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Department of Earth Sciences

 

Dr Pepen Supendi

Biography

I am a seismologist interested in earthquakes and seismic tomography. I studied Geophysical Engineering at Institut Teknologi Bandung, Indonesia, where I completed my Ph.D. in 2020. During my Ph.D., I investigated the body-wave velocity structure of the Sunda-Banda Arc Transition Zone, Indonesia, based on travel time tomography and analysis of seismicity in the eastern part of Indonesia, and also shed new light on the 2018 Lombok and Palu earthquake sequences. In 2008, I joined the Agency for Meteorology, Climatology, and Geophysics (Badan Meteorologi, Klimatologi, dan Geofisika/BMKG) Indonesia as an earthquake analyst. In 2021, I joined the University of Cambridge as a Postdoctoral Research Fellow in the group of Professor Nicholas Rawlinson at Bullard Laboratories, Department of Earth Sciences. My current research involves the analysis of seismicity in Indonesia caused by active faults and imaging of the 3-D seismic velocity structure beneath Sulawesi (Indonesia) and its surroundings by applying local earthquake body wave travel-time tomography.

Research

Seismicity
Earthquake sources 
Active faults
Tomography
Indonesian tectonics and volcanism

Publications

Key publications: 
  1. Supendi, P., Winder, T., Rawlinson, N., Bacon, C. A., Palgunadi, K. H., Simanjuntak, A., Kurniawan, A., Widiyantoro, S., Nugraha, A. D., Shiddiqi, H. A., Ardianto, Daryono, Adi, S. P., Karnawati, D., Priyobudi, Marliyani, G. I., Imran, I., and Jatnika, J. (2023): A conjugate fault revealed by the destructive Mw 5.6 (November 21, 2022) Cianjur earthquake, West Java, Indonesia, Journal of Asian Earth Sciences, 257, 105830. https://doi.org/10.1016/j.jseaes.2023.105830
  2. Supendi, P., Rawlinson, N., Prayitno, B. S., Sianipar, D., Simanjuntak, A., Widiyantoro, S., Palgunadi, K. H., Kurniawan, A., Shiddiqi, H. A., Nugraha, A. D., Sahara, D. P., Daryono, D., Triyono, R., Adi, S. P., Karnawati, D., Daniarsyad, G., Ahadi, S., Fatchurochman, I., Anugrah, S. D., Heryandoko, N., and Sudrajat, A. (2022): A previously unidentified fault revealed by the February 25, 2022 (Mw 6.1) Pasaman Earthquake, West Sumatra, Indonesia, Physics of the Earth and Planetary Interiors, 106973. https://doi.org/10.1016/j.pepi.2022.106973
  3. Supendi, P., Widiyantoro, S., Rawlinson, N., Yatimantoro, T., Muhari, A., Hanifa, N. R., Gunawan, E., Shiddiqi, H. A., Imran, I., Anugrah, S. D., Daryono, D., Prayitno, B. S., Adi, S. P., Karnawati, D., Faizal, L., and Damanik, R. (2022): On the potential for megathrust earthquakes and tsunamis off the southern coast of West Java and southeast Sumatra, Indonesia, Natural Hazards. https://doi.org/10.1007/s11069-022-05696-y
  4. Supendi, P., Rawlinson, N., Prayitno, B.S., Widiyantoro, S., Simanjuntak, A., Palgunadi, K.H., Kurniawan, A., Marliyani, G.I., Nugraha, A.D., Daryono, D., Anugrah, S.D., Fatchurochman, I., Gunawan, M.T., Sadly, M., Adi, S.P., Karnawati, D., Arimuko, A. (2022): The Kalaotoa Fault: A Newly Identified Fault that Generated the Mw 7.3 Flores Sea Earthquake. The Seismic Record, 2 (3): 176–185. https://doi.org/10.1785/0320220015
