[Captain Compassion]

It was 10 kilometers underground, the U.S. Geological Survey said. The deepest mine in the world is 3.9 km deep. Doubt it was a nuke.

[struggle]

Supposedly it was marked 0K - zero kilometers.

[Reno89519]

Where do you see 10km? Their site still says 0.0km. Maybe it was 10 on initial report, then revised to 0.0km when they upgraded the magnitude from M5.6 to M6.3.

[Reno89519]

Here is more details from USGS, confirming 0.0km with +/- 1.7 uncertainty: https://earthquake.usgs.gov/earthquakes/eventpage/us2000aert#origin