City hub15 reports
UFO Sightings in Half Moon Bay, California
15 documented UFO sightings in Half Moon Bay, California since 1950, peaking in 2017 (3 reports); most often described as oval.
- Total sightings
- 15
- Span
- 1950–2020
- Peak year
- 2017 (3 reports)
- Dominant shape
- Oval
1950–2020 · peak 2017 (3 reports)
Empty set