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All Journal POSITRON Jurnal Sains Dasar Jurnal Tata Kota dan Daerah Jurnal Fisika Unand JGE (Jurnal Geofisika Eksplorasi) JPSE (Journal of Physical Science and Engineering) INDONESIAN JOURNAL OF APPLIED PHYSICS Jurnal Geosains dan Teknologi KURVATEK Jurnal Teras Fisika : Teori, Modeling, dan Aplikasi Fisika Navigation Physics : Journal of Physics Education Advance Sustainable Science, Engineering and Technology (ASSET) Kaunia: Integration and Interconnection of Islam and Science Journal Cakrawala Jurnal Ilmu Fisika dan Terapannya (JIFTA) Berkala Arkeologi Wahana Fisika : Jurnal Fisika dan Terapannya Sunan Kalijaga Journal of Physics Jurnal Fisika Rekayasa: Jurnal Penerapan Teknologi dan Pembelajaran
Nugroho Budi Wibowo
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Spatial Analysis To Predict Conservation Heritage’s Damage Of “Imogiri Graves” By Using Microtremor Measurements Gunawan, Arif; Wibowo, Nugroho Budi
Jurnal Tata Kota dan Daerah Vol 5, No 1 (2013)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

The paper gives you a description more comprehensive views to learn spatial aspect in relating to the effects of earthquake damage in human civilization which is one of them is for Imogiri Graves Area. These ones are important place for Mataram Kingdom funerals. Based on last observation, this location was partially destroyed by earthquake disaster like other places in Bantul Regency. The theories could be embedded in this cases which consists of Kanai methods for Ground Acceleration and Ground Shear Stress (GSS). Then, deriving from those we can analyze the spatial aspect of disaster prone area which emphasizing into figure out Peak Ground Acceleration (PGA) and Seismic Susceptible Index (Kg)-Ground Shear Stress (GSS) as well. The results are: (1) PGA’s area are showed 129-174 gal and directly connected to damage ratio for buildings; (2) Seismic Susceptible Indexes (Kg) are below 20 which means Imogiri area was a safe zone (with low-risk susceptible).Keywords: Spatial, Microtremor, PGA, Kg, Imogiri
Microtremor characteristics and analysis of seismicity on Opak fault lines, Bantul district, Yogyakarta Merizka Marsyelina; Nugroho Budi Wibowo; Denny Darmawan
Jurnal Sains Dasar Vol 3, No 1 (2014): April 2014
Publisher : Faculty of Mathematics and Natural Science, Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2254.022 KB) | DOI: 10.21831/jsd.v3i1.2800

Abstract

This research aimed to determine the microtremor characteristics and seismicity analysis around Opak’s fault in  Jetis subdistrict, Imogiri subdistrict,  Pundong  subdistrict, and Kretek subdistrict. This research using HVSR (Horizontal to Vertical Spectral Ratio) method, spectrum analysis, TFA analysis and maximum likelyhood method. The primary microtremor’sdata was taken from 9 points and thesecondary data from 32 point using grid 3 km spacing. The data record the natural waves or seismic signals at each measurement points. The processed data thus characterize the structrure of the soil and rock layers. For seismicity of analysis earthquake data since 2006-2014 from BMKG were used. The results indicate microtremor characteristics around the fault Opak according to the parameter map predominant frequency modeling result, map predominant period modeling result, map amplification factor modeling result, map Vs30 modeling result, curve H/V, curve spectrum and curve TFA which is divided into three zones. Seismicity analysis showed that earthquake around Opakfault earthquake has magnitude between  0,4 to 3,2,  has a depthof 10 km to 20 km, and has a  b-value of 0,44 to 0,76.   Key words: HVSR method, TFA analysis, spectrum analysis, maximum likelihood method, microtremor characteristics, b-value, Opak fault
Identifikasi Jalur Sesar Opak Berdasarkan Analisis Data Anomali Medan Magnet dan Geologi Regional Yogyakarta Ira Maya Fathonah; Nugroho Budi Wibowo; Yoshaphat Sumardi
INDONESIAN JOURNAL OF APPLIED PHYSICS Vol 4, No 02 (2014): IJAP Volume 04 Issue 02 Year 2014
Publisher : Department of Physics, Sebelas Maret University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/ijap.v4i02.4990

