Earthquake Information
 Origin Time
 2025-12-18 20:54:13 (GMT)
 Magnitude
 M 1.5
 Latitude
 38.1729° N
 Longitude
 24.1656° E
 Focal Depth
 2 km
 # of Arrivals
 12
 Location 43.3 km ENE of Athens
59.0 km ESE of Chalkida
75.7 km ESE of Thiva
 Solution type
 automatic
 Files / Links
 QuakeML  GSE2.0  Alert  .phi  
  

  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
GR27B1Y8.8 55 P20:54:15.33 0.11.0A
MRTHHA20.4254 P20:54:16.62 -0.51.0A
KARYHA28.4123 P20:54:18.44 -0.11.0A
ATHUHA40.5236 P20:54:20.97 0.41.0A
ERTRHA42.1308 P20:54:19.95 -0.91.0A
VLYHL48.3223 P20:54:21.44 -0.41.0A
MDRAHA62.4259 P20:54:25.62 1.41.0A
GR261Y70.6291 P20:54:25.75 0.11.0A
VILLHA74.6270 P20:54:25.91 -0.41.0A
AOS2HT112.0346 P20:54:32.85 0.31.0A
LKRHL114.6298 P20:54:33.07 0.11.0A
SERIHA116.0166 P20:54:32.99 -0.11.0A


  Solution details 

Event:
    Public ID              nkua2025yswy
    Description
      region name: Aegean Sea
Origin:
    Date                   2025-12-18
    Time                  20:54:13.28  +/-    0.3 s
    Latitude              38.1729 deg  +/-      3 km
    Longitude             24.1656 deg  +/-      3 km
    Depth                       2 km
    Agency                 HA
    Mode                   automatic
    Status                 NOT SET
    Residual RMS             0.54 s
    Azimuthal gap              70 deg

2 Network magnitudes:
    MLv       1.46 +/- 0.18  10            
    M         1.46           10 preferred  

12 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    GR27B 1Y    0.1  55  P       20:54:15.33   0.1 A  1.0  GR27B
    MRTH  HA    0.2 254  P       20:54:16.62  -0.5 A  1.0  MRTH 
    KARY  HA    0.3 123  P       20:54:18.44  -0.1 A  1.0  KARY 
    ATHU  HA    0.4 236  P       20:54:20.97   0.4 A  1.0  ATHU 
    ERTR  HA    0.4 308  P       20:54:19.95  -0.9 A  1.0  ERTR 
    VLY   HL    0.4 223  P       20:54:21.44  -0.4 A  1.0  VLY  
    MDRA  HA    0.6 259  P       20:54:25.62   1.4 A  1.0  MDRA 
    GR26  1Y    0.6 291  P       20:54:25.75   0.1 A  1.0  GR26 
    VILL  HA    0.7 270  P       20:54:25.91  -0.4 A  1.0  VILL 
    AOS2  HT    1.0 346  P       20:54:32.85   0.3 A  1.0  AOS2 
    LKR   HL    1.0 298  P       20:54:33.07   0.1 A  1.0  LKR  
    SERI  HA    1.0 166  P       20:54:32.99  -0.1 A  1.0  SERI 

12 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    GR27B 1Y    0.1  55  MLv     1.29 -0.17   0.926584      
    MRTH  HA    0.2 254  MLv     1.92  0.46    2.02181      
    KARY  HA    0.3 123  MLv     1.36 -0.10   0.351853      
    ATHU  HA    0.4 236  MLv     1.37 -0.09   0.110613      
    ERTR  HA    0.4 308  MLv     0.98 -0.48   0.066715      
    VLY   HL    0.4 223  MLv     1.69  0.23   0.241889      
    MDRA  HA    0.6 259  MLv     1.44 -0.02   0.0669936      
    GR26  1Y    0.6 291  MLv     1.29 -0.17   0.0436518      
    VILL  HA    0.7 270  MLv     1.27 -0.18   0.0399801      
    AOS2  HT    1.0 346  MLv     1.46  0.01   0.0402336      
    LKR   HL    1.0 298  MLv     1.77  0.31   0.0424847      
    SERI  HA    1.0 166  MLv     1.71  0.26   0.068381