  5. Supendi, P., Widiyantoro, S., Rawlinson, N., Wibowo, A., Priyobudi, P., Palgunadi, K. H., Nugraha, A. D., Imran, I., Marliyani, G. I., Daryono, D., Prayitno, B. S., Sadly, M., Karnawati, D., Sari, N., and Sugiharto, A. (2022): Analysis of the 2021 Semangko Bay Earthquake Sequence in Southern Sumatra, Indonesia, Using Broadband Seismic Network Data, Seismological Research Letters, 93(3), 1373–1381. https://doi.org/10.1785/0220210304
  6. Supendi, P., Rawlinson, N., Nugraha, A. D., Widiyantoro, S., Abdullah, C. I., Daryono, Prayitno, B. S., Sadly, M., and Karnawati, D. (2022): Focal Mechanism Analysis of the Earthquakes Beneath the Sunda-Banda Arc Transition, Indonesia, Using the BMKG Data, IOP Conference Series: Earth and Environmental Science, 1031(1), 012012. https://doi.org/10.1088/1755-1315/1031/1/012012
  7. Supendi, P., Sianipar, D., Widiyantoro, S., Rawlinson, N., Daryono, Prayitno, B. S., Gunawan, M. T., Sadly, M., Karnawati, D., Nugraha, A. D., Palgunadi, K. H., Muttaqy, F., and Rahayu, T. (2022): Analysis of the April 10, 2021 (Mw 6.1) destructive intra-slab earthquake, East Java, Indonesia, Physics of the Earth and Planetary Interiors, 326, 106866. https://doi.org/10.1016/j.pepi.2022.106866
  8. Supendi, P., Ramdhan, M., Priyobudi, Sianipar, D., Wibowo, A., Gunawan, M.T., Rohadi, S., Riama, N.F., Daryono, Prayitno, B.S., Murjaya, J., Karnawati, D., Meilano, I., Rawlinson, N., Widiyantoro, S., Nugraha, A.D., Marliyani, G.I., Palgunadi, K.H., Elsera, E.M. (2021): Foreshock–mainshock–aftershock sequence analysis of the 14 January 2021 (Mw 6.2) Mamuju–Majene (West Sulawesi, Indonesia) earthquake. Earth Planets Space 73, 106 (2021). https://doi.org/10.1186/s40623-021-01436-x
  9. Supendi, P., Nugraha, A. D., Widiyantoro, S., Abdullah, C. I., Daryono, Karnawati, D., Palgunadi, K. H., Rohadi, S., Gunawan, M. T., and Rosalia, S. (2021): Analysis of the Mw 6.5 Ambon Earthquake (September 26, 2019) based on the aftershocks hypocenter relocation, IOP Conference Series: Earth and Environmental Science, 873(1), 012001. https://doi.org/10.1088/1755-1315/873/1/012001
  10. Supendi, P., Puspito, N. T., Nugraha, A. D., Widiyantoro, S., Abdullah, C. I., Daryono, Karnawati, D., Rohadi, S., Zulfakriza, and Sahara, D. P. (2021): Earthquake Swarm Analysis around Mt. Salak, West Java, Indonesia, Using BMKG Data from August 10 to November 24, 2019, IOP Conference Series: Earth and Environmental Science, 873(1), 012002. https://doi.org/10.1088/1755-1315/873/1/012002
  11. Supendi, P., Nugraha, A.D., Widiyantoro, S., Abdullah, C.I., Rawlinson, N., Cummins, P.R., Harris, C., Miller, M., dan Roosmawati, N. (2020): Fate of Forearc Lithosphere at Arc-Continent Collision Zones: Evidence from Local Earthquake Tomography of the Sunda-Banda Arc Transition, Indonesia, Geophysical Research Letters, 47, e2019GL086472, https://doi.org/10.1029/2019GL086472
  12. Supendi, P., Nugraha, A.D., Widiyantoro, S., Pesicek, J., Thurber, C., Abdullah, C. I., Daryono, Wiyono, S.H., Shidiqqi, H.A., dan Rosalia, S. (2020): Relocated aftershocks and background seismicity in Eastern Indonesia shed light on the 2018 Lombok and Palu earthquake sequences, Geophysical Journal International, 221, 1845–1855, https://doi.org/10.1093/gji/ggaa118
