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

EMSC event parameters: 17-MAY-2001_11:43:57.5
                  38.91 N    15.51 E (Sicily)
                  Depth = 220 km (adopted in inversion)
                  Depth = 229 km (based on  1 depth phases)

19 stations used in inversion:
Station Delta Azimuth Takeoff Polarity
--------------------------------------
bfo    10.75  333.00  81.0    D
brg    12.01  355.16  77.2    D
cart   13.05  268.54  74.7    x
clz    13.42  345.96  73.7    D
css    14.79  100.65  70.7    C
dsb    20.76  320.49  55.0    x
fur     9.74  342.69  84.1    D
kbs    40.15  358.92  39.5    D
kwp    11.89   23.66  77.7    D
maho    8.76  278.78  87.0    C
malt   17.92   85.28  57.5    C
meli   15.16  261.24  69.7    D
mte    17.81  281.53  57.6    x
rgn    15.71  355.23  58.8    D
rue    13.62  355.44  73.2    D
selv   15.25  269.03  58.9    D
suw    15.99   16.81  58.7    D
tns    12.37  338.06  76.5    D
wlf    12.66  330.76  75.7    D
Data provided by:
GRSN, UCM/SFO/GEOFON, GEOFON, IRIS/AWI/GEOFON, GRSN/GEOFON, IAG

Corner frequencies of bandpass filter:   0.020 and   0.100 Hz

First fault plane:  Strike =  125 degrees
                    Rake   =  158 degrees
                    Dip    =    8 degrees

Second fault plane: Strike =  237 degrees
                    Rake   =   83 degrees
                    Dip    =   87 degrees
Mo = ( 7.2 +/-  2.2)*10**16  N*m
Mw =  5.2
Source duration = 2 s (from BB displacement seismograms)
Principal axes    Trend      Plunge
-----------------------------------
        P          334          42
        N          237           7
        T          139          47


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