Type: Physical Trace
Source:
The physical marks from the 1989 Voronezh UFO incident were documented by Soviet investigators and law enforcement following the alleged landing in Comintern Park (also known as South Park) on September 27, 1989.
Official Investigation Findings
Landing Oval: The Voronezh Geophysical Laboratory, led by Genrikh Silanov, reported a landing site approximately 20 meters by 7 meters (or 20 yards in diameter).
Ground Indentations: Investigators found four deep dents at the site, each 4 to 5 centimeters (1.6–2 inches) deep and 14 to 16 centimeters (5.5–6.3 inches) in diameter, attributed to the craft's mechanical legs or supports.
Soil Anomalies: Soil samples allegedly showed elevated silicon dioxide content, unusual compression, and higher-than-normal radiation levels.
Unidentified Materials: TASS reported that investigators found two pieces of rock described as deep-red sandstone, which mineralogical analysis claimed could not be found on Earth.
Conflicting Reports and Skepticism
Alternative Explanations: Some sources, including a self-proclaimed UFO specialist cited in Socialist Industry, argued that the ground marks were simply scorch marks from a burnt hay-bale.
Lack of Verification: While the official TASS report from October 9, 1989, confirmed the physical evidence, subsequent examinations by some authorities yielded no verifiable physical traces, artifacts, or radiation anomalies. Skeptics note the complete absence of photographs or independent scientific confirmation of the alleged materials.