  13. Supendi, P., Rohadi, S., Karnawati, D., Nugraha, A.D., Widiyantoro, S., Daryono, Muzli (2020): Analysis of the destructive earthquakes end of 2017 (Mw 6.9) and early 2018 (Mw 6.1) south of West Java, Indonesia, E3S Web Conf., 221 (02003), https://doi.org/10.1051/e3sconf/202021102003
  14. Supendi, P., Nugraha, A.D., Widiyantoro, S., Abdullah, C.I., Puspito, N.T., Palgunadi, K.H., Daryono, dan Wiyono, S.H. (2019): Hypocenter relocation of the aftershocks of the Mw 7.5 Palu earthquake (September 28, 2018) and swarm earthquakes of Mamasa, Sulawesi, Indonesia, using the BMKG network data, Geoscience Letters, 6(18), 1-11, https://doi.org/10.1186/s40562-019-0148-9
  15. Supendi, P., Nugraha, A.D., Puspito, N.T., Widiyantoro, S., dan Daryono (2018): Identification of active faults in West Java, Indonesia, based on earthquake hypocenter determination, relocation, and focal mechanism analysis, Geoscience Letters, 5(31), https://doi.org/10.1186/s40562-018-0130-y
  16. Supendi, P., Nugraha, A.D., dan Widiyantoro, S. (2018): Hypocenter relocation of the aftershocks of the Poso, Sulawesi (Mw 6.6, May 29, 2017) event using the BMKG network data, AIP Conference Proceedings, p. 020076, https://doi.org/10.1063/1.5047361
  17. Supendi, P., Nugraha, A.D., dan Widiyantoro, S. (2018): Recent destructive earthquakes around Garut area, West Java, Indonesia: An unidentified fault?, AIP Conference Proceedings, p. 020077, https://doi.org/10.1063/1.5047362
Other publications: 
  1. Puspito, N. T., Prayitno, B. S., Nugraha, A. D., Sahara, D. P., Kusumawati, D., Zulfakriza, Z., Rosalia, S., Daryono, D., Heryandoko, N., Sudrajat, A., Supendi, P., Adi, S. P., and Karnawati, D. (2023): Evaluation of Station Performance of the Indonesian Seismic Network Using the Primary Location Parameter, Seismological Research Letters. https://doi.org/10.1785/0220220334
  2. Muttaqy, F., Syuhada, S., Nugraha, A. D., Mori, J., Puspito, N. T., Supendi, P., and Rohadi, S. (2023): Lithospheric mantle dynamics in Central and East Java Region, Indonesia from local shear wave splitting measurements, Journal of Geodynamics, 158, 101998. https://doi.org/10.1016/j.jog.2023.101998
  3. Sinaga, V. I. C., Aolindar, M. A. F., Pramudita, M. A. N., Supendi, P., Kirana, K. H., and Hasanah, M. U. (2023): Relocation of Earthquake Hypocenter Using Double-Difference Method in Western Part of Sumatera, Journal of Physics: Conference Series, 2582(1), 012004. https://doi.org/10.1088/1742-6596/2582/1/012004
  4. Mawadah, A., Zulfakriza, Z., Widiyantoro, S., Supendi, P., Husni, Y. M., Lesmana, A., and Azhari, M. F. (2023): Preliminary result of dominant frequency and seismic amplification in Penajam Paser Utara and its surrounding regions using the HVSR method, IOP Conference Series: Earth and Environmental Science, 1245(1), 012011. https://doi.org/10.1088/1755-1315/1245/1/012011
  5. Simanjuntak, A. V. H., Palgunadi, K. H., Supendi, P., Daryono, D., Prakoso, T. A., and Muksin, U. (2023): New Insight on the Active Fault System in the Halmahera Volcanic Arc, Indonesia, Derived from the 2022 Tobelo Earthquakes, Seismological Research Letters. https://doi.org/10.1785/0220230006
