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Future soil liquefaction may be prevented by lowering the groundwater levels. Earthquake details: M 2. The quake, which might be volcanic in origin, was located at a depth of 13.0 km depth at 16 km distance NNW from the volcano. Note: Because of minimal operations during the holidays and upcoming Western new year, there won’t be any preview releases for the month of December 2018.
#Earth guake in alsbama 12 dec 2018 windows 8.1
Understanding what mechanisms caused the landslides is important for future reconstruction and mitigation measures. A magnitude 2.8 earthquake occurred at the volcano 10 hours ago. December 11, 2018KB4471322 (Security-only update) Windows 8.1 Windows Server 2012 R2. In quick clay, if exposed to sudden deformations (like during an earthquake) changes of electric charges cause a collapse of the framework of mineral grains. The water acts as a lubricant and decreases coherency of the ground. During soil liquefaction, the open pores in the soil collapse, squeezing water out from the ground. 12 (USGS) 564 shares By Ivana Hrynkiw Two early-morning earthquakes in Tennessee could be felt in parts of northern. Violent eruption of Mount Semeru in Indonesia Locals flee 40,000ft cloud of ash that plunged parts of the island of Java into darkness. Quick-clay can also cause landslides, even if the mechanism is slightly different as in soil liquefaction. Two earthquakes in Tennessee could be felt in Alabama on Dec. Sudden and spectacular Semeru eruption kills 13 and injures 57 as rescuers are still searching villages blanketed in molten ash for survivors. Such deposits often contain also layers of quick-clay, very fine mud composed of clay minerals. According to geological surveys, the area around Palu is composed of marine and fluvial sediments, deposited in the former bay by the sea and rivers. Liquefaction occurs mostly in sandy soil with high groundwater levels. Soil liquefaction is often observed during an earthquake, for a general overview I recommend this article by geologist Robin Andrews. In the village of Petobo, south of Palu, hundreds of houses "were swallowed by the ground," as survivors described the disaster.