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Analisa Penyimpangan Sinyal GPS Pada Share Location di Urban Area Yadnya, Made Sutha; Zahrina, Putri; Sudarta, I Wayan
JURNAL SAINS TEKNOLOGI & LINGKUNGAN Vol. 11 No. 4 (2025): JURNAL SAINS TEKNOLOGI & LINGKUNGAN
Publisher : LPPM Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jstl.v11i4.955

Abstract

This research arose because there was an error or shift from the share location on the smartphone. As for evaluating the accuracy of share location with several variations of smartphones that are usually used by goods delivery services using WhatsApp and Telegram applications using four android smartphones by comparing RMSE and CDF values. The results show that the average RMSE WhatsApp error is 11-21 meters, while Telegram is 16-37 meters. WhatsApp's CDF on S4 shows the lowest error distribution around a low of less than 20 meters, while Telegram's PDF shows an error distribution of around 30 meters. In the CDF analysis, WhatsApp showed a faster distribution reaching a value of 1, indicating higher accuracy, while Telegram had a slower and wider distribution, indicating lower instability and accuracy.
Analisis Pola Spatio-Temporal Gempa Bumi di Zona Busur Belakang Utara Lombok–Flores Menggunakan Agglomerative Clustering Ramadhani, Cipta; Yadnya, Made Sutha; Paniran, Paniran; Kanata, Bulkis; Zubaidah, Teti
JURNAL SAINS TEKNOLOGI & LINGKUNGAN Vol. 11 No. 4 (2025): JURNAL SAINS TEKNOLOGI & LINGKUNGAN
Publisher : LPPM Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jstl.v11i4.957