  6. Putra, A. S., Sahara, D. P., Nugraha, A. D., Puspito, N. T., Supendi, P., and Heryandoko, N. (2023): Segmentation of the Sumatran Fault Zone based on spatial variation of b-values, Journal of Seismology. https://doi.org/10.1007/s10950-023-10167-3
  7. Pranata, B., Ramdhan, M., Hanif, M., Sulaiman, M. I., Maulana, M. P., Wandono, W., Widiyantoro, S., Suhardja, S. K., Hidayat, E., Supendi, P., Kusnandar, R., and Setyonegoro, W. (2023): Seismic imaging beneath Sumatra Island and its surroundings, Indonesia, from local-regional p-wave earthquake tomography, Rudarsko-Geološko-Naftni Zbornik, 38(3), 119–132. https://doi.org/10.17794/rgn.2023.3.1
  8. Damanik, R., Gunawan, E., Widiyantoro, S., Supendi, P., Atmaja, F. W., Ardianto, Husni, Y. M., Zulfakriza, and Sahara, D. P. (2023): New assessment of the probabilistic seismic hazard analysis for the greater Jakarta area, Indonesia, Geomatics, Natural Hazards and Risk, 14(1), 2202805. https://doi.org/10.1080/19475705.2023.2202805
  9. Gunawan, E., Wibiseno, P. S., Widiyantoro, S., Kholil, M., Ida, R., Pratama, C., Hanifa, N. R., Hermawan, I., Supendi, P., Daryono, and Karnawati, D. (2023): The Investigation of Viscoelastic Relaxation Following the 2018 Mw 6.2 Situbondo, Indonesia, Earthquake, Geotechnical and Geological Engineering. https://doi.org/10.1007/s10706-023-02534-1
  10. Muttaqy, F., Nugraha, A. D., Puspito, N. T., Sahara, D. P., Zulfakriza, Z., Rohadi, S., and Supendi, P. (2023): Double-difference earthquake relocation using waveform cross-correlation in Central and East Java, Indonesia, Geoscience Letters, 10(1), 5. https://doi.org/10.1186/s40562-022-00259-2
  11. Sasmi, A. T., Nugraha, A. D., Muzli, M., Widiyantoro, S., Syuhada, S., Muttaqy, F., Zulfakriza, Z., Wei, S., Priyono, A., Afif, H., Supendi, P., Husni, Y. M., Prabowo, B. S., and Sarjan, A. F. N. (2023): Shear wave splitting of the 2018 Lombok earthquake aftershock area, Indonesia, Geoscience Letters, 10(1), 7. https://doi.org/10.1186/s40562-022-00258-3
  12. Meilano, I., Salman, R., Susilo, S., Shiddiqi, H. A., Supendi, P., Lythgoe, K., Tay, C., Bradley, K., Rahmadani, S., Kristyawan, S., and Yun, S.-H. (2022): The 2021 MW 6.2 Mamuju, West Sulawesi, Indonesia earthquake: partial rupture of the Makassar Strait thrust, Geophysical Journal International, ggac512. https://doi.org/10.1093/gji/ggac512
  13. Wehner, D., Rawlinson, N., Greenfield, T., Daryono, Miller, M. S., Supendi, P., Lü, C., and Widiyantoro, S. (2022): SASSIER22: Full‐waveform tomography of the eastern Indonesian region that includes topography, bathymetry and the fluid ocean, Geochemistry, Geophysics, Geosystems. https://doi.org/10.1029/2022GC010563
  14. Rachman, G., Santosa, B. J., Nugraha, A. D., Rohadi, S., Rosalia, S., Zulfakriza, Z., Sungkono, S., Sahara, D. P., Muttaqy, F., Supendi, P., Ramdhan, M., Ardianto, A., and Afif, H. (2022): Seismic Structure Beneath the Molucca Sea Collision Zone from Travel Time Tomography Based on Local and Regional BMKG Networks, Applied Sciences, 12(20), 10520. https://doi.org/10.3390/app122010520
