Comparative Clustering of Earthquake Data in Central Java Using DBSCAN, HDBSCAN, STDBSCAN, and Fuzzy C-Means - Kurniawati, Irma; Adhi, M. Aryono; Supriadi; Sulhadi; Arriza, Hanifullah Hafidz; Sinambela, Marzuki (2025 5th International Conference on Electronic and Electrical Engineering and Intelligent System (ICE3IS), Electronic and Electrical Engineering and Intelligent System (ICE3IS), 2025 5th International Conference on, 2025)