DATE
January 23, 1974
LOCATION
Berwyn Mountains, Llandrillo, Wales, United Kingdom (52.9°N, 3.4°W)
CLASSIFICATION
CRASH RETRIEVAL
EVIDENCE QUALITY
MEDIUM
Lights and loud noises reported in Wales lead to UFO crash rumors, with official investigation attributing the event to an earthquake and meteor.
3.5
EARTHQUAKE MAGNITUDE
[1]
On January 23, 1974, residents of the Berwyn Mountains area in northern Wales reported a loud noise and bright lights in the sky. The event triggered speculation about a UFO crash and subsequent government cover-up, with tabloids dubbing it "The Roswelsh Incident".
Scientific investigation determined the incident resulted from a magnitude 3.5 earthquake occurring simultaneously with a bright meteor widely observed over Wales and northern England. The British Geological Survey confirmed the earthquake, which was felt across northern Wales and as far as Formby, England.
Declassified Ministry of Defence documents support the earthquake-meteor explanation, though some ufologists maintain the event involved a crashed extraterrestrial craft and government recovery operation. The case illustrates how natural phenomena can generate UFO narratives in the absence of clear alternative explanations.
Berwyn Mountain 1974 Wales UFO Incident - Context
The Berwyn Mountain incident occurred during a period of heightened UFO interest in the UK and coincided with similar "crash retrieval" narratives emerging globally. The official explanation combining earthquake and meteor represents one of the more scientifically substantiated UFO case resolutions, though persistent alternative theories demonstrate the enduring appeal of crash-retrieval narratives in ufology.
Berwyn Mountain 1974 Wales UFO Incident - Incident Timeline
1974-01-23 20:38 GMT
Berwyn Mountains, Wales (52.9°N, 3.4°W)
Earthquake (magnitude 3.5) occurs; bright meteor observed simultaneously [1][2]
1974-01-23 evening
Llandrillo, Wales (52.9°N, 3.4°W)
Residents report loud noise and bright lights; police investigate [3]
1974-01-24
Wales
Media reports spread UFO crash rumors; tabloids dub it "The Roswelsh Incident" [3]
2000s
United Kingdom
Ministry of Defence declassifies documents supporting earthquake-meteor explanation [3]
Berwyn Mountain 1974 Wales UFO Incident - Competing Explanations
Earthquake and Meteor Combination [1][2][3]
Supporting Evidence
Scientific evidence: magnitude 3.5 earthquake recorded by British Geological Survey at 20:38 GMT; bright meteor widely observed across Wales and northern England. Declassified Ministry of Defence documents support this explanation.
Conflicting Evidence
Some witnesses reported structured craft rather than natural phenomena; UFO crash rumors persisted for decades.
UFO Crash and Government Cover-up [3]
Supporting Evidence
Persistent witness accounts of non-natural phenomena, military presence reported in area, long-standing ufological interest in case.
Conflicting Evidence
No physical evidence of crash, official scientific explanation accounts for all reported phenomena.
Military Aircraft Accident [3]
Supporting Evidence
Possible secret military aircraft testing or accident in remote area.
Conflicting Evidence
No military acknowledgment, earthquake data inconsistent with aircraft crash.
Berwyn Mountain 1974 Wales UFO Incident - Eyewitness Testimony
Llandrillo residents
Local residents
[Multiple police reports]
""
Reported loud noise and bright lights [3]
""
Documented magnitude 3.5 earthquake at 20:38 GMT [1]
Meteor observers
General public across Wales and northern England
[Multiple independent reports]
""
Reported bright meteor at same time [2]
Berwyn Mountain 1974 Wales UFO Incident - Physical Evidence
Seismic Data
Current Status: Publicly available
Meteor Observational Data
Multiple reports of bright meteor over Wales and northern England at time of incident. [2]
Document Provenance:
Released by Various observers on 1974 via public reports.
Authentication: corroborated accounts
Current Status: Documented
Government Documents
Declassified Ministry of Defence files supporting earthquake-meteor explanation. [3]
Document Provenance:
Released by Ministry of Defence (UK) on 2000s via declassification.
Authentication: official documents
Berwyn Mountain 1974 Wales UFO Incident - Official Investigation
Investigating Body: Ministry of Defence (UK),
British Geological Survey
Methodology: Seismic monitoring, meteor observation analysis, witness interviews
Findings: Earthquake (magnitude 3.5) occurred simultaneously with bright meteor [1][2][3]
Official Conclusion: Natural phenomena accounted for all reported observations
SOURCE LOG
1
Harvard ADS – Earthquake data for Berwyn Mountains event [Link]
[primary]
2
McBeath, A. (2006) – The Berwyn Mountains UFO incident
[secondary]
3
Wikipedia – Berwyn Mountain UFO incident [Link]
[secondary]
4
WalesOnline – The truth about the Berwyn Mountains UFO incident [Link]
[secondary]
Editorial Note: This case file presents documented evidence and testimony regarding the Berwyn Mountain 1974 Wales UFO Incident. All statements are sourced with inline citations. Competing explanations are presented with equal analytical weight. UAPI does not draw conclusions about the nature or origin of observed phenomena.
