CaseTriangle2008

Marshalltown, IA, USA

October 2, 2008 just after 8 p.m. Marshalltown, Iowa, saw a black triangular shaped object, with round green lights in V pattern

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: 4s (an atypical range)
  • Detailed witness text (128 characters)
  • Location geocoded exactly
  • No other reports from this city within 3 days
When
2008-10-02
Where
Marshalltown, IA, USA
Shape
Triangle
Duration
4-5 seconds
Geo
42.049, -92.908 · exact
Slug
triangle-over-marshalltown-ia-2008-7ef6ae
Wave

Part of a wave

  • Historical wave2004

    The Navy Encounters & the UAP Era

    U.S. training ranges (Pacific off San Diego; Atlantic off Virginia), then worldwide reporting

    The wave that renamed the subject. The USS Nimitz 'Tic Tac' encounter (November 2004: radar drops from 80,000 ft to sea level in seconds, pilot visual by Cmdr. David Fravor, FLIR video) stayed classified-adjacent until…

In context

  • Marshalltown, IA shows up 7 times across the archive.
  • 36 reports came from Iowa in 2008.
  • In the 2000s, 10.1% 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.