Popis: |
Seismic hazard analysis for Halmahera region was conducted using PSHA and DSHA methods. The USGS Harmsen 2007 software was used to run probability calculation for return periods of 500 years 10% probability of exceedance within 50 years age of the building on the condition T = 0, T = 0.2 and T = 1. The results show a maximum PGA value in bedrock (0.15 g – 0.26 g), SA T = 0.2 (0.30 g – 0.53 g) and T = 1 (0.12 g – 0.192 g). The Shakemap software modificated by BMKG 2015 was used to run deterministic calculations with earthquake source scenario form a fault plane with magnitude Mw = 8.1, in depth of 20 km. The results obtained a maximum PGA (0.21 g – 0.44 g) with PGA distribution shaped fault plane trace, nearby areas by fault plane have a maximum PGA and away from the fault plane have a minimum PGA. |