---
kind: "section"
citation: "30 C.F.R. § 57.3461"
title: "30"
number: "57.3461"
heading: "Rock bursts."
url: "https://uscodex.org/cfr/30/57.3461"
---

# §57.3461. Rock bursts.

- (a) **Operators of mines which have experienced a rock burst shall—**
  - (1) **Within twenty four hours report to the nearest MSHA office each rock burst which—**
    - (i) Causes persons to be withdrawn;
    - (ii) Impairs ventilation;
    - (iii) Impedes passage; or
    - (iv) **Disrupts mining activity for more than one hour.**
  - (2) Develop and implement a rock burst control plan within 90 days after a rock burst has been experienced.
- (b) The plan shall include—
  - (1) Mining and operating procedures designed to reduce the occurrence of rock bursts;
  - (2) Monitoring procedures where detection methods are used; and
  - (3) **Other measures to minimize exposure of persons to areas which are prone to rock bursts.**
- (c) The plan shall be updated as conditions warrant.
- (d) The plan shall be available to an authorized representative of the Secretary and to miners or their representatives.

## Notes

### Authority

Authority: 30 U.S.C. 811.

### Source

Source: 51 FR 36198, Oct. 8, 1986, unless otherwise noted.

### Authority

Authority: 30 U.S.C. 811.

### Source

Source: 50 FR 4082, Jan. 29, 1985, unless otherwise noted.