Video of Car Swallowed by Sinkhole Related to Tunneling in Cairo, Egypt
Project Related
Allentown PA arena will use micropiles to mitigate sinkholes
An arena being built for the Philadelphia Flyers’ minor league affiliate hockey team will be founded on micropiles to mitigate possible sinkhole problems in the limestone bedrock. The arena in located at the site of […]
Miscellaneous
Video: Plotting Strike & Dip Symbols in Google Earth using RockWorks
This video shows a very cool way of representing strike and dip measurements in Google Earth using a RockWorks tool.
Geologic Hazards
What Would a Large Earthquake Do to Downtown L.A.?
From the USGS Newsroom:
USGS scientist Ken Hudnut fills us in on how science created the theoretical magnitude 7.8 earthquake behind the Great Southern California ShakeOut—the largest earthquake preparedness drill in U.S. history, coming Nov. 13—and what such an earthquake would do to downtown Los Angeles.
Seems like they did it right wiith this study. They had multiple teams independenlty come up with the ground shaking model, then had different structural engineers who are experts in seismic design of large buildings review the tall buildings in the L.A. area for the design earthquake. They say that buildings would likely come down in the 7.8 magnitude event. Click through to watch the video interview from the USGS.