Within Pennsylvania UFOs
Why Did Western Pennsylvania See So Many UFOs?
The 1973 wave mixed low-flying lights, creature claims and intense publicity, but left little instrument data or preserved physical evidence.
On this page
- The Uniontown and Fayette County reports
- How investigators and publicity shaped the wave
- Witness testimony, creature claims and evidential limits
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Introduction
Western Pennsylvania’s 1973 sighting wave was not one single incident but a chain of reports that gathered force across Westmoreland, Fayette and neighbouring counties. It began with formations of unusual lights, expanded during the summer into sightings of large hairy figures, and reached its most dramatic point near Uniontown on 25 October, when witnesses claimed that a glowing object and two tall creatures appeared in the same field.
The wave matters because it shows how a regional UFO “flap” can develop. Some reports probably involved ordinary astronomical or aerial objects seen under poor conditions. Others were stranger but depended almost entirely on frightened witnesses and volunteer investigators. Publicity encouraged people to report experiences they might otherwise have kept private, while each new story supplied expectations for the next. The result is an important part of Pennsylvania’s UFO history, but not a body of evidence that establishes extraterrestrial craft or unknown animals.
The Uniontown and Fayette County reports
Unusual aerial reports were already being recorded in western Pennsylvania at the start of 1973. A contemporary bulletin from the National Investigations Committee on Aerial Phenomena, or NICAP, stated that dozens of residents in central Westmoreland County had reported formations of bright orange, round objects on the evening of 25 January. It also listed reports from Greensburg, West Point, Carbon and Latrobe. These accounts were notable for their number, but the published summary offered no photographs, radar returns or measured flight paths.[CUFOS]cufos.org086 MAY 1973086 MAY 1973
This early activity formed only part of a wider Pennsylvania pattern. In March, police in Northampton, Berks and Monroe counties in the east received large numbers of reports of flashing or coloured lights. NICAP called this a “wave”, while acknowledging that its information came largely from witnesses and police telephone traffic rather than instrumented observations. The eastern outbreak was geographically separate, but it helped create a statewide atmosphere in which unusual lights were being watched, discussed and reported.[CUFOS]cufos.org086 MAY 1973086 MAY 1973
In western Pennsylvania, the character of the reports changed during the summer. According to the case chronology later assembled by investigator Stan Gordon, witnesses began describing not only lights and low-flying objects but also large, upright, hair-covered figures. By late August, some narratives placed an aerial object and a supposed creature in the same area or within a short time of one another. Sceptical writer Sharon Hill notes that this apparent overlap encouraged witnesses and investigators to treat two already ambiguous categories—UFOs and Bigfoot-like creatures—as parts of a single mystery.[Google Books]books.google.comBooks Silent Invasion: The Pennsylvania UFO-Bigfoot CasebookGoogle BooksSilent Invasion: The Pennsylvania UFO-Bigfoot Casebook - Stan Gordon - Google Books…
The best-known report occurred in rural Fayette County near Uniontown on the night of 25 October. In Gordon’s account, about 15 people first saw a large red light moving slowly towards the ground. A farmer’s son and two younger boys drove or walked towards a pasture to investigate. From a distance of roughly 250 feet, they reportedly saw what looked like a bright white dome with a flat underside, either resting on the ground or hovering just above it.[Herald-Standard]heraldstandard.comfayette countys encounterHerald-Standard Fayette County’s 1973 encounter - Herald-Standard…
The story then moved from an aerial sighting into a creature encounter. The three witnesses said they heard high-pitched sounds resembling a crying baby and saw two upright figures near a barbed-wire fence. Using six-foot fence posts as a reference, they estimated one figure at more than eight feet tall and the other at more than seven feet. They described long dark hair, unusually long arms, no obvious neck and large green-glowing eyes.[Herald-Standard]heraldstandard.comfayette countys encounterHerald-Standard Fayette County’s 1973 encounter - Herald-Standard…
According to the later reconstruction, one witness fired tracer rounds over the figures. At about the same moment, the luminous object disappeared and left a glowing patch visible in the field. Further shots were said to have been fired towards the retreating figures before the witnesses returned to their vehicle and contacted the Pennsylvania State Police.[Herald-Standard]heraldstandard.comfayette countys encounterHerald-Standard Fayette County’s 1973 encounter - Herald-Standard…
It is a memorable narrative, but nearly all the detail available to the public comes through Gordon’s investigation and later retellings. The local newspaper’s retrospective treatment openly described it as “Stan’s case”, an indication that public officials no longer held, or at least did not readily provide, a complete official file. The surviving account does not include an authenticated police report, recoverable projectile evidence, photographs of the object or creatures, verified biological material, radar data or a documented laboratory examination of the alleged glowing area.[Herald-Standard]heraldstandard.comfayette countys encounterHerald-Standard Fayette County’s 1973 encounter - Herald-Standard…
How investigators and publicity shaped the wave
Project Blue Book, the United States Air Force’s formal UFO investigation programme, had closed in 1969. The 1973 reports therefore arrived without a standing federal system that routinely collected civilian sightings. In western Pennsylvania, much of the fieldwork fell instead to Gordon and his Westmoreland County UFO Study Group, a volunteer network that received calls, interviewed witnesses and travelled to reported locations.
