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All Journal Jurnal Neutrino : jurnal fisika dan aplikasinya Journal of Education and Learning (EduLearn) Scientific Journal of Informatics INDONESIAN JOURNAL OF APPLIED PHYSICS Jurnal Pendidikan Fisika dan Keilmuan (JPFK) Civil Engineering Journal Jurnal Pendidikan Matematika (JUDIKA EDUCATION) International Journal of Community Service Learning UPEJ Unnes Physics Education Journal Physics Communication Journal of Community Empowerment Prosiding Seminar Nasional Pascasarjana Jurnal Fisika UPEJ : Unnes Physics Education Journal Rekayasa: Jurnal Penerapan Teknologi dan Pembelajaran
Aryono Adhi, Aryono
Program Studi Fisika, FMIPA, Universitas Negeri Semarang
Humanities Astronomy Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Energy Environmental Science Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Physics Social Sciences Other

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Integrasi Kurva Horizontal To Vertical Spectral Rasio (Hvsr) dan Kurva Eliptisitas Gelombang Rayleigh untuk Penentuan Indeks Kerentanan Seismik (Kg): Sains Sujabar, Sujabar; Adhi, M. Aryono; Muzli, Muzli; Sofian, Sofian; Fatoni, Iza
Jurnal Pendidikan Matematika : Judika Education Vol. 8 No. 5 (2025): Jurnal Pendidikan Matematika:Judika Education
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31539/2dzgrb16

Abstract

This study aims to determine the seismic vulnerability index using microtremor data in Parigi City. A microtremor survey was conducted at 81 sites across the city. The data were analyzed to obtain the Horizontal to Vertical Spectral Ratio (HVSR) curve and the Rayleigh wave ellipticity curve. These two curves were combined to derive the dominant frequency (f₀) and amplification factor (A₀). The Rayleigh wave ellipticity curve was used to guide the determination of the dominant frequency (f₀) and amplification factor (A₀) on the HVSR curve. The results were then used to calculate the seismic vulnerability index (Kg). The peak of the Rayleigh wave ellipticity curve (Aₑₗₗ) can assist in identifying the dominant frequency (f₀), both when the A₀ peak is clearly visible (clear peak) and when there are multiple or unclear peaks. The use of Aₑₗₗ also helps refine the determination of A₀ values, yielding more stable results. The final mapping results show that the dominant frequency values range from 0.26 Hz to 2.9 Hz, the amplification factor ranges from 1.61 to 4.77, and the seismic vulnerability index ranges from 1.47 to 113.59. Conclusion, The integration of the HVSR curve and the Rayleigh wave ellipticity curve carried out in this study shows that both can be combined and complement each other.   Keywords: Dominant Frequency (f0), Amplification Factor (A0), Seismic Vulnerability Index (Kg), Rayleigh Wave Ellipticity Curve, Horizontal-to-Vertical Spectral Ratio (HVSR) Curve
Analisis Penggunaan Media Pembelajaran Simulasi PhET dengan Unified Theory of Acceptance and Use of Technology (UTAUT) pada Pembelajaran Fisika Dasar II Herdiyanti, Enesty; Adhi, M. Aryono
Unnes Physics Education Journal Vol. 14 No. 1 (2025)
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/upej.v14i1.24169

Abstract

Pentingnya mengutamakan pendidikan dapat meningkatkan kualitas sumber daya manusia. Proses pembelajaran pada bidang pendidikan selalu berkaitan dengan penggunaan media pembelajaran. Penggunaan media pembelajaran secara konvensional membuat mahasiswa kurang memahami konsep fisika dasar. Salah satu alternatif yang dilakukan dengan menggunakan media pembelajaran secara digital yaitu PhET. Berdasarkan wawancara dengan dosen fisika, penggunaan media simulasi PhET masih belum maksimal dan mahasiswa belum memahami dasar-dasar serta mengaplikasikan penggunaan PhET yang disebabkan beberapa faktor. Dengan demikian, salah satu pendekatan teori yang dapat memahami dan menganalisis penggunaan teknologi yaitu menggunakan teori Unified Theory of Acceptance and Use of Technology (UTAUT). Penelitian ini bertujuan untuk mengetahui pengaruh antara ekspektasi kinerja, ekspektasi usaha, pengaruh sosial, dan kondisi fasilitas terhadap perilaku penggunaan dalam menggunakan media pembelajaran simulasi PhET. Penelitian analisis penggunaan media PhET dengan model UTAUT menggunakan pendekatan kuantitatif deskriptif. Responden penelitian ini sebanyak 23 mahasiswa fisika rombongan belajar B Universitas Negeri Semarang angkatan 2023. Metode penelitian yang digunakan yaitu metode pengumpulan data survei dengan menggunakan instrumen angket yaitu google form. Metode analisis data menggunakan PLS-SEM dengan aplikasi pengolah data yaitu menggunakan software SmartPLS. Hasil dari penelitian ini didapatkan bahwa kondisi fasilitas berpengaruh positif dan signifikan terhadap perilaku penggunaan dalam menggunakan media pembelajaran simulasi PhET. Sementara ekspektasi kinerja, ekspektasi usaha, dan pengaruh sosial tidak berpengaruh terhadap perilaku penggunaan dalam menggunakan media pembelajaran simulasi PhET.
Seismic Vulnerability Microzonation Based on Dominant Frequency and Amplification Using the HVSR Method in Wedi, Changewaro (Klaten) and Gendangsari (Yogyakarta) Desi Mustami Limayukha, Desi Mustami Limayukha; Adhi, Mochamad Aryono Adhi; Wibowo, Nugroho Budi; Bilqis El Farsiyyi, Billqis El Farsiyyi; Elsa Fadlika Widyantari, Elsa Fadlika Widyantari; Ilqia Rahma, Ilqia Rahma; Rahmania Sofyana Ulya, Rahmania Sofyana Ulya
Rekayasa Vol. 20 No. 2 (2022)
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/rekayasa.v20i2.9957

