Accident: PEPCON disaster

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Accident: PEPCON disaster Gender: N/A
Industrial explosions
born on 4 May 1888 at 11:51 (= 11:51 AM )
Place Henderson, Nevada, 36n02, 114w59
Timezone PST h8w (is standard time)
Data source
Rodden Rating B
Collector: Scholfield
Astrology data s_su.18.gif s_taucol.18.gif 14°44' s_mo.18.gif s_piscol.18.gif 06°07 Asc.s_leocol.18.gif 23°43'

Accident: PEPCON disaster


American industrial disaster at the Pacific Engineering and Production Company of Nevada (PEPCON) plant. The conflagration and subsequent explosions killed two people, injured 372 others, and caused an estimated 100 million USD of damage. A large portion of the Las Vegas Valley within a 10-mile (16 km) radius of the plant was affected, and several agencies activated disaster plans.

A 2012 NASA case study described the event as the largest American, non-nuclear explosion in recorded history.

Authorities found the remains of Bruce Halker, the Plant Manager, but no trace of the other victim, the Controller Roy Westerfield, was ever found. Emergency medical services treated and transported about 100 patients to five hospitals in the region, with the remaining 200 to 300 heading into hospitals on their own volition. Many of the injured had been struck by flying glass when windows were shattered.

Link to Wikipedia biography


  • associate relationship with Johnson, Rebekah (born 4 May 1988). Notes: Youngest victim and survivor
  • associate relationship with Westerfield, Roy (born 30 September 1925). Notes: Victim

Source Notes

From Wikipedia: "Product stored in an area north of the process building heated up and approximately 7 minutes later at 11:51 a.m., an aluminum econobin containing approximately 4,000 pounds (1,800 kg) of AP, located about 30 feet (9 m) west of the northwest corner of the building detonated causing damage to the surrounding structures and batch dryer" [1].

The source is given as: Luzik, Steven J., Industrial Safety Division, U.S. Dept of Labor, Bruceton Safety Technology Center, Industrial Safety Division, Fire and Explosions Investigation Pacific Engineering and Production Company of Nevada May 4, 1988, 1988.


  • Mundane : Disasters : Accidents