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 16/04/2009 at 14:57 (UTC) SOUTH SANDWICH ISLANDS REGION 877 km SE Grytviken MAGNITUDE: Mw 7.0 Data provided by: BGSG GFZ LVV MAD MCSM NEIC PTWC Latitude = 60.38 S Longitude = 27.23 W Origin Time = 14:57:03.7 (UTC) Depth = 10 Km RMS = 1.78 sec Gap = 52 degrees 95% confidence ellipse: - Semi major = 12.2 Km - Semi minor = 10.1 Km - Azimuth of major axis = 65 degrees Number of data used = 110 Preliminary location computed on Thu Apr 16 15:42:01 2009 (UTC) Done by Pascal Roudil Comments : Message number: 1178 All magnitudes estimations : Mw7.1 (BGSG) M 6.7 (GFZ) mb6.0 (MAD) MT6.5 (NEIC) Mw6.7 (PTWC) 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 4/16/2009 06:42:00 PM
