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Latin American cases

Brazil, Mexico, Argentina, Chile and Peru: some of the best-witnessed cases anywhere.

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Martin Sheffield's letter and Clemente Onelli's plesiosaur expedition, the origin of Nahuelito
c. 1922 · Laguna del Plesiosaurio (Laguna Negra), foot of Cerro Pirque, El Pedregoso, El Hoyo, Chubut
Cryptid · Creature · 32 sources
30Partially documented
The Man Who Melted: João Prestes Filho, Araçariguama, 1946
March 4, 1946 · Araçariguama, São Paulo state
UAP · Other · 21 sources
16Thinly documented
The Barra da Tijuca Flying Disc Photographs
May 7, 1952 · Barra da Tijuca, Rio de Janeiro
UAP · Disc / saucer · 29 sources · 18 photos
41Partially documented
Salvador Villanueva Medina and the Trip to Venus
c. 1953 · Near Ciudad Valles, San Luis Potosí, on the Mexico City to Nuevo Laredo highway
Alien · Being / humanoid · 24 sources
23Thinly documented
Ubatuba Magnesium Fragments (1957)
September 1957 · Praia das Toninhas, near Ubatuba, São Paulo state
UAP · Disc / saucer · 29 sources
24Thinly documented
The Antônio Villas Boas Abduction
October 15, 1957 · Villas Boas family farm near São Francisco de Sales, Minas Gerais
UAP · Egg · 64 sources
25Thinly documented
Fort Itaipu incident: the burned sentries
November 4, 1957 · Fortaleza de Itaipu, Ponta de Itaipu, Praia Grande, São Paulo
UAP · Disc / saucer · 25 sources
18Thinly documented
The Trindade Island Photographs
January 16, 1958 · Ilha da Trindade (Trindade Island), Trindade and Martim Vaz, Espírito Santo, South Atlantic
UAP · Disc / saucer · 46 sources · 13 photos
47Partially documented
The Duas Pontes Case: The Disappearance of Rivalino Mafra da Silva
August 20, 1962 · Duas Pontes, rural Diamantina, Minas Gerais
UAP · Egg · 25 sources
33Partially documented
The Trancas Incident: The Moreno Family and Object F
October 21, 1963 · Finca Santa Teresa, near Villa de Trancas, Trancas Department, Tucumán Province
UAP · Disc / saucer · 24 sources
31Partially documented
The Lead Masks Case: Morro do Vintém, Niterói
August 17, 1966 · Morro do Vintém (Vintém Hill), Niterói, Rio de Janeiro state
UAP · Egg · 45 sources
25Thinly documented
The Vidal Teleportation Hoax: Chascomús to Mexico (1968)
May 1968 · National Route 2, outskirts of Chascomús, Buenos Aires Province (alleged reappearance near Mexico City)
UAP · Unknown · 18 sources
9Thinly documented
The José Antônio da Silva Abduction (Caso Bebedouro)
May 4, 1969 · Bebedouro, Matozinhos municipality, near Pedro Leopoldo, Minas Gerais
Alien · Being / humanoid · 18 sources
15Thinly documented
The Anolaima Encounter: Arcesio Bermúdez and the Light Over Casateja
July 4, 1969 · Casateja farm, vereda Tocarema, between Anolaima and Cachipay, Cundinamarca
UAP · Sphere · 29 sources
19Thinly documented
The Dionisio Llanca Abduction
October 28, 1973 · Kilometer 705 of Route 3, near Villa Bordeu, Bahía Blanca, Buenos Aires Province
UAP · Disc / saucer · 26 sources
13Thinly documented
Carlos Antonio de los Santos Montiel radar-visual encounter
May 3, 1975 · Near Lake Tequesquitengo, Morelos, on the airway from Zihuatanejo to Mexico City
UAP · Disc / saucer · 40 sources
47Partially documented
The Colares Flap and Operação Prato
1977 · Colares, Bay of Marajó, Pará
UAP · Orb / light · 72 sources · 12 photos
72Well documented
