Earthquake Information
 Origin Time
2025-12-18 21:03:44 (GMT)
 Magnitude
M 1.8
 Latitude
38.4268° N
 Longitude
21.8596° E
 Focal Depth
2 km
 # of Arrivals
41
 Location 23.0 km NNE of Patras
27.7 km NW of Aegion
171.0 km WNW of Athens
 Solution type
automatic
 Files / Links
QuakeML  GSE2.0  Alert  .phi  
  

  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
EFPHP4.0 90 P21:03:44.25 -1.31.0A
VVKHP4.2263 P21:03:45.22 -0.41.0A
WGC8HA5.1218 P21:03:45.70 0.01.0A
WGC6HA6.4134 P21:03:46.27 0.31.0A
WGC2HA9.8185 P21:03:47.30 0.81.0A
WGC7HA11.9183 P21:03:46.67 -0.21.0A
AGRPCL12.4254 P21:03:46.71 -0.31.0A
ROD3CL13.5168 P21:03:46.84 -0.31.0A
PYRGCL13.8 98 P21:03:47.03 -0.21.0A
WGC4HA14.0106 P21:03:47.03 -0.21.0A
WGC9HA15.7179 P21:03:47.14 -0.41.0A
UPRHP17.2202 P21:03:47.96 0.21.0A
SERGHP17.2 95 P21:03:47.53 -0.31.0A
WGC1HA18.1136 P21:03:48.01 0.11.0A
ANXHP19.3 16 P21:03:48.33 0.21.0A
PATCHL19.5206 P21:03:50.20 2.01.0A
WGC0HA20.9151 P21:03:48.23 -0.21.0A
LAKAHA23.2153 P21:03:48.57 -0.21.0A
KALEHA24.7 99 P21:03:49.93 0.91.0A
AGEOCL25.3135 P21:03:49.28 0.11.0A
PSARCL29.5111 P21:03:49.33 -0.51.0A
PSAMCL30.6112 P21:03:49.51 -0.51.0A
AIOACL31.2146 P21:03:49.79 -0.31.0A
PVOHP35.9306 P21:03:51.30 0.41.0A
PLEVHP39.4268 P21:03:50.76 -0.81.0A
GR241Y41.2 45 P21:03:51.68 -0.11.0A
KLVHL49.6149 P21:03:52.46 -0.81.0A
RLSHL53.8220 P21:03:53.89 -0.11.0A
DROHP54.3194 P21:03:53.62 -0.41.0A
DSFHP58.2 92 P21:03:53.76 -0.91.0A
PDOHP61.9288 P21:03:55.06 -0.31.0A
GURHP69.0142 P21:03:55.68 -0.81.0A
AGGHT77.9 32 P21:03:57.66 -0.41.0A
KRYOHL83.4127 P21:03:59.35 0.41.0A
PRDMHA87.6100 P21:04:00.76 1.11.0A
GR201Y90.4354 P21:04:00.08 0.01.0A
AMTHP100.3188 P21:04:02.19 0.41.0A
LKRHL102.1 76 P21:04:03.78 1.71.0A
RTZLHT102.7248 P21:04:02.31 0.11.0A
LKD2HT111.9291 P21:04:03.90 0.11.0A
VILLHA130.1103 P21:04:07.66 1.21.0A


  Solution details

Event:
    Public ID              nkua2025ysxg
    Description
      region name: Greece
Origin:
    Date                   2025-12-18
    Time                  21:03:44.45  +/-    0.2 s
    Latitude              38.4268 deg  +/-      2 km
    Longitude             21.8596 deg  +/-      1 km
    Depth                       2 km
    Agency                 HA
    Mode                   automatic
    Status                 NOT SET
    Residual RMS             0.66 s
    Azimuthal gap              48 deg

