Friday 11 September 2015

India and 26 Countries to Develop Earthquake predicting technology

India in collaboration with 26 countries will study earth’s tectonic movements to build a earthquake warning system.
India will also launch a satellite by 2019 which will send images of surface displacement up to the accuracy of few centimeters.
When an earthquake occurs, there are chemical changes in the earth’s crust. So these changes will be studies by sensors that are put in deep bore wells.
Other instances:
The first such study was made in China, in 1976, and another, more thorough one was conducted after the Kobe quake in 1995. However, both these study suffered due to lack of data.
In 2014, geologists from Iceland, Sweden and Saudi Arabia has found changes in groundwater chemicals prior to earthquakes.
In this study, geologists analyzed groundwater samples every week for the five year period 2008-2013 from a well in Iceland, a place with a history of earthquakes. They found that six months prior to a 5.6 magnitude earthquake in 2012 and again just prior to another 5.5 magnitude earthquake in 2013, hydrogen and sodium levels in the water increased a significant level.

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