Abstract

This research was aimed to know the magnetic field anomaly pattern upon Opak’s fault, to identify the direction of Opak’s fault and the structure of Opak’s fault based on Geomagnetic data. It was conducted in the vicinity of Opak’s fault in Pundong sub-district, Yogyakarta. It used magnetic method which is based on rocks magnetic susceptibility. The data were taken by G-856AX Proton Precision Magnetometer (PPM) using looping method. Data analysis was done using diurnal variation and IGRF correction, reduction to pole, upward continuation and under surface structure modelling. From magnetic field anomaly analysis, it was discovered that magnetic field anomaly on Opak’s fault has -50 nT negative closure in the East, and 100 nT positive closure in the West. According to the result interpretation of 2.5D model on two slices using Mag2DC software, it can be obtained that the under surface structure of Opak’s fault consist of Young Alluvial formation, Nglanggran formation, Semilir formation, Kebo Butak formation, and Wungkal Gamping with various thickness. The location of this Opak’s fault is almost the same with the location of Opak’s fault in Yogyakarta geology map. Opak’s fault around Pundong sub-district is a normal fault directed to N 35º E. The eastern part of the fault has a relatively constant movement, while the western part is relatively moving down.
Analisis Peak Ground Acceleration (PGA) dan Intensitas Gempabumi berdasarkan Data Gempabumi Terasa Tahun 1981 - 2014 di Kabupaten Bantul Yogyakarta Nugroho Budi Wibowo; Juwita Nur Sembri
INDONESIAN JOURNAL OF APPLIED PHYSICS Vol 6, No 01 (2016): IJAP VOLUME 06 ISSUE 01 YEAR 2016
Publisher : Department of Physics, Sebelas Maret University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/ijap.v6i01.1804

Abstract

Seismic historical record in Java period of 1981-2014 recorded that the Special Region of Yogyakarta was hit by damaging earthquake 4 times and hundreds of small earthquakes felt. This research was aimed to assess the peak ground acceleration (PGA) zone and the earthquake intensity based on historical data of earthquake occurrence in 1981-2014. Peak Ground Acceleration was calculated using Kanai equation and earthquake intensity using Wald equation. This research was conducted by using 231 microtremor data in Bantul District that derived from BMKG and also 147 data of damaging earthquake and small earthquake felt from BMKG. The result of this study represent peak ground acceleration value in Bantul District which was varied from 57.7-412.7 gal. Peak Ground Acceleration Zonation of Bantul District was diveded by 3 zones; first zone with PGA value 57.7-91 gal, the second zone with PGA value 92-179 gal and the third zone with PGA value higher than 180 gal. While based on earthquake intensity, Bantul District has damage potential of V-VII MMI in intensity scale.
ANALISIS LITOLOGI LAPISAN SEDIMEN BERDASARKAN METODE HVSR DAN DATA BOR DI KAWASAN JALUR SESAR OPAK ANALYSIS OF SEDIMENT LAYER LITHOLOGY BASED ON HVSR METHOD AND BOREHOLE DATA IN OPAK FAULT LINES AREA Arif Sudrajat; Nugroho Budi Wibowo; Denny Darmawan
Jurnal Ilmu Fisika dan Terapannya (JIFTA) Vol 6, No 2 (2017): Jurnal Fisika
Publisher : Prodi Fisika, Departemen Pendidikan Fisika

