SkyUnknown

UFO sightings by place

UFO sightings in Hauts-de-Seine: 33 reports

SkyUnknown lists 33 UFO sightings in Hauts-de-Seine, from 1976 to 2023, drawn from official records: GEIPAN (CNES). The busiest year was 2015, with 5 cases.

Of the 33 cases with a conclusion from their source, 70% are explained (with certainty or probably), 27% lack the data to conclude, and 1 remains unidentified. The most frequent identified causes: balloons (6); ground lights and lasers (4); sky lanterns (4).

Most frequently named places: Sceaux (3), Boulogne-Billancourt (3), Clamart (3), Colombes (3), and Châtillon (2).

cases
33
unidentified
1
period
1976–2023
source
1
Map of the cases

Notable cases

The most complete records: account of the sighting, conclusion of the official investigation.

Other departments in the region

Sightings by decade

4
1970s3
1980s1
1990s4
2000s14
2010s7
2020s

Identified causes

For cases explained with certainty or probably.

All sightings

DatePlaceStatus
December 11, 2023Boulogne-Billancourt · Hauts-de-SeineExplained
July 13, 2023Chaville · Hauts-de-SeineExplained
June 4, 2023Sceaux · Hauts-de-SeineExplained
November 5, 2022Clamart · Hauts-de-SeineExplained
July 17, 2022Châtillon · Hauts-de-SeineExplained
November 1, 2021Sceaux · Hauts-de-SeineProbably explained
October 14, 2021Garches · Hauts-de-SeineExplained
August 23, 2018Rueil-Malmaison · Hauts-de-SeineProbably explained
August 29, 2015Châtillon · Hauts-de-SeineProbably explained
July 6, 2015Clichy · Hauts-de-SeineInsufficient data
June 6, 2015Clamart · Hauts-de-SeineProbably explained
May 25, 2015Issy-les-Moulineaux · Hauts-de-SeineInsufficient data
March 12, 2015Courbevoie · Hauts-de-SeineExplained
October 31, 2014Colombes · Hauts-de-SeineInsufficient data
June 7, 2014Asnières-sur-Seine · Hauts-de-SeineProbably explained
November 10, 2013Sceaux · Hauts-de-SeineExplained
September 29, 2012Boulogne-Billancourt · Hauts-de-SeineExplained
August 19, 2012Châtenay-Malabry · Hauts-de-SeineProbably explained
July 27, 2012Courbevoie · Hauts-de-SeineProbably explained
December 26, 2011Clamart · Hauts-de-SeineProbably explained
August 21, 2010La Garenne-Colombes · Hauts-de-SeineProbably explained
July 22, 2009Bagneux · Hauts-de-SeineProbably explained
July 21, 2009Montrouge · Hauts-de-SeineProbably explained
March 29, 2008Issy-les-Moulineaux · Hauts-de-SeineProbably explained
April 2006Châtenay-Malabry · Hauts-de-SeineInsufficient data
September 7, 1997Boulogne-Billancourt · Hauts-de-SeineInsufficient data
March 8, 1985Nanterre · Hauts-de-SeineProbably explained
January 1, 1981Vaucresson · Hauts-de-SeineUnexplained
July 4, 1980Meudon · Hauts-de-SeineInsufficient data
July 25, 1979Colombes · Hauts-de-SeineInsufficient data
July 16, 1979La Garenne-Colombes · Hauts-de-SeineExplained
June 3, 1979Rueil-Malmaison · Hauts-de-SeineInsufficient data
July 16, 1976Colombes · Hauts-de-SeineInsufficient data
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The figures on this page are computed from the official records cited on each case. See sources and method