Moelfferna Quarry Rockfall, 1915

Date1915
MineDeeside and Moelfferna Quarries
RegionDenbighshire
TypeCollapse / Roof Fall
Fatalities2 (Robert Jones and John Lloyd.)
InjuriesNone recorded beyond the two deaths.
Context During active mining

Two quarrymen, Robert Jones and John Lloyd, were crushed by an unexpected rockfall weighing a hundred tons at the quarry in 1915.

Cause

An unexpected fall of rock weighing about a hundred tons.

Contributing factors

Nothing is recorded in the sources read.

What happened

Nothing survives in the sources read beyond the fact and the weight: two men, an unexpected fall, a hundred tons. It is the second of the two serious accidents Wikipedia records here in a decade, the first being the runaway wagons of 1907 that killed Edward Rowlands.

Rescue & recovery

Nothing is recorded of the recovery in the sources read.

Investigation & inquiry

No inquest report has been found.

Legal & regulatory aftermath

Nothing recorded in the sources read.

Changes to practice & legislation

Nothing recorded in the sources read.

Memorials & commemoration

No memorial specific to the accident has been identified.

Recorded claims

Individual factual claims, each attached to the source(s) that support it below. Where sources disagree, both are kept.

Sources

  1. (secondary) Deeside and Moelfferna quarries — Wikipedia
  2. (primary) Moel Fferna Slate Mine, NPRN 308669 — Coflein, Royal Commission on the Ancient and Historical Monuments of Wales

Record created: 9 September 2026 · Last researched: 9 September 2026