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THE MANAGEMENT SERVICE SYSTEM BUILDING EARTHQUAKE SENSOR EQUIPMENT (SiMPANSE) BASED ON INFORMATION TECHNOLOGY AT THE UPT LEVEL TO REALISE EXCELLENT EARTHQUAKE INFORMATION SERVICES Septiadhi, Ardhianto; Widodo, Juniarto; Nugroho, Cahyo; Rahadi Prabowo, R Mulyono
Jurnal Widya Climago Vol 5 No 2 (2023): BMKG Public Service Leadership: Implementation of changes to leadership training
Publisher : Pusdiklat BMKG

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Abstract

earthquake sources, monitoring seismic activity, disseminating information and increasing the community's response capacity to earthquake hazards. service is supported by reliable maintenance of earthquake observation equipment. equipment maintenance service for reliable earthquake observation. Geophysical Stations that in charge of maintaining observation equipment in its working area requires an equipment maintenance service that is able to identify sensor conditions that are not functioning properly for routine checks and maintenance routine checks and maintenance steps by UPT that are maintenance steps by UPT that are traceable, standardised and accountable from a technical and budgetary perspective. budget. This system can also monitor the UPT Service Level and budget absorption used for maintenance. UPT and budget absorption used for maintenance. In the development of excellent service also capacity building in understanding and responding to to earthquakes through measurable socialisation and simulation measurable socialisation and simulation, as well as building a shared commitment to to deal with earthquakes
Penentuan Model Kecepatan Seismik 1-D di Pulau Lombok Bunaga, I Gusti Ketut Satria; Rosid, Mohammad Syamsu; Anggono, Titi; Septiadhi, Ardhianto
Jurnal Penelitian Pendidikan IPA Vol 9 No 12 (2023): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i11.6023

Abstract

The interpretation of local geology structure can be done effectively by using an appropriate local seismic velocity model. It is suitable to implement in Lombok Island that the local fault activity near Mount Rinjani caused the 2019 East Lombok Earthquake. This study determines and updates the 1-D seismic velocity model using the VELEST by applying the Coupled Hypocenter-Velocity method. The 2010-2022 earthquake data from the catalog of BMKG is used for this study. A total of about 166 events (M ≥ 4) and 20 seismic stations in Lombok and surrounding areas are utilized in this study. The local model (Koulakov) and global (AK-135) are selected as the initial model. The double-difference method is also used to test both velocity models refining the hypocenter location. The results show that the updated Koulakov model has a high relevance in representing the crustal structure of Lombok Island according to the parameters of RMS value, uncertainties hypocenter, and seismic interpretation. It demonstrates not only the local geology condition but also a more reliable seismic velocity model in the region of Lombok Island. This model can be used as a reference for interpreting the better geological structure.