27/07/2025
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๐ ๐๐น๐ผ๐ฏ๐ฎ๐น ๐ฆ๐๐ฏ๐ฑ๐๐ฐ๐๐ถ๐ผ๐ป ๐ญ๐ผ๐ป๐ฒ๐ ๐ฅ๐ฎ๐ป๐ธ๐ฒ๐ฑ ๐ฏ๐ ๐๐ฎ๐ฟ๐๐ต๐พ๐๐ฎ๐ธ๐ฒ ๐ฃ๐ผ๐๐ฒ๐ป๐๐ถ๐ฎ๐น
This map breaks down the worldโs subduction zones into 200 km segments, ranked by their seismic threat level.
๐ด Red = Highest potential for large megathrust earthquakes (Mw 8.5+)
๐ข Green = Lower potential or low coupling
โ ๏ธ Notice Makran (Mk) in the Arabian sea and the Gulf of Oman, categorized in the highest risk group despite long-term silence.
Subduction zones like the Nankai Trough, Cascadia, and Sumatra have produced some of the most catastrophic tsunamis and ruptures in history. This map offers a comparative view of subduction zone segments worldwide, highlighting where stress is most likely accumulating, and where future large earthquakes may occur.
๐ Source: Heuret et al., 2013 (PEPI)
