Explore cases
Faceted archive of NUFORC reports — filter by shape, place, and decade. Every URL is deterministic SSR (cacheable at the edge).
Castro valley · CA, USA
Multiple large bright circles hovering
Castro Valley · CA, USA
Three huge orbs in a V formation above the hilltop in California
Castro Valley · CA, USA
Lights in sky in straight line at satellite heights moving very fast in easterly direction. ((NUFORC Note: Starlink satellites? PD))
Castro Valley · CA, USA
A strange craft in the night sky with white and colored lights is just hanging over southern Alameda county. It is not moving but high
Castro valley · CA, USA
2 circular objects chasing each other in the northern skys
Castro Valley · CA, USA
While driving, I spotted a big triangle-shaped object. I saw three lights, green, white, &maybe yellow, moving slowly.
Castro Valley · CA, USA
Orb in our atmosphere in the 2 o'clock position next to the moon hooving all day long… ((anonymous report))
Castro Valley · CA, USA
Driving to work on I-580, saw a glowing craft moving along the coast of California. It was a bright greenish color, moved extreamly fas
Castro Valley · CA, USA
Triangular craft seen over Castro Valley, CA.
Castro Valley · CA, USA
Object was seen again hoovering over Castro valley Blvd on the west bound. traveling in circular pattern from southern sky and then mov
Castro Valley · CA, USA
Metallic orb maintaining position to the right of Moon.
Castro Valley · CA, USA
I went to look out my balcony slider and always look at the sky as i did i had noticed what looked like a bright white blue light star
Castro Valley · CA, USA
I watched the obj. w/ my binoculars. It was barely visible by the naked eye. It was slowly moving from the north down to the south
Castro Valley · CA, USA
10 separate red / orange lights - possible UFO - appear and disappear over an approximately 10 minute period.
Castro Valley · CA, USA
LARGE CRAFT OVER CASTRO VALLEY CALIFORNIA.
Castro Valley · CA, USA
5 to 7 orange lights seen floating low in the sky slowy fade out.
Castro Valley · CA, USA
Moving from the west in a south or south east direction - small single white object dimmed and disappeared
Castro Valley · CA, USA
Saucer flying low with bright flickering lights.
Castro Valley · CA, USA
Perfect circular bright light over S.F. East Bay evening of Sunday October 5th
Castro Valley · CA, USA
circular UFO( bell hat shape ) seen on hwy 580 castro valley, CA 8:10 pm in front of full moon.
Castro Valley · CA, USA
There was a red triangular spacecraft with black wings on the rear.
Castro Valley · CA, USA
Flying UFO's in the San Francisco Bay Area.
Castro Valley · CA, USA
Shiny white object flys silently over our home
Castro Valley · CA, USA
Object moving across CA sky Jan 4th 2005 7:10PM