The Cabo Valdés case: Pampa Lluscuma, Putre, 1977
April 25, 1977 · Pampa Lluscuma, near Putre, Parinacota Province, Arica y Parinacota Region (then Tarapacá), Chile
UAP · Egg · 25 sources
27Thinly documented
La Joya / Arequipa UFO Incident
April 11, 1980 · La Joya Air Base (Mariano Melgar), La Joya District, Arequipa
UAP · Sphere · 35 sources
0Thinly documented
VASP Flight 169: Captain Britto's Light over Brazil
February 8, 1982 · Airspace between Bom Jesus da Lapa, Bahia, and Rio de Janeiro (Galeão), Brazil
UAP · Disc / saucer · 19 sources
67Well documented
Brazil's Official Night of the UFOs (Noite Oficial dos OVNIs)
May 19, 1986 · São José dos Campos and airspace over São Paulo, Rio de Janeiro, Minas Gerais and Goiás
UAP · Orb / light · 57 sources
60Well documented
The Huella del Pajarillo Burn Mark, Capilla del Monte
c. 1986 · Cerro Pajarillo, near Capilla del Monte, Ischilín Department, Córdoba
UAP · Disc / saucer · 25 sources · 3 photos
44Partially documented
The Cabo Rojo Incident: F-14 Jets Vanish Near a Giant Triangle
December 28, 1988 · Betances, Cabo Rojo, near Sierra Bermeja and Laguna Cartagena, Puerto Rico
UAP · Triangle · 30 sources
21Thinly documented
The Mexico City Eclipse UFO Wave
July 11, 1991 · Mexico City and central Mexico (rooftop at Glorieta de las Flores, south of the Periférico; also Puebla)
UAP · Disc / saucer · 40 sources · 3 photos
46Partially documented
The Bariloche Case: Aerolíneas Argentinas Flight AR 674
July 31, 1995 · Final approach to Teniente Luis Candelaria International Airport, San Carlos de Bariloche, Río Negro
UAP · Disc / saucer · 26 sources
38Partially documented
Madelyne Tolentino's Chupacabra Sighting, Canóvanas, Puerto Rico
August 1995 · Barrio Campo Rico, near Calle 1 and Calle 2, Canóvanas, Puerto Rico
Cryptid · Creature · 19 sources
17Thinly documented
The Varginha Incident (ET de Varginha)
January 20, 1996 · Jardim Andere, Varginha, Minas Gerais
Alien · Being / humanoid · 50 sources
35Partially documented
Haroldo Westendorff and the Pyramid Over Lagoa dos Patos
October 5, 1996 · Lagoa dos Patos, near Pelotas and São José do Norte, Rio Grande do Sul
UAP · Other · 9 sources
24Thinly documented
The Las Lomas Daylight Disc Video, Mexico City (1997)
August 6, 1997 · Bosques de las Lomas, Mexico City
UAP · Disc / saucer · 18 sources · 1 photos
23Thinly documented
Mexican Air Force Campeche FLIR Video
March 5, 2004 · Airspace over southern Campeche, between Copalar (Chiapas) and Del Carmen (Campeche)
UAP · Sphere · 41 sources · 4 photos
49Partially documented
The El Bosque Air Show UFO
November 5, 2010 · El Bosque Air Base, Santiago
UAP · Other · 23 sources · 1 photos
36Partially documented
Peru's Air Force Revives Its UFO Office (DIFAA)
October 18, 2013 · Miraflores, Lima (relaunch); Cerro Marabamba, Huánuco and Chilca (sightings)
UAP · Orb / light · 47 sources
26Thinly documented
Chilean Navy / CEFAA Infrared Video
November 11, 2014 · Off the coast west of Santiago, between San Antonio and Quintero, Valparaíso Region
UAP · Other · 35 sources · 1 photos
35Partially documented
Mexican Congress "Nazca non-human bodies" hearing
September 12, 2023 · Palacio Legislativo de San Lázaro, Mexico City
UAP · Being / humanoid · 55 sources
31Partially documented
The Buga Sphere
March 2, 2025 · Alto Bonito sector, Guadalajara de Buga, Valle del Cauca
UAP · Sphere · 31 sources
35Partially documented