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Apparently the blast was so powerful it was picked up by US Geological Survey equipment which is built to detect earthquakes. http://www.theguardian.com/world/
by jeo1234 11y ago
Apparently the blast was so powerful it was picked up by US Geological Survey equipment which is built to detect earthquakes.
http://www.theguardian.com/world/2015/aug/12/china-explosion-earthquake-recording-instruments-beijing http://www.theguardian.com/world/2015/aug/12/china-explosion...
- nitrogen 11y agoThose systems (or ones like them) are also meant to detect weapons tests, so it appears they are doing their job.