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AbstrakTelah dilakukan penelitian tentang analisis litologi lapisan sedimen di kawasan jalur Sesar Opak.Penelitian ini bertujuan untuk mengetahui variasi kedalaman lapisan sedimen dan memetakan zona rawan gempa berdasarkan metode HVSR dan data bor di kawasan jalur Sesar Opak. Penelitian ini dilakukan di wilayah jalur Sesar Opak yang berada di daerah Bantul hingga Prambanan pada koordinat geografis 7,7580 LS – 7,9390 LS dan 110,3460 BT – 110,5320 BT dengan 86 titik penelitian. Data mikrotremor dianalisis menggunakan metode Horizontal to Vertical Spectral Ratio (HVSR) untuk mendapatkan nilai frekuensi predominan dan faktor amplifikasi pada setiap titik penelitian.Hasil analisis mikrotremor digunakan untuk menentukan ketebalan lapisan sedimen dan divalidasi menggunakan data bor di wilayah tersebut yang didapatkan dari Disperindagkop Bidang Pertambangan dan Energi Provinsi D.I. Yogyakarta untuk mendapatkan litologi lapisan sedimen wilayah penelitian. Hasil penelitian ini menunjukkan wilayah yang memiliki nilai ketebalan sedimen relatif tebal yakni 73,75 m sampai dengan 135,37 m berada di sebelah barat jalur Sesar Opak, bagian utara di wilayah Kalasan, Depok, Berbah bagian barat dan utara, Prambanan bagian barat, Piyungan bagian barat daya, Banguntapan dan Kotagede, Pleret bagian barat dan sebagian kecil Pleret bagian timur serta beberapa daerah lain yakni wilayah Kretek dan Pundong. Wilayah lain seperti Jetis, Imogiri, Panggang, Bambanglipuro, sebagian daerah Sewon, Piyungan bagian utara dan Prambanan bagian selatan cenderung memiliki ketebalan sedimen yang lebih tipis antara 3,7 m sampai 69,3 m. Daerah penelitian yang memiliki resiko rawan terhadap gempa bumi berada di Zona I (Bambanglipuro, Pundong dan Kretek) dan Zona IV (Kalasan, Depok, Berbah, Kotagede, Banguntapan, dan sebagian wilayah Prambanan) dengan ketebalan lapisan sedimen yang tebal (73,75 m sampai 135,37 m). Sedangkan daerah yang memiliki resiko rawan gempa bumi relatif lebih kecil berada di Zona II (Imogiri, Jetis dan sebagian daerah Pleret) dan Zona III (Sebagian daerah Prambanan dan Piyungan) dengan ketebalan lapisan sedimen tipis (3,7 m sampai 69,3 m).Kata kunci: Sesar Opak , HVSR, mikrotremorAbstractThe research about analysis of sediment layer lithology in Opak fault lines had been finished. The aim of this study was to identify variation of sediment layers lithology and mapping the earthquake-prone zones based methods HVSR and borehole data in the area of Opak fault lines. The area of this research was in the area of Opak fault lines which located in Bantul until Prambanan at geographical coordinates 7.7580 LS - 110.3460 LS and 7.9390 BT - 110.5320BT using 86 research points. The microtremor signals analyzed using Horizontal to Vertical Spectral Ratio (HVSR) to get the predominan frequency and amplification factors at each point. The result of microtremor analysis was used to determine the value of sediment thickness (H) and was validated using borehole in the area to get sediment layers lithology of the research area. The results of this research indicate that area with thick sediment layer thickness is 73,75 m to 135,37 m was in west side of Opak fault lines, northen part of Kalasan, Depok, western part and northen part of Berbah, western part of Prambanan, southwestern part of Piyungan, Banguntapan and Kotagede, western part of Pleret and small region in eastern part of Pleret and others area like Kretek and Pundong. The other areas like Jetis, Imogiri, Panggang, Bambanglipuro, partially Sewon, northen part of Piyungan and southern part of Prambanan have thinner sediment thickness between 3,7 m to 69,3 m. The area of research which have risk-prone to earthquakes was in Zone I (Bambanglipuro, Pundong and Kretek) and Zone IV (Kalasan, Depok, Berbah, Kotagede, Banguntapan, and part of Prambanan) with thick sediment layer thickness (73, 75 m to 135.37 m). While the risk-prone area which have relatively smaller earthquakes was in Zone II (Imogiri, Djetis and parts Pleret) and Zone III (some part of Prambanan and Piyungan) with thin sediment layer thickness (3.7 m to 69.3 m).Keywords: Opak fault lines, HVSR, microtremor signals
PENENTUAN FORMULA EMPIRIS PERCEPATAN TANAH MAKSIMUM DI DAERAH ISTIMEWA YOGYAKARTA Imdadu Rohman; Denny Darmawan; Nugroho Budi Wibowo
Jurnal Ilmu Fisika dan Terapannya (JIFTA) Vol 9, No 1 (2022): Jurnal Fisika
Publisher : Prodi Fisika, Departemen Pendidikan Fisika

