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All Journal Jurnal Penelitian Pendidikan IPA (JPPIPA) JEITECH (JOURNAL OF ELECTRICAL ENGINEERING AND INFORMATION TECHNOLOGY)
Abdullah Zainuddin
University of Mataram
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Engineering Materials Science & Nanotechnology Physics

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Unraveling the Seismic Signal Anomaly at Mount Rinjani Station: In-Depth Exploration with the Detrended Fluctuation (DFA) Analysis Method in Connection with the 2018 Big Earthquake on Lombok Island, West Nusa Tenggara Bulkis Kanata; Rosmaliati; Teti Zubaidah; Made Sutha Yadnya; Abdullah Zainuddin; Dwi Ratnasari; Nur Fitratunnisa; Muhammad Fajrin Akbar
Jurnal Penelitian Pendidikan IPA Vol 10 No 1 (2024): January
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i1.6263

Abstract

We analyzed the seismic signals of the Mount Rinjani station to identify possible seismic anomalies before a series of major earthquakes on Lombok Island in 2018. We observe anomalies before earthquake events Mw >= 5.90. This research applies the detrended fluctuation analysis (DFA) method to investigate possible earthquake precursors associated with the analyzed earthquake. The results showed a relationship between scaling seismic signals (α) that exceeds the threshold of α values during the analysis period, and there is a deviation of the root mean square fluctuations in the corresponding scaling that should be rising but constant. The value of α with constant root mean square fluctuations occurs one to three days before the preliminary earthquake Mw 6.40 (28/07/2018) UTC and eight to 10 days before the main earthquake Mw 6.90 (05/08/2018). The Mw 6.90 earthquake had the most magnitude and could significantly contribute to the appearance of seismic anomalies.
Analisis Quality Of Service (QOS) Jaringan Outdoor 4G di Perumahan Royal Madinah Kabupaten Lombok Barat dengan Metode Drive Test Muhammad Fajri; Suthami Ariessaputra; Abdullah Zainuddin; Sudi Mariyanto Al Sasongko; Cahyo Mustiko Okta Muvianto
JEITECH (JOURNAL OF ELECTRICAL ENGINEERING AND INFORMATION TECHNOLOGY) Vol. 1 No. 1 (2023): JUNI 2023
Publisher : Depertment of Electrical Engineering University of Mataram

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Abstract

Humans need access to information through cellular technology to support their activities, and will continue to increase with the times. This condition forces cellular service providers to continue to innovate to maintain quality to meet the various needs of their users, including in residential areas. Cellular service quality in housing can be determined using Quality of service (QoS) measurements, one of which is the Royal Medina housing complex in West Lombok Regency. The measurements of Quality of service values and signal level values are using the Wireshark and G-Nettrack Pro applications. In addition, measurements use the drive-test method. Based on the THIPON standard, the outdoor measurement results show that the throughput value is in a bad category, while the delay value is in the medium and bad category.
Co-Authors Ariessaputra, Suthami Bulkis Kanata Dwi Ratnasari Made Sutha Yadnya Muhammad Fajri Muhammad Fajrin Akbar Muvianto, Cahyo Mustiko Okta Nur Fitratunnisa Rosmaliati, Rosmaliati Sudi Mariyanto Al Sasongko Teti Zubaidah