Mag 6.8 Earthquake TONGA

EMSC HAS RECORDED THE FOLLOWING SEISMIC EVENT _____________________________________________________________________ EARTHQUAKE on 22/09/2011 at 23:07 (UTC) TONGA                                  154 km W  Hihifo MAGNITUDE: Mw 6.8 Data provided by: BGSG GFZ  MAD  PTWC SC3                           Latitude    =  15.73 S Longitude   = 175.18 W Origin Time =  23:07:12.2 (UTC) Depth       =  60 Km RMS         =   1.65 sec Gap         =  71 degrees 95% confidence ellipse: - Semi major = 21.3 Km                         - Semi minor = 14.6 Km                         - Azimuth of major axis = 141 degrees Number of data used = 36 Preliminary location computed on Thu Sep 22 23:27:19 2011 (UTC) Done by Bruno Hernandez Comments : Message number: 1530 All magnitudes estimations : Mw6.5 (BGSG)  M 6.0 (GFZ)   mb6.1 (MAD)   Mw6.8 (PTWC)  Mw6.6 (SC3)                                             P.S.: For additional information, please contact EMSC at:              - Email: mazet@emsc-csem.org              - Web  : http://www.emsc-csem.org (maps available)              - Fax  : 33 1 69 26 70 00 AquaPonics Grow Vegetables without Dirt. Survival Farming Click Here!