2 Network magnitudes:
    MLv       1.75 +/- 0.21  31            
    M         1.75           31 preferred  

41 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    EFP   HP    0.0  90  P       21:03:44.25  -1.3 A  1.0  EFP  
    VVK   HP    0.0 263  P       21:03:45.22  -0.4 A  1.0  VVK  
    WGC8  HA    0.0 218  P       21:03:45.70  -0.0 A  1.0  WGC8 
    WGC6  HA    0.1 134  P       21:03:46.27   0.3 A  1.0  WGC6 
    WGC2  HA    0.1 185  P       21:03:47.30   0.8 A  1.0  WGC2 
    WGC7  HA    0.1 183  P       21:03:46.67  -0.2 A  1.0  WGC7 
    AGRP  CL    0.1 254  P       21:03:46.71  -0.3 A  1.0  AGRP 
    ROD3  CL    0.1 168  P       21:03:46.84  -0.3 A  1.0  ROD3 
    PYRG  CL    0.1  98  P       21:03:47.03  -0.2 A  1.0  PYRG 
    WGC4  HA    0.1 106  P       21:03:47.03  -0.2 A  1.0  WGC4 
    WGC9  HA    0.1 179  P       21:03:47.14  -0.4 A  1.0  WGC9 
    UPR   HP    0.2 202  P       21:03:47.96   0.2 A  1.0  UPR  
    SERG  HP    0.2  95  P       21:03:47.53  -0.3 A  1.0  SERG 
    WGC1  HA    0.2 136  P       21:03:48.01   0.1 A  1.0  WGC1 
    ANX   HP    0.2  16  P       21:03:48.33   0.2 A  1.0  ANX  
    PATC  HL    0.2 206  P       21:03:50.20   2.0 A  1.0  PATC 
    WGC0  HA    0.2 151  P       21:03:48.23  -0.2 A  1.0  WGC0 
    LAKA  HA    0.2 153  P       21:03:48.57  -0.2 A  1.0  LAKA 
    KALE  HA    0.2  99  P       21:03:49.93   0.9 A  1.0  KALE 
    AGEO  CL    0.2 135  P       21:03:49.28   0.1 A  1.0  AGEO 
    PSAR  CL    0.3 111  P       21:03:49.33  -0.5 A  1.0  PSAR 
    PSAM  CL    0.3 112  P       21:03:49.51  -0.5 A  1.0  PSAM 
    AIOA  CL    0.3 146  P       21:03:49.79  -0.3 A  1.0  AIOA 
    PVO   HP    0.3 306  P       21:03:51.30   0.4 A  1.0  PVO  
    PLEV  HP    0.4 268  P       21:03:50.76  -0.8 A  1.0  PLEV 
    GR24  1Y    0.4  45  P       21:03:51.68  -0.1 A  1.0  GR24 
    KLV   HL    0.4 149  P       21:03:52.46  -0.8 A  1.0  KLV  
    RLS   HL    0.5 220  P       21:03:53.89  -0.1 A  1.0  RLS  
    DRO   HP    0.5 194  P       21:03:53.62  -0.4 A  1.0  DRO  
    DSF   HP    0.5  92  P       21:03:53.76  -0.9 A  1.0  DSF  
    PDO   HP    0.6 288  P       21:03:55.06  -0.3 A  1.0  PDO  
    GUR   HP    0.6 142  P       21:03:55.68  -0.8 A  1.0  GUR  
    AGG   HT    0.7  32  P       21:03:57.66  -0.4 A  1.0  AGG  
    KRYO  HL    0.8 127  P       21:03:59.35   0.4 A  1.0  KRYO 
    PRDM  HA    0.8 100  P       21:04:00.76   1.1 A  1.0  PRDM 
    GR20  1Y    0.8 354  P       21:04:00.08  -0.0 A  1.0  GR20 
    AMT   HP    0.9 188  P       21:04:02.19   0.4 A  1.0  AMT  
    LKR   HL    0.9  76  P       21:04:03.78   1.7 A  1.0  LKR  
    RTZL  HT    0.9 248  P       21:04:02.31   0.1 A  1.0  RTZL 
    LKD2  HT    1.0 291  P       21:04:03.90   0.1 A  1.0  LKD2 
    VILL  HA    1.2 103  P       21:04:07.66   1.2 A  1.0  VILL 

41 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    EFP   HP    0.0  90  MLv     2.21  0.46    10.2177      
    VVK   HP    0.0 263  MLv     1.33 -0.43    6.16343      
    WGC8  HA    0.0 218  MLv     2.63  0.88    25.1441      
    WGC6  HA    0.1 134  MLv     2.31  0.56    11.2462      
    WGC2  HA    0.1 185  MLv     2.61  0.86    18.3595      
    WGC7  HA    0.1 183  MLv     2.13  0.38    5.45534      
    AGRP  CL    0.1 254  MLv     1.96  0.21    3.56301      
    ROD3  CL    0.1 168  MLv     2.09  0.34    6.77461      
    PYRG  CL    0.1  98  MLv     1.42 -0.34   0.589708      
    WGC4  HA    0.1 106  MLv     1.80  0.04    2.21651      
    WGC9  HA    0.1 179  MLv     1.66 -0.09    1.47215      
    UPR   HP    0.2 202  MLv     0.71 -1.05    1.72993      
    SERG  HP    0.2  95  MLv     1.67 -0.08    1.38832      
    WGC1  HA    0.2 136  MLv     1.79  0.04    1.73503      
    ANX   HP    0.2  16  MLv     1.65 -0.10    1.17641      
    PATC  HL    0.2 206  MLv     1.87  0.12    1.90281      
    WGC0  HA    0.2 151  MLv     1.76  0.01    1.38368      
    LAKA  HA    0.2 153  MLv     1.15 -0.60   0.296948      
    KALE  HA    0.2  99  MLv     1.39 -0.36   0.468399      
    AGEO  CL    0.2 135  MLv     1.43 -0.32   0.143612      
    PSAR  CL    0.3 111  MLv     1.38 -0.37   0.350646      
    PSAM  CL    0.3 112  MLv     1.39 -0.37   0.331598      
    AIOA  CL    0.3 146  MLv     1.57 -0.18   0.126319      
    PVO   HP    0.3 306  MLv     1.70 -0.05   0.507576      
    PLEV  HP    0.4 268  MLv     1.34 -0.41   0.181367      
    GR24  1Y    0.4  45  MLv     2.22  0.46     1.2221      
    KLV   HL    0.4 149  MLv     1.81  0.06   0.223964      
    RLS   HL    0.5 220  MLv     1.66 -0.09    0.16534      
    DRO   HP    0.5 194  MLv     1.75 -0.00   0.405772      
    DSF   HP    0.5  92  MLv     1.75 -0.00    0.15734      
    PDO   HP    0.6 288  MLv     2.15  0.40   0.349652      
    GUR   HP    0.6 142  MLv     1.74 -0.01   0.124377      
    AGG   HT    0.7  32  MLv     1.79  0.04   0.0985643      
    KRYO  HL    0.8 127  MLv     1.81  0.05   0.122796      
    PRDM  HA    0.8 100  MLv     1.68 -0.08   0.0867548      
    GR20  1Y    0.8 354  MLv     1.48 -0.28    0.05294      
    AMT   HP    0.9 188  MLv     2.25  0.50   0.280008      
    LKR   HL    0.9  76  MLv     1.93  0.18   0.0707217      
    RTZL  HT    0.9 248  MLv     1.86  0.11   0.112092      
    LKD2  HT    1.0 291  MLv     1.73 -0.03   0.0736938      
    VILL  HA    1.2 103  MLv     1.70 -0.06   0.0558018