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Journal : International Journal of Disaster Management

Hazards Mitigation of Lahar Flows on Semeru Volcano after the 4 December 2021 Eruption Based on PS-InSAR Cholisina Anik Perwita; Faridha Aprilia; Sukir Maryanto; Harun Arrasyid; Aqyla Farah Tsabitah
International Journal of Disaster Management Vol 5, No 3 (2022): December
Publisher : TDMRC, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/ijdm.v5i3.29098

Abstract

Volcanic eruption is one of the phenomena that can change the volcanic landscape drastically. Monitoring of volcanic edifices after eruptions should be considered to further understand the potential hazards in the future. Satellite monitoring is a reliable technique for assessing deformation in a volcano. InSAR was applied to detect material build-up after the eruption phase of Semeru Volcano in December 2022. As a consequence of the opening crater along with the InSAR result, a lahar product after the eruption was deposited in the southwest direction. Significant deformations were indicated by PS-InSAR near the crater, which was characterized by a LOS displacement of -10 to -40 mm/year, indicating scouring of the pyroclastic material moving down the slope.  The accumulation of pyroclastic flows from the abrading process below was detected in the proximal zone of Semeru, as shown by the positive LOS displacement ranging from 10 to 40 mm/year. The field survey conforms to the PS InSAR results, where unconsolidated material, ranging in size from gravel to boulders, piles up approximately 4-5 m in Curah Kobokan.  Highly unconsolidated material tends to move easily by water and threaten the surrounding settlements. Overlying PS InSAR and drainage pattern in the flank of Semeru, concluding several locations that have a high-risk potential of being affected by lahar flows are Curah Kobokan, Supiturang Village, Pronojiwo District, then Tulungrejo, Pasropan Village, Pasrujambe District, Lumajang Regency.
Implementation of Town and School Watching for Disaster Education to the Communities in Sidomulyo Village, Pronojiwo, Lumajang Sukir Maryanto; Alvira Galihputri Setyowati; Arga Nanda Aprilla; Rendi Pradila Hab Sari; Naufal Helmi Ramadhani; Herman Tolle; Nurjannah Nurjannah; Sujarwo Sujarwo; Udi Harmoko
International Journal of Disaster Management Vol 5, No 2 (2022): August
Publisher : TDMRC, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/ijdm.v5i2.29175

Abstract

The eruption of Mount Semeru on December 4, 2021, caused a fairly high death toll of up to 50 people. The high number of fatalities is caused by the lack of mitigation capacity and the absence of community involvement in mitigation efforts. Increased mitigation capacity can be done by presenting disaster education to the communities. Thus, we applied the concepts of school watching and town watching in Pronojiwo District, Lumajang Regency. School watching was implemented in eight schools located at Sidomulyo Village. We also carried out town watching in Sidomulyo Village and brought out ±33 residents to the Sidomulyo village hall. The implementation of school watching and town watching in Pronojiwo District can increase community involvement in disaster mitigation efforts and public awareness of mitigation efforts. 
Hazards Mitigation of Lahar Flows on Semeru Volcano after the 4 December 2021 Eruption Based on PS-InSAR Perwita, Cholisina Anik; Aprilia, Faridha; Maryanto, Sukir; Arrasyid, Harun; Tsabitah, Aqyla Farah
International Journal of Disaster Management Vol 5, No 3 (2022)
Publisher : TDMRC, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/ijdm.v5i3.29098

Abstract

Volcanic eruption is one of the phenomena that can change the volcanic landscape drastically. Monitoring of volcanic edifices after eruptions should be considered to further understand the potential hazards in the future. Satellite monitoring is a reliable technique for assessing deformation in a volcano. InSAR was applied to detect material build-up after the eruption phase of Semeru Volcano in December 2022. As a consequence of the opening crater along with the InSAR result, a lahar product after the eruption was deposited in the southwest direction. Significant deformations were indicated by PS-InSAR near the crater, which was characterized by a LOS displacement of -10 to -40 mm/year, indicating scouring of the pyroclastic material moving down the slope. The accumulation of pyroclastic flows from the abrading process below was detected in the proximal zone of Semeru, as shown by the positive LOS displacement ranging from 10 to 40 mm/year. The field survey conforms to the PS InSAR results, where unconsolidated material, ranging in size from gravel to boulders, piles up approximately 4-5 m in Curah Kobokan. Highly unconsolidated material tends to move easily by water and threaten the surrounding settlements. Overlying PS InSAR and drainage pattern in the flank of Semeru, concluding several locations that have a high-risk potential of being affected by lahar flows are Curah Kobokan, Supiturang Village, Pronojiwo District, then Tulungrejo, Pasropan Village, Pasrujambe District, Lumajang Regency.
Implementation of Town and School Watching for Disaster Education to the Communities in Sidomulyo Village, Pronojiwo, Lumajang Maryanto, Sukir; Setyowati, Alvira Galihputri; Aprilla, Arga Nanda; Sari, Rendi Pradila Hab; Ramadhani, Naufal Helmi; Tolle, Herman; Nurjannah, Nurjannah; Sujarwo, Sujarwo; Harmoko, Udi
International Journal of Disaster Management Vol 5, No 2 (2022)
Publisher : TDMRC, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/ijdm.v5i2.29175

