The 12 May 2008 earthquake was strong enough to damage this concrete wall in Dujiangyan.
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The 12 May 2008 earthquake was strong enough to damage this concrete wall in Dujiangyan.
Emergency medical tents were set up on street corners in Dujiangyan after the 12 May 2008 earthquake.
Emergency medical tents were set up on street corners in Dujiangyan after the 12 May 2008 earthquake.
This building, in Dujiangyan, suffered significant structural damage after the 12 May 2008 earthquake.
This building, in Dujiangyan, suffered significant structural damage after the 12 May 2008 earthquake.
The 12 May 2008 earthquake caused these buildings in Dujiangyan significant structural damage.
The 12 May 2008 earthquake caused these buildings in Dujiangyan significant structural damage.
Debris leftover from the 12 May 2008 earthquake lines the sidewalks in Dujiangyan.
Debris leftover from the 12 May 2008 earthquake lines the sidewalks in Dujiangyan.
The 12 May 2008 earthquake was strong enough to destroy these buildings in Dujiangyan.
The 12 May 2008 earthquake was strong enough to destroy these buildings in Dujiangyan.
A NOAA image of the bathymetry north of Puerto Rico. Two ancient submarine landslides are visible as head scarps (labeled Loiza and Arecibo Amphitheaters). Seafloor fissures are indicated by black arrows, and dashed lines outline debris flows from past failures. Map annotated by Uri ten Brink, USGS
A NOAA image of the bathymetry north of Puerto Rico. Two ancient submarine landslides are visible as head scarps (labeled Loiza and Arecibo Amphitheaters). Seafloor fissures are indicated by black arrows, and dashed lines outline debris flows from past failures. Map annotated by Uri ten Brink, USGS
Landslide debris on the west fork of the Gakona Glacier. Note helicopter on right for scale! View to east.
Landslide debris on the west fork of the Gakona Glacier. Note helicopter on right for scale! View to east.
View northward of mountain near Gillette Pass showing sackung features. Here the mountaintop moved downward like a keystone, producing an uphill-facing scarp. The main Denali fault trace is on the far side of the mountain and a small splay fault is out of view below the photo.
View northward of mountain near Gillette Pass showing sackung features. Here the mountaintop moved downward like a keystone, producing an uphill-facing scarp. The main Denali fault trace is on the far side of the mountain and a small splay fault is out of view below the photo.
The Denali fault offset crevasses on the Canwell Glacier.
The Denali fault offset crevasses on the Canwell Glacier.
Right steps in the Denali fault trace on the Canwell Glacier caused large rhombehedral chasms to form. Patty Craw in background. This photo was on the front page of the Anchorage Daily News.
Right steps in the Denali fault trace on the Canwell Glacier caused large rhombehedral chasms to form. Patty Craw in background. This photo was on the front page of the Anchorage Daily News.
View south along the Trans Alaska Pipeline in the zone where it was engineered for the Denali fault. The fault trace passes beneath the pipeline between the 2nd and 3rd slider supports at the far end of the zone. A large arc in the pipe can be seen in the pipe on the right, due to shortening of the zigzag-shaped pipeline trace within the fault zone.
View south along the Trans Alaska Pipeline in the zone where it was engineered for the Denali fault. The fault trace passes beneath the pipeline between the 2nd and 3rd slider supports at the far end of the zone. A large arc in the pipe can be seen in the pipe on the right, due to shortening of the zigzag-shaped pipeline trace within the fault zone.
Helicopters and satellite phones were integral to the geologic field response. Here, Peter Haeussler is calling a seismologist to pass along the discovery of the Susitna Glacier thrust fault. View is to the north up the Susitna Glacier. The Denali fault trace lies in the background where the two landslides can be seen.
Helicopters and satellite phones were integral to the geologic field response. Here, Peter Haeussler is calling a seismologist to pass along the discovery of the Susitna Glacier thrust fault. View is to the north up the Susitna Glacier. The Denali fault trace lies in the background where the two landslides can be seen.
Peter Haeussler measures offset of the Susitna Glacier thrust fault.
Peter Haeussler measures offset of the Susitna Glacier thrust fault.
The Susitna Glacier thrust fault southwest of the toe of the Susitna Glacier. The rolled over tundra reflects the fault trace.
The Susitna Glacier thrust fault southwest of the toe of the Susitna Glacier. The rolled over tundra reflects the fault trace.
View southward toward Mt. McGinnis and two large landslides on the northeastern side. These slides had roughly 40 million cubic meters of material and travelled 10 km down glacier. This is the cover photo of the May 16th, 2003, Science.
View southward toward Mt. McGinnis and two large landslides on the northeastern side. These slides had roughly 40 million cubic meters of material and travelled 10 km down glacier. This is the cover photo of the May 16th, 2003, Science.
Peter Haeussler examining the Denali fault trace on the Susitna Glacier to find matching ice surfaces to determine amount of fault offset.
Peter Haeussler examining the Denali fault trace on the Susitna Glacier to find matching ice surfaces to determine amount of fault offset.
The fault scarp created a waterfall in the transition region between the Denali fault and the Totschunda fault.
The fault scarp created a waterfall in the transition region between the Denali fault and the Totschunda fault.
Peter Haeussler prepares to measure the offset of a crevasse on the Canwell Glacier.
Peter Haeussler prepares to measure the offset of a crevasse on the Canwell Glacier.
The fault scarp created a waterfall in the transition region between the Denali fault and the Totschunda fault.
The fault scarp created a waterfall in the transition region between the Denali fault and the Totschunda fault.
Bone Creek, 5.5 meter offset measured here. The fault trace runs along the sharp bank edge at the right of the photo, from the bottom center toward the upper right.
Bone Creek, 5.5 meter offset measured here. The fault trace runs along the sharp bank edge at the right of the photo, from the bottom center toward the upper right.