Mining Incidents

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Cada lesión y muerte que la MSHA tiene registrada. Filtra por estado, año, sector, clasificación, experiencia o cualquier palabra clave de la narrativa del investigador.

Incidentes totales
273,095
De los cuales mortales
1,202
Años en el registro
2000–2026
Clasificaciones
20
Filtros
Período
Experiencia al momento del incidente

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El registro

787 registros en total

Mostrando 50 de 787
20 de mayo de 2026 AZ · Metal/No metálico Obrero, Herrero, Cuadrilla, Mensajero de repuestos, Peón, Recolector, Operario de mina RESBALÓN O CAÍDA DE PERSONA
Freeport-McMoRan Sierrita Ops. · Caída a la pasarela o superficie de trabajo

The employee met with supervisors in a parking lot on the east side of the building. After the conversation, EE turned to walk back to the office and tripped over a wheel chock (angle iron) because EE did not fully clear it. EE fell onto EE's right knee and elbow. EE was wearing steel-toe boots, and no other PPE was involved.

5 de mayo de 2026 AZ · Metal/No metálico Obrero, Herrero, Cuadrilla, Mensajero de repuestos, Peón, Recolector, Operario de mina MANEJO DE MATERIALES
Freeport-McMoRan Sierrita Ops. · Sobreesfuerzo, no clasificado en otra parte

Employee felt a groin strain while cleaning but delayed reporting it until the end of the shift when the pain persisted.

24 de abril de 2026 AZ · Metal/No metálico Encargado de mantenimiento, Mecánico, Reparador/Encargado de servicio, Calderero, Abastecedor de combustible, Técnico de llantas, Técnico de servicio en campo GOLPEAR O CHOCAR
Freeport-McMoRan Sierrita Ops. · Golpeado contra un objeto fijo

Employee inspecting a hose stood up in a confined space and struck their hard hat on a frame causing their jaw to snap shut and chip a tooth with a minor gum laceration.

22 de abril de 2026 AZ · Metal/No metálico Encargado de mantenimiento, Mecánico, Reparador/Encargado de servicio, Calderero, Abastecedor de combustible, Técnico de llantas, Técnico de servicio en campo MANEJO DE MATERIALES
Freeport-McMoRan Sierrita Ops. · Contacto con objetos o sustancias calientes

Employee used Brakleen to remove hydraulic oil from their hands; after doing so they took a smoke break causing burns to their hands.

18 de abril de 2026 AZ · Metal/No metálico Operador de bulldozer, Operador universal, Operador de equipo pesado, Ingeniero operador MANEJO DE MATERIALES
Freeport-McMoRan Sierrita Ops. · Sobreesfuerzo, no clasificado en otra parte

The operator was dismounting equipment using a ladder when they experienced pain and noted swelling in the knee.

30 de marzo de 2026 AZ · Metal/No metálico Almacén, Manejador de suministros MANEJO DE MATERIALES
Freeport-McMoRan Sierrita Ops. · Caída a la pasarela o superficie de trabajo

While employee was removed tires from a connex for delivery, they noticed overlap of tires with an adjacent stack. As additional force was used to move the overlapped tire, the adjacent stack became unstable causing some tires to fall and strike the employee which resulted in the employee falling and straining their back.

22 de marzo de 2026 AZ · Metal/No metálico Ayudante de perforación MAQUINARIA
Freeport-McMoRan Sierrita Ops. · Sobreesfuerzo, no clasificado en otra parte

Employee was tailing a core tube out from a ct-20 to pull the sample. While tailing out the tube, the Kelly hose snagged on the wire line causing slack. As the tube came up changing the angle releasing the slack, dropping the back side of the tube 1 foot causing a strain on the helper right shoulder

2 de marzo de 2026 AZ · Metal/No metálico Conductor de camión de acarreo/fuera de carretera/carbón/mineral/mina/cantera/roca/llanta neumática, Conductor de camión de transporte TRANSPORTE MOTORIZADO
Freeport-McMoRan Sierrita Ops. · Golpeado por objeto proyectado

Employee experienced eye irritation from an unknown particle and attempted to flush their eye; later in the shift the irritation persisted and the employee was seen for an eye abrasion.

