City hub9 reports
UFO Sightings in Greenfield, Massachusetts
9 documented UFO sightings in Greenfield, Massachusetts since 1997, peaking in 2012 (2 reports); most often described as light.
- Total sightings
- 9
- Span
- 1997–2021
- Peak year
- 2012 (2 reports)
- Dominant shape
- Light
1997–2021 · peak 2012 (2 reports)
Empty set