Global UFO Archive
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United Kingdom / 1974 / EXPLAINED

Berwyn Mountain incident

Reports of lights and an impact-like event in Wales became associated with UFO crash theories.

Berwyn Mountain incident low-confidence research dossier cover
Low-confidence or disputed-case cover prepared for Berwyn Mountain incident. The selected BBC News source was checked, but no reliable reusable event image or video frame was selected. This cover is not presented as event evidence.
CredibilityC
StatusEXPLAINED
Evidence types3
Official sources0
Last reviewed2026
Archive assessment

This archive treats the case as explained or substantially resolved by conventional evidence.

Documentation
Limited documentation
Primary location
North Wales
Source base
2 linked records
Research use
Comparison case

Case dossier

Berwyn Mountain incident is a notable UFO/UAP report from North Wales. The case is tracked as part of the launch archive because it is searchable, source-linked, and useful for comparison across countries, eras, evidence types, and explanations.

Timeline

  • Berwyn Mountain incident is reported in North Wales.
  • The case enters public UFO/UAP discussion through reports, archives, or later summaries.
  • The case is indexed with sources, evidence notes, and skeptical context.

Evidence matrix

Reported evidencelights
Reported evidenceground reports
Reported evidenceseismic event

Evidence assessment

Reported evidence includes lights, ground reports, seismic event.

lightsground reportsseismic event

Official context

The event is widely connected with an earthquake and meteor reports.

Skeptical notes

Seismic activity, meteors, and rumor formation explain much of the case.

Sources