Abstract

The Yogyakarta region is prone to frequent earthquakes, highlighting the need for seismic vulnerability assessment and micro zonation analysis. This study aimed to evaluate the area's seismic vulnerability by utilizing microtremor methods to estimate dominant frequency, amplification, seismic vulnerability index, and shear wave velocity. Microtremor points were analyzed using the Horizontal Vertical Spectral Ratio method, with data processed through Geopsy software to obtain f0, A0, and H/V curves. The H/V curve was further inverted using Dinver software to derive ellipticity curves, ground profiles, and Kg values. The results revealed that the dominant frequency values ranged from 0.668 Hz to 18.271 Hz, with higher values prevalent. The soil types in the area were classified as type IV and type I, primarily consisting of older, hard sandy rocks and gravels. Amplification values ranged from 1.03 to 8.36, indicating low amplification levels and placing the area in zone 1. Kg values varied from 0.066 to 15.07 s²/cm, suggesting moderate seismic vulnerability. If an earthquake occurs, the region would experience shaking, though damage would be moderate. Vs30 values ranged from 179.64 m/s to 681.82 m/s, categorizing the soil as hard, dense, soft, or medium.
Site Effect Analysis in Prambanan District and Surroundings Using Shear Wave Velocity and Ellipticity Curve Method from Microtremor Data Rahmania Sofyana Ulya, Rahmania Sofyana Ulya; Adhi, Mochamad Aryono; Budi Wibowo, Nugroho; Desi Mustami Limayukha, Desi Mustami Limayukha; Elsa Fadlika Widyantari, Elsa Fadlika Widyantari; Bilqis El Farsiyyi, Billqis El Farsiyyi; Ilqia Rahma, Ilqia Rahma
Rekayasa Vol. 21 No. 1 (2023)
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/rekayasa.v20i2.9962

Abstract

The shear wave velocity (Vs) is a crucial parameter for determining subsurface layers by averaging the Vs value to a depth of 30 meters, known as Vs30. This study aims to analyze the subsurface soil layers, calculate the Vs30 value, and assess the potential seismic site classifications in Kapanewon Prambanan and its surrounding areas. The research utilizes secondary microtremor data from 27 observation points in the form of MSD files. The microtremor data was processed using Geopsy software with the HVSR method to generate an H/V curve. This curve was further analyzed with the Ellipticity Curve method via Dinver software to obtain the Vs profile at various depths. The findings suggest that the subsurface layers in Kapanewon Prambanan are predominantly composed of hard, very dense soil, soft rocks, and solid rocks, based on the Vs30 values. The Vs30 distribution across the region ranges from 267.857 m/s to 1675.977 m/s, classified into site categories A, B, C, and D. However, the majority of the area falls under site classes B and C. These classifications indicate that the regions under B and C have a relatively lower potential for significant earthquake wave amplification. Nonetheless, attention should still be given to areas categorized under sites D and E, particularly for earthquake disaster mitigation efforts. This detailed Vs30 analysis provides critical insights for seismic assessments, regional planning, and mitigation strategies in Kapanewon Prambanan.
3D Inversion of Gravity Data Modeling Using The Chi Fact Algorithm for Revealing Subsurface Structure in Semarang City Rina Dwi Indriana; Mochamad Aryono Adhi; Danastri L. P. Tampubolon; Sorja Koesuma
INDONESIAN JOURNAL OF APPLIED PHYSICS Vol 12, No 1 (2022): April
Publisher : Department of Physics, Sebelas Maret University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/ijap.v12i1.59295

