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Onsite Earthquake Alert and Safety Services Using Low-Cost MEMS Sensors

Due to the increase of earthquakes in the Korean peninsular, much effort has been made to prepare for earthquakes. Our prior work introduced an earthquake alert device using a low-cost MEMS acceleration sensor that can detect an earthquake using a simple artificial neural network and then send out an alert to nearby smart devices. In this study, we further extend the earthquake alert device, which can connect with multiple other earthquake alert devices to build an onsite earthquake alert system covering a small range of areas. To see the effectiveness of our system, we constructed a testbed at several camping sites that do not have earthquake alert systems. Throughput the testbed operation, our system detected two small earthquakes and successfully issued one alarm. Based on our experiments and testbeds, we believe that our earthquake alert system can be effectively used for earthquake preparedness and response even in locations where computing and networking infrastructures are not present.