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All Journal Jurnal Sains Materi Indonesia JURNAL FISIKA Sainteknol : Jurnal Sains dan Teknologi JURNAL ILMIAH PENDIDIKAN FISIKA AL BIRUNI Journal of Natural Sciences and Mathematics Research JPSE (Journal of Physical Science and Engineering) Unnes Science Education Journal REiD (Research and Evaluation in Education) JIPF (Jurnal Ilmu Pendidikan Fisika) Jurnal Penelitian Pendidikan IPA (JPPIPA) INDONESIAN JOURNAL OF APPLIED PHYSICS UPEJ Unnes Physics Education Journal Journal of Innovative Science Education Journal of Primary Education Journal of Creativity Student Abdimasku : Jurnal Pengabdian Masyarakat Physics Communication Proceeding Seminar Nasional IPA Physics Communication
Mahardika Prasetya Aji
Universitas Negeri Semarang
Agriculture, Biological Sciences & Forestry Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Health Professions Industrial & Manufacturing Engineering Materials Science & Nanotechnology Physics Social Sciences

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[RETRACTED] Identifikasi Gerakan Tanah Longsor Dengan Pendekatan Ground Shear Strain Menggunakan Pengukuran Mikroseismik di Graha Taman Nirwana Kota Semarang Supriyadi Supriyadi; Rahmad Hafid Hidayatullah; Mahardika Prasetya Aji; Taufik Nur Fitrianto; Rini Kusumawardani
INDONESIAN JOURNAL OF APPLIED PHYSICS Vol 10, No 01 (2020): April
Publisher : Department of Physics, Sebelas Maret University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (594.638 KB) | DOI: 10.13057/ijap.v10i01.24674

Abstract

This article was retracted due to the following reasons :Article: Identifikasi Gerakan Tanah Longsor dengan Pendekatan Ground Shear Strain Menggunakan Pengukuran Mikroseismik di Graha Taman Nirwana Kota Semarang, Vol. 10 No.1 (2020), pp: 32-36 Author: Supriyadi, R.H, Hidayatullah, Mahardika Prasetya Aji, Taufik Nur Fitrianto, Rini KusumawardaniThis article has been retracted by Publisher with the reason of improper data and error in data processing. All authors of the paper agreed with the reason.
Implementation of Grover’s Search Algorithm for Tectonic Activity Detection in an Unsorted Seismic Database Shofina Mumtaz Mahardhika; Listiyanto Listiyanto; Agus Yulianto; Mahardika Prasetya Aji
Physics Communication Vol. 10 No. 2 (2026): August 2026
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/pc.v10i2.59296

Abstract

One application of Grover’s Search Algorithm to large, unsorted databases can be found in seismic data, which is a collection of data with no specific order or structure that continues to grow over time. The Grover’s algorithm was implemented to detect tectonic activity in Indonesia based on earthquake magnitude and depth parameters. The data used consists of 5000 earthquake events in Indonesia from 2019 to 2024, obtained from United States Geological Survey (USGS). The target criteria were defined as earthquakes with a magnitude  and a depth km. The research focused on the amplitude amplification mechanism through the application of a quantum oracle and a quantum diffusion, which increased the probability of finding target data in each iteration. The implementation was carried out using Python and Qiskit. Simulation results showed that both Grover’s algorithm and the classical search method successfully identified 353 target data points. However, Grover’s algorithm required only 3 iterations, whereas the classical method required 5000 iterations. The distribution of target data indicates dominant tectonic activity in North Maluku, papua, and the western Sumatra subduction zone. Grover’s algorithm further demonstrates a computational advantage thorugh a quadratic speedup, reducing the time complexity from  in the classical approach to  in the quantum approach. 
Co-Authors - Sulhadi - Susanto Abdurrohman Khotim Nugraha Adhi, Nino Agus Yulianto Agus Yulianto Ali Sunarso Andya Satya Purnomo Putro Andya Satya Purnomo Putro, Andya Satya Purnomo Ani Rusilowati Antika, Dian Ayu Arik Pujiyanti Astuti, Adina Widi Ati, Laras Atun, Cholis Aulia Litsa Ariffiyah Bambang Subali Budi Astuti Budi Naini Mindyarto, Budi Naini Budiyanto, Saraswati Putri D.R, Priyandika Desy Widaningrum Dewi, Nuriana Rahmani Didik Aryanto Dody Rahayu Prasetyo DWI YULIANTI Eko Nugroho Yuliono, Eko Nugroho F Widhi Mahatmanti Fadhiila, Hayunita Niki Fauzi, Adi Ahmad Fauzi, Adi Ahmad Fitrianto, Taufik Nur Frilisa Dliyaul Haya Gelu, Afrianus Harnina Bintari, Siti Hidayah, Husnul Ian Yulianti, Ian Imtinan, Nisrina Jaafar, Rosly Junaedi Harmiansyah Lailatul Qodriyah, Nur Lasiani, Lasiani Listiyanto Listiyanto Martien Herna Susanti Masturi Masturi Mufatihah, Nishfa Muh. Afis Nur Said Muh. Afis Nur Said, Muh. Afis Nur Nita Rosita Nita Rosita Nita Rosita, Nita Noviana Noviana Nurul Apriani Susanti Nuzulina, Khoirun Pradita Ajeng Wiguna Pradita Ajeng Wiguna, Pradita Ajeng Prayogi, Devin Sidiq Prayogi, Devin Sidiq Putut Marwoto Ragil Meita Alfathy Rahmad Hafid Hidayatullah Rahmawan Wicaksono Rahmawan Wicaksono Ramadhani, Amanda Dhyan Purna Riameinda Br. Bangun Riameinda Br. Bangun, Riameinda Br. Ridho Adi Negoro Rini Kusumawardani, Rini Rosita, Nita Rosly Jaafar S Sulhadi Sari, Ane Armitha Permata Sarwi - Sarwi Sarwi Satria Bijaksana Shofina Mumtaz Mahardhika Siti Aisyah Siti Aisyah St. Budi Waluya Suciningtyas Suciningtyas, Suciningtyas Suciningtyas, Suciningtyas Suharto Linuwih Sulhadi - Sulhadi, Sulhadi Supriyadi - Supriyadi Supriyadi Susanto Susanto Susanto Susanto, Susanto Sutikno Sutikno Toto Sudiro Wati, Annisa Lidia Wati, Annisa Lidia Widaningrum, Desy Wiguna, Pradita Ajeng Yeni Rima Liana