Centre Sismologique Euro-Mediterraneen European-Mediterranean Seismological Centre Rapid Determination of Source Parameters operated at LDG (Paris) and IGN (Madrid) ********************************************************************* *********************** ALERT MESSAGE **************************** ********************************************************************* WARNING : These parameters are preliminary and subject to revision. Location and magnitude estimations may be revised if necessary in an INFORMATION message. _____________________________________________________________________
EARTHQUAKE on 07/04/2009 at 17:47 (UTC) CENTRAL ITALY 6 km E L'aquila MAGNITUDE: mb 5.5 Data provided by: BGSG BUC GFZ INGV LED LJU ODC ZAMG Latitude = 42.33 N Longitude = 13.47 E Origin Time = 17:47:37.4 (UTC) Depth = 2 Km RMS = 1.08 sec Gap = 21 degrees 95% confidence ellipse: - Semi major = 2.2 Km - Semi minor = 1.5 Km - Azimuth of major axis = 50 degrees Number of data used = 243 Preliminary location computed on Tue Apr 7 18:01:42 2009 (UTC) Done by Julien VERGOZ Comments : Message number: 1174 All magnitudes estimations : Mw5.7 (BGSG) ML5.2 (BGSG) M 5.5 (GFZ) ML5.3 (INGV) ML5.4 (LED) ML5.7 (ODC) mb4.2 (ZAMG) P.S.: For additional information, please contact EMSC at: - Email: [email protected] - Web : http://www.emsc-csem.org (maps available) - Fax : 33 1 69 26 70 00 -- Posted By Breaking News to Break News at 4/07/2009 09:03:00 PM