16 de enero de 2026 AZ · Metal/No metálico Ayudante de perforación TRASTORNOS (TRAUMA REPETIDO)
Freeport-McMoRan Sierrita Ops. · Sobreesfuerzo, no clasificado en otra parte

On 1.21.2026 Employee reported soreness in the right bicep that developed over time while performing normal work duties. Employee noted that on 1.16.2026 EE's shoulder had popped while adding a stick of HWT pipe to a drill string going in. Employee also noted that EE's shoulders pop on occasionally and thought the pain would stop, as pain increased, employee reported the injury.

2 de enero de 2026 AZ · Metal/No metálico Minero, Prospector, no clasificado en otra parte RESBALÓN O CAÍDA DE PERSONA
Freeport-McMoRan Sierrita Ops. · Caída desde andamios, pasarelas, plataformas

While climbing a pipe crossover, the individual's hands slipped from the handrail, causing a fall to the ground where they impacted their shoulder and elbow.

30 de diciembre de 2025 AZ · Metal/No metálico Encargado de mantenimiento, Mecánico, Reparador/Encargado de servicio, Calderero, Abastecedor de combustible, Técnico de llantas, Técnico de servicio en campo HERRAMIENTAS MANUALES (SIN MOTOR)
Freeport-McMoRan Sierrita Ops. · Golpeado contra un objeto fijo

During routine maintenance of the secondary slitter, the mechanic was adjusting the cutting wheels. While loosening the set screw, the employee's right hand thumb area made contact with the cutting blade, resulting in a laceration.

22 de diciembre de 2025 AZ · Metal/No metálico Encargado de mantenimiento, Mecánico, Reparador/Encargado de servicio, Calderero, Abastecedor de combustible, Técnico de llantas, Técnico de servicio en campo RESBALÓN O CAÍDA DE PERSONA
Freeport-McMoRan Sierrita Ops. · Sobreesfuerzo, no clasificado en otra parte

While walking the third floor of the secondary crusher area, the employee reported stepping on an uneven surface and subsequently experienced a sensation in the left leg.

10 de noviembre de 2025 AZ · Metal/No metálico Conductor de camión de acarreo/fuera de carretera/carbón/mineral/mina/cantera/roca/llanta neumática, Conductor de camión de transporte MAQUINARIA
Freeport-McMoRan Sierrita Ops. · Golpeado contra un objeto en movimiento

CAT79 experienced a rough load event while being loaded by Shovel 44, positioned on the outer edge of the cut and working in course material.

6 de noviembre de 2025 AZ · Metal/No metálico Conductor de camión de acarreo/fuera de carretera/carbón/mineral/mina/cantera/roca/llanta neumática, Conductor de camión de transporte MAQUINARIA
Freeport-McMoRan Sierrita Ops. · Golpeado contra un objeto en movimiento

Haul truck CAT82 was in the process of being loaded by Shovel 44 when, during the initial bucket load, a concealed boulder within the material struck the truck bed, resulting in a rough loading event.

6 de octubre de 2025 AZ · Metal/No metálico Conductor de camión de acarreo/fuera de carretera/carbón/mineral/mina/cantera/roca/llanta neumática, Conductor de camión de transporte ENFERMEDADES OCUPACIONALES DE LA PIEL
Freeport-McMoRan Sierrita Ops. · Absorción de radiaciones, cáusticos, sustancias tóxicas y nocivas

At 4 am a haul truck operator began to feel itchy. EE went to the restroom and discovered red bumps (rash) on EE's body. EE notified supervision.

3 de octubre de 2025 AZ · Metal/No metálico Encargado de mantenimiento, Mecánico, Reparador/Encargado de servicio, Calderero, Abastecedor de combustible, Técnico de llantas, Técnico de servicio en campo MANEJO DE MATERIALES
Freeport-McMoRan Sierrita Ops. · Atrapado en, bajo o entre un objeto en movimiento y uno fijo

EE was installing belt on pulley. EE's finger became caught between the pulley and the belt, amputating the tip of EE's right ring finger. EE was taken to the hospital for treatment. Taken off work.