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Telah dilakukan penelitian tentang formula empiris percepatan tanah maksimum (PGA) di Daerah Istimewa Yogyakarta. Penelitian ini bertujuan untuk menentukan formula empiris PGA untuk wilayah Yogyakarta dan membuat peta persebaran nilai PGA dari suatu kejadian gempabumi menggunakan formula empiris yang telah diperoleh. Pada penelitian ini, penentuan formula empiris PGA dilakukan dengan memodifikasi formula empiris umum Costa (1998) menggunakan data dari accelerograph stasiun seismik JUII Yogyakarta. Dari rekaman accelerograph tersebut dicari parameter yang sesuai dengan beberapa event gempa pada tahun 2019. Melalui analisis regresi linier maka formula empiris PGA untuk wilayah Yogyakarta dapat diperoleh. Hasil penelitian menunjukan bahwa formula empiris untuk wilayah Yogyakarta adalah: . Dibandingakan dengan beberapa formula empiris yang sudah ada sebelumnya, formula empiris ini relatif lebih baik dan mendekati hasil PGA observasi dengan tingkat korelasi yang kuat sebesar 0,95 dan tingkat error yang kecil sebesar 0,32. Pemetaan nilai PGA berdasarkan formula empiris yang telah diperoleh pada penelitian ini untuk event gempabumi 9 Juli 2019 menghasilkan persebaran nilai PGA pada rentang 0,5 – 2,6 gal dengan pola persebaran nilai PGA yang berbanding lurus dengan jarak ke sumber gempabumi. Kata kunci: PGA, formula empiris, gempabumi
ANALISIS MIKROTREMOR UNTUK MIKROZONASI INDEKS KERENTANAN SEISMIK DI KAWASAN JALUR SESAR SUNGAI OYO YOGYAKARTA MICROTREMOR ANALYSIS FOR SEISMIC VULNERABILITY INDEX MICROZONATION AROUND OYO RIVER FAULT YOGYAKARTA Ika Kurnaiwati; Nugroho Budi Wibowo; Denny Darmawan
Jurnal Ilmu Fisika dan Terapannya (JIFTA) Vol 6, No 2 (2017): Jurnal Fisika
Publisher : Prodi Fisika, Departemen Pendidikan Fisika

