Bandung Earthquake Triggered by Unmapped Fault: BNPB

The National Disaster Mitigation Agency (BNPB) has announced that the recent 5.0 magnitude earthquake that struck Bandung District on September 18 was caused by an unmapped active fault.

Details of the Earthquake

Abdul Muhari, Head of the BNPB Disaster Data, Information, and Communication Center, explained that initial investigations suggested the Garsela Fault was responsible. However, further analysis indicated that the earthquake likely originated from a fault not previously identified on maps. He clarified that the quake was not related to either segment of the Garsela Fault or the Lembang Fault.

Ongoing Research and Concerns

Muhari expressed concern over the implications of this unmapped fault and emphasized the importance of further study to identify previously unknown fault points. This research aims to enhance disaster preparedness and potentially reduce fatalities in future incidents.

He is currently awaiting additional information from the National Research and Innovation Agency (BRIN) and the Volcanology and Geological Disaster Mitigation Agency (PVMBG) to determine the exact fault responsible for the earthquake.

Public Safety Reminders

Residents are advised to remain vigilant for possible aftershocks. Those living in damaged or unsafe homes are urged to evacuate to designated safe areas. Muhari reiterated the importance of public safety and encouraged people to stay informed about the situation.

The earthquake, which occurred at 9:41 AM local time, had its epicenter located 25 kilometers southeast of Bandung District and was recorded at a depth of 10 kilometers. The BNPB continues to monitor the situation closely to ensure the safety of affected communities.

The recent 5.0 magnitude earthquake that struck Bandung District on September 18 was caused by an unmapped active fault, according to the National Disaster Mitigation Agency (BNPB).

Key Findings

• Unmapped Fault Identification: Abdul Muhari, Head of BNPB’s Disaster Data, Information, and Communication Center, stated that while the Garsela Fault was initially thought to be responsible, further analysis indicated the involvement of an unmapped fault.
• Clarification on Faults: Muhari confirmed that the earthquake did not originate from the known segments of the Garsela Fault or the Lembang Fault, highlighting the need for more comprehensive geological mapping in the region.

Ongoing Research Efforts

BNPB is actively pursuing further studies to identify and map active fault lines that have not yet been documented. This initiative is crucial for improving disaster preparedness and minimizing potential casualties in future seismic events.

• Collaboration with Other Agencies: The agency is awaiting information from the National Research and Innovation Agency (BRIN) and the Volcanology and Geological Disaster Mitigation Agency (PVMBG) to confirm the specifics of the fault responsible for the earthquake.

Safety Measures for Residents

• Vigilance and Evacuation: In light of possible aftershocks, residents are urged to remain alert. Those in damaged or unsafe homes should evacuate to designated safe areas to ensure their safety.
• Public Communication: Muhari stressed the importance of staying informed and following guidance from authorities during this time.

The earthquake occurred at 9:41 AM local time, with its epicenter located 25 kilometers southeast of Bandung District and a depth of 10 kilometers. The BNPB continues to monitor the situation closely, prioritizing the safety and well-being of affected communities.