Abstract

The eruption of Mount Semeru on December 4, 2021, caused a fairly high death toll of up to 50 people. The high number of fatalities is caused by the lack of mitigation capacity and the absence of community involvement in mitigation efforts. Increased mitigation capacity can be done by presenting disaster education to the communities. Thus, we applied the concepts of school watching and town watching in Pronojiwo District, Lumajang Regency. School watching was implemented in eight schools located at Sidomulyo Village. We also carried out town watching in Sidomulyo Village and brought out 33 residents to the Sidomulyo village hall. The implementation of school watching and town watching in Pronojiwo District can increase community involvement in disaster mitigation efforts and public awareness of mitigation efforts.
Co-Authors A.A. Ketut Agung Cahyawan W Achmad, Fariz Adi Susilo Adi Susilo Adi Susilo Adi Susilo Adi Susilo Adi Susilo Adi Susilo agung syufi ghozali Agung Teguh Wibowo Almais Agus Budianto Agus S Wicaksono Ahmad Nadhir Akhmad Afandi Akhmad Afandi Alamsyah Mohammad Juwono Alvira Galihputri Setyowati Amalia Cemara Nuraidha, Amalia Cemara Aminudin Afandhi Aniriani, Gading Wilda Anjar Pranggawan Azhari Antariksa Anthon Efani Aprilia, Faridha Aprilla, Arga Nanda Aqyla Farah Tsabitah Arga Nanda Aprilla Arief Rachmansyah Arief Rachmansyah Arief Rachmansyah Arif Rachmansyah Arif Rahman Hakim Arin Wildani Arrasyid, Harun Asnawi, Rijal Bambang Avianthara Bambang Heri Purwanto Barika Novanta Barqi Muhammad Irsyad, Barqi Muhammad Bunga Puspita, Mayang Chandra, Yuliana Iik Iswanti Cholisina Anik Perwita Cholisina Anik Perwita Cholisina Anik Perwita Cholisina Anik Perwita Cinantya N Dewi Cinantya Nirmala Dewi Cinantya Nirmala Dewi Dafiqiy Ya'lu Ulin Nuha dahlia kurniawati irawan Delfi Intan Faniza Deni Saputra Dian Pratiwi Malik Didik R Santoso Didik R. Santoso Didik R. Santoso Didik R. Santoso Didik R. Santoso Didik Rahadi Santoso Didik Rahardi Santoso Drs Wasis Dwi Wahyudi Eddy Z Gaffar Endah Juniarti Fajar Rakhmanto Fajar Rakhmanto Fajar Rakhmanto Faridha Aprilia Faridha Aprilia Febriana Rachmawati, Febriana Fitor Imanul Huda Fitri Indah Pratiwi, Fitri Indah Gancang Saroja Geovanio Pedro da Silva Almeida Habibiy Idmi, Mohammad Harun Arrasyid Hasan Nurudin Hena Dian Ayu Hendarmin Hendarmin Hendra Gunawan Herman Tolle Hetty Triastuti Hetty Triastuty Hetty Triastuty I Ketut Wahyu Nugrahadinata Putra, I Ketut Wahyu Nugrahadinata Ika Karlina Laila Nur Suciningtyas Ika Wahyu Utami Imam Suyanto Joanico Pires Jose da Costa Juwono, Alamsyah Mohammad Kartika Andryana Kartiko Ardi Widodo Kurniawan, Andang Laelah Hilaliyah Istighfaroh Luis Teofilo da Costa MARETA KARTIKASARI Martha, Agustya Adi Mayang Bunga Puspita Meidi Arisalwadi Mohammad Hasib Mudo Prakoso Muhajir Anshori Muhamad Hendrasto Muhammad Bisma Pamungkas Muhammad Fathur Rouf Hasan Muhammad Ghufron Muhammad Hendrasto Muhammad Razi Muwardi Sutasoma Naufal Helmi Ramadhani Nefrizal - Nella Fernania Nugraha, Aulia Kharisma Nuha, Dafiqiy Ya'lu Ulin Nur Aini Gama Lestari Nurjannah Nurjannah Nurjannah Nurjannah Panji Aziz Priambodo Perwita, Cholisina Anik Petrus Demon Sili Qori Fajar Hermawan Raehanayati Raehanayati Rahmawati Rahmawati Ramadhani, Naufal Helmi Ratri Andinisari Rendi Pradila Hab Sari Ridha, Syawaldin Rio Arie Purnama Rizky Kusumawardani Rohmah, Siti Ainur Salman Hamja Siombone Santoso, Didik Rahardi Sari, Rendi Pradila Hab Setyawan P. Sakti Setyowati, Alvira Galihputri Siswo Purnomo Sri Dwi Wuryani, Sri Dwi Sri Herwiningsih Stevany Abigail Sujarwo Sujarwo Sujarwo Sujarwo Surya Aji Ermanto Susilo, Adi Syafitri, Meta Taufan Surana, Taufan tika yulia astuti Tommy Hendriansyah, Tommy Tri Deni Rahman Tsabitah, Aqyla Farah Udi Harmoko Udi Harmoko Usna Zainun Nasrulloh Zamhar Vani N. Ningtyas SC, Vani N. Ningtyas Vanisa Syahra, Vanisa Verna A. Suoth Wicaksono, Rizky Rahadian Yudi, Muhammad Nurwahyudi Yuliana Iik Iswanti Chandra Zulfa Khalida