  15. Rahmadani, S., Meilano, I., Susilo, S., Sarsito, D. A., Abidin, H. Z., and Supendi, P. (2022): Geodetic observation of strain accumulation in the Banda Arc region, Geomatics, Natural Hazards and Risk, 13(1), 2579–2596. https://doi.org/10.1080/19475705.2022.2126799
  16. Widiyantoro, S., Supendi, P., Ardianto, A., Baskara, A.W., Bacon, C. A., Damanik, R., Rawlinson, N., Gunawan, E., Sahara, D.P., Zulfakriza, Z., Husni, Y. M., and Lesmana, A. (2022): Implications for fault locking south of Jakarta from an investigation of seismic activity along the Baribis fault, northwestern Java, Indonesia. Scientific Reports, 12, 10143. https://doi.org/10.1038/s41598-022-13896-6
  17. Gunawan, E., Kongko, W., Kholil, M., Widyantoro, B.T., Widiyantoro, S., Supendi, P., Hanifa, N.R., Anjasmara, I.M., Pratama, C., and Gusman, A.R. (2022): The 2019 Mw 7.0 Banten, Indonesia, intraslab earthquake: investigation of the coseismic slip, tsunami modelling and Coulomb stress change. Geoenvirontal Disasters, 9 (14). https://doi.org/10.1186/s40677-022-00215-4
  18. Priyambada, F.R., Nugraha, A.D., Supendi, P. (2022): Hypocenter Determination using a Non-Linear Method in Bali, Lombok, and Nusa Tenggara Regions: Preliminary Result, Journal of Physics Conference Series, 2243(1):012008
  19. Wehner, D., Blom, N., Rawlinson, N., Daryono, Böhm, C., Miller, M. S., Supendi, P., and Widiyantoro, S. (2022): SASSY21: A 3‐D Seismic Structural Model of the Lithosphere and Underlying Mantle Beneath Southeast Asia from Multi‐Scale Adjoint Waveform Tomography, Journal of Geophysical Research: Solid Earth, 127(3). https://doi.org/10.1029/2021JB022930
  20. Singarimbun, A., Said, U., Andriani, D., Astro, R.B., Bakrun, B., Djaja, S., Agustine, E., Supendi, P. and Srigutomo, W. (2022): Curie Point Depth Analysis of Lesugolo Area, East Nusa Tenggara, Indonesia Based on Ground Magnetic Data, Journal of Engineering and Technological Sciences, 54(1):220111. http://doi.org/10.5614/j.eng.technol.sci.2022.54.1.11
  21. Muttaqy, F., Nugraha, A. D., Mori, J., Puspito, N. T., Supendi, P., and Rohadi, S. (2022): Seismic Imaging of Lithospheric Structure Beneath Central-East Java Region, Indonesia: Relation to Recent Earthquakes, Frontiers in Earth Science, 10, 756806. https://doi.org/10.3389/feart.2022.756806
  22. Damanik, R., Supendi, P., Widiyantoro, S., Rawlinson, N., Ardianto, A., Gunawan, E., Husni, Y. M., Zulfakriza, Z., Sahara, D. P., and Shiddiqi, H. A. (2021): Earthquake monitoring of the Baribis Fault near Jakarta, Indonesia, using borehole seismometers, Geoscience Letters, 8(1), 38. https://doi.org/10.1186/s40562-021-00209-4
  23. Murjaya, J, Pramumijoyo, S., Karnawati, D., Daryono, Meilano, I., Supendi, P., Ahadi, S., Marliyani, G. I., Imananta, Syukur, F., Sianipar, D. S., and Krisno, A. (2021): Earthquake risk assessment of the Opak and Merapi-Merbabu active faults to support mitigation program in Yogyakarta province and its vicinity, IOP Conference Series: Earth and Environmental Science, 851(1), 012001. https://doi.org/10.1088/1755-1315/851/1/012001
