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All Journal Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) GEA, Jurnal Pendidikan Geografi Jurnal Sains dan Teknologi Mitigasi Bencana
Sri Naryanto, Heru
Unknown Affiliation
Agriculture, Biological Sciences & Forestry Computer Science & IT Earth & Planetary Sciences Education Environmental Science

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EARTHQUAKE HAZARD ANALYSIS OF NGANJUK REGENCY Wisyanto, Wisyanto; Sri Naryanto, Heru
Jurnal Sains dan Teknologi Mitigasi Bencana Vol 15, No 1 (2020): JURNAL SAINS DAN TEKNOLOGI MITIGASI BENCANA
Publisher : Badan Pengkajian dan Penerapan Teknologi (BPPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1270.844 KB) | DOI: 10.29122/jstmb.v15i1.4148

Abstract

Earthquake hazard must be considered by many regions in Indonesia. This is including Nganjuk Regency, the area with intensifies development and where the longest dam in Indonesia is being built. Earthquake hazard studies are conducted using two methods, namely semi-deterministic and probabilistic methods. The results of analyses using the first method show that Nganjuk Regency can be divided into 3 classes of hazards, low level in the southwest region, middle level in the north and high level in the middle of the region. Analyses using the second method reveal that Nganjuk Regency can be classified into two categories, the southwest region which has the potential to experience very strong shocks with an intensity of upper VII MMI to lower VIII MMI and the northern and central region which has the potential of destructive shocks with an intensity of middle VIII MMI. The difference in the results from the two methods can be eliminated by classifying the detail of the existing soil/rock types.
ANALISIS PASCA BENCANA TANAH LONGSOR 1 JANUARI 2020 DAN EVALUASI PENATAAN KAWASAN DI KECAMATAN SUKAJAYA, KABUPATEN BOGOR Sri Naryanto, Heru; Prawiradisastra, Firman; Ardiyanto, Ruki; Hidayat, Wahyu
Jurnal Pendidikan Geografi Gea Vol 20, No 2 (2020)
Publisher : Indonesia University of Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/gea.v20i2.24232

Abstract

Bencana tanah longsor semakin sering terjadi akhir-akhir ini di Kabupaten Bogor termasuk di Kecamatan Sukajaya. Bencana longsor telah terjadi secara masif, menyeluruh dan waktu yang bersamaan di Kecamatan Sukajaya, pada tanggal 1 Januari 2020 . Kecamatan Sukajaya termasuk dalam zona bahaya tanah longsor tinggi. Banyak faktor yang menyebabkan terjadinya tanah longsor di Kecamatan Sukajaya, yaitu: kelerengan, kondisi geologi dan tanah, tataguna lahan, pola drainase, curah hujan, dan aktivitas manusia. Faktor dominan yang paling berpengaruh adalah: curah hujan harian yang ekstrim sebelum dan saat terjadi longsor, jenis batuan vulkanik yang membentuk tanah sangat tebal dan gembur, dan kemiringan lereng yang curam-sangat curam. Analisis berbagai faktor penyebab longsor, zonasi tanah longsor serta analisis mekanisme longsor, akan sangat membantu dalam pananganan dan antisipasi bencana ke depan. Penataan kawasan pasca bencana longsor sangat diperlukan untuk bisa mengurangi risiko bencana serta membangun kawasan yang aman berkesinambungan. Banyak hal yang bisa dilakukan dalam penataan kawasan longsor tersebut antara lain adalah: daerah bekas dan rawan longsor dijadikan kawasan konservasi, relokasi penduduk yang terancam ke tempat yang aman, pengaturan drainase, penguatan tebing dan lereng jalan, menghindari tinggal pada lereng bukit serta alur sungai, penghijauan dengan tanaman yang keras dan berakar kuat. Pembentukan kesiapsiagaan masyarakat juga sangat dibutuhkan untuk membentuk masyarakat yang tangguh terhadap bencana tanah longsor. 
PENATAAN KAWASAN PASCA BENCANA TANAH LONGSOR DI PUNCAK PASS, KECAMATAN CIPANAS, KABUPATEN CIANJUR TANGGAL 28 MARET 2018 Sri Naryanto, Heru; Prawiradisastra, Firman; Kristijono, Agus; Ganesha, Deliyanti
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol 9 No 4 (2019): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan
Publisher : Pusat Penelitian Lingkungan Hidup, IPB (PPLH-IPB) dan Program Studi Pengelolaan Sumberdaya Alam dan Lingkungan, IPB (PS. PSL, SPs. IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpsl.9.4.1053-1065

Abstract

Landslides often occur in Indonesia, including in Puncak which is a tourist area. A landslide disaster occurred at Puncak Pass, Cipanas Sub-district, Cianjur District, West Java on Wednesday, March 28, 2018 at around 08.00 PM. Typology of landslides that occur is a debris slide consisting of debris materials such as soil, rocks and large trees, and form a basin such as the shape of a horseshoe on the former landslide. Landslide occurred on the slope of the road and destroyed the hotel building, the park behind the hotel and pine forest. Many factors that influence the occurrence of landslide in Puncak Pass, from the analysis there are three main factors causing the landslide: the topography of the landslide is very steep, the occurrence of heavy rain for several consecutive days before the occurrence of landslides, and the slope which always disrupted the transport load of vehicles on it. Arrangement of landslide areas is very important to re-arrange the sustainable condition of the area against similar landslide disaster in the future. These arrangements are: handling of landslides during emergency response, determining the location of new road development, water and drainage management, cliff strengthening, land management, potentially affected settlements, and landslide disaster management. Keywords: Landslide, Puncak Pass, debris slide, sustainable safe area arrangement
Co-Authors Ganesha, Deliyanti Kristijono, Agus Prawiradisastra, Firman Ruki Ardiyanto Wahyu Hidayat wisyanto wisyanto