Arches National Park, UT, USA
Four continuous distinct rectangular colors of light (red, blue, white, yellow) moving across the craft left to right.
Report quality: Moderate51/100
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: 600s, a plausible sighting length
- Moderate witness text (118 characters)
- Location geocoded exactly
- No other reports from this city within 3 days
- When
- 1978-08-24
- Where
- Arches National Park, UT, USA
- Shape
- Rectangle
- Duration
- 10 minutes
- Geo
- 38.723, -109.586 · exact
- Slug
- rectangle-over-arches-national-park-ut-1978-eb8fc5
Part of a wave
Colares & Operação Prato
Ilha de Colares and the Baixo Amazonas, Pará, Brazil
The most physically aggressive wave on record. Luminous objects — locals called them 'chupa-chupa' (sucker-sucker) — descended nightly over fishing villages, projecting beams that left burns, puncture marks, anemia and…
In context
- Arches National Park, UT has 4 sightings on file here.
- 1978 brought 2 reports from Utah.
- The 1970s skewed 2.3% rectangle reports; the archive-wide figure is 1.7%.
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.