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AbstrakPenelitian ini bertujuan untuk mengetahui nilai dan mikrozonasi indeks kerentanan seismik (Kg) di kawasan jalur Sesar Sungai Oyo. Data penelitian diperoleh melalui pengukuran sinyal mikrotremor di 25 titik lokasi dengan spasi 2 km. Data mikrotremor dianalisis menggunakan metode Horizontal to Vertical Spectral Ratio (HVSR) untuk mendapatkan frekuensi predominan dan faktor amplifikasi di setiap titik penelitian. Hasil dari analisis mikrotremor digunakan untuk menentukan nilai indeks kerentanan seismik (Kg), sehingga diketahui bahwa nilai indeks kerentanan seismik (Kg) berkisar 0,1x10-6sampai 18,1x10-6 s2/cm. Mikrozonasi indeks kerentanan seismik dengan nilai tinggi berada pada formasi Wonosari yang menyebar di Kecamatan Panggang bagian Barat Laut, Kecamatan Playen bagian Barat Daya, dan Kecamatan Dlingo bagian Selatan. Sedangkan mikrozonasi indeks kerentanan seismik dengan nilai rendah berada pada formasi Nglanggran dan formasi Sambipitu yang menyebar di Kecamatan Playen bagian Barat, Kecamatan Imogiri bagian Timur dan Kecamatan Dlingo bagian Barat. Kata kunci:     Indeks kerentanan seismik, mikrotremor, Horizontal to Vertical Spectral Ratio AbstractThe aims of this research was to determine the value and microzonation of seismic vulnerability index (Kg) around Oyo River fault. Data were obtained by microtremor measurement at 25 location with 2 km spacing. The microtremor data were analyzed using Horizontal to Vertical Spectral Ratio (HVSR) method to obtain the predominant frequency and amplification factor at each measurement point to determine the value of seismic vulnerability index (Kg). The results showed that the seismic vulnerability index (Kg) was around 0,1x10-6 to 18,1x10-6 s2/cm. Based on microzonation results, the highest seismic vulnerability index was on Wonosari formation that spread across the Northwestern part of Panggang sub district, the Southwestern part of Playen sub district, and the Southern part of Dlingo sub district. Meanwhile, the low seismic vulnerability index was on Nglanggran formation and Sambipitu formation that spread across the Western part of Playen sub district, the Eastern part of Imogiri sub district, and some locations in the Western part of Dlingo sub district. Keywords:     seismic vulnerability index, microtremor, Horizontal to Vertical Spectral Ratio
MIKROZONASI PERCEPATAN GETARAN TANAH MAKSIMUM MENGGUNAKAN METODE KANAI (1966) DAN INTENSITAS GEMPABUMI DI KAWASAN JALUR SESAR OPAK MICROZONATION OF PEAK GROUND ACCELERATION USING KANAI (1966) METHOD AND EARTHQUAKE INTENSITY IN OPAK FAULT LINES AREA Rifka Addawiyah; Nugroho Budi Wibowo; Denny Darmawan
Jurnal Ilmu Fisika dan Terapannya (JIFTA) Vol 6, No 3 (2017): Jurnal Fisika
Publisher : Prodi Fisika, Departemen Pendidikan Fisika

