End-to-end LSTM based estimation of volcano event epicenter localization

• URL: http://arxiv.org/abs/2110.14594v1
• Date: Wed, 27 Oct 2021 17:11:33 GMT
• Title: End-to-end LSTM based estimation of volcano event epicenter localization
• Authors: Nestor Becerra Yoma, Jorge Wuth, Andres Pinto, Nicolas de Celis, Jorge Celis, Fernando Huenupan
• Abstract summary: An end-to-end based LSTM scheme is proposed to address the problem of volcano event localization. LSTM was chosen due to its capability to capture the dynamics of time varying signals. Results show that the LSTM based architecture provided a success rate, i.e., an error smaller than 1.0Km, equal to 48.5%.
• Score: 55.60116686945561
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: In this paper, an end-to-end based LSTM scheme is proposed to address the problem of volcano event localization without any a priori model relating phase picking with localization estimation. It is worth emphasizing that automatic phase picking in volcano signals is highly inaccurate because of the short distances between the event epicenters and the seismograph stations. LSTM was chosen due to its capability to capture the dynamics of time varying signals, and to remove or add information within the memory cell state and model long-term dependencies. A brief insight into LSTM is also discussed here. The results presented in this paper show that the LSTM based architecture provided a success rate, i.e., an error smaller than 1.0Km, equal to 48.5%, which in turn is dramatically superior to the one delivered by automatic phase picking. Moreover, the proposed end-to-end LSTM based method gave a success rate 18% higher than CNN.

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