This local response had genuine value. It gave residents somewhere to report unusual experiences and preserved stories that might otherwise have disappeared. Gordon also repeatedly stressed that most UFO reports investigated by his teams eventually received ordinary explanations, including bright planets, stars, meteors, satellites and aircraft. His willingness to acknowledge misidentifications distinguishes the investigation from an assumption that every strange light represented something extraordinary.[Herald-Standard]heraldstandard.comfayette countys encounterHerald-Standard Fayette County’s 1973 encounter - Herald-Standard…
Yet the same network also helped turn separate reports into a coherent “wave”. Investigators knew about earlier cases, asked witnesses about features reported elsewhere and examined incidents through a framework in which aerial objects and creature sightings might be connected. Gordon’s later book Silent Invasion presents the period as an accumulating sequence in which UFOs, hairy figures, frightened animals, footprints and other anomalies belonged to the same outbreak. That organisation makes the material readable, but it is an interpretation rather than a demonstrated causal link.[Google Books]books.google.comBooks Silent Invasion: The Pennsylvania UFO-Bigfoot CasebookGoogle BooksSilent Invasion: The Pennsylvania UFO-Bigfoot Casebook - Stan Gordon - Google Books…
Newspaper and broadcast coverage added a second feedback mechanism. Once the public heard that neighbours, police or investigators were receiving UFO calls, unfamiliar lights became more likely to be noticed and reported. The content of the stories also evolved. The first western Pennsylvania reports emphasised coloured formations in the sky. Later accounts included enormous figures, luminous eyes, resistance to gunfire and sudden disappearances. Hill argues that this progression illustrates “supernatural creep”: ambiguous experiences become increasingly elaborate as witnesses and audiences absorb the motifs circulating around them.[Sharon A. Hill]sharonahill.comSharon A. HillWhen Bigfoot became an alien (around 1973) | Sharon A. Hill…
This does not prove that individual witnesses lied. Social influence can operate without conscious invention. A person who sees an aircraft light through haze, an animal standing briefly on its hind legs or reflected eyeshine at the edge of woodland may report honestly while misjudging distance, scale or movement. In darkness, size estimates based on fences, trees and slopes are especially vulnerable to error. Fear can then narrow attention and make later recollection more confident than the original perception justified.
Western Pennsylvania’s terrain amplified those problems. Farms and wooded hills offered long sightlines in some directions but concealed roads, buildings and low aircraft in others. Sounds carried unpredictably through valleys. A distant light could appear close to a ridge, while an animal partly hidden by vegetation might seem much larger than it was. These conditions do not explain every reported detail, but they reduce the evidential force of estimates made at night without reliable distance measurements.
Witness testimony, creature claims and evidential limits
The strongest point in favour of treating the wave seriously is that it involved many reports rather than one isolated storyteller. Some sightings had multiple witnesses, and the Uniontown case included people who allegedly approached the scene rather than merely watching a distant light. Contemporary UFO publications also show that western Pennsylvania reports were being logged months before the October encounter became famous, so the wave was not wholly invented in hindsight.[CUFOS]cufos.org086 MAY 1973086 MAY 1973
Multiplicity, however, is not the same as independent confirmation. Fifteen people seeing a red light establishes that a light was probably present; it does not establish its size, distance or nature. The most extraordinary parts of the Uniontown story came from the smaller group that entered the pasture. Their observations were made at night, under stress and after they had already interpreted the light as something unusual. Later retellings preserve vivid measurements and sequences, but the available public record does not show how stable those details were across the earliest interviews.
