[RayChuang88]

However, I’m sure we have a lot of seismic sensors along the DMZ that can detect underground movements through tunnels. Moving trucks, tracked vehicles and even large numbers of troops will set off these sensors in no time flat.

[The Magical Mischief Tour]

I think the problem is that the level of activity in those tunnels is fairly high and constant.

[SevenofNine]

Rayy hey honey yup they got signal about it on South Korea part

More report of evacatuion AGAIN

SkyNews Sky News
Artillery Reports: S Korean Island Evacuated http://bit.ly/evcxZ0
3 minutes ago Favorite Retweet Reply

[Polynikes]

Here is the Inchon Seismograph. No unusual activity at this time
http://aslwww.cr.usgs.gov/Seismic_Data/telemetry_data/INCN_24hr.html

[xkaydet65]

We didn’t detect 8ft diameter tunnels bringing weed and wetbacks from Tiajuana to San Diego.