30 de septiembre de 2025 AZ · Metal/No metálico Almacenista, Ensacador, Paletizador/Apilador, Encargado de almacén, Empacador, Fabricante, Operador de planta de lavado HERRAMIENTAS MANUALES (SIN MOTOR)
Freeport-McMoRan Sierrita Ops. · Golpeado por... no clasificado en otra parte

EE was working on cleaning out mixer. EE picked up a pry bar to break loose hardened material from mixer flights. While doing so, the ee hit the buildup of material and the force from pry bar hit EE in the face near EE's eyebrow / forehead area. EE suffered a laceration and needed stitches.

28 de septiembre de 2025 AZ · Metal/No metálico Almacenista, Ensacador, Paletizador/Apilador, Encargado de almacén, Empacador, Fabricante, Operador de planta de lavado MANEJO DE MATERIALES
Freeport-McMoRan Sierrita Ops. · Atrapado en, bajo o entre un objeto en movimiento y uno fijo

EE was using a swing gate to access a ladder. When EE let go of the gate, it swung back closed. The EE's finger was struck and it began to swell. Near the end of shift the EE informed supervision of the incident. EE was taken to the clinic and x-rays were done. EE had fractured EE's middle finger. EE was taken off work.

24 de septiembre de 2025 AZ · Metal/No metálico Encargado/operador de trituradora, Operador/trabajador de alimentador de bandeja MANEJO DE MATERIALES
Freeport-McMoRan Sierrita Ops. · Sobreesfuerzo al levantar objetos

EE was assisting a group of co-workers with moving a Knaack box into the Crush/Convey maintenance shop. EE was lifting on side of the box and then they realized they needed additional help due to the box being too heavy. After they were done the EE began to feel lower back pain. EE was seen and released. On 9/29/25 EE was issued Physical Therapy.

16 de septiembre de 2025 AZ · Metal/No metálico Encargado de mantenimiento, Mecánico, Reparador/Encargado de servicio, Calderero, Abastecedor de combustible, Técnico de llantas, Técnico de servicio en campo MAQUINARIA
Freeport-McMoRan Sierrita Ops. · Sobreesfuerzo, no clasificado en otra parte

EE was removing a 20" hugger with an impact when the nut came off of the bottom half of the hugger it dropped. The EE caught it and tweaked EE's back in the process. On 9/19/25 EE was seen and sent back to work. On 9/25/2025 EE was issued physical therapy.

27 de agosto de 2025 AZ · Metal/No metálico Electricista, Liniero MANEJO DE MATERIALES
Freeport-McMoRan Sierrita Ops. · Sobreesfuerzo al levantar objetos

EE was working on greasing fine ore feeder motors. They picked up a grease gun & felt a pop in their elbow. They continued to work & grabbed the grease gun again & felt another pop with instant pain. They reported it to supervision & was seen at the clinic & released. On 9/10/25 they went back to the clinic & was issued restrictions for an elbow strain.

23 de agosto de 2025 AZ · Metal/No metálico Encargado de mantenimiento, Mecánico, Reparador/Encargado de servicio, Calderero, Abastecedor de combustible, Técnico de llantas, Técnico de servicio en campo ENFERMEDADES OCUPACIONALES DE LA PIEL
Freeport-McMoRan Sierrita Ops. · Rozado o abrasionado

Employee was changing a sump pump while working in a muddy area; irritation from right foot friction with muck boots resulted in localized swelling and redness. Reported to supervisor on 08/25/25.

7 de agosto de 2025 AZ · Metal/No metálico ATRAPAMIENTO
Freeport-McMoRan Sierrita Ops. · Tipo de accidente, sin lesiones

On 8/7/2025, Mill control stated that an employee was stuck in the east freight elevator at the mill. MSHA was notified and at 1:06 pm the EE was freed from the elevator. Elevator company was dispatched to scene and freed the EE. Investigation is on-going.