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AbstrakPenelitian ini bertujuan untuk mengetahui nilai dan mikrozonasi percepatan getaran tanah maksimum (PGA) dan intensitas gempabumi dalam skala Modified Mercalli Intensity (MMI), dan mengetahui mikrozonasi tingkat resiko kerusakan gempa berdasarkan peta kerusakan gempabumi Yogyakarta 27 Mei 2006. Data penelitian ini diambil menggunakan seismometer tipe TDV-23S dan TDL-303S. Data mikrotremor diambil dari 39 titik data primer dengan interval setiap titik 2 km dan 48 titik data sekunder. Data mikrotremor dianalisis menggunakan metode Horizontal to Vertical Spectral Ratio (HVSR) untuk mendapatkan nilai frekuensi predominan dan faktor amplifikasi di setiap titik pengamatan. Nilai frekuensi predominan digunakan untuk mencari nilai periode predominan yang selanjutnya digunakan untuk mencari nilai percepatan getaran tanah maksimum menggunakan metode Kanai (1966). Intensitas gempabumi dicari menggunakan persamaan Wald (1999) dengan input nilai percepatan getaran tanah maksimum. Hasil penelitian menyatakan bahwa nilai percepatan getaran tanah maksimum berkisar antara 39,24 – 485,37 cm/s² dengan intensitas gempabumi berada pada skala V, VI, VII, dan VIII MMI. Mikrozonasi percepatan getaran tanah maksimum dengan nilai tertinggi (titik 2) berada di Kecamatan Imogiri, sedangkan nilai PGA terendah (titik 31) berada di Kecamatan Prambanan. Berdasarkan hasil mikrozonasi tingkat resiko kerusakan gempa, terdapat 3 desa yang termasuk dalam tingkat resiko tinggi kerusakan gempa yaitu Desa Wukirsari dan Desa Karangtengah yang berada di Kecamatan Imogiri, serta Desa Srimulyo yang berada di Kecamatan Piyungan. Untuk tingkat resiko sedang dan rendah menyebar di berbagai desa di kawasan jalur Sesar Opak. Kata kunci: Mikrotremor, Horizontal to Vertical Spectral Ratio, PGA, Intensitas gempabumi, Sesar Opak AbstractThe aims of this research were to determine the value of peak ground acceleration (PGA) and earthquake intensity in Modified Mercalli Intensity (MMI) scale, and to determine microzonation of the risk level of earthquake damage of Yogyakarta 27 May 2006 earthquake.This research data were taken using TDV-23s and TDL-303S seismometer. The primary data were taken from 39 points with 2 km interval and 48 secondary data points. Microtremor data were analyzed using Horizontal to Vertical Spectral Ratio (HVSR) method to get predominant frequency and amplification factor at each point of observation. The predominant frequency was used to calculate the value of predominant period, then it was used to calculate the value of peak ground acceleration using Kanai method (1966). The earthquake intensity was obtained using Wald method (1999) with peak ground acceleration value as the input.The result showed that the value of peak ground acceleration ranged from 39.24 to 485.37 cm/s² with earthquake intensity was on scale of V, VI, VII, and VIII MMI. The highest value of peak ground acceleration (point 2) was located in Imogiri sub district, while the lowest PGA value (point 31) was located in Prambanan sub district. Based on the results of microzonation of earthquake damage risk level, 3 villages had the high-risk earthquake damage, they were Wukirsari Village and Karangtengah Village which are located in Imogiri sub district, and Srimulyo Village in Piyungan sub district. For the medium and low risk level of earthquake damages spread at various villages in Opak Fault lines area. Keywords: Microtremor, Horizontal to Vertical Spectral Ratio, PGA, Earthquake Intensity, Opak Fault 
MIKROZONASI INDEKS KERENTANAN SEISMIK DI KAWASAN JALUR SESAR GRINDULU, KABUPATEN PACITAN BERDASARKAN DATA MIKROTREMOR Ulfa Fadhilah; Nugroho Budi Wibowo; Denny Darmawan
Jurnal Ilmu Fisika dan Terapannya (JIFTA) Vol 8, No 2 (2021): Jurnal Fisika
Publisher : Prodi Fisika, Departemen Pendidikan Fisika

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Penelitian ini bertujuan untuk mengetahui mikrozonasi nilai frekuensi predominan, faktor amplifikasi, indeks kerentanan seismik dan ketebalan lapisan sedimen serta mengetahui hubungan keterkaitan keempat parameter tersebut terhadap nilai digital elevation model (DEM) di kawasan jalur Sesar Grindulu, Kabupaten Pacitan. Pengambilan data dilakukan menggunakan set alat Digital Portable Seismograph  merek Taide tipe TDL-303S dengan durasi pengukuran ±30 menit  untuk setiap titik pengukuran. Sinyal mikrotremor dalam domain waktu dianalisis menggunakan metode Horizontal to Vertical Spectral Ratio (HVSR) sehingga didapatkan parameter frekuensi predominan () dan faktor amplifikasi (). Parameter ini kemudian digunakan untuk mikrozonasi, analisis indeks kerentanan seismik, dan analisis ketebalan lapisan sedimen di jalur Sesar Grindulu. Hasil penelitian menunjukkan bahwa nilai frekuensi predominan () di kawasan jalur Sesar Grindulu berkisar antara 0,6 – 9,6 Hz, nilai faktor amplifikasi ()berkisar antara 3,15 - 15,30, nilai indeks kerentanan seismik berkisar antara 1,06 s2/cm - 390,09 s2/cmdan nilai ketebalan lapisan sedimen berkisar antara 13,22  - 335,81 m. Hasil penelitian juga menunjukkan bahwa terdapat hubungan yang lemah antara keempat parameter tersebut terhadap nilai Digital Elevation Model (DEM).  Kata kunci : mikrotremor, indeks kerentanan seismik, Sesar Grindulu
Kajian Indeks Bahaya Gempabumi dengan Metode Intensitas Guncangan Permukaan di Yogyakarta dan Jawa Tengah Mifta Arunahul Janah; Laila Katriani; Denny Darmawan; Nugroho Budi Wibowo
Jurnal Ilmu Fisika dan Terapannya (JIFTA) Vol 9, No 1 (2022): Jurnal Fisika
Publisher : Prodi Fisika, Departemen Pendidikan Fisika