  24. Murjaya, Jaya, Supendi, P., Karnawati, D., and Pramumijoyo, S. (2021): Unexpected Shallow Earthquake of August 1st, 2020 in the North of Indramayu, West Java, Indonesia, IOP Conference Series: Earth and Environmental Science, 873(1), 012043. https://doi.org/10.1088/1755-1315/873/1/012043
  25. Sasmi, A. T., Nugraha, A. D., Muzli, M., Widiyantoro, S., Zulfakriza, Z., Wei, S., Sahara, D. P., Puspito, N. T., Priyono, A., Afif, H., Supendi, P., Daryono, D., Ardianto, A., Syahbana, D. K., Husni, Y. M., Prabowo, B. S., Palgunadi, K. H., and Narotama Sarjan, A. F. (2021): Determination of Shear Wave Splitting Parameters in 2018 Lombok Earthquake Using Rotation Correlation Method: Preliminary Result, IOP Conference Series: Earth and Environmental Science, 873(1), 012101. https://doi.org/10.1088/1755-1315/873/1/012101
  26. Al-Rasyid, M. B., Rusman, M. N., Hamonangan, D., Supendi, P., and Kirana, K. H. (2021): The Spatio-temporal Analysis of b-value in the Banda Arc, Indonesia, IOP Conference Series: Earth and Environmental Science, 873(1), 012010. https://doi.org/10.1088/1755-1315/873/1/012010
  27. Meilano, I., Salman, R., Rahmadani, S., Shi, Q., Susilo, S., Lindsey, E., Supendi, P., and Daryono, D. (2021): Source Characteristics of the 2019 Mw 6.5 Ambon, Eastern Indonesia, Earthquake Inferred from Seismic and Geodetic Data, Seismological Research Letters, 92(6), 3339–3348. https://doi.org/10.1785/0220210021
  28. Greenfield, T., Copley, A.C., Caplan, C., Supendi, P., Widiyantoro, S., Rawlinson, N. (2021): Crustal Deformation and Fault Strength of the Sulawesi Subduction Zone, Tectonics, 40, Issue3, https://doi.org/10.1029/2020TC006573
  29. Afif, A., Nugraha, A.D., Muzli, M., Widiyantoro, S., Zulfakriza, Z., Wei, S., Sahara, D.P., Riyanto, A., Greenfield, T., Puspito, N.T., Priyono, A., Sasmi,  A.T., Supendi, P., Ardianto, A., Syahbana, D.K., Rosalia, S.,  Cipta, A., Husni, Y.M. (2021): Local earthquake tomography of the source region of the 2018 Lombok earthquake sequence, Indonesia, Geophysical Journal International, 226, 1814–1823, https://doi.org/10.1093/gji/ggab189
  30. Widiyantoro, S., Gunawan, E., Muhari, A., Mori, J., Hanifa, N.R., Susilo, S., Supendi, P., Shiddiqi, H.A., Nugraha, A.D., dan Putra, H.E. (2020): Implications for megathrust earthquakes and tsunamis from seismic gaps south of Java Indonesia, Scientific Report, https://doi.org/10.1038/s41598-020-72142-z
  31. Gunawan, M.T., Kusnandar, R., Supendi, P., Nugraha, A.D., Puspito, N.T., Daryono, D., Sahara, D.P., dan Zulfakriza, Z. (2020): Analysis of swarm earthquakes around Mt. Agung Bali, Indonesia prior to November 2017 eruption using regional BMKG network, Geoscience Letters, 7 (14), https://doi.org/10.1186/s40562-020-00163-7
  32. Harris, C., Miller, M., Supendi, P., dan Widiyantoro, S. (2020): Subducted Lithospheric Boundary Tomographically Imaged beneath Arc-Continent Collision in SE Indonesia, Journal of Geophysical Research, https://doi.org/10.1029/2019JB018854
  33. Sasmi, A.T., Nugraha, A.D., Muzli, M., Widiyantoro, S., Zulfakriza, Z., Wei, S., Sahara, D.P., Riyanto, A., Puspito, N.T., Priyono, A., Greenfield, T., Afif, H., Supendi, P., Daryono, D., Ardianto, A., Syahbana, D.K., Husni, Y.M., Prabowo, B.S., Sarjan, A.F.N. (2020): Hypocenter and Magnitude Analysis of Aftershocks of the 2018 Lombok, Indonesia, Earthquakes Using Local Seismographic Networks, Seismological Research Letters doi: https://doi.org/10.1785/0220190348
