[Hardastarboard]

Isn’t the seismic trace of an underground nuke detonation clearly distinguishable from that of an earthquake?

I'm certainly no expert, but the answer to that has almost got to be yes.

[wolf78]

A few examples from Wikipedia:



French nuke test (4.8 Richter scale, notice the relatively short duration)



Heavy earthquake (7.3 Richter scale)



Worldwide distribution of earthquakes (notice the location of Iran)

Trying to sell a minor earthquake as a nuclear test is just publicly confessing you're stupid.