23 de julio de 2025 AZ · Metal/No metálico Almacenista, Ensacador, Paletizador/Apilador, Encargado de almacén, Empacador, Fabricante, Operador de planta de lavado MANEJO DE MATERIALES
Freeport-McMoRan Sierrita Ops. · Golpeado por objeto que cae

During the harvest process at Tankhouse, ee had to remove a cathode, weighing approx. 152 lbs on the strongback prior to unloading. The ee lowered the strongback to approx. shoulder height to detach the cathode by removing the hanger bar. The loop failed and broke off, landing on the ee's foot. EE sustained a fracture and laceration. Received stitches and taken off work.

15 de julio de 2025 AZ · Metal/No metálico Obrero, Herrero, Cuadrilla, Mensajero de repuestos, Peón, Recolector, Operario de mina MANEJO DE MATERIALES
Freeport-McMoRan Sierrita Ops. · Golpeado por objeto que cae

EE was ball charging in the Mill. The bin became low. They used a ball to throw up into the bin to attempt to get more balls to come down. EE was wearing impact gloves. The balls started to come down and pinched their left pinky finger, causing a fracture to the distal tuft (tip of finger). Was released back to work wrapped with coban.

3 de julio de 2025 AZ · Metal/No metálico Encargado de mantenimiento, Mecánico, Reparador/Encargado de servicio, Calderero, Abastecedor de combustible, Técnico de llantas, Técnico de servicio en campo MANEJO DE MATERIALES
Freeport-McMoRan Sierrita Ops. · Atrapado en, bajo o entre un objeto en movimiento y uno fijo

RAM Belt Team was performing work on the 8D feeder belt. While maneuvering the I-beam on the deck, two RAM employees - one pulling and one pushing - attempted to slide the I-beam into position. During this process, one team member's right pinky finger was pinched between the I-beam and the structure.

29 de junio de 2025 AZ · Metal/No metálico Conductor de camión de acarreo/fuera de carretera/carbón/mineral/mina/cantera/roca/llanta neumática, Conductor de camión de transporte RESBALÓN O CAÍDA DE PERSONA
Freeport-McMoRan Sierrita Ops. · Caída desde una máquina

EE was dismounting a haul truck from night shift. EE was on the lower platform of the truck when EE's backpack became hung up on the handrail. As EE was trying to free the backpack, EE lost EE's footing and fell to the ground. EE sustained a laceration to EE's face and soreness in EE's neck. EE received 13 stitches and was taken off work.

24 de junio de 2025 AZ · Metal/No metálico Ayudante de mecánico MANEJO DE MATERIALES
Freeport-McMoRan Sierrita Ops. · Golpeado por objeto proyectado

EE was removing placement bars on the reject chute cover. The last bar was under tension and when it released it struck EE in the face. EE sustained a broken tooth and a laceration to EE's mouth. EE received 8 stitches.

16 de junio de 2025 AZ · Metal/No metálico Oficinista, Controlador de tiempo, Trabajador de oficina, Director de ventas RESBALÓN O CAÍDA DE PERSONA
Freeport-McMoRan Sierrita Ops. · Sobreesfuerzo, no clasificado en otra parte

EE was providing a site tour to auditors. EE was walking out of the man van and twisted an ankle without feeling pain. EE notified supervisor was treated and released. On 8/13/2025 they were diagnosed with a nondisplaced microtrbecular fracture. EE was also issued PT.

11 de junio de 2025 AZ · Metal/No metálico Operario de servicios generales, Técnico de turno, Operador de camión de servicio/volteo TRASTORNOS (AGENTES FÍSICOS)
Freeport-McMoRan Sierrita Ops. · Contacto con el calor

EE was showing other employees how the computers are utilized in the office building. EE began to feel ill. ERT was contacted and EE was taken to the hospital for further evaluation. Diagnosed with dehydration.

6 de mayo de 2025 AZ · Metal/No metálico Operario de servicios generales, Técnico de turno, Operador de camión de servicio/volteo HERRAMIENTAS MANUALES (SIN MOTOR)
Freeport-McMoRan Sierrita Ops. · Golpeado por... no clasificado en otra parte

Employee was working on a buggy whip when the screwdriver being utilized slipped and penetrated the right index finger. Employee received stitches and was released to work.

