Completeness and calibration of the Italian Seismological Instrumental and Parametric Database (ISIDe) before 16 April 2005

• Autorzy: Lolli Barbara , Vannucci Gianfranco , Gasperini Paolo

Identyfikatory

DOI

10.1007/s11600-024-01395-3

• Języki publikacji: EN

Abstrakty

EN

The Italian Seismological Instrumental and Parametric Database (ISIDe) is the recipient of earthquake data collected in real-time by the Istituto Nazionale di Geofisica e Vulcanologia (INGV), and used by the studies of earthquake forecasting and seismic hazard assessment in Italy in the last decade. When it went online, following a significant improvement of the seismic acquisition system of INGV, it was including only data since the second fortnight of April 2005. About ten years later, the data since the beginning of 1985 suddenly appeared without any prior notice than the updating of the starting date of the dataset. However, the characteristics of the added data appeared clearly different from the following period both in terms of the numbers of located earthquakes and of types of magnitudes provided. After having analyzed the numerical consistency and the calibration of magnitudes of ISIDe as a function of time from 1985 to 15 April 2005, we can say that such a dataset is incomplete and poorly calibrated compared to other catalogs of Italian seismicity (CSTI, CSI, and HORUS) available for the same period. Hence, we suggest not using it as is for statistical analyses of Italian seismicity. However, it provides some magnitudes that are missed by other catalogs and thus might be used for improving such catalogs.

Słowa kluczowe

EN

earthquake data; earthquake magnitude; seismic catalog completeness; Chi-square regression method

PL

dane dotyczące trzęsienia ziemi; wielkość trzęsienia ziemi; kompletność katalogu sejsmicznego

• Wydawca: Instytut Geofizyki PAN ; Springer
• Czasopismo: Acta Geophysica
• Rocznik: 2025
• Tom: Vol. 73, no. 1
• Strony: 43--51
• Opis fizyczny: Bibliogr. 20 poz.

Twórcy

autor

Lolli Barbara

• Istituto Nazionale di Geofisica e Vulcanologia, Sezione di Bologna, Viale Berti Pichat, 6/2, I-40127 Bologna, Italy

• https://orcid.org/0000-0003-4186-9055

autor

Vannucci Gianfranco

• Istituto Nazionale di Geofisica e Vulcanologia, Sezione di Bologna, Viale Berti Pichat, 6/2, I-40127 Bologna, Italy

• https://orcid.org/0000-0003-0918-0784

autor

Gasperini Paolo

• Istituto Nazionale di Geofisica e Vulcanologia, Sezione di Bologna, Viale Berti Pichat, 6/2, I-40127 Bologna, Italy
• Dipartimento di Fisica e Astronomia, Universita di Bologna, Viale Berti Pichat, 8, I-40127 Bologna, Italy

• https://orcid.org/0000-0002-5314-0563

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr POPUL/SP/0154/2024/02 w ramach programu "Społeczna odpowiedzialność nauki II" - moduł: Popularyzacja nauki (2025).