[TXnMA]

Here's an update of my early-this-morning post -- showing the NK nuke test seismic signal at four surrounding seismograph sites -- now timed to show the full sweep of the peak signals:

I've been monitoring these four seismographs (listed in order of nearness to the NK test site) for several months:

1. "MDJ" -- (Mudanjiang, Heilongjiang Province, China)

2. "INCN" -- (Inchon, Republic of [South] Korea)

3. "MAJO" -- (Matsushiro, Japan)

4. "BJT" -- (Baijiatuan, Beijing, China)
   

   The four seismograms above are laid out corresponding to the geographic locations of the four seismograph stations.

   The times of arrival of the initial seismic waves at the four surrounding seismographs allows precise location of the event. Unfortunately these are "vertical axis" seismographs only, so, detailed analysis cannot be done with (only) these signals...

   But, the group of four signals was published here on FR -- first...

[reardensteel]

News reports are now saying the administration is saying it will be taking some unspecified military action shortly.

[Robert A Cook PE]

Thank you. Sobering.

I don’t know the MegaTons/Earthquake level ratio by heart, but 6.5 is large bomb.