Firdaus, SR, UA Ahmad, FB Syauqi, . Daryono, FC Mustofa, HA Nugroho, I. Farady, and WP Tresna. “Geofenced Earthquake Notification System Using Haversine-Based Distance Calculation and MMI Intensity Estimation”. International Journal of Geoinformatics 22, no. 8 (August 30, 2026): 1. Accessed August 31, 2026. https://ijg.journals.publicknowledgeproject.org/index.php/journal/article/view/5146.