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- W4303443520 abstract "Improving understanding of current seismic risk is often dependent on developing a more complete characterization of earthquakes that have occurred in the past, and in particular before the development of modern sensing equipment in the middle of the twentieth century. However, accounts of such events are typically anecdotal in nature, limiting efforts to model them to more heuristic approaches. To address this shortfall, we develop a framework based in Bayesian inference to provide a more rigorous methodology for estimating pre-instrumental earthquakes. By directly modeling accounts of resultant tsunamis via probability distributions, the framework allows practitioners to make principled estimates of key characteristics (e.g., magnitude and location) of historical earthquakes. To illustrate this idea, we apply the methodology to the estimation of an earthquake in Eastern Indonesia in the mid 19th century, the source of which is currently the subject of considerable debate in the geological community. The approach taken here gives evidence that even small data that is limited in scope and extremely uncertain can still be used to yield information on past seismic events. Moreover, sensitivity bounds indicate that the results obtained here are robust despite the inherent uncertainty in the observations." @default.
- W4303443520 created "2022-10-07" @default.
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- W4303443520 date "2021-06-14" @default.
- W4303443520 modified "2023-10-08" @default.
- W4303443520 title "Embracing Uncertainty in Small Data Problems: Estimating Earthquakes from Historical Anecdotes" @default.
- W4303443520 doi "https://doi.org/10.48550/arxiv.2106.07797" @default.
- W4303443520 hasPublicationYear "2021" @default.
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