| Issue |
E3S Web Conf.
Volume 464, 2023
The 2nd International Conference on Disaster Mitigation and Management (2nd ICDMM 2023)
|
|
|---|---|---|
| Article Number | 14003 | |
| Number of page(s) | 12 | |
| Section | Seismic Hazard and Tsunami Disaster Management and Mitigation | |
| DOI | https://doi.org/10.1051/e3sconf/202346414003 | |
| Published online | 18 December 2023 | |
A preliminary results: study of crustal thickness in eastern part of Borneo, Indonesia from teleseismic receiver function analysis
1 Department of Geophysics, State College of Meteorology Climatology and Geophysics, South Tangerang, Indonesia.
2 Indonesian Agency for Meteorology Climatology and Geophysics, Jakarta, Indonesia.
3 University of Adelaide, Adelaide, South Australia.
* Corresponding author: imam.tanthawi.anfasa@stmkg.ac.id
The island of Borneo has relatively low seismic activity. However, the plan to relocate the capital city to the East Borneo region could potentially increase the population, making the area more vulnerable to earthquake occurrences. Therefore, this research aims to determine the depth of the Mohorovičić discontinuity layer, which will provide insights into the thickness of the Earth's crust, and model the local P and S wave velocities using the Inversion, Migration, and Stacking H-k methods. The data used consists of earthquake events with magnitudes greater than 6, located within a distance of 30° to 90° from 6 BMKG stations around the new capital of Indonesia. The research results indicate that the depth of the Mohorovičić discontinuity layer varies between 28 and 43 km. The model of P-wave velocities varies between 1.8 km/s to 9.1 km/s, while the model of S-wave velocities ranges from 1.0 km/s to 5.1 km/s.
© The Authors, published by EDP Sciences, 2023
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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