Which major right-lateral strike-slip geological fault traverses the entire length of Sumatra, creating significant earthquake risks parallel to the subduction trench?
Answer and explanation
Correct answer: B. Great Sumatran Fault (Semangko Fault)
- Step 1: The Great Sumatran Fault accommodates oblique plate convergence along Sumatra through strike-slip displacement. Step 2. It is segmented into numerous fault sections passing through populated highland valleys. Answer: Great Sumatran Fault (Semangko Fault). Why not the others: Palu-Koro Fault triggered the 2018 Palu earthquake in Central Sulawesi.
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