The subduction zone (megathrust) of the Sunda arc is an active area and historically many large d... more The subduction zone (megathrust) of the Sunda arc is an active area and historically many large destructive earthquakes occur. This zone extends from the Andaman island to the Northwest and from the Banda arc to the west with a length of about ± 3000 km. This subduction zone is produced from a collision between two plates, the Indo-Australian plate and the Southeast Asian plate. Where is the Indo-Australian plate subduct to the bottom of the Southeast Asian plate. The attenuation equation in the subduction zone (megathrust) of the Sunda arc has not been widely developed in Indonesia. So it still refers to the equation of attenuation in subduction zones of other regions. For this reason, attenuation equations are needed in the subduction zone (megathrust) of the Sunda arc and mapping the model of the affected area due to the earthquake in the area. Data used to produce attenuation equation of 71 earthquake events with total data 1236 data. The PGA value used for the calculation of the attenuation equation ...
In this study, we analyze acceleration data using H/V spectral ratio to study characteristics of ... more In this study, we analyze acceleration data using H/V spectral ratio to study characteristics of local site effect. We then, investigate reliability of HVSR method to classified the stations according Zhao (2006) scheme. The final results show the convenience of HVSR scheme to classified the stations that could be used with more confidence for the stations with more records.
The subduction zone (megathrust) of the Sunda arc is an active area and historically many large d... more The subduction zone (megathrust) of the Sunda arc is an active area and historically many large destructive earthquakes occur. This zone extends from the Andaman island to the Northwest and from the Banda arc to the west with a length of about ± 3000 km. This subduction zone is produced from a collision between two plates, the Indo-Australian plate and the Southeast Asian plate. Where is the Indo-Australian plate subduct to the bottom of the Southeast Asian plate. The attenuation equation in the subduction zone (megathrust) of the Sunda arc has not been widely developed in Indonesia. So it still refers to the equation of attenuation in subduction zones of other regions. For this reason, attenuation equations are needed in the subduction zone (megathrust) of the Sunda arc and mapping the model of the affected area due to the earthquake in the area. Data used to produce attenuation equation of 71 earthquake events with total data 1236 data. The PGA value used for the calculation of the attenuation equation ...
In this study, we analyze acceleration data using H/V spectral ratio to study characteristics of ... more In this study, we analyze acceleration data using H/V spectral ratio to study characteristics of local site effect. We then, investigate reliability of HVSR method to classified the stations according Zhao (2006) scheme. The final results show the convenience of HVSR scheme to classified the stations that could be used with more confidence for the stations with more records.
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