30 CFR § 57.3461 - Rock bursts.
(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(i) Causes persons to be withdrawn;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.
(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
(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.
The following state regulations pages link to this page.