Stanford nuclear scientist Siegfried Hecker, the former director of the Los Alamos National Laboratory and Frank Pabian, a geospatial information analyst at LANL, used open-source technology to recalculate the epicenters of two nuclear tests by North Korea.
They believe Pyongyang is capable of carrying out a third within a matter of weeks. Whether the North is willing to pay the political costs of another test remains open to debate.
Their study was published in the Bulletin of the Atomic Scientists. Pabian was a recent visiting scholar at Stanford’s Center for International Security and Cooperation, where Hecker is a co-director.
In an interview, Hecker answered questions about the current state of nuclear affairs in North Korea: