Earthquake Information
 Origin Time
2025-12-20 18:13:56 (GMT)
 Magnitude
M 0.5
 Latitude
38.4141° N
 Longitude
21.8444° E
 Focal Depth
2 km
 # of Arrivals
11
 Location 21.2 km NNE of Patras
27.7 km NW of Aegion
171.9 km WNW of Athens
 Solution type
automatic
 Files / Links
QuakeML  GSE2.0  Alert  .phi  
  

  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
VVKHP3.0287 P18:13:56.76 0.01.0A
EFPHP5.5 75 P18:13:56.83 -0.41.0A
AGRPCL10.8259 P18:13:57.87 -0.21.0A
ROD3CL12.5161 P18:13:58.13 -0.21.0A
PYRGCL15.0 92 P18:13:58.40 -0.41.0A
SERGHP18.5 90 P18:13:58.86 -0.51.0A
ANXHP21.0 18 P18:13:59.62 -0.21.0A
LAKAHA22.6149 P18:14:01.04 1.01.0A
AIOACL30.8143 P18:14:02.05 0.61.0A
GR241Y43.1 45 P18:14:04.54 1.01.0A
KLVHL49.1147 P18:14:03.84 -0.71.0A


  Solution details

Event:
    Public ID              nkua2025ywir
    Description
      region name: Greece
Origin:
    Date                   2025-12-20
    Time                  18:13:55.82  +/-    0.3 s
    Latitude              38.4141 deg  +/-      3 km
    Longitude             21.8444 deg  +/-      3 km
    Depth                       2 km
    Agency                 HA
    Mode                   automatic
    Status                 NOT SET
    Residual RMS             0.56 s
    Azimuthal gap              99 deg

2 Network magnitudes:
    MLv       0.54 +/- 0.11   6            
    M         0.54            6 preferred  

11 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    VVK   HP    0.0 287  P       18:13:56.76   0.0 A  1.0  VVK  
    EFP   HP    0.0  75  P       18:13:56.83  -0.4 A  1.0  EFP  
    AGRP  CL    0.1 259  P       18:13:57.87  -0.2 A  1.0  AGRP 
    ROD3  CL    0.1 161  P       18:13:58.13  -0.2 A  1.0  ROD3 
    PYRG  CL    0.1  92  P       18:13:58.40  -0.4 A  1.0  PYRG 
    SERG  HP    0.2  90  P       18:13:58.86  -0.5 A  1.0  SERG 
    ANX   HP    0.2  18  P       18:13:59.62  -0.2 A  1.0  ANX  
    LAKA  HA    0.2 149  P       18:14:01.04   1.0 A  1.0  LAKA 
    AIOA  CL    0.3 143  P       18:14:02.05   0.6 A  1.0  AIOA 
    GR24  1Y    0.4  45  P       18:14:04.54   1.0 A  1.0  GR24 
    KLV   HL    0.4 147  P       18:14:03.84  -0.7 A  1.0  KLV  

8 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    VVK   HP    0.0 287  MLv     0.39 -0.14   0.769913      
    EFP   HP    0.0  75  MLv     0.84  0.31   0.404138      
    AGRP  CL    0.1 259  MLv     0.60  0.07   0.171189      
    ROD3  CL    0.1 161  MLv     0.71  0.18   0.301236      
    PYRG  CL    0.1  92  MLv     0.32 -0.21   0.044617      
    SERG  HP    0.2  90  MLv     0.49 -0.04   0.085514      
    LAKA  HA    0.2 149  MLv     0.56  0.03   0.0793142      
    AIOA  CL    0.3 143  MLv     0.45 -0.08   0.00979537