Earthquake Liquefaction "During a strong earthquake when the ground shaking starts, the soil grains at shallow depth are sheared into a solid composition. However, due to the presence of water, the soil grains are saturated. The sand grains may turn into sand volcanoes. The sediments at the depth have a strong bond, with greater confining pressures, and are thus less probable to liquefy. When the sand under a clay or silt layer liquefies, the top layer may slide due to gravity towards a slop...
World Photo 2011: Guang Niu’s photograph of Tibetan monks preparing for the mass cremation of earthquake victims on a mountaintop in Yushu county, Qinghai province, in China.
Billy Stinson comforts his daughter Erin Stinson as they sit on the steps where their cottage once stood on August 28 in Nags Head, N.C. The cottage, built in 1903 and destroyed by Hurricane Irene, was one of the first vacation cottages built on Albemarle Sound in Nags Head.
The Animal Rescue Front (ARF) is the first responder to animals hurt and abandoned by natural disasters. They save feral cats, companion animals, pit bulls and misrepresented breeds, and special needs companion animals. Help support them if you can.
Researchers Say Social Media Eases Psychological Burden Australian researchers say Facebook and Twitter can limit the psychological damage caused by rumors during natural disasters. www.voanews.com/... Australian researchers say Facebook and Twitter can limit the psychological damage caused by rumors during natural disasters