CaseTriangle1990
Maryland, MD, USA
The craft was Triangular,one story thick,in the middle was a half sphere ,and it made a deep humming sound.
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: 3600s, a plausible sighting length
- Moderate witness text (107 characters)
- Location geocoded exactly
- No other reports from this city within 3 days
- When
- 1990-06-01
- Where
- Maryland, MD, USA
- Shape
- Triangle
- Duration
- 1hr
- Geo
- 39.092, -76.818 · exact
- Slug
- triangle-over-maryland-md-1990-8f045f
Wave
Part of a wave
The Belgian Triangle Wave
Belgium (Eupen, Wallonia, Brussels corridor)
The definitive black-triangle wave: silent, slow platforms with three corner lights, reported by gendarmes, air-traffic controllers, and thousands of citizens. On the night of March 30-31, 1990, Belgian F-16s scrambled…
In context
- Maryland, MD shows up 3 times across the archive.
- 8 reports came from Maryland in 1990.
- In the 1990s, 11.6% of reports described a triangle — the all-time rate is 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.