Abstract

The interpretation of subsurface in the Semarang City with 3D inversion model using the Chi Fact algorithm has been carried out to reveal the subsurface especially related to the presence of groundwater basins. The gravity data model in this research uses 80 stations with a research area of 20 km2 which is specialized in the surrounding area of Kaligarang district. The results of the 3D inversion using the Chi Fact algorithm founded the distribution of subsurface rock density values in the Semarang City area ranging from 1.6 gr/cc to 2.98 gr/cc. The distribution of subsurface density values indicates the subsurface geological structure of the Semarang City area had a normal fault leading to the southeast.
Klasifikasi Jenis Tanah di Kota Bengkulu Berdasarkan Metode  Horizontal To Vertical Spectra Ratio Istofiyah, Istofiyah; Supriyadi, Supriyadi; Adhi, M. Aryono; Setyo Rahman, Aditya; Pramono, Sigit; Sativa, Oriza; Yudhi Octantyo, Ardian; Fani Habibah, Nur
Jurnal Pendidikan Matematika : Judika Education Vol. 8 No. 6 (2025): Jurnal Pendidikan Matematika:Judika Education
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31539/7x5pfg74

Abstract

Bengkulu City is one of the regions in Indonesia with a high level of earthquake susceptibility. To understand the seismic characteristics of the soil in this area, this study employs the Horizontal-to-Vertical Spectral Ratio (HVSR) method based on microtremor data to identify the dominant frequency (F0) and amplification factor (A0), which play a crucial role in seismic microzonation analysis. This study collected 143 microtremor measurement points distributed across Bengkulu City, which were analyzed using Geopsy software to obtain dominant period (Tdom) values and classify soil types. The analysis results indicate that the dominant period values in Bengkulu City range from 0.09213 s to 0.722799 s, reflecting variations in soil characteristics across the region. Overall, Bengkulu City is predominantly composed of medium to hard soil, with most areas such as Pondok Kelapa, Muara Bangka Hulu, the southern part of Sungai Serut, Selebar, and Kampung Melayu classified as medium soil. Meanwhile, hard soil to bedrock classifications are found in Teluk Segara, Ratu Samban, Ratu Agung, Singaran Pati, and the southeastern part of Muara Bangka Hulu, which are dominated by the Alluvium and Terrace Alluvium formations. Additionally, soft soil areas are located in the central part of Sungai Serut, influenced by their proximity to water bodies such as lakes and swamps. These findings confirm that areas with soft soil have a higher potential for seismic amplification, making them more vulnerable to earthquake shaking. Therefore, the results of this study are expected to serve as a reference for disaster mitigation, particularly in earthquake-resistant infrastructure planning and construction in Bengkulu City.   Keywords: HVSR, Dominant period, Amplification
Perbandingan Metode Multi Analysis Surface Wave dan Metode HVSR dengan Mengidentifikasi Karakteristik Bawah Permukaan Jaringan Monitoring Gempabumi Wilayah Jawa Tengah Yogi Widjayanti, Retno; Adhi, M. Aryono; Pramono, Sigit; Setyo Rahman, Aditya; Tawakal, Moh.Iqbal; Ardiansyah, Adam
Jurnal Pendidikan Matematika : Judika Education Vol. 8 No. 6 (2025): Jurnal Pendidikan Matematika:Judika Education
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31539/2y7srw09

Abstract

A region’s geological medium provides distinct local features that affect the propagation of seismic waves. This study looked at subsurface conditions down to 30 meters in order to assess the potential for seismic wave amplification during earthquakes. This research aims to determine the subsurface characteristics using the shear wave (Vs) parameters obtained using the multichannel analysis of surface waves (MASW) method.Twenty-four vertical geophones with a natural frequency of 4.5 Hz were subjected to the MASW technique. Through shear wave analysis, site classification was conducted referring to the Indonesian National Standard (SNI) 1726:2019, enabling evaluation of potential amplification across various sites. Reference sensors were selected from locations across Central Java, including the MBJI (Banjarnegara), KWJI (Wonosobo), KBJN and GTJI (Temanggung), GBJI (Batang), NSM01 (Central Semarang), SMRI and SMRIB (Tembalang), and BOJI (Boyolali).The lowest Vs30 value (165.1 m/s) was recorded at site NSM01 (Pendrikan Kidul, Central Semarang), while the highest (1868 m/s) was recorded at MBJI (Majalengka, Banjarnegara). Most reference sites were classified as Site Class C (very dense soil and soft rock). However, NSM01 was categorized as Site Class E (Soft Soil), indicating a higher potential for ground motion amplification, while MBJI presented minimal amplification risk due to its hard rock base.The findings highlight the importance of subsurface characterization for seismic hazard mitigation. The variation in Vs30 across the study sites reflects the lithological differences that directly affect the ground response during seismic events. Therefore, MASW provides essential data for improving earthquake-resistant infrastructure planning in Central Java.
Seismic Vulnerability Microzonation Using Hvsr Method in Kalisalak Hamlet, Garunglor Village, Sukoharjo Sub-District, Wonosobo District Adam Ardiansyah; Aryono Adhi; Nugroho Budi Wibowo; SARWI; Budi Astuti; Cindiwati
Jurnal Fisika Vol. 14 No. 2 (2024): Jurnal Fisika 14 (2) 2024
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jf.v14i2.10851