30 de abril de 2025 AZ · Metal/No metálico INCENDIO
Freeport-McMoRan Sierrita Ops. · Tipo de accidente, sin lesiones

Motor grader fire. Unknown cause. Operator exited equipment and issued a Mayday. Local fire department and FMI water trucks responded.

30 de abril de 2025 AZ · Metal/No metálico Plomero, Tubero, Montador mecánico MANEJO DE MATERIALES
Freeport-McMoRan Sierrita Ops. · Atrapado en, bajo o entre un objeto en movimiento y uno fijo

Employee was removing liner plates. While handing an 8" x 4' piece from the regrind cell to the employee standing on the deck. Their finger was caught between the piece and the handrail.

30 de abril de 2025 AZ · Metal/No metálico Encargado/operador de trituradora, Operador/trabajador de alimentador de bandeja RESBALÓN O CAÍDA DE PERSONA
Freeport-McMoRan Sierrita Ops. · Caída desde una máquina

EE was getting off a dump truck. As they stepped back, they slipped on mud from the top step. As they landed, they rolled their left ankle. EE sustained a sprain to an ankle. EE was issued restrictions.

29 de abril de 2025 AZ · Metal/No metálico Encargado de mantenimiento, Mecánico, Reparador/Encargado de servicio, Calderero, Abastecedor de combustible, Técnico de llantas, Técnico de servicio en campo MANEJO DE MATERIALES
Freeport-McMoRan Sierrita Ops. · Atrapado en, bajo o entre un objeto en movimiento y uno fijo

While removing the axle shaft from the right final for the final PCR, the shaft was stock. The technician started to move the shaft to release it. The shaft shot backwards, pinning the technician's right hand against the forklift and mast. The technician sustained a fracture to the hand. Employee was issued restrictions.

28 de abril de 2025 AZ · Metal/No metálico Operador de molino de bolas/barras/guijarros/manual/caliza/seco, Operador de rodillo HERRAMIENTAS MANUALES (SIN MOTOR)
Freeport-McMoRan Sierrita Ops. · Golpeado por objeto proyectado

EE was conducting work in the mill underflow tubs by chipping away steel ball chips from the grating when a piece of metal went into their eye and began causing discomfort. EE was taken to get medical treatment and was prescribed an antibiotic.

25 de abril de 2025 AZ · Metal/No metálico Operador de circuito de agua, Operador de lodos, Operador de mezcla, Trabajador operador de bombas EXPLOSIÓN DE RECIPIENTES A PRESIÓN
Freeport-McMoRan Sierrita Ops. · Golpeado por objeto proyectado

EE was removing a valve stem cover plate. After removing the first 4 bolts, they proceeded to remove 2 more. As EE was removing the second, the knife valve split apart, causing slurry to shoot out the side. Slurry came into contact with the EE. EE sustained abrasions and multiple contusions. EE was issued restrictions.

25 de abril de 2025 AZ · Metal/No metálico Encargado de mantenimiento, Mecánico, Reparador/Encargado de servicio, Calderero, Abastecedor de combustible, Técnico de llantas, Técnico de servicio en campo MANEJO DE MATERIALES
Freeport-McMoRan Sierrita Ops. · Golpeado por objeto que cae

while lining up the new filter to insert all thread a pebble fell off the shelf bounced past my face shield and passed through the top gap in my glasses and into the inside corner of my right eye. It instantly began burning

18 de marzo de 2025 AZ · Metal/No metálico Electricista, Liniero RESBALÓN O CAÍDA DE PERSONA
Freeport-McMoRan Sierrita Ops. · Caída por escaleras

EE was inspecting #2 drying air compressor. After they inspected the equipment, they stepped back off the concrete pad & their foot missed the lower step. Their foot caught a wood plank which gave way. They stumbled and fell to the ground. They reached back to brace their fall & injured left shoulder. They felt & heard a pop. Employee was issued restrictions.

