UFOMYST
CaseTriangle1978

Sandwich, MA, USA

Irregularly-shaped large elongated triangle with blue after-glow seen soundlessly moving over Cape Cod.

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: 300s, a plausible sighting length
  • Moderate witness text (103 characters)
  • Location geocoded exactly
  • No other reports from this city within 3 days
When
1978-05-10
Where
Sandwich, MA, USA
Shape
Triangle
Duration
5 Minutes
Geo
41.759, -70.494 · exact
Slug
triangle-over-sandwich-ma-1978-5c02c2
Wave

Part of a wave

  • Historical wave1977–1978

    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…

    Open wave →

In context

  • Sandwich, MA has 9 sightings on file here.
  • 1978 brought 17 reports from Massachusetts.
  • The 1970s skewed 7.9% triangle reports; the archive-wide figure 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.