CaseFireball1976
Grand Chain, IL, USA
UFO near nuclear plant
Report quality: Moderate48/100
This score reflects report-quality signals on file — how complete, corroborated, and precisely located the report is — not a claim about whether the sighting was a real craft.
- Duration parsed: 450s, a plausible sighting length
- Brief witness text (22 characters)
- Location geocoded exactly
- No other reports from this city within 3 days
- When
- 1976-07-01
- Where
- Grand Chain, IL, USA
- Shape
- Fireball
- Duration
- 5-10 min ?
- Geo
- 37.252, -89.023 · exact
- Slug
- fireball-over-grand-chain-il-1976-3dd861
In context
- Grand Chain, IL has 1 sightings on file here.
- 1976 brought 8 reports from Illinois.
- The 1970s skewed 2.6% fireball reports; the archive-wide figure is 6.9%.
Report
Full narrative lands with dossier import for famous cases, or the NUFORC free-text summary above for standard reports. This shell is SSR-ready: one D1 row (including connections_json) per page.