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List of Important Infrastructure and Tourist Attractions in the Lembang Fault Route

Jakarta, CNNIndonesia

Lembang Faultone of six active faults or faults that have the potential to cause earthquakeextending to densely populated settlements and critical infrastructure.

Based on information from the Meteorology, Climatology and Geophysics Agency (BMKG), the Lembang Fault is one of 81 active faults in Indonesia. This fault is located 8 to 10 kilometers north of the city of Bandung.

The Lembang Fault has a 29-kilometer fault that is still actively moving at a speed of up to 6 millimeters per year.


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There are six fault segments that are not straight on the Lembang fault. The six faults are Cimeta, Cipogor, Cihideung, Gunung Batu, Cikapundung and Batu Lonceng.

The Lembang Fault is located north of Bandung, stretching for approximately 30 km in a west-east direction. It stretches from the Padalarang District (West Bandung Regency) in the west to the Cilengkrang District (Bandung Regency) in the east.

“One of the evidences for the existence of a fault line at this location is the development of joint structures in igneous rocks with very high intensity,” he was quoted as saying from the Geophysics Study: Distribution of Earthquake Epicenters in the West Java RegionJune 2022, from BMKG Bandung Geophysics Station.

In the western part, the height of the Lembang fault is sloping and currently the area is dominated by rice fields and residents’ houses.

Based on the map, the western fault, which was formed 27,000 years ago, is known to pass through a number of important infrastructures, such as the Cipularang toll road, the Jakarta-Bandung railroad, and the Jakarta-Bandung high-speed rail.

Meanwhile, on the east side, the Lembang fault has a protruding structure with a steepness of up to 40 degrees. Because it has a shape resembling a giant wall, this fault has become a tourist attraction in the city of Bandung.

The eastern fault, which was formed 200,000 years ago, passes through a number of tourist attractions, including the Karaton Cliff, The Lodge, Maribaya Hot Spring, Mount Batu, and Bukit Bintang.

Furthermore, the Lembang fault is known to be still active and can be seen from the shift of the rivers around it, such as Cimeta, Cihideung, Cimahi, and Cikapundung. The magnitude of the shift also depends on the age of the river. The older the river, it will record longer shifts.

So far, the history of earthquakes from the Lembang fault is still below Magnitude 5.

On August 28, 2011, the Lembang fault was the mastermind behind an earthquake with a magnitude of 3.3 at a very shallow depth. As a result, 384 houses were damaged in Muril Village, West Bandung Regency.

In addition, the M 2.8 earthquake on 14 June 2017 and the M 2.9 earthquake on 18 June 2017; there is also seismic activity on December 13, 2021 with M 2.5.

(lom/arh)



[Gambas:Video CNN]


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