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Saturday 23 September 2017

Reports disagree whether North Korea quake was man-made

The tremor occurred at 5:29 p.m., some 20 kilometers southeast of the country's Punggye-ri nuclear test
A 3.0 magnitude earthquake detected near North Korea's nuclear test site Saturday is presumed to have been a natural quake, South Korea's weather agency said.


The tremor occurred at 5:29 p.m., some 20 kilometers southeast of the country's Punggye-ri nuclear test in the northeastern province where the North conducted its sixth nuclear test on Sept. 3, according to the Korea Meteorological Administration.

"The quake has been analyzed to have occurred naturally," an agency official said. "A sound wave, which is usually generated in the event of an artificial earthquake, was not detected."

The Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO) said that it detected two seismic events in North Korea, but they were "unlikely (to have been) man-made."

But Japan's Kyodo News earlier reported that a 3.4 magnitude earthquake was detected at a depth of zero kilometers near the North's nuke test site, citing China's quake agency.

It said that it was thought to be an artificial quake caused by a "suspected explosion."
 [upi.com]
 23/9/17
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Magnitude mb 3.8
Region NORTH KOREA
Date time 2017-09-23 08:29:14.8 UTC
Location 41.29 N ; 129.12 E
Depth 5 km
Distances
354 km SE of Jilin, China / pop: 1,882,000 / local time: 16:29:14.8 2017-09-23
78 km SW of Ch’ŏngjin, Korea, Democratic People's Republic of / pop: 327,000 / local time: 16:59:14.8 2017-09-23
27 km E of Sŭngjibaegam, Korea, Democratic People's Republic of / pop: 11,800 / local time: 16:59:14.8 2017-09-23
 [emsc-csem.org]
 23/9/17

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