Abstract

Kalisalak Hamlet in Sukoharjo District is faced with the risk of landslides that can affect the structure of residents' houses. This study aims to identify potential landslide zones based on the parameters of Dominant Frequency (f_0), Amplification Factor (A_0), and Seismic Vulnerability (K_g)to determine areas that are potentially vulnerable to landslides. Microseismic measurements were carried out at 25 measurement points in the landslide zone. Measurements used a 3-component digital portable seismograph (North-South, West-East, and Vertical). Microseismic data were processed using Geopsy software with the HVSR (Horizontal-to-Vertical Spectral Ratio) method to obtain an H/V curve that provides Dominant Frequency (f_0) and Amplification Factor (A_0) values. The results showed that Kalisalak Village has a dominant frequency value between 3 Hz to 12.5 Hz and an amplification factor value between 1.4 to 6.8. This variation indicates that some areas are more susceptible to seismic vibration amplification. Based on the Dominant Frequency (f_0) value and Amplification Factor (A_0), a Seismic Vulnerability (K_g) microzonation map was created for Kalisalak hamlet with a value range of 0.2 to 7 with a high vulnerability value located in the landslide area south of the village. This map is important for disaster mitigation planning in Kalisalak hamlet.
Co-Authors A. Fauzi Pohan A.A. Ketut Agung Cahyawan W Adam Ardiansyah Adam Ardiansyah Adi Susilo Agus Subekti Agus Subekti Agus Suprianto Aji Purwinarko, Aji Ari Setiawan Ari Setiawan Bambang Subali Bilqis El Farsiyyi, Billqis El Farsiyyi Budi Astuti Budi Eka Nurcahya Budi Eka Nurcahya, Budi Eka Budi Naini Mindyarto, Budi Naini Budi Wibowo, Nugroho Cindiwati Damayanti, Yosephine Debbie Danastri L. P. Tampubolon Desi Mustami Limayukha, Desi Mustami Limayukha Ellianawati, Ellianawati Elsa Fadlika Widyantari, Elsa Fadlika Widyantari Fani Habibah, Nur Farizky Hisyam Fatoni, Iza Herdiyanti, Enesty Ilqia Rahma, Ilqia Rahma Istofiyah, Istofiyah Lestari, Putri Yunia Maulida Nur Azzahra Minhat, Minhat Muh Sarkowi Muhammad Fathur Rouf Hasan Muttaqin, Rudhotul Muzli, Muzli Nanik Wijayati Noor, Yusmaniar Afifah Nugroho Budi Wibowo Nugroho Budi Wibowo Nuni Widiarti Nurul Priyantari Parmin Pratiwi Dwijananti Prayitno, Wasi Sakti Wiwit Putra, Bayu Ramadhani Putra, Ngurah Made Darma Putut Marwoto Rahmania Sofyana Ulya, Rahmania Sofyana Ulya Rina Dwi Indriana Rooseno, Yohan Rr. Sri Endang Pujiastuti S Mursiti Sarwi Sativa, Oriza Setyo Rahman, Aditya Sigit Pramono Sismanto Sismanto Siti Rohmah Siti Wahyuni Siti Zulaikah Sorja Koesuma Sudarmin Sudarmin Sudarmin Sudarmin Suharto Linuwih Sujabar, Sujabar Sulaiman, Ryan Sunyoto Eko Nugroho, Sunyoto Eko Supriyadi Supriyadi Supriyadi Supriyadi Suryanto, Wiwit Suyanto Suyanto Talitha Widiatningrum Tamba, Shallsa Bella. W Tawakal, Moh.Iqbal Ummi Fauziyah Wahyu Hardyanto Wahyudi Wahyudi Wahyudi Wahyudi Wahyudi Wahyudi Wiyanto - Yayuk Tutiek Supriyanti Yogi Widjayanti, Retno Yosepphiene Debbie Damayani Yudhi Octantyo, Ardian Yusof, Mohammad Mubarrak Mohd