CaseDiamond1989

Shasta Lake, CA, USA

A close sighting with missing time prior to '89 earthquake in San Fransisco.

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: 15s, a plausible sighting length
  • Moderate witness text (76 characters)
  • Location geocoded exactly
  • No other reports from this city within 3 days
When
1989-10-18
Where
Shasta Lake, CA, USA
Shape
Diamond
Duration
15 sec.
Geo
40.680, -122.371 · exact
Slug
diamond-over-shasta-lake-ca-1989-6583e7
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

  • Shasta Lake, CA shows up 10 times across the archive.
  • 32 reports came from California in 1989.
  • In the 1980s, 1.9% of reports described a diamond — the all-time rate is 1.4%.

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.