The Bulletin of Geology is a fully open access journal, which means that all published content is freely accessible to readers worldwide without subscription or payment. Users are permitted to read, download, copy, distribute, print, search, or link to the full texts of articles without seeking prior permission from the publisher or authors, in accordance with the principles of the Budapest Open Access Initiative (BOAI).

By adopting an open access model, the journal aims to promote the widest possible dissemination of scientific knowledge and to support global access to high-quality research in the geosciences, particularly for researchers, educators, policymakers, and practitioners in Indonesia and the surrounding region.