Recurrent Convolutional Neural Networks help to predict location of Earthquakes

preprint2020arXivOpen access

Abstract

We examine the applicability of modern neural network architectures to the midterm prediction of earthquakes. Our data-based classification model aims to predict if an earthquake with the magnitude above a threshold takes place at a given area of size 10×1010 \times 10 kilometers in 1010-6060 days from a given moment. Our deep neural network model has a recurrent part (LSTM) that accounts for time dependencies between earthquakes and a convolutional part that accounts for spatial dependencies. Obtained results show that neural networks-based models beat baseline feature-based models that also account for spatio-temporal dependencies between different earthquakes. For historical data on Japan earthquakes our model predicts occurrence of an earthquake in 1010 to 6060 days from a given moment with magnitude Mc>5M_c > 5 with quality metrics ROC AUC 0.9750.975 and PR AUC 0.08900.0890, making 1.18⋅1031.18 \cdot 10^3 correct predictions, while missing 2.09⋅1032.09 \cdot 10^3 earthquakes and making 192⋅103192 \cdot 10^3 false alarms. The baseline approach has similar ROC AUC 0.9920.992, number of correct predictions 1.19⋅1031.19 \cdot 10^3, and missing 2.07⋅1032.07 \cdot 10^3 earthquakes, but significantly worse PR AUC 0.009110.00911, and number of false alarms 1004⋅1031004 \cdot 10^3.

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