Corona, CA, USA
Very strange silver ovals with no sound in blue sky spinning and floating very slow .
Report quality: Moderate61/100
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: 7200s, a plausible sighting length
- Moderate witness text (85 characters)
- Location geocoded exactly
- 1 other report from the same city within 3 days
- When
- 2017-08-22
- Where
- Corona, CA, USA
- Shape
- Oval
- Duration
- 2 hours
- Geo
- 33.875, -117.566 · exact
- Slug
- oval-over-corona-ca-2017-c8b5b7
Part of a wave
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…
Local cluster
August 2017 was a busy month for Corona, CA: 3 separate reports.
In context
- This is one of 72 reports logged in Corona, CA.
- This case is one of 594 California reports filed in 2017.
- Oval craft made up 4.1% of 2010s reports, vs 4.3% across the whole archive.
Nearby in space & time
within 30 daysReport
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.