NPR: Here’s How Big North Korea’s Latest Nuclear Test Actually Was

September 8, 2017

NPR News:

“When North Korea conducted its latest nuclear test, the ground trembled more than 3,000 miles away in western Kazakhstan. Recording the shaking was AS059, an automated seismic station that’s part of a global network designed to detect underground nuclear explosions.

The network is run by the Comprehensive Nuclear-Test-Ban Treaty Organization(CTBTO), a U.N.-affiliated group devoted to monitoring for illicit nuclear tests. While the test ban treaty itself is not yet in force, the United States and other nations fund the monitoring network.”

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