  34. Natawidjaja, D.H., Daryono, M.R., Prasetya, G., Udrekh, Liu, P.L-F., Hananto, N.D., Kongko, W., Triyoso, W., Meilano, I., Puji, A.R., Gunawan, E., Supendi, P., Pamumpuni, A., Irsyam, M., Faizal, L., Hidayati, S., Sapiie, B., Kusuma, M.A., Tawil, S. (2020): Fault-ruptures of 2018 Palu earthquake Mw7.5 (Indonesia) from field survey, LiDAR, multibeam and seismic-reflection data, Geophysical Journal International, https://doi.org/10.1093/gji/ggaa498
  35. Gunawan, E., Widiyantoro, S., Supendi, P., Nishimura, T. (2020): Identifying the most explainable fault ruptured of the 2018 Palu-Donggala earthquake in Indonesia using coulomb failure stress and geological field report, Geodesy and Geodynamics, https://doi.org/10.1016/j.geog.2020.04.004
  36. Wibowo, A., Supendi, P., Nugraha, A.D. (2020): Coulomb Stress Change of Mw 7.5 Palu-Donggala Earthquake, Sulawesi (28 September 2018), Jurnal Geofisika, 18:19-22.
  37. Gusman, A.R., Supendi, P., Nugraha, A.D., Power, W., Latief, H., Sunendar, H., Widiyantoro, S., dan Daryono (2019): Source Model for the Tsunami Inside Palu Bay Following the 2018 Palu Earthquake, Indonesia, Geophysical Research Letters, 46, https://doi.org/10.1029/2019GL082717
  38. Rosalia, S., Widiyantoro, S., Dian Nugraha, A., dan Supendi, P. (2019): Double-difference tomography of P- and S-wave velocity structure beneath the western part of Java, Indonesia, Earthquake Sciences, 32, 12–25, https://doi.org/10.29382/eqs-2019-0012-2
  39. Nugraha, A.D., Rosalia, S., Widiyantoro, S., Supendi, P., Wiyono, S. dan Daryono. (2019): Updating Hypocenter Relocation in Indonesia using 3D Seismic Velocity Model: Period of April 2009-March 2018, IOP Conf. Ser. Earth Environ. Sci., 318, 012048, https://doi.org/10.1088/1755-1315/318/1/012048
  40. Muttaqy, F., Nugraha, A.D., Puspito, N.T., Supendi, P., dan Rosalia, S. (2019): A Non-Linear Method for Hypocenter Determination around Central and East Java Region: Preliminary Result, IOP Conf. Ser. Earth Environ. Sci., 318, 012008, https://doi.org/10.1088/1755-1315/318/1/012008
  41. Nugraha, A.D., Supendi, P., Prabowo, B.S., Rosalia, S., Erlangga, Husni, Y.M., Widiyantoro, S., Puspito, N.T., dan Priyono, A. (2019): The Recent Small Earthquakes around Lembang Fault, West Java, Bandung, Indonesia. J. Phys. Conf. Ser., 1204, 012083. https://doi.org/10.1088/1742-6596/1204/1/012083
  42. Sultan, R., Rachmat Sule, M., Hendriyana, A., dan Supendi, P. (2019): Analysis of Focal Mechanism for Determine Fault Plane Orientation Using the Moment Tensor Inversion Case Study: West Java Geothermal Field, IOP Conf. Ser. Earth Environ. Sci., 318, 012036, https://doi.org/10.1088/1755-1315/318/1/012036
  43. Ardianto, A., Husni, Y.M., Nugraha, A.D., Muzli, M., Zulfakriza, Z., Afif, H., Sahara, D.P., Widiyantoro, S., Priyono, A., Puspito, N.T., Supendi, P., Riyanto, A., Wei, S., dan Prabowo, B.S. (2019): Implementation of Filter Picker Algorithm For Aftershock Identification of Lombok Earthquake 2018. Jurnal Geofisika, 17, 25.
