European-Mediterranean Seismological Centre
Centre Sismologique Euro-Mediterraneen
Double couple solution provided by GFZ Potsdam

NEIC event parameters: 26-JAN-2001_03:16:41.0
                  23.40 N    70.32 E ()
                  Depth =  20 km (adopted in inversion)
                  Depth =  21 km (based on 24 depth phases)

27 stations used in inversion:
Station Delta Azimuth Takeoff Polarity
--------------------------------------
aru    34.10  348.31  30.5    C
cart   61.73  301.23  23.3    C
dsb    63.72  319.24  22.8    C
esk    61.77  321.48  23.3    C
gumo   70.72   83.22  20.9    C
incn   49.86   60.08  26.5    C
isp    36.87  302.20  29.9    C
kev    52.92  342.55  25.7    C
kiv    30.57  318.66  31.1    C
kmi    29.57   80.24  31.3    C
kono   55.36  327.37  25.0    C
kbs    61.27  349.15  23.4    C
kwp    45.35  317.45  27.7    C
lsa    19.65   67.30  39.8    C
ma2    65.32   33.56  22.4    C
maho   57.37  303.32  24.5    C
malt   30.97  305.94  31.1    C
meli   63.67  299.00  22.8    C
mte    66.27  305.30  22.1    C
pab    64.01  303.88  22.7    C
selv   63.93  301.26  22.7    C
tato   46.48   77.30  27.4    C
tixi   58.24   18.56  24.2    C
wrab   75.85  119.29  19.6    C
xan    35.29   63.92  30.2    C
yak    55.32   29.61  25.0    C
yss    38.78   43.14  29.4    C
Data provided by:
IRIS/IDA, UCM/SFO/GEOFON, GEOFON, IRIS/USGS, GEOFON/MedNet, IRIS/AWI/GEOFON
IAG

Corner frequencies of bandpass filter:   0.020 and   0.100 Hz

First fault plane:  Strike =  283 degrees
                    Rake   =  115 degrees
                    Dip    =   33 degrees

Second fault plane: Strike =   74 degrees
                    Rake   =   75 degrees
                    Dip    =   60 degrees
Mo = ( 3.8 +/-  0.4)*10**20  N*m
Mw =  7.7
Source duration =20 s (from BB displacement seismograms)
Principal axes    Trend      Plunge
-----------------------------------
        P          175          14
        N           82          13
        T          310          70


                     N
                     |
             -----------------        
           ---------------------      
         -------########----------    
        ---#################-------   
       --######################-----  
      -##########################---- 
      ###########   ##############--- 
     ############ T ###############-##
     ############   ###############-##
     ############################----#
     #########################-------#
      #####################---------- 
      ---##############-------------- 
       -----------------------------  
        -------------   -----------   
         ------------ P ----------    
           ----------   --------      
             -----------------        
                     |
                     S

Revised by G. Bock (bock@gfz-potsdam.de) on Jan. 29 based on more
stations than the solution disseminated on Jan. 26.
Visit the GFZ-EMSC web page under http://www.gfz-potsdam.de/pb2/pb24/emsc/emsc.html