Published June 7, 2024 | Version v1
Dataset Open

The new earthquake Locations in the Western Ionian Sea (WISeLoc_1990-2019)

  • 1. Istituto Nazionale di Geofisica e Vulcanologia (INGV)

Description

We computed new 3D locations of 5240 earthquakes (0.6≤ML≤4.7) occurred in the western Ionian Sea in the period between 1990 and 2019. Earthquakes were recorded by the land seismic network managed by the INGV and by a seafloor network, comprising the NEMO-SN1 seafloor observatory (October 2002 – February 2003; June 2012 - June 2013) and 7 Ocean Bottom Seismometers (OBS) deployed during the SEISMOFAULTS experiment (April 2017 – April 2018).

Methods (English)

We collected basic data (travel times) from available datasets (ISIDe Working Group, 2007) and published studies (Sgroi et al., 2021) and processed them using the tomoDDPS algorithm (Zhang et al., 2009) and the 3D velocity model of Sgroi et al. (2021, https://doi.org/10.1038/s41598-020-79719-8).

Technical info (English)

The table (WISeLoc_1990-2019) shows the origin time and the hypocentre parameters of locations. Specifically: ID= identification number; DATE (year-month-day); Origin Time (hour, minute, second and cent); LAT = latitude north in degrees; LONG = longitude east in degrees; DEPTH in km; ML= magnitude; GAP = azimuthal gap in degrees; RMS = root mean square in seconds; NO = total number of seismic phases; P-PHASES, S-PHASES = number of P- and S-phases; ERR-X, ERR-Y, ERR-Z = horizontal and vertical errors in km.

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Additional details

Related works

References
Dataset: 10.13127/ISIDE (DOI)
Journal article: 10.1038/s41598-020-79719-8 (DOI)
Journal article: 10.4401/ag-8575 (DOI)
Journal article: 10.3389/feart.2021.661311 (DOI)
Journal article: 10.1029/2009GC002709 (DOI)