Earthquake Information
 Origin Time
2025-12-20 15:28:18 (GMT)
 Magnitude
M 3.4
 Latitude
39.8562° N
 Longitude
21.7707° E
 Focal Depth
10 km
 # of Arrivals
25
 Location 33.5 km N of Trikala
39.3 km SE of Grevena
268.7 km NW of Athens
 Solution type
automatic
 Files / Links
QuakeML  GSE2.0  Alert  .phi  
  

  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
PRMDHP68.1238 P15:28:30.10 -0.11.0A
GR101Y71.3348 P15:28:30.54 -0.11.0A
EFPHP159.4176 P15:28:44.31 0.91.0A
VVKHP159.5179 P15:28:45.70 2.31.0A
SERGHP162.3171 P15:28:42.48 -1.31.0A
WGC6HA163.8176 P15:28:44.61 0.61.0A
WGC4HA164.2173 P15:28:42.59 -1.41.0A
KALEHA166.0169 P15:28:44.66 0.41.0A
ATALHA168.3140 P15:28:46.39 1.81.0A
WGC7HA171.0178 P15:28:47.38 2.51.0A
WGC5HA171.1166 P15:28:44.79 -0.11.0A
ROD3CL172.5176 P15:28:44.92 -0.21.0A
PSARCL173.1168 P15:28:44.15 -1.01.0A
WGC1HA173.2173 P15:28:44.13 -1.11.0A
PSAMCL174.3168 P15:28:44.33 -1.01.0A
UPRHP174.9180 P15:28:46.93 1.51.0A
WGC0HA178.1174 P15:28:45.05 -0.81.0A
AGEOCL178.7172 P15:28:44.67 -1.31.0A
LAKAHA180.6174 P15:28:45.19 -1.01.0A
AIOACL186.5172 P15:28:45.77 -1.21.0A
KLVHL204.2171 P15:28:48.35 -0.91.0A
DROHP211.8181 P15:28:51.55 1.31.0A
GURHP219.1167 P15:28:51.29 0.11.0A


  Solution details

Event:
    Public ID              nkua2025ywdf
    Description
      region name: Greece
Origin:
    Date                   2025-12-20
    Time                  15:28:17.80  +/-    0.5 s
    Latitude              39.8562 deg  +/-      4 km
    Longitude             21.7707 deg  +/-      6 km
    Depth                      10 km
    Agency                 HA
    Mode                   automatic
    Status                 NOT SET
    Residual RMS             1.19 s
    Azimuthal gap             152 deg

2 Network magnitudes:
    MLv       3.41 +/- 0.53  19            
    M         3.41           19 preferred  

25 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    PRMD  HP    0.6 238  P       15:28:30.10  -0.1 A  1.0  PRMD 
    GR10  1Y    0.6 348  P       15:28:30.54  -0.1 A  1.0  GR10 
    EFP   HP    1.4 176  P       15:28:44.31   0.9 A  1.0  EFP  
    VVK   HP    1.4 179  P       15:28:45.70   2.3 A  1.0  VVK  
    SERG  HP    1.5 171  P       15:28:42.48  -1.3 A  1.0  SERG 
    AGRP  CL    1.5 181  P       15:28:46.84   3.1 AX 0.0  AGRP 
    WGC6  HA    1.5 176  P       15:28:44.61   0.6 A  1.0  WGC6 
    WGC4  HA    1.5 173  P       15:28:42.59  -1.4 A  1.0  WGC4 
    KALE  HA    1.5 169  P       15:28:44.66   0.4 A  1.0  KALE 
    ATAL  HA    1.5 140  P       15:28:46.39   1.8 A  1.0  ATAL 
    WGC7  HA    1.5 178  P       15:28:47.38   2.5 A  1.0  WGC7 
    WGC5  HA    1.5 166  P       15:28:44.79  -0.1 A  1.0  WGC5 
    ROD3  CL    1.6 176  P       15:28:44.92  -0.2 A  1.0  ROD3 
    PSAR  CL    1.6 168  P       15:28:44.15  -1.0 A  1.0  PSAR 
    WGC1  HA    1.6 173  P       15:28:44.13  -1.1 A  1.0  WGC1 
    DSF   HP    1.6 158  P       15:28:48.62   3.4 AX 0.0  DSF  
    PSAM  CL    1.6 168  P       15:28:44.33  -1.0 A  1.0  PSAM 
    UPR   HP    1.6 180  P       15:28:46.93   1.5 A  1.0  UPR  
    WGC0  HA    1.6 174  P       15:28:45.05  -0.8 A  1.0  WGC0 
    AGEO  CL    1.6 172  P       15:28:44.67  -1.3 A  1.0  AGEO 
    LAKA  HA    1.6 174  P       15:28:45.19  -1.0 A  1.0  LAKA 
    AIOA  CL    1.7 172  P       15:28:45.77  -1.2 A  1.0  AIOA 
    KLV   HL    1.8 171  P       15:28:48.35  -0.9 A  1.0  KLV  
    DRO   HP    1.9 181  P       15:28:51.55   1.3 A  1.0  DRO  
    GUR   HP    2.0 167  P       15:28:51.29   0.1 A  1.0  GUR  

23 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    PRMD  HP    0.6 238  MLv     1.59 -1.82   0.0885449      
    GR10  1Y    0.6 348  MLv     1.20 -2.21   0.0348985      
    EFP   HP    1.4 176  MLv     4.01  0.60    8.11988      
    VVK   HP    1.4 179  MLv     2.71 -0.70    1.90829      
    SERG  HP    1.5 171  MLv     4.72  1.31    40.3838      
    WGC6  HA    1.5 176  MLv     3.75  0.34    4.29022      
    WGC4  HA    1.5 173  MLv     4.72  1.31    39.6755      
    KALE  HA    1.5 169  MLv     4.22  0.81    12.3296      
    ATAL  HA    1.5 140  MLv     2.38 -1.03   0.174961      
    WGC7  HA    1.5 178  MLv     3.48  0.07    2.12963      
    WGC5  HA    1.5 166  MLv     3.36 -0.05    1.59961      
    ROD3  CL    1.6 176  MLv     3.73  0.32    5.59348      
    PSAR  CL    1.6 168  MLv     3.60  0.19    2.71451      
    WGC1  HA    1.6 173  MLv     4.32  0.91    14.1851      
    PSAM  CL    1.6 168  MLv     3.62  0.21    2.81166      
    UPR   HP    1.6 180  MLv     2.33 -1.08    1.65995      
    WGC0  HA    1.6 174  MLv     3.85  0.44    4.59483      
    AGEO  CL    1.6 172  MLv     3.87  0.46    1.35897      
    LAKA  HA    1.6 174  MLv     3.40 -0.01    1.57123      
    AIOA  CL    1.7 172  MLv     3.52  0.11   0.499488      
    KLV   HL    1.8 171  MLv     2.88 -0.53   0.276953      
    DRO   HP    1.9 181  MLv     2.68 -0.73   0.439413      
    GUR   HP    2.0 167  MLv     2.94 -0.47   0.349188