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Journal Article

Developing, Testing, and Communicating Earthquake Forecasts: Current Practices and Future Directions

Authors

Mizrahi,  Leila
External Organizations;

Dallo,  Irina
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van der Elst,  Nicholas J.
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Christophersen,  Annemarie
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Spassiani,  Ilaria
External Organizations;

Werner,  Maximilian J.
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/persons/resource/pciturri

Iturrieta,  Pablo Cristián
2.6 Seismic Hazard and Risk Dynamics, 2.0 Geophysics, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

Bayona,  José A.
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Iervolino,  Iunio
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Schneider,  Max
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Page,  Morgan T.
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Zhuang,  Jiancang
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Herrmann,  Marcus
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Michael,  Andrew J.
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Falcone,  Giuseppe
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Marzocchi,  Warner
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Rhoades,  David
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Gerstenberger,  Matt
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Gulia,  Laura
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/persons/resource/ds

Schorlemmer,  Danijel
2.6 Seismic Hazard and Risk Dynamics, 2.0 Geophysics, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

Becker,  Julia
External Organizations;

Han,  Marta
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Kuratle,  Lorena
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Marti,  Michèle
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Wiemer,  Stefan
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Fulltext (public)

5028991.pdf
(Publisher version), 8MB

Supplementary Material (public)
There is no public supplementary material available
Citation

Mizrahi, L., Dallo, I., van der Elst, N. J., Christophersen, A., Spassiani, I., Werner, M. J., Iturrieta, P. C., Bayona, J., Iervolino, I., Schneider, M., Page, M. T., Zhuang, J., Herrmann, M., Michael, A. J., Falcone, G., Marzocchi, W., Rhoades, D., Gerstenberger, M., Gulia, L., Schorlemmer, D., Becker, J., Han, M., Kuratle, L., Marti, M., Wiemer, S. (2024): Developing, Testing, and Communicating Earthquake Forecasts: Current Practices and Future Directions. - Reviews of Geophysics, 62, 3, e2023RG000823.
https://doi.org/10.1029/2023RG000823


Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5028991
Abstract
While deterministically predicting the time and location of earthquakes remains impossible, earthquake forecasting models can provide estimates of the probabilities of earthquakes occurring within some region over time. To enable informed decision-making of civil protection, governmental agencies, or the public, Operational Earthquake Forecasting (OEF) systems aim to provide authoritative earthquake forecasts based on current earthquake activity in near-real time. Establishing OEF systems involves several nontrivial choices. This review captures the current state of OEF worldwide and analyzes expert recommendations on the development, testing, and communication of earthquake forecasts. An introductory summary of OEF-related research is followed by a description of OEF systems in Italy, New Zealand, and the United States. Combined, these two parts provide an informative and transparent snapshot of today's OEF landscape. In Section 4, we analyze the results of an expert elicitation that was conducted to seek guidance for the establishment of OEF systems. The elicitation identifies consensus and dissent on OEF issues among a non-representative group of 20 international earthquake forecasting experts. While the experts agree that communication products should be developed in collaboration with the forecast user groups, they disagree on whether forecasting models and testing methods should be user-dependent. No recommendations of strict model requirements could be elicited, but benchmark comparisons, prospective testing, reproducibility, and transparency are encouraged. Section 5 gives an outlook on the future of OEF. Besides covering recent research on earthquake forecasting model development and testing, upcoming OEF initiatives are described in the context of the expert elicitation findings.