Indian satellite can predict quakes globally
- From: alan@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx (Alan)
- Date: Fri, 10 Feb 2006 17:42 +0000 (GMT Standard Time)
http://www.rediff.com/news/2006/feb/09irs.htm
The Indian remote sensing satellite (IRS) has shown the potential for mapping
the stress field of the earth's crust that will help to predict areas where
powerful earthquakes are most likely, a leading geologist has said.
"We have shown how remote sensing data can be used in the estimation of stress
that will be very useful in evaluating the most seismic vulnerable zone across
the globe," Professor Ramesh Singh of the Indian Institute of Technology, Kanpur
said.
He has reported his work in the prestigious journal Geophysical Research Letter
published by the American Geological Society.
Singh and his colleagues used as a test case the Bhuj earthquake in Gujarat that
occurred on January 26, 2001. They compared the data obtained from the LISS-III
camera on board IRS-1D before and after the earthquake. They report that the
study has clearly shown changes in the stress direction after the main
earthquake.
"The present results show the use of lineaments derived from remote sensing data
in the evaluation of seismic hazards of any region and will be useful in
updating world stress map," they said.
"Understanding of seismicity requires good knowledge of the nature and
distribution of stress field in the earth's crust," Singh told PTI.
Lineaments represent tectonic structures that are identified in remote sensing
images. Singh said the Bhuj earthquake produced large surface deformations that
could be easily mapped using remote sensing data.
"The present results confirm that the lineaments are related to fractures and
faults and their orientation and density give an idea about the fracture pattern
of rocks," Singh said.
Future satellite study of lineaments throughout the world may yield further data
on stress field orientation and add to the existing World Stress Map, Singh
said.
http://www.rediff.com/news/2006/feb/09irs.htm
I guess that with Indian satellite technology so advanced, Brian is now out of
business with his earthquake predictions.
Alan
http://www.veloceraptor.free-online.co.uk/enigma.html
http://veloceraptor.blogspot.com/
http://www.bushflash.com/pl_lo.html
.
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