The fatality must be caused by the immediate effects of the detonation, so a fatality caused by things like fallout, rioting, or climate effects will not count towards a positive resolution.
Any detonation of a nuclear weapon, whether test or non-test, deliberate or inadvertent or accidental, would count towards question resolution.
Detonation here means nuclear explosion. If a conventional explosion occurs but no nuclear explosion (for example, a dirty bomb that distributes radioactive material with a conventional explosion), that does not count. If a nuclear weapon were launched but the nuclear weapon did not detonate, that would not count as detonation.
UTC time
Previous similar markets:
/jack/will-a-nuclear-weapon-detonation-ca-1f2e9a9515f4
/EvanDaniel/will-nuclear-weapons-cause-at-least
/EvanDaniel/at-least-one-fatality-from-nuclear
Related:
1,000