This is an archive of AGU's GeoSpace blog through 1 July 2020. New content about AGU research can be found on Eos and the AGU newsroom.

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19 February 2013

Detecting nuclear explosions – plus meteors, tsunamis, and more

It was a busy week for the seismometers, ocean-monitoring acoustic stations and other instruments associated with the preparatory commission for the Comprehensive Nuclear-Test-Ban Treaty Organization – or CTBTO – monitoring rogue nuclear tests worldwide. At the American Association for the Advancement of Science (AAAS) meeting in Boston on Sunday, researchers showed that the 288-instrument CTBTO array can tackle scientific research as well as nuclear detective work.


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21 December 2010

New York state’s hidden secret: A subterranean impact crater

I’ve heard of stealth bombers and stealthy ninjas and even a super-sneaky magnitude 8 earthquake, but until today I hadn’t heard about stealth craters: large features, more than three kilometers across and more than 300 meters deep– definitely big enough to be obvious, one would think.

But not if it’s buried. One such crater lurks 1.2 kilometers underground in New York’s Finger Lakes Region. Located near Syracuse and close to the Bear Swamp National Forest, the crater is completely invisible from the surface.


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