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Early warning for great earthquakes from characterization of crustal deformation patterns with deep learning

Early warning for great earthquakes from characterization of crustal deformation patterns with deep learning

This is a Preprint and has not been peer reviewed. The published version of this Preprint is available: http://doi.org/10.1029/2021JB022703. This is version 4 of this Preprint.

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Authors

Jiun-Ting Lin , Diego Melgar , Amanda Thomas, Jake Searcy

Abstract

Although infrequent, large (Mw7.5+) earthquakes can be extremely damaging and occur on subduction and intraplate faults worldwide. Earthquake early warning (EEW) systems aim to provide advanced warning before strong shaking and tsunami onsets. These systems estimate earthquake magnitude using the early metrics of waveforms, relying on empirical scaling relationships of abundant past events. However, both the rarity and complexity of great events make it challenging to characterize them, and EEW algorithms often underpredict magnitude and the resulting hazards. Here we propose a model, M-LARGE, that leverages the power of deep learning to cha...  more

DOI

https://doi.org/10.31223/X5NW21

Subjects

Earth Sciences

Keywords

Dates

Published: 2021-02-10 16:58

Last Updated: 2021-09-03 03:58

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License

CC BY Attribution 4.0 International

Additional Metadata

Conflict of interest statement:
None