The creature descriptions present an additional problem. Glowing green eyes are compatible with eyeshine—the reflection of a light source from tissue behind an animal’s retina—rather than eyes producing their own light. Apparent immunity to gunfire is also weak evidence when it is uncertain whether shots struck anything. Darkness, movement and the witnesses’ retreat would have made it difficult to verify a hit. Claims that a figure vanished or was connected to a beam are still harder to assess because they leave no independently testable trace.
The supposed physical evidence is similarly limited. Accounts mention tracks, luminous ground and frightened animals in different cases across the wave, but no securely documented specimen has emerged that can be re-examined using modern methods. Plaster casts preserve the shape of an impression, not proof of what made it. A glowing patch would have been important had investigators recorded its temperature, radiation, chemistry and duration under controlled conditions, yet no such dataset is publicly available for the Uniontown case.
That distinction matters. Modern scientific proposals for studying unidentified aerial phenomena emphasise synchronised cameras, triangulation, radar-derived range and velocity, spectral measurements, radio monitoring and environmental sensors. Those instruments are valuable because they separate an object’s actual behaviour from human estimates. The 1973 western Pennsylvania wave produced almost none of this kind of evidence.[arXiv]arxiv.orgThe Scientific Investigation of Unidentified Aerial Phenomena (UAP) Using Multimodal Ground-Based ObservatoriesMay 29, 2023…
Why did so many reports appear?
No single explanation is likely to cover the entire wave. The most reasonable reading is that several mechanisms overlapped.
Ordinary lights generated the broad base of reports. Aircraft, bright stars and planets, meteors and other familiar objects can look strange when viewed without a stable horizon or when their distance is unknown. Gordon himself has said that a high proportion of reports investigated by his teams received natural or human-made explanations.[Herald-Standard]heraldstandard.comfayette countys encounterHerald-Standard Fayette County’s 1973 encounter - Herald-Standard…
Public attention increased reporting. Contemporary UFO organisations were already describing Pennsylvania sighting clusters early in the year. Local press coverage, police calls and word of mouth told residents that unusual objects were supposedly active nearby, encouraging greater vigilance and lowering the threshold for reporting another light.[CUFOS]cufos.org086 MAY 1973086 MAY 1973
Expectation affected interpretation. Once stories of hairy figures entered the regional narrative, ambiguous animals, tracks and noises could be interpreted as evidence of the same phenomenon. Reports that placed UFOs and creatures together were especially memorable and therefore disproportionately influential.
A small residue remains difficult to reconstruct. Some witnesses may have seen genuinely unusual events, but poor documentation prevents firm conclusions. “Unexplained” in this setting usually means that the original information is too incomplete to choose confidently among competing explanations. It does not mean that an exotic explanation has been demonstrated.
What the 1973 wave means for Pennsylvania’s UFO history
Western Pennsylvania’s 1973 wave is less evidentially strong than the 1965 Kecksburg incident, where a widely observed fireball and documented official response provide a firmer historical core. Its importance lies elsewhere. It is Pennsylvania’s clearest example of a sighting cluster becoming a shared regional story through the interaction of witnesses, police calls, volunteer investigators and intensive publicity.
The wave also marks an unusual merging of UFO and Bigfoot traditions. Earlier reports could be filed separately as lights in the sky or creatures in the woods. By late 1973, some western Pennsylvania accounts treated them as connected, and the Uniontown encounter became the defining example. That linkage had a long cultural afterlife, influencing books, lectures and later paranormal reporting even though the original physical evidence remained weak.[Google Books]books.google.comBooks Silent Invasion: The Pennsylvania UFO-Bigfoot CasebookGoogle BooksSilent Invasion: The Pennsylvania UFO-Bigfoot Casebook - Stan Gordon - Google Books…
The fairest verdict is therefore mixed. There is good reason to believe that western Pennsylvania experienced a real surge in reports and public concern. There is also contemporary support for sightings beginning well before the most famous October case. But the evidence does not establish that one unknown mechanism caused the entire wave, still less that extraterrestrial craft and giant creatures were present. What survives is an unusually rich body of testimony whose historical and cultural significance is stronger than its scientific proof.
