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A preliminary study of stress pattern at Phlegraean Fields as inferred from focal mechanisms

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Abstract

Thirty-seven selected earthquakes which occurred in Phlegraean Fields from April to December 1983 are investigated from the focal mechanism point of view in order to attempt a preliminary representation of the stress pattern in the area. From 37 earthquakes, 15 reliable solutions were obtained. Ten mechanisms for events located around the Solfatara crater are of tensional type; 2 located in the Gulf of Pozzuoli seem to be compressive. No predominant orientation ofP andT axes seem to occur. Evidently, a more accurate analysis with a greater number of data — in particular for compressive events — is necessary in order to resolve a detailed map of stress pattern.

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Authors and Affiliations

  1. Dipartimento di Geofisica e Vulcanologia, Università di Napoli, Italy

    G. Gaudiosi & G. Iannaccone

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  1. G. Gaudiosi
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  2. G. Iannaccone
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Gaudiosi, G., Iannaccone, G. A preliminary study of stress pattern at Phlegraean Fields as inferred from focal mechanisms. Bull Volcanol 47, 225–231 (1984). https://doi.org/10.1007/BF01961552

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  • DOI: https://doi.org/10.1007/BF01961552

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