Yulkifli, Alwi Nofriandi, Rahmat Triyono, Washilla Audia, Nur Anisa Sati'At
This paper discusses the initial design of an earthquake intensitymeter measuring instrument using the IoT-based MMI scale. This research is motivated by the lack of instrumentation technology applied to the community for earthquake mitigation, which is related to the geographical location of Indonesia in earthquake-prone areas. The existing earthquake intensitymeter instrument still has shortcomings in terms of hardware and data acquisition. So this paper tries to provide a solution to the problem by using an MPU6050 accelerometer sensor that can measure PGA values simultaneously on three axes. This system is also equipped with an IoT-based intensitymeter for data acquisition that can be accessed via smartphone. In this system, the MPU6050 sensor is tested for characteristics first using the UC Berkeley Seismological Myshake application, and the average linearity test data obtained is 0.994. The data acquisition system is webserver-based so that every bit of data read every second will be sent to the webserver. The webserver is also equipped with a real-time measurement graph, and every smartphone device can access the data using the IP address of the webserver. © Published under licence by IOP Publishing Ltd.
Department of Physics, Faculty of Mathematics and Science, Universitas Negeri Padang, West Sumatera, 25131, Indonesia; Center for Engineering Seismology, Potential Geophysics and Time Signatures, BMKG, Jl. Angkasa I No. 2 Kemayoran, Jakarta, 10720, Indonesia
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