Concerns Over Sand Mining and Beaches Alterations, Chennai Coast, India
With the new Coastal Regulatory Zone (CRZ) 2011 notification, exploiting the coastline of Chennai, East of India, becomes that much more difficult. But loop holes are found everywhere, and concerns mount over sand mining and other alterations of the beaches’ natural state.
Japan Quake Caused Surprisingly Severe Soil Collapse
Near coastlines, harbors and rivers, earthquakes can make the wet, sandy soil jiggle, turning it temporarily from a solid to a liquid state, a process known as liquefaction. Japan’s soil liquefaction occurred over hundreds of miles, surprising even experienced engineers who are accustomed to seeing disaster sites, including from the recent earthquakes in Chile and New Zealand.