An automated earthquake detection and characterization tool for rapid earthquake and tsunami response in Western Mediterranean

نویسندگان

چکیده

SUMMARY A method of moment tensor inversion with a grid search on the source location and time is presently considered by French Tsunami Service Provider (TSP or CENALT in French) for rapid earthquake tsunami warning western Mediterranean Sea North-East Atlantic Ocean. The approach follows GRiD MT (Grid-based Real-time Determination Moment Tensors) methodology already implemented other regions. Here, we show developments made towards its implementation moderate to large earthquakes Ibero–Maghreb region, which prone generate tsunamis Sea. Results obtained dozen events, contrasting magnitudes, locations focal mechanisms, validate choices parameters (grid resolution, frequency band, velocity models, etc.). Their solutions are compared published from seismological institutes including GFZ USGS. Besides, describe special care needed correct real-time event detection analysis, particular obtaining most appropriate solution out thousand ones explored method. Rapid can turn be used simulations run TSP operator.

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ژورنال

عنوان ژورنال: Geophysical Journal International

سال: 2023

ISSN: ['1365-246X', '0956-540X']

DOI: https://doi.org/10.1093/gji/ggad115