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Old 04-27-2018, 12:52 PM
ElvisL1ves is offline
Charter Member
Join Date: Jul 2000
Location: The land of the mouse
Posts: 50,127
It's easy to say you're not going to test anymore when you can't.
North Korea's nuclear test in September last year was so strong that it caused an on-site collapse at the test site, geologists in China claim.

Using high-quality seismic data to pinpoint the location of several tremors that followed the test, the researchers determined that one event 8.5 minutes after the nuclear test was in fact the cavity caused by the blast collapsing.