From eq@seismology.harvard.edu Sun Dec 26 15:12:17 2004 Date: Sun, 26 Dec 2004 15:01:39 -0500 (EST) Subject: REVISED quick CMT: 2004/12/26, 00:58:50.0, OFF W COAST OF NORTHERN SUMATRA, MW=9.0 This is a REVISED solution for today's earthquake near Sumatra. The solution includes approximately the first 9 hours of data recorded after the earthquake. Owing to the large size of the earthquake, the short-period cutoff for the analysis was set to 300 s. December 26, 2004, OFF W COAST OF NORTHERN SUMATRA, MW=9.0 Meredith Nettles Goran Ekstrom CENTROID, MOMENT TENSOR SOLUTION HARVARD EVENT-FILE NAME M122604A DATA USED: GSN MANTLE WAVES: 73S,202C, T=300 CENTROID LOCATION: ORIGIN TIME 01:01: 9.0 0.3 LAT 3.09N 0.04;LON 94.26E 0.03 DEP 28.6 1.3;HALF-DURATION 95.0 MOMENT TENSOR; SCALE 10**29 D-CM MRR= 1.04 0.01; MTT=-0.43 0.01 MPP=-0.61 0.01; MRT= 2.98 0.16 MRP=-2.40 0.16; MTP= 0.43 0.00 PRINCIPAL AXES: 1.(T) VAL= 4.01;PLG=52;AZM= 36 2.(N) -0.12; 3; 130 3.(P) -3.89; 38; 222 BEST DOUBLE COUPLE:M0=4.0*10**29 NP1:STRIKE=329;DIP= 8;SLIP= 110 NP2:STRIKE=129;DIP=83;SLIP= 87 -#######--- #################-- #####################-- -########################-- ----############# #######-- ------############ T ########-- --------########## #########- -----------#####################- -------------###################- ---------------#################- ------------------##############- -------------------############ ------- ------------########- ------ P --------------#####- ----- ------------------- ----------------------- ------------------- -----------