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Jakarta Post

Scientists warn of earthquake risks in South Sulawesi

  • Andi Hajramurni and Benny Mawel

    The Jakarta Post

PREMIUM
Makassar and Jayapura   /   Sat, February 15, 2020   /  10:14 am
The Jakarta Post Image
A view of the city of Palu, Central Sulawesi, after an earthquake and tsunami struck on Sept. 28, 2018.(JP/Dhoni Setiawan)

The National Disaster Mitigation Agency (BNPB) has warned about a possible earthquake caused by the Walanae fault that runs underneath South Sulawesi province. The Walanae fault is an active fault that moves between 2 to 4 centimeters per year. Although the speed of the motion, at 5 cm per year, is not as significant as the Palu-Koro fault that caused the tsunami in 2018, it has the potential to cause an earthquake with an intensity of VIII to X Modified Mercalli Intensity Scale (MMI), BNPB head Doni Monardo said during an event in Makassar on Monday. The MMI scores VIII, IX and X are considered severe and violent and can cause extreme structural damages, according to the United States Geological Survey. The score VIII means great damage in poorly built structures, while X means some well-built wooden structures are destroyed, frame structures destroyed with foundations and rail...