Foreshocks are smaller temblors that strike in the days and hours before a moderate-to-large earthquake. They’re puzzling. Not all earthquakes have foreshocks, and despite decades of effort, no one has successfully found a way to predict earthquakes using foreshocks.
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Update news
Showing posts with label Science. Show all posts
Showing posts with label Science. Show all posts
Monday, 1 April 2013
Foreshocks predict earthquakes!
Foreshocks are smaller temblors that strike in the days and hours before a moderate-to-large earthquake. They’re puzzling. Not all earthquakes have foreshocks, and despite decades of effort, no one has successfully found a way to predict earthquakes using foreshocks.
Wednesday, 27 March 2013
New radiation ring around earth
High
above Earth’s surface float two rings of energetic charged particles, and for
about four weeks in September, they were joined by a third. The temporary ring
may have formed in response to a solar shock wave that passed by Earth,
researchers report online February 28 in Science.
The discovery could force scientists to revisit decades of ideas about the structure of the Van
The discovery could force scientists to revisit decades of ideas about the structure of the Van
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