  44. Santoso, D., Wahyudi, E.J., Kadir, W.G.A., Alawiyah, S., Nugraha, A.D., Supendi, P., dan Parnadi, W.W. (2018): Gravity Structure around Mt. Pandan, Madiun, East Java, Indonesia and Its Relationship to 2016 Seismic Activity, Open Geosciences, 10, 882–888, https://doi.org/10.1515/geo-2018-0069
  45. Gunawan, E., Widiyantoro, S., Rosalia, S., Daryono, M.R., Meilano, I., Supendi, P., Ito, T., Tabei, T., Kimata, F., Ohta, Y., dan Ismail, N. (2018): Coseismic Slip Distribution of the 2 July 2013 Mw 6.1 Aceh, Indonesia, Earthquake and Its Tectonic Implications, Bull. Seismol. Soc. Am., 108, 1918–1928, https://doi.org/10.1785/0120180035
  46. Nugraha, A.D., Supendi, P., Widiyantoro, S., Daryono, dan Wiyono, S. (2018): Earthquake swarm analysis around Bekancan area, North Sumatra, Indonesia using the BMKG network data: Time periods of February 29, 2015 to July 10, 2017, AIP Conference Proceedings, p. 020092, https://doi.org/10.1063/1.5047377
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  48. Rosalia, S., Widiyantoro, S., Dian Nugraha, A., Ash Shiddiqi, H., Supendi, P., dan Wandono. (2017): Hypocenter Determination Using a Non-Linear Method for Events in West Java, Indonesia: A Preliminary Result, IOP Conf. Ser. Earth Environ. Sci., 62, 012052, https://doi.org/10.1088/1755-1315/62/1/012052
  49. Santoso, D., Wahyudi, E.J., Alawiyah, S., Nugraha, A.D., Widiyantoro, S., Kadir, W.G.A., Supendi, P., Wiyono, S., dan Zulkafriza. (2017): Subsurface Structure Interpretation Beneath of Mt. Pandan Based on Gravity Data, IOP Conf. Ser. Earth Environ. Sci., 62, 012038, https://doi.org/10.1088/1755-1315/62/1/012038
  50. Supendi, P., Nugraha, A.D, dan Wijaya, T.A. (2017): Relocation and Focal Relocation and Focal Mechanism of Aftershocks Pidie Jaya Earthquake (Mw6.5) Dec 7th, 2016 using BMKG Network, Jurnal Geofisika, 15, 3.
  51. Supendi, P., Nugraha, A.D (2017): Preliminary result of earthquake hypocenter determination using hypoellipse around western Java region, AIP Conference Proceedings, 1730, 020002 (2016); https://doi.org/10.1063/1.4947370
  52. Nugraha, A.D., Supendi, P., Shiddiqi, H.A., Widiyantoro, S. (2016): Unexpected earthquake of June 25th, 2015 in Madiun, East Java, AIP Conference Proceedings, 1730, 020001; https://doi.org/10.1063/1.4947369

 

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