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Faceted archive of NUFORC reports — filter by shape, place, and decade. Every URL is deterministic SSR (cacheable at the edge).
Rapid City/ Box Elder · SD, USA
Saw tri-angle lights under dark body while driving west on I-90.
Rapid City · SD, USA
It hovered until we stopped like it was waiting for someone to see it.
Rockerville · SD, USA
two triangles in the night sky
Huron · SD, USA
A triangular shape light that hovered for about 2 min and then just faded away.
Sioux Falls · SD, USA
Grouping of rectangular or triangular objects, hovering, dancing around each other, absolutely silent, then rapid accleration.
Rapid City · SD, USA
I have never seen anything like this before. It kind of scared me.
Hwy. 90 · SD, USA
A cloud appeared in the sky, huge, oval in shape, emitting the most amazing magnetic field, shooting lightening out in short spikes aro
Hot Springs and Custer · SD, USA
October 11, 1994--Hot Springs/Custer--triangle alerts dogs/ MUFON investigator witnesses
Yankton · SD, USA
silent isosceles triangle shaped mirage-like UFO with no lights
Baltic · SD, USA
Unidentified glowing orbs
Sturgis · SD, USA
triangle shaped craft flies over campground in sturgis south dakota