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All Journal Jurnal Alami : Jurnal Teknologi Reduksi Risiko Bencana Jurnal Sains dan Teknologi Mitigasi Bencana
Wisyanto Wisyanto
Badan Pengkajian dan Penerapan Teknologi
Computer Science & IT Earth & Planetary Sciences Education

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Analisis Gempa Sumba Barat 2016 Atas Minimnya Dampak yang Ditimbulkan Wisyanto Wisyanto
Jurnal ALAMI : Jurnal Teknologi Reduksi Risiko Bencana Vol. 1 No. 1 (2017): Jurnal Alami
Publisher : Agency for the Assessment and Application of Technology / Badan Pengkajian dan Penerapan Teknologi (BPPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/alami.v1i1.961

Abstract

Gempa Sumba Februari 2016 yang berepisenter di darat dan dengan magnitudo 6,6 Mb ternyata tidak membawa dampak serius di Sumba Barat. Hal ini telah menarik perhatian, sehingga dilakukan kajian lapangan terhadap peristiwa ini. Metoda kajian yang dilakukan, selain dengan pemahaman data sekunder, juga dilakukan kajian lapangan disepanjang lintasan Kota Waykabubak sampai ke pesisir selatan di sekitar Daerah Wanokaka, dimana episenter berada. Kajian lapangan meliputi pengamatan aspek geologi, dampak gempa terhadap bangunan dan pengukuran kuat struktur gedung. Hasil kajian menunjukkan bahwa tingginya kestabilan kerak kontinen yang menjadi batuan dasar Pulau Sumba, tipisnya soil sehingga fondasi bangunan langsung menumpu pada batuan dan masih banyaknya rumah panggung / rumah adat telah meminimalisir dampak gelombang gempa yang terjadi.
Analisis Bahaya Abrasi di Wilayah Kabupaten Banggai Kepulauan Wisyanto Wisyanto
Jurnal ALAMI : Jurnal Teknologi Reduksi Risiko Bencana Vol. 3 No. 1 (2019): Jurnal Alami
Publisher : Agency for the Assessment and Application of Technology / Badan Pengkajian dan Penerapan Teknologi (BPPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/alami.v3i1.3490

Abstract

The threat of abrasion even though comes as a slow onset process, but it is certainly and can disrupt the interests of the community. One of the areas that threaten by abrasion is Banggai Kepulauan Regency. To find out how big the threat of abrasion and it’s alternative handling, An abrasion hazard analysis has been carried out based on the calculation of 3 main parameters obtained from secondary data and some of them are detailed by field observations, namely wave height parameters and routinity level, coastal rock / sediment composition, and coastal slope . The results showed that the total coastal length which has a high hazard level is 250.87 km and the Liang sub-district is a district that has the longest high level of abrasion threat, which is 41.11 km long. The alternative measures for abrasion protection, in addition to the physical construction of abrasion-retaining structures as found in the field, is through the protection of green belts and the prohibition of the establishment of houses on abrasive coastal areas.
Kajian Bahaya Kebakaran Hutan di Kabupaten Nganjuk Heru Sri Naryanto; Wisyanto Wisyanto
Jurnal ALAMI : Jurnal Teknologi Reduksi Risiko Bencana Vol. 4 No. 1 (2020): Jurnal Alami
Publisher : Agency for the Assessment and Application of Technology / Badan Pengkajian dan Penerapan Teknologi (BPPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/alami.v4i1.4039

Abstract

ABSTRACTThe Nganjuk District is mostly planted by forests, both protection forests and production forests with a total area of 20 333.00 ha. Forest and land fires often occur in Nganjuk District, which causes economic and environmental losses. Forest and land fires often cause haze disasters that can disrupt the activities and health of surrounding communities. The forest and land fire hazard map is needed. Making a forest and land fire hazard map of Nganjuk District is carried out with consideration of various parameters, namely: rainfall, land use, altitude, and type of forest. The analysis was carried out using spatial analysis with a scoring system of influential parameters, and from the results of the analysis 3 (three) classifications of fire hazard-prone areas were determined, namely: high hazard, moderate hazard, and low hazard. The five (5) biggest sub-districts included in the forest and high land fire hazard zones in Nganjuk District are the sub-districts: Rejoso, Lengkong, Ngluyu, Gondang, and Jatikalen. Zoning maps of forest and land fire hazards in Nganjuk District are urgently needed in the framework of mitigation, adaptation and disaster management of forest and land fires, as well as sustainable development planning in Nganjuk District. Keywords: Nganjuk, forest and land fires, hazard zone map, mitigation. ABSTRAKKawasan Kabupaten Nganjuk hutan banyak ditumbuhi oleh hutan, baik hutan lindung maupun hutan produksi dengan luas total 20 333.00  ha. Kebakaran hutan dan lahan sering terjadi di Kabupaten Nganjuk, yang menyebabkan kerugian ekonomi dan lingkungan. Kebakaran hutan dan lahan seringkali menyebabkan bencana asap yang dapat mengganggu aktivitas dan kesehatan masyarakat sekitar. Peta zonasi bahaya kebakaran hutan dan lahan sangat diperlukan. Pembuatan peta bahaya kebakaran hutan dan lahan Kabupaten Nganjuk dilakukan dengan pertimbangan berbagai parameter, yaitu: curah hujan, tataguna lahan, ketinggian tempat, dan jenis hutan. Analisis dilakukan dengan menggunakan analisis spasial dengan sistem skoring dari parameter yang berpengaruh, dan dari hasil analisis akan ditetapkan 3 (tiga) klasifikasi daerah rawan bahaya kebakaran yaitu: bahaya tinggi, bahaya sedang, dan bahaya rendah. Lima (5) kecamatan terbesar yang termasuk zona bahaya kebakaran hutan dan lahan tinggi di Kabupaten Nganjuk adalah kecamatan-kecamatan: Rejoso, Lengkong, Ngluyu, Gondang, dan Jatikalen. Peta zonasi bahaya kebakaran hutan dan lahan di Kabupaten Nganjuk sangat diperlukan dalam rangka mitigasi, adaptasi dan penanggulangan bencana kebakaran hutan dan lahan, serta perencanaan pembangunan berkelanjutan di Kabupaten Nganjuk. Kata kunci: Nganjuk, kebakaran hutan dan lahan, peta zonasi bahaya, mitigasi.
EARTHQUAKE HAZARD ANALYSIS OF NGANJUK REGENCY Wisyanto Wisyanto; Heru Sri Naryanto
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 | 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.
Co-Authors Heru Sri Naryanto Heru Sri Naryanto