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Earthquake Hazards Program

Magnitude 6.1 COSTA RICA

Thursday, January 08, 2009 at 19:21:34 UTC

Global CMT Project Moment Tensor Solution


January 8, 2009,  COSTA RICA, MW=6.1

Liz Starin

CENTROID-MOMENT-TENSOR  SOLUTION
GCMT EVENT:     C200901081921A  
DATA: II IU CU IC G  GE 
L.P.BODY WAVES:101S, 215C, T= 40
MANTLE WAVES:   80S, 118C, T=125
SURFACE WAVES: 103S, 238C, T= 50
TIMESTAMP:      Q-20090109072129
CENTROID LOCATION:
ORIGIN TIME:      19:21:40.8 0.1
LAT:10.27N 0.00;LON: 84.16W 0.00
DEP: 12.0  FIX;TRIANG HDUR:  2.7
MOMENT TENSOR: SCALE 10**25 D-CM
RR= 0.043 0.009; TT=-1.550 0.009
PP= 1.510 0.010; RT=-0.263 0.025
RP=-0.176 0.025; TP=-0.522 0.009
PRINCIPAL AXES:
1.(T) VAL=  1.608;PLG= 5;AZM= 81
2.(N)       0.080;    79;    198
3.(P)      -1.685;    10;    350
BEST DBLE.COUPLE:M0= 1.65*10**25
NP1: STRIKE=126;DIP=80;SLIP=-177
NP2: STRIKE= 35;DIP=87;SLIP= -10

            - P -------           
        -----   -----------       
      --------------------###     
    ---------------------######   
   ##-------------------########  
  #####----------------########## 
  #######------------###########  
 ##########---------############ T
 ############------#############  
 ##############---################
 ###############--################
  #############------############ 
  ############----------######### 
   #########---------------#####  
    #######--------------------   
      ###--------------------     
        -------------------       
            -----------   

Global CMT Project Catalog Search

Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver


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