— Mikael Thalen (@MikaelThalen) September 3, 2017
“Any threat to the United States or its territories, including Guam, or our allies, will be met with a massive military response,” Mattis said. “A response both effective and overwhelming.”
Sunday’s nuclear test, which produced a 6.3 magnitude earthquake, is believed by Chinese scientists to have caused a cave-in at the Punggye-ri underground nuclear test site – fueling fears of a possible leak of radiation.
Only hours prior Pyongyang released photographs of the alleged hydrogen bomb, designed for the country’s Hwasong-14 intercontinental ballistic missile.
“The H-bomb, the explosive power of which is adjustable from tens kiloton to hundreds kiloton, is a multi-functional thermonuclear nuke with great destructive power which can be detonated even at high altitudes for super-powerful EMP attack according to strategic goals,” Korean Central News Agency (KCNA), the country’s state-run media outlet, said.
According to The Diplomat’s Ankit Panda, U.S. government sources say the intelligencecommunity estimate the nuclear device released 140 kilotons of TNT equivalent.
“[T]he device was either a boosted fission device or, as North Korea claimed in its state media, a two-stage thermonuclear bomb,” Panda writes. “It’s unclear if the device test was the specific device North Korea showed in photographs prior to its test on Sunday.”
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