Séminaire ISTerre

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Real time earthquake magnitude and location estimation: Potential and pitfalls of deep learning

jeudi 1er juillet 2021 - 11h00

Jannes Münchmeyer - GFZ Potsdam
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Precise real time estimates of earthquake magnitude and location are essential for early warning and rapid response. In this talk, I'll discuss a novel deep learning approach for real time assessment, TEAM-LM, which is flexibile with regard to the underlying seismic network configuration. I evaluate the model on three large scale datasets from Chile, Italy and Japan. On average, the model strongly outperforms traditional fast assessment methods. However, in relevant corner cases, e.g., large magnitude events or offshore events, systematic mispredictions occur. I'll show how these issues can be traced back to insufficient training data and how their impact can be reduced.

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Equipe organisatrice : Cycle sismique et déformations transitoires

Séminaire uniquement en visio

Informations de visio :

Sujet : Zoom meeting invitation - Seminar Jannes Münchmeyer
Heure : 1 juil. 2021 11:00 AM Paris

Participer à la réunion Zoom
https://univ-grenoble-alpes-fr.zoom.us/j/92092921142?pwd=U3VKeGtSRFdXQVRxS3J4WnZFUGEzUT09

ID de réunion : 920 9292 1142
Code secret : 995713