Abstract
One of the important faults in Java Islands, Indonesia is the Cimandiri fault zone. It is said the fault has the potential to generate a large earthquake in the near future. Therefore, for mitigating the risk because of the sudden earthquake around the fault in the future and understanding the character of the fault, the investigation around the fault has been applied by using the gravity method. There were 42 gravity sites which deployed in the surrounding of the fault and acquired by using a gravimeter. All necessary corrections such as tidal, instrument drift, latitude, free-air, Bouguer, topographical corrections have been applied. The results presented that the higher amplitude of the residual gravity anomalies values relates to some mountains zone in the study area. It is possibly associated with the volcanic rocks in these areas. In addition, the low amplitude of the residual gravity anomalies is associated with the location of the Cimandiri fault zone and some low elevation areas, which is possibly caused by the existence of the sedimentary products in these areas.
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