CaseCircle1990

Fullerton, CA, USA

test aircraft or ufo?

Report quality: Moderate58/100

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: 300s, a plausible sighting length
  • Brief witness text (21 characters)
  • Location geocoded exactly
  • 1 other report from the same city within 3 days
When
1990-06-01
Where
Fullerton, CA, USA
Shape
Circle
Duration
5 mins
Geo
33.870, -117.925 · exact
Slug
circle-over-fullerton-ca-1990-0d08c2
Wave

Part of a wave

  • Historical wave1989–1991

    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

  • Fullerton, CA shows up 42 times across the archive.
  • 48 reports came from California in 1990.
  • In the 1990s, 6.7% of reports described a circle — the all-time rate is 10.6%.

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.