17 de marzo de 2025 AZ · Metal/No metálico Encargado/operador de trituradora, Operador/trabajador de alimentador de bandeja MANEJO DE MATERIALES
Freeport-McMoRan Sierrita Ops. · Golpeado por objeto que cae

EE was dumping in the drop box. As they were placing the cover back on it broke off & hit their little toe on right foot behind the steel toe cover. The contact caused a fracture to the little toe. EE was issued restrictions.

25 de enero de 2025 AZ · Metal/No metálico Conductor de camión de acarreo/fuera de carretera/carbón/mineral/mina/cantera/roca/llanta neumática, Conductor de camión de transporte MANEJO DE MATERIALES
Freeport-McMoRan Sierrita Ops. · Atrapado en, bajo o entre un objeto en movimiento y uno fijo

EE stopped for an operator break. EE went to the passenger door to get hard hat. When EE closed the door, EE's sleeve became caught on the door and EE hurt wrist. EE was taken to the emergency room and given a splint. On 1/27 EE was issued restrictions.

16 de enero de 2025 AZ · Metal/No metálico Almacenista, Ensacador, Paletizador/Apilador, Encargado de almacén, Empacador, Fabricante, Operador de planta de lavado MANEJO DE MATERIALES
Freeport-McMoRan Sierrita Ops. · Sobreesfuerzo al jalar o empujar objetos

EE was moving skimmers onto a flatbed truck. EE was pulling/pushing the skimmer when EE heard a "crunching" noise in shoulder. EE reported the incident & was taken off site. On 1/18 EE was issued restrictions.

7 de enero de 2025 AZ · Metal/No metálico Encargado de mantenimiento, Mecánico, Reparador/Encargado de servicio, Calderero, Abastecedor de combustible, Técnico de llantas, Técnico de servicio en campo MAQUINARIA
Freeport-McMoRan Sierrita Ops. · Golpeado por... no clasificado en otra parte

EE was using an impact wrench to remove bolts from the wear segments on a loader. EE placed a hand on the bottom edge to hold the carriage bolt up while using an impact gun. It spun the nut off. The bolt head spun causing a laceration to EE's left index finger and middle finger. EE was wearing protective gloves at the time. EE received stitches and restrictions.

23 de diciembre de 2024 AZ · Metal/No metálico Encargado de mantenimiento, Mecánico, Reparador/Encargado de servicio, Calderero, Abastecedor de combustible, Técnico de llantas, Técnico de servicio en campo HERRAMIENTAS MANUALES (SIN MOTOR)
Freeport-McMoRan Sierrita Ops. · Golpeado por objeto proyectado

EE was in the process of changing a pin on the incher. When EE tried to remove it by hitting it with a hammer, a piece of the hammer metal came off of the pin and went into EE's leg. Embedded piece was not removed.

22 de diciembre de 2024 AZ · Metal/No metálico Encargado/operador de trituradora, Operador/trabajador de alimentador de bandeja MANEJO DE MATERIALES
Freeport-McMoRan Sierrita Ops. · Golpeado por... no clasificado en otra parte

EE was attempting to connect a hose to a vac truck when a piece of metal that was fraying from the hose penetrated the employee's right middle finger. It traveled inside & exited the finger. EE received stitches & restrictions.

8 de noviembre de 2024 AZ · Metal/No metálico Encargado/operador de trituradora, Operador/trabajador de alimentador de bandeja PISAR O ARRODILLARSE SOBRE UN OBJETO
Freeport-McMoRan Sierrita Ops. · Golpeado contra un objeto fijo

EE had completed a change out of an idler. EE was walking down the grated walkway when EE stepped on a rock in the grating and twisted right ankle. EE sustained a right ankle sprain. EE was issued restrictions.

5 de noviembre de 2024 AZ · Metal/No metálico Operador de circuito de agua, Operador de lodos, Operador de mezcla, Trabajador operador de bombas RESBALÓN O CAÍDA DE PERSONA
Freeport-McMoRan Sierrita Ops. · Caída sobre o contra objetos

While the employee was preparing emulsion in the rear of a slurry truck, a coworker called for their attention. As the employee descended the stairs and began walking towards the coworker, they did not notice a 2-inch load hose lying on the ground. This resulted in them tripping over the hose and sustaining a fracture to their right ankle.

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