Unusual Occurrence Report for Groundfall or Rockburst in Surface Mine - Fillable PDF Form

The purpose of the Unusual Occurrence Report for Groundfall/Rockburst is to provide Ontario mining operations with a standard means of collecting and reporting pertinent information on these types of occurrences. The report was originally developed in 1988 and subsequently revised in 1994, 2000, 2008, 2013, and 2023. See also: Reference Document for Preparing Unusual Occurrence Report for Groundfall or Rockburst