Pratikno, Fathony Akbar, et al. “Coulomb Stress Analysis of Halmahera Earthquake on June 7th 2016, Mw=6.3 and Its Correlation With Aftershocks”. IPTEK The Journal for Technology and Science, vol. 30, no. 2, July 2025, pp. 41-44, https://journal.its.ac.id/index.php/jts/article/view/4337.