The observation of ULF emission recorded in geomagnetic station is a powerful study of short term earthquake precursor. Anomalies that arise when there is no disturbance magnetic storm can be considered as precursors of earthquake. The data used in this research were geomagnetic data recorded in LWA station and earthquake data. The earthquakes were on September 23, 2015 (5.1 Mw (mB)), October 1…