South Korea’s Defense Ministry believes North Korea is ready to carry out another nuclear test “at any time” at its Punggye-ri testing site, a spokesperson told reporters during a regular news briefing on Monday.

“The intelligence authorities of the United States and the South have judged the North was always ready for the additional test for now,” Defense Ministry spokesman Moon Sang-gyun said.

Last week’s nuclear test was its second of the year. An artificial earthquake with a magnitude likely over 5.0 on the Richter Scale was detected near the DPRK’s Punggye-ri testing site.

“The first nuclear test was conducted