M. Aryono Adhi
Universitas Negeri Semarang

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2D Modeling of Subsurface Structures Based on Gravity Data of Mount Arjuno-Welirang Alifa Tri Handayani; M. Aryono Adhi; Supriyadi; Budi Eka Nurcahya
Physics Education Research Journal Vol. 7 No. 2 (2025)
Publisher : Faculty of Science and Education, UIN Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Indonesia is a country that has volcanoes stretching from west to east from Sumatra, Java to Sulawesi. Mount Arjuno-Welirang is a stratovolcano type volcano with an altitude of about 3,339 m (10,955) for Mount Arjuno while for Welirang it is about 3,156. Mount Arjuno-Welirang and its surroundings are composed by rocks sourced from Anjasmoro Volcano (Early Plistocene), Ringgit-Pundak-Butak Volcano (Middle Plistocene), Arjuno-Welirang Twin Volcanoes I and II (Late Plistocene), and Penanggungan Volcano. This research includes data processing and interpretation of the results of data processing.  This research was conducted using geophysical methods, namely the gravity method. The theoretical basis used is Newton's Law. Data in the form of gravity data that has been downloaded on the Land Gravity Data Website which is then processed using Surfer software, then the Magpick Software Upward Continuation process is carried out. After that, the slicing process is carried out on the residual anomaly, then the slicing results will be used to interpret using Grav2DC Software qualitatively based on the geological map as a reference. The interpretation results on the A-B and C-D tracks obtained 4 rock layers, namely volcanic breccia, lava, tuff breccia, and tuff rock. With an error value of 8.25% for incision A-B, and 3.63% for incision C-D.
Delineasi Potensi Perpanjangan Sesar Probolinggo Berdasarkan Respon Anomali Gravitasi Hibrid Noor Efendi; M. Aryono Adhi; Muhamad Syirojudin; Supriyadi
BIOEDUSAINS:Jurnal Pendidikan Biologi dan Sains Vol. 9 No. 3 (2026): BIOEDUSAINS:Jurnal Pendidikan Biologi dan Sains
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31539/bnfte278

Abstract

This research aimed to delineate the potential extension of the Probolinggo Fault based on hybrid gravity anomaly responses to minimize uncertainties in earthquake disaster mitigation information. The method employed integrates primary terrestrial gravity data from field measurements (72 points) with secondary GGMPlus-SRTM2gravity 2018 satellite data using the collocated cokriging technique. Analysis was conducted using regional-residual anomaly separation via Band Pass Filter, alongside the application of First Horizontal Derivative (FHD) and Second Vertical Derivative (SVD) methods to identify structural lineaments. The results show that the hybrid gravity anomaly distribution ranges from -14 mGal to  17  mGal,  representing  the  density  variations  of  Argopuro  and  Lamongan volcanic rocks. Fault lineament delineation was identified over approximately 22 km with a West-East orientation, traversing from Liprak Kidul to Betektaman. Based on an SVD value evaluation showing parity between the hanging wall and footwall (averaging 0.25 mGal/m²), this structure is identified as a strike-slip fault. The study concludes that indications of a westward fault extension beyond the boundaries previously established by Pusgen were found. The use of hybrid data proved to provide optimal spatial resolution in bridging information gaps regarding subsurface structures in areas covered by Quaternary volcanic materials.  Keywords: Delineation, FHD, Hybrid Gravity, Probolinggo Fault, Derivative
Pengembangan Media Pembelajaran Berbasis Aplikasi Android Menggunakan Kodular Materi Alat Ukur Fisika Kelas X SMAN 1 Bergas Rahma Darin Anisa; M. Aryono Adhi
Unnes Physics Education Journal Vol. 14 No. 3 (2025)
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/upej.v14i3.31270

Abstract

Pentingnya kualitas pendidikan dalam meningkatkan sumber daya manusia. Kualitas pendidikan dapat dilihat dari pemanfaataan sumber pendidikan untuk meningkatkan kemampuan belajar salah satunya media pembelajaran. Media pembelajaran yang memanfaatkan teknologi akan memberikan pengalaman belajar siswa menjadi aktif dan lebih menarik. Berdasarkan wawancara dengan guru fisika, fasilitas laboratorium kurang lengkap, serta penggunaan media pembelajaran berbasis teknologi belum maksimal terutama pada sub materi alat ukur fisika. Berdasarkan hal tersebut, perlu dikembangkan media pembelajaran yang menarik bagi siswa dan terintegrasi teknologi. Penelitian ini bertujuan untuk mengembangkan media pembelajaran, menguji kelayakan media pembelajaran, serta mengetahui respon siswa terhadap produk media pembelajaran berbasis Aplikasi Android menggunakan kodular materi alat ukur fisika ditinjau dari aspek UTAUT (penerimaan  penggunaan teknologi). Penelitian pengembangan ini menggunakan model 4D (define, design, develop, disseminate) yang terbatas hanya sampai tahap ketiga dengan uji coba terbatas. Kelayakan media pembelajaran yang merupakan hasil validasi ahli media, serta respon respon siswa diperoleh dari penyebaran angket pada uji coba terbatas. Hasil dari penelitian ini didapatkan bahwa media yag dikembangkan memiliki karakteristik pada kemudahan penggunaan, tampilan visual yang menarik, serta kemampuan aplikasi dalam membantu siswa dalam pembelajaran fisika materi alat ukur. Media pembelajaran yang dikembangkan sangat layak untuk digunakan berdasarkan validasi ahli, serta respon siswa terhadap media pembelajaran berbasis aplikasi Android ditinjau dari aspek UTAUT menunjukkan hasil positif yang menunjukkan bahwa media tidak hanya menarik, tetapi juga memberikan manfaat dalam pembelajaran dan diterima secara positif dari sudut pandang penerimaan teknologi