Abstract

This study aims to identify earthquake clustering patterns in the Northern Lombok–Flores Back-Arc Zone using the Agglomerative Clustering method. Seismic data were obtained from the United States Geological Survey (USGS) covering the period 1970–2021, using latitude, longitude, depth, and magnitude as clustering variables. A sliding window approach was applied to capture the temporal evolution of seismic activity. The results indicate the formation of three stable clusters that consistently represent different earthquake depth levels across all analyzed time windows. Although fluctuations in the occurrence of large-magnitude earthquakes were observed in several windows, these variations did not significantly affect the clustering structure. This study demonstrates that the combination of Agglomerative Clustering and a sliding window approach is effective for identifying depth-based earthquake clustering patterns and describing their temporal dynamics
Co-Authors A. Sjamsjiar Rachman Abdul Amar Gifari Abdul Nasir, Abdul Abdulah Zainuddin Abdulah Zainuddin Abdulah Zainuddin Abdulah Zainuddin Abdullah Zaenuddin Abdullah Zainuddin Abdullah Zainuddin Abdullah Zainuddin Abdullah Zainuddin Ade Zaini Hasnan P, M Agung Budi Muljono Agung Budi Muljono Ahmad Tahmid Akbar, Lalu Muhamad Roviq Akbar, Muhammad Fajrin Alfandi, Ahmad Nova Alfarizqa, Maulana Ridho Alfathya, Roro Ranti Dea Amalia , Serlyana Amalia, Annisa Rizki Amalia3, Annisa Rizki Amilia , Serlyana Ananda, M. Dimas Apriandi, M. Irawan Ardi , Salman Ari Wijayanti Ariana Wulandari, , Haspita Ariana Wulandari, Haspita Ariessaputra, Suthami Arjana, Ida Bagus Made Aryoso, Galih Dimas Atsani, Affan Azminda, Muhammad Azwar Fidar Baiq Faridha Aulya Maharani Baiq Nurjanah Basri Rahman Budiman, Djulfikry Bulkis Kanata Bulkis Kanata Bulkis Kanata Bulkis Kanata Bulkis Kanata Bulkis Kanata Bulkis Kanata Bulkis Kanata Bulkis Kanata Chandra, Wahyu Chandra Parhadi Cipta Rahmadani Cipta Ramadhani Derajat, Dirga Dama Desi Widianty Devi, Radhe Vrndavanesvari Dewi, Nur Ariza Kurnia Dianda, Nandita Dimas Ananda, M. Djul Fikry Budiman, Djul Fikry Djulfikri Budiman Dwi Lestari Dwi Lestari Dwi Ratnasari Dwi Ratnasari Dwi Ratnasari Dwi Ratnasari Elsya Mayori Elya Kadariya Fajrina , Baiq Zatil Hidayah Fiandra, Naufal Nanda Fitratunnisa, Nur Ginarsa I Made Hadi A, Muh. Saihul Haekal , Muhammad Haeki Manzis Hajatsyah, Lani Sapitri Hani’ah Mahmudah Harjian, Muhammad Rivaldi Hasnan P, M. Ade Zaini Hayat , Nahriyatul Helmy Amalia Ariesta Hidayati , Laely Holis, M. Sopian I A Sri Adnyani I K Wirajati I Kayan Kariyadi I Ketut Perdana Putra I Ketut Wiryajati I Made Agus Yudhiarsana I Made Ari Nrartha I Made Ari Nrartha I Made Ari Nrartha I Made Ari Nratha I Made Ginarsa I Made Ginarsa I Nyoman Wahyu Satiawan I Nyoman Wahyu Satiawan I Putu Gede Wirarama Wedashwara I Wayan Agus Arimbawa, I Wayan Agus I WAYAN SUDARTA I Wayan Sudiarta I Wayan Sudiarta I Wayan Sumertha I Wayan Wirata I. G. P. Wedashwara Wedarama Ida Ayu Sri Adnyani Ida Bagus Fery Citarsa Ida Bagus Fery Citarsa Irawan , Aditia Irawan Apriandi , M. Irwan Irwan Jurnal Wicara Kenya Damayanti Priyatna Kurnia Utami Rinjani Putri Kurniadianto, Dwi Kurniawan, Aldhi Putra Ade L.A.S. Irfan Akbar Lalu Alfian Wahyudi Lalu Diandra Surya Wardhana Lalu Muhamad Irfan Larasati, Alfiyyah Reghin Made Budi Suksmadana , I Maharani, Baiq Faridha Aulya Mahendra, Yusril Majdi, Shafwatul Manzis, Haeki Maryani, Indah Mayori, Elsya Miftahul Jannah Miranti Wulan Saputri Misbahhuddin, Misbahhuddin Misbahhudin Misbahhudin Misbahuddin, Misbahuddin Muhamad Syamsu Iqbal Muhamad Tohri Mulijono, Agung Budi Muljono, Agung B Muvianto, Cahyo Mustiko Okta Nababan, Sabar Nabilah Putri Nursuha Nanda Febriyani Putri Natasya Dewi Astuti Natsir, Abdul Ni Komang Wiasti Ni Luh Sinar Ayu Ratna Dewi Ni Putu Listiawati Ni Putu Sasmika Dewi Ni Putu Sudewi Budhawati Noviana , Ena Noviana, Ena Nrartha I Made Nrartha I Made Ari Nujulia, Nilti Haeratul Nujulia, Nilti Haeratun Nur Ariza Kurnia Dewi Nurhasanah Nurrahman, Winaldi Nursuha, Nabilah Putri Nyoman Putra Sastra Octaviana, Rina Prihaty Paniran Paniran Paniran Paniran Parhadi, Wahyu Chandra Patni R, Gusti Ayu Santi Pranama, Ida Bagus Beni Surya Adi Pratama, Enrico Ananta Priadana , Wahyu Putra, Doddy Setya Darsanti Putra, I Ketut Perdana Putri, Nanda Febriyani Rahayuningsih, Ramdani Ramdani, M. Restu Nopiandi Irawan Riksa , Anggara Rina Prihaty Octaviana Risna Putri Zahara Rizki Amalia , Annisa Roro Ranti Dea Alfathya Rosmaliati Rosmaliati , Rosmaliati Rosmaliati, Rosmaliati Saputri, Miranti Wulan Saridewi, Desak Putu Sasongko, Sudi M Al Sasongko, Sudi Maryanto Al satiawan, nyoman wahyu Seniari, Ni Made Shahab, Seha Siti Zaenab SMA Sasongko solihati, solihati Sopian Holis , M. Suci Raditya Yadnya Sudarmaa, I Made Sudi Mariyanto Al Sasongko Sudi Mariyanto Al Sasongko Sudi Mariyato Al Sasongko Sudi Maryanto Al Sasongko Sueca, I Nyoman Sugiarta , Anya Putri Sugiartini , Ni Nengah Cista Nanda Suharyadi, Farhan Ahmad Sukmawati Sukmawati Suksmadana, I Made Budi Sultan . Sultan Sultan Sultan Sultan Sultan Sultan Sultan Sultan Sultan Sultan Sultan Sultan Sultan Sultan Sulthon Zamroni Supiana, Wina Supriono Supriono Supriyatna Supriyatna Tatang Mulyana Teti Zubaidah Teti Zubaidah Teti Zubaidah Teti Zubaidah Teti Zubaidah Teti Zubaidah Tohri, M. Utami , Ida Ayu Tresna Dewi Vrndavanesvari Devi , Radhe Wardhana, Lalu Diandra Surya Wedarama, I.G.P. Wedashwara Wedashwara, Wirarama Widianty , Desi Wulandari, Haspita Ariana Wulandari, Zurrizka Putri yadnya, suci raditya Zahara, Risna Putri Zahrina, Putri Zainuddin, Abdullah Zulfikarullah Zulfikarullah Zulhidayati, Masni Zulvia, Ridho