Skip to content
The UFO LibraryA rack of paperbacks on the UFO record
Back to the rack

The UFO Library: Humanoid encounter

Socorro UFO Landing

1964Socorro, New Mexico, USAHumanoid encounterApril 24, 1964Evidence rated well-documented

Socorro police officer Lonnie Zamora witnessed a metallic, egg-shaped craft with occupants near Socorro, New Mexico; one of Project Blue Book's most credible and physically evidenced cases.

The Encounter

On the evening of April 24, 1964, Socorro police sergeant Lonnie Zamora was pursuing a speeding vehicle south of Socorro, New Mexico when he heard a loud, deep roar and spotted a bluish-orange flame descending in the southwestern sky. Abandoning the chase to investigate what he believed might be an explosion at a nearby dynamite storage facility, Zamora drove through rough terrain toward the source.

As he maneuvered over the hills, Zamora came within 150 feet of an extraordinary sight: a shiny, oval-shaped object approximately the size of a car, resting on the ground on what appeared to be landing gear. The craft was described as whitish-silver in color, with a distinctive red insignia on its side that Zamora sketched for investigators as resembling a cross or arrow symbol. Most remarkably, two small humanoid figures clad in white coveralls stood beside the object. Zamora estimated them to be roughly the height of small adults or large children, with normal human proportions.

The Flight and Witnesses

Startled by Zamora's approach, the figures appeared to notice him and quickly moved toward the craft's interior. As Zamora reached approximately 75 feet from the object, it produced an intense roar and expelled a bluish and orange flame downward. The craft rose slowly, then ascended rapidly into the sky. As it passed overhead at low altitude, five tourists driving through Socorro independently witnessed the object in flight, corroborating Zamora's account of the encounter and his simultaneous radio report to dispatcher Nep Lopez.

Physical Evidence

The landing site offered compelling tangible evidence of the encounter. Investigators discovered four distinct ground impressions arranged in a quadrilateral pattern, consistent with landing gear marks. Vegetation around the site showed signs of scorching and burn damage. Fresh earth disturbances and scuffed ground were photographed and documented. Soil samples and burnt vegetation were collected for analysis; radiation tests on the samples returned normal readings. Investigators photographed the impressions before weather and traffic could disturb them further.

Investigation and Official Response

The credibility of the witness and physical evidence drew immediate attention from official agencies. FBI agent Arthur Byrnes Jr. became involved, contacting Army Captain Richard T. Holder at nearby White Sands Missile Range. Holder and military personnel arrived at the scene that evening and secured the landing site. The U.S. Air Force's Project Blue Book, the official military UFO investigation program, dispatched its scientific consultant, Dr. J. Allen Hynek, to examine the case. Hynek conducted interviews with Zamora and examined the site and evidence.

Zamora, a police officer with a solid record and no known history of fabrication, proved to be a reliable and credible witness. His detailed account remained consistent throughout questioning. The physical evidence—landing impressions, burnt vegetation, and soil disturbances—appeared authentic and aligned with his testimony.

Official Classification and Assessment

Project Blue Book officially classified the Socorro incident as "Unknown," one of the few cases to receive this designation despite having physical evidence and a credible witness. Dr. Hynek, speaking years later to a CIA audience, described Socorro as "the Rosetta Stone of UFO cases" and admitted it was the most puzzling UFO case he had ever encountered in his decades of UFO investigation. He stated publicly that Project Blue Book had no satisfactory explanation for the incident.

Variious conventional explanations were considered: whether it might be a lunar lander prototype test from White Sands Missile Range (White Sands officials denied any operations that evening), or a hoax by New Mexico Tech students (no supporting evidence was ever produced). Neither explanation gained traction with investigators.

The Socorro case stands as one of Project Blue Book's most credible investigations, distinguished by its documented witness, tangible physical evidence, multiple independent corroborations, and the admission by official investigators that they could not explain it.

Witnesses

Lonnie Zamora (primary witness) — Socorro police sergeant, approximately 150 feet from object at closest approach. Observed occupants, landing gear, insignia, and craft's ascent.

Five tourists — traveling through Socorro area, independently witnessed the object in flight as it passed overhead, corroborating Zamora's simultaneous radio report.

Nep Lopez — Socorro Police dispatcher, received and logged Zamora's initial radio report in real time.

Evidence

Physical evidence at landing site:

  • Four ground impressions arranged in quadrilateral pattern (consistent with landing gear)
  • Scorched and burnt vegetation around landing area
  • Scuffed and disturbed earth
  • Soil samples collected and analyzed (normal radiation readings)
  • Burnt vegetation specimens collected
  • Photographic documentation of impressions before weather/traffic disturbance

Witness evidence:

  • Police sergeant's detailed, consistent testimony
  • Independent corroboration by five tourists witnessing object in flight
  • Radio log documentation of Zamora's contemporaneous report
  • Zamora's sketch of insignia symbol

Investigation:

  • FBI involvement (Agent Arthur Byrnes Jr.)
  • Army/White Sands Missile Range investigation
  • Project Blue Book scientific analysis by Dr. J. Allen Hynek
  • Military site security and evidence preservation

Filed under

Watch

The Best Documented UFO Case: Lonnie Zamora | blameitonjorge

blameitonjorge2.1M views, 55K likes

Mysterious UFO Blasts Away From Terrified Police Officer I Close Encounters

Quest TV1.6M views, 21K likes

Unsolved Mysteries with Robert Stack - Season 8 Episode 4 - Full Episode

Unsolved Mysteries - Full Episodes1.1M views, 10K likes

The Socorro UFO landing mystery, the full story of Lonnie Zamora's sighting TLBE HD

TheLifebeyondearth50K views, 319 likes

Policeman Lonnie Zamora in 3 interviews (1964, ‘74 & '96) talks witnessing a landed UFO in Soccoro

Eyes On Cinema26K views, 1K likes

Where this entry came from

ProvenanceAgent indexedUpdated 4mo ago4 sources

Drafted by the archive's AI research agent from the sources below; corrections from readers are reviewed and folded in.

First indexed
12 JUL 26 // 14:20Z
Last updated
12 JUL 26 // 14:20Z
  1. Lonnie Zamora incident, Wikipedia
  2. Official Files on the Socorro UFO Landing, April 24, 1964, The Black Vault
  3. The Lonnie Zamora UFO Case (1964): A Pilot's Encounter That Stumped Experts, UFO Matrix
  4. The Socorro UFO Encounter, Anomalien

Notes

  1. Lonnie Zamora incident, Wikipedia
  2. Official Files on the Socorro UFO Landing, April 24, 1964, The Black Vault
  3. The Lonnie Zamora UFO Case (1964): A Pilot's Encounter That Stumped Experts, UFO Matrix
  4. The Socorro UFO Encounter, Anomalien

Also available

Buying through these links supports the library. We may earn a commission.

Early Modern

Illustration, AI-generated. Cover painting is an illustration, not evidence.

Also on this shelf

Related cases, then more from the same era.

From the same era, Early Modern. See the full timeline

Readers' notes

Corrections, memories and arguments from readers.

Spotted a mistake or have something to add? Suggest a correction or join the discussion.

Reader discussion

Sign in to join the discussion — registered readers can comment and vote.

Retrieving marginalia…