[mnehring]

Unusual image. No blast marks or debris, just a hole (deep underground explosion?) No indication of recovery operation.

[prisoner6]

That’s what I was thinking. There should be debris visible. Is it because the land scar is not related to the incident? The cloud could be anything.

[Bob]

Unusual image. No blast marks or debris, just a hole (deep underground explosion?) No indication of recovery operation.

To me, it looks like a massive sinkhole, something that you'd see on the surface that was caused by a huge subterranean collapse.