NDLI: The unified catalogue of earthquakes in central, northern, and northwestern Europe (CENEC)—updated and expanded to the last millennium

Content Provider	Springer Nature Link
Author	Grünthal, Gottfried Wahlström, Rutger Stromeyer, Dietrich
Copyright Year	2009
Abstract	New databases motivate improvements and extensions of the catalogue by Grünthal and Wahlström (J Seismol 7:507–531, 2003a) – G&W03 – of earthquakes in central, northern, and northwestern Europe with M $_{w}$ ≥ 3.50. Data from over 30 regional catalogues, the International Seismological Centre and U.S. National Earthquake Information Center bulletins for the NE Atlantic Ocean, and many special studies were analysed, largely along the lines of the previous study. Non-tectonic, non-seismic, and non-existing as well as duplicate events were identified and removed according to our current stage of knowledge. If not given by the original source, the moment magnitude, M $_{w}$, was calculated for each event with a specified epicentral location and a given strength measure (i.e., an original magnitude of any type or, for onshore events only, an intensity). The calculations follow transformation relations derived in the present or in our previous study. The investigated area is subdivided into 22 polygons, in each of which one or more local catalogues, supplemented by data from special studies, are used. If more than one catalogue lists an event, one entry was selected according to a priority algorithm specific for each polygon. If the selected catalogue entry contains more than one strength type, one was selected for the M $_{w}$ calculation according to another priority scheme. The final catalogue, CENEC, is confined to the time period 1000–2004 and magnitudes M $_{w}$ ≥ 3.50. This is an extension of the time period covered by G&W03 (1300–1993). The number of events has increased from about 5,000 to about 8,000. For each entry, available information on the date, time, location (including focal depth), intensity I $_{0}$, magnitude M $_{w}$, and source (i.e., the local catalogue or special study) are given. The strength type and value from which M $_{w}$ was calculated are also indicated. The catalogue is available on the website of the GFZ German Research Centre of Geosciences.
Starting Page	517
Ending Page	541
Page Count	25
File Format	PDF
ISSN	13834649
Journal	Journal of Seismology
Volume Number	13
Issue Number	4
e-ISSN	1573157X
Language	English
Publisher	Springer Netherlands
Publisher Date	2009-01-13
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Earthquake catalogue Europe Unified moment magnitude Geotechnical Engineering Hydrogeology Structural Geology Geophysics/Geodesy
Content Type	Text
Resource Type	Article
Subject	Geochemistry and Petrology Geophysics

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The unified catalogue of earthquakes in central, northern, and northwestern Europe (CENEC)—updated and expanded to the last millennium

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The unified catalogue of earthquakes in central, northern, and northwestern Europe (CENEC)—updated and expanded to the last millennium

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