# FALL OF FACE/RIB/PILLAR/SIDE/HIGHWALL
> MSHA accident `220113210009` · 11/16/2011 · Hecla Limited
## Details
- **Degree of injury:** ACCIDENT ONLY
- **Classification:** FALL OF FACE/RIB/PILLAR/SIDE/HIGHWALL
- **Accident type:** Accident type, without injuries
- **Occupation:** —
- **Activity:** —
- **Injury source:** —
- **Nature of injury:** —
- **Body part:** —
- **Days lost:** 0
- **Mine experience:** — years
## Operator
- **Controller:** Hecla Mining Company
- **Operator:** Hecla Limited
- **Mine:** [1000088](https://api.ai-analytics.org/mine/1000088)
## Narrative

We experienced a rock burst on the 5900 mainline during our scheduled blasting time. The rock burst measured over a 2.8 Richter. The rock burst caused some damage in the 5900 54 Ramp as well.

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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*