About the document

For some topics, Explanatory Notes have been written to supplement the Independent Expert Scientific Committee on Unconventional Gas Development and Large Coal Mining Development (IESC) Information Guidelines, providing tailored guidance and up-to-date robust scientific methodologies and tools for specific components of environmental impact assessments.

The Information Guidelines Explanatory Note - Subsidence associated with coal seam gas production provides tailored guidance and up-to-date robust scientific methodologies and tools for assessing the risk and magnitudes of subsidence (one source of surface movement) and its environmental impact due to coal seam gas development.

On 15 December 2023, the Nature Repair (Consequential Amendments) Act 2023 amended the EPBC Act to expand the IESC’s remit to all unconventional gas developments. This publication was developed prior to these amendments of the EPBC Act commencing.

The summary guide provides a short, simplified summary of the Explanatory Note for proponents and consultants. Updates to IESC Information Guidelines and Explanatory Notes will be undertaken as new methodologies and tools become available.

Further information

• Information guidelines for proponents preparing coal seam gas and large coal mining development proposals