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Endnotes
1.
Source: cufos.org
Title: 086 MAY 1973
Link:https://cufos.org/PDFs/UFOI_and_Selected_Documents/UFOI/086%20MAY%201973.pdf
Published: MAY 1973
2.
Source: books.google.com
Title: Books Silent Invasion: The Pennsylvania UFO-Bigfoot Casebook
Link:https://books.google.com/books/about/Silent_Invasion.html?id=hMf3TgEACAAJ
Source snippet
Google BooksSilent Invasion: The Pennsylvania UFO-Bigfoot Casebook - Stan Gordon - Google Books...
3.
Source: sharonahill.com
Link:https://sharonahill.com/bigfoot/
Source snippet
Sharon A. HillWhen Bigfoot became an alien (around 1973) | Sharon A. Hill...
4.
Source: heraldstandard.com
Title: fayette countys encounter
Link:https://www.heraldstandard.com/news/2014/oct/07/fayette-countys-encounter/
Source snippet
Herald-Standard Fayette County’s 1973 encounter - Herald-Standard...
5.
Source: arxiv.org
Link:https://arxiv.org/abs/2305.18566
Source snippet
The Scientific Investigation of Unidentified Aerial Phenomena (UAP) Using Multimodal Ground-Based ObservatoriesMay 29, 2023...
Published: May 29, 2023
6.
Source: cufos.org
Title: 1973 Year of the Humanoids
Link:https://cufos.org/PDFs/books/1973-Year_of_the_Humanoids.pdf
7.
Source: nuforc.org
Link:https://nuforc.org/sighting/?id=54491
8.
Source: jstor.org
Link:https://www.jstor.org/stable/1499483
9.
Source: youtube.com
Link:https://www.youtube.com/watch?v=AFFnocWe8Jw
Source snippet
STAN GORDON - 'Creepy Cryptids & Strange UFO Encounters of PA' - Lon Strickler (Host)...
10.
Source: youtube.com
Title: STAN GORDON
Link:https://www.youtube.com/watch?v=3U43vPr7BnU
Source snippet
Paranormal Book Review! Silent Invasion: The Pennsylvania UFO/Bigfoot Casebook by Stan Gordon...
11.
Source: nicap.org
Link:https://www.nicap.org/chronos/1973fullrep.htm
12.
Source: pod.wave.co
Title: co”The Pennsylvania Bigfoot/UFO Invasion
Link:https://pod.wave.co/podcast/bigfoot-collectors-club/the-pennsylvania-bigfootufo-invasion-part-i-w-steve-berg-9de81bf8
13.
Source: post-gazette.com
Link:https://www.post-gazette.com/news/science/2015/12/06/50-years-later-the-kecksburg-westmoreland-county-ufo-is-identified-probably/stories/201512060146
Additional References
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15.
Source: medium.com
Title: the pa ufo bigfoot invasion of 1973 9e34e7ad3875
Link:https://medium.com/%40weirdones/the-pa-ufo-bigfoot-invasion-of-1973-9e34e7ad3875
Source snippet
The PA UFO Bigfoot Invasion of 1973 | by Weird onesWestmoreland County residents reported glowing spheres of pure white light hovering in...
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Source: skepticalinquirer.org
Title: bigfoot as big myth seven phases of mythmaking
Link:https://skepticalinquirer.org/2017/09/bigfoot-as-big-myth-seven-phases-of-mythmaking/
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Bigfoot as Big Myth: Seven Phases of MythmakingAfter “flying saucers” were reported in 1947 and the UFO/alien craze subsequently develope...
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Source: youtube.com
Title: Mystery Wire
Link:https://www.youtube.com/watch?v=2h3RdMzgA2I
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1973 Pennsylvania UFO wave Uniontown Stan Gordon 04-06-21 Stan Gordon, The 1973 UFO-Bigfoot Wave & The Mini-UFO Phenomena Podcast UFO Liv...
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Pennsylvania 1973 UFO Bigfoot Flap | 250 Years of American High Strangeness...
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Mystery Wire - Stan Gordon - Part 1 of 3...
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Source: stangordon.info
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