Estimating Seismic Hazard Using GIS For The State Of Sabah, Malaysia
- Publication Type:
- Conference Proceeding
- Proceedings of the ACRS 2018 Conference, 2018, 1 pp. 97 - 103
- Issue Date:
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The state of Sabah, Malaysia is not forever immune to seismic risk from global tectonic boundaries but always under risk due to the local active faults. The patches of intersecting active faults can be found in the hilly regions of the Sabah that have resulted more than 65 earthquakes. Till date, researchers have not focused on the intersecting lineaments and faults of Sabah. Therefore, we have proposed the critical triangular analysis on these patches of intersection to find out the zone of risk where most of the earthquakes are happening. To the end, we prepared the PGA map and intensity map based on the historical earthquakes recorded. However, PGA and Intensity maps have been prepared using the Campbell attenuation model. The highest PGA and intensity values resulting from this study are 0.07 and 7, respectively. Our results shows that the critical zone of intersecting faults is the region coming under high intensity and PGA values. It is clearly pinpointing that the intersection of faults and lineaments lead to produce a large number of earthquakes, where the highest magnitude of earthquakes can be found due to the influence of intersecting fault movements.
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