Java Island is the most populated island in Indonesia with a population over 145 million. It causes mitigation of natural disaster is very important to decrease the damage. Earthquake become one of the natural disasater often happens in Java Island. We make classification about earthquake in java island using K-Means Algorithm The data is taken from Indonesian Agency Meteorology, Climatology and Geophysics (BMKG) twitter @infoBMKG using hastag word '#Gempa', data start from December 2018 to Maret 2020.
This research article already publish in https://jdi.upy.ac.id/index.php/jdi/article/view/70 ^^