CaseFlash1998
Denver, CO, USA
Humming then a loud subsonic boom or explosion
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: 1800s, a plausible sighting length
- Brief witness text (46 characters)
- Location geocoded exactly
- No other reports from this city within 3 days
- When
- 1998-05-21
- Where
- Denver, CO, USA
- Shape
- Flash
- Duration
- 30 minutes
- Geo
- 39.739, -104.985 · exact
- Slug
- flash-over-denver-co-1998-93478e
In context
- This is one of 317 reports logged in Denver, CO.
- This case is one of 64 Colorado reports filed in 1998.
- Flash craft made up 1.3% of 1990s reports, vs 1.7% across the whole archive.
Nearby in space & time
within 30 daysReport
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.