CaseCircle2000
San Francisco, CA, USA
Saw dark circular object under the water just off SFO airport moving towards San Mateo Bridge at a fast speed.
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: 10s, a plausible sighting length
- Moderate witness text (110 characters)
- Location geocoded exactly
- No other reports from this city within 3 days
- When
- 2000-06-23
- Where
- San Francisco, CA, USA
- Shape
- Circle
- Duration
- 10 seconds
- Geo
- 37.775, -122.419 · exact
- Slug
- circle-over-san-francisco-ca-2000-4151fc
Local cluster
Local cluster
June 2000 was a busy month for San Francisco, CA: 4 separate reports.
In context
- This is one of 241 reports logged in San Francisco, CA.
- This case is one of 439 California reports filed in 2000.
- Circle craft made up 8.9% of 2000s reports, vs 10.6% across the whole archive.
Nearby in space & time
within 30 daysReport
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