lateral slip.
'Apparent' vertical displacement and scarps caused by mainly lateral slip.
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.
Downward view onto gullies, gravel bar, and other laterally offset features. Here slip appears to be about 2 meters.
Ground Photo of Fault
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Ground Photo of Fault
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Ground Photo of Fault
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Ground Photo of Fault
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Ground Photo of Fault
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Ground Photo of Fault
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Spectral Accelerations (Youngs et al., 1997)
Predicted Spectral Accelerations by the Youngs et al. (1997) Attenuation Relationship
Predicted Spectral Accelerations by the Youngs et al. (1997) Attenuation Relationship
Ring of Fire
The "Ring of Fire", also called the Circum-Pacific belt, is the zone of earthquakes surrounding the Pacific Ocean- about 90% of the world's earthquakes occur there. The next most seismic region (5-6% of earthquakes) is the Alpide belt (extends from Mediterranean region, eastward through Turkey, Iran, and northern India.
The "Ring of Fire", also called the Circum-Pacific belt, is the zone of earthquakes surrounding the Pacific Ocean- about 90% of the world's earthquakes occur there. The next most seismic region (5-6% of earthquakes) is the Alpide belt (extends from Mediterranean region, eastward through Turkey, Iran, and northern India.
Oceanic Spreading
An oceanic spreading ridge is the fracture zone along the ocean bottom where molten mantle material comes to the surface, thus creating new crust. This fracture can be seen beneath the ocean as a line of ridges that form as molten rock reaches the ocean bottom and solidifies.
An oceanic spreading ridge is the fracture zone along the ocean bottom where molten mantle material comes to the surface, thus creating new crust. This fracture can be seen beneath the ocean as a line of ridges that form as molten rock reaches the ocean bottom and solidifies.