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Penelitian ini bertujuan untuk mengetahui nilai Vs30 (kecepatan gelombang geser hingga 30 m), PGA (Peak Ground Acceleration), GAF (Ground Amplification Factor), intensitas guncangan permukaan, dan indeks bahaya gempabumi di Yogyakarta dan Jawa Tengah. Metode yang digunakan adalah metode intensitas guncangan permukaan yang dikembangkan JICA (2015). Data PGA diambil dari halaman web PUSKIM-PU, data Vs30 diambil dari web USGS, sedangkan nilai GAF diolah menggunakan persamaan Midorikawa. Berdasarkan nilai GAF dan PGA maka diperoleh nilai PGA permukaan yang diklasifikasikan untuk memperoleh indeks bahaya gempabumi. Hasil penelitian menunjukkan nilai Vs30 sebagian besar masuk kategori bahaya gempabumi tinggi karena berada pada kelas SD dan SC (jenis batuan sedang dan lunak). Nilai PGA tinggi diketahui berada di sekitar kawasan jalur sesar dan nilai GAF tinggi berada di tepi daerah Yogyakarta dan Jawa Tengah. Nilai Intensitas Guncangan Permukaan tinggi juga didominasi berada di kawasan jalur sesar. Sedangkan indeks bahaya gempabumi sebagian besar masuk kategori tinggi.Kata-Kata Kunci: indeks bahaya gempabumi
Co-Authors Achmad Maulana Achsan Adam Ardiansyah Aditya Yoga Purnama Ahmad Zarkasi Andi Andi Andi Andi Annas, Mohamad Chairul Arif Gunawan Arif Sudrajat Arif, Iktifal Ajie Aryono Adhi, Aryono Bilqis El Farsiyyi, Billqis El Farsiyyi Budi Astuti Bustari, Ahdian Azri C., Fathunajah Elsha Cindiwati Denny Darmawan Denny Darmawan Desi Mustami Limayukha, Desi Mustami Limayukha Elsa Fadlika Widyantari, Elsa Fadlika Widyantari Elsha C., Fathunajah Fajarningrum, Fitri Fathunajah Elsha C. Hana Rosyida Heningtyas Heningtyas Icha Khaerunnisa Ika Kurnaiwati Ika Kurniawati Ilqia Rahma, Ilqia Rahma Imdadu Rohman Indar Mery Sulya A. Intifadhah, Sahara Hamas Ira Maya Fathonah Jannah, Dea Mutiara Juwita Nur Sembri Khaerunnisa, Icha Khafidh Nur Aziz Khoirunnisa, Salma Kholis Nurhanafi Laila Katriani Meita Aulia Sari Meita Aulia Saru Merizka Marsyelina Mery S. A., Indar Mifta Arunahul Janah Muhammad Faza Syaddad Ar-rafi Mutiara Jannah, Dea Nining Pratiwi Novi Dwi Ariani, Novi Dwi Nur Faqhina Mentari Perdhana, Radhitya Petiwi, Gofur Dyah Ayu Gilang Pratama, Irfan Rahmania Sofyana Ulya, Rahmania Sofyana Ulya Rahmawati, Zeni Restiana, Sheira Anggi Rifka Addawiyah Rosyida, Hana S. A., Indar Mery Sahirah, Firyal Nida Salma khoirunnisa Sarwi Septiana, Rena Sorayawati, Riska Susanti Susanti Syaddad Ar- Rafi, Muhammad Faza Thaqibul Fikri Niyartama Thaqibul Fikri Niyartama Ulfa Fadhilah Umar Umar Umi Habibah Widianingrum, Erlina Widyaningrum, Erlina Wuri Handayani Yosaphat Sumardi Yoshaphat Sumardi Yuni Setiawati