Earthquake Information
 Origin Time
 2025-12-28 10:28:32 (GMT)
 Magnitude
 M 1.9
 Latitude
 38.3438° N
 Longitude
 23.9938° E
 Focal Depth
 10 km
 # of Arrivals
 22
 Location 36.9 km ESE of Chalkida
46.1 km NNE of Athens
58.8 km E of Thiva
 Solution type
 manual
 Files / Links
 QuakeML  GSE2.0  Alert  .phi  
  

  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
ERTRHA19.4291 P10:28:35.72 -0.11.0M
ERTRHA19.4291 S10:28:38.75 -0.11.0M
MRTHHA25.0191 P10:28:37.11 0.41.0M
MRTHHA25.0191 S10:28:40.62 0.21.0M
GR27B1Y26.3122 P10:28:37.01 0.11.0M
GR27B1Y26.3122 S10:28:40.70 -0.11.0M
PSAHHA39.2310 P10:28:38.95 0.01.0M
PSAHHA39.2310 S10:28:44.42 0.01.0M
ALIOHA41.8222 P10:28:39.56 0.11.0M
ALIOHA41.8222 S10:28:45.07 -0.11.0M
ATHUHA45.8204 P10:28:40.16 0.11.0M
ATHUHA45.8204 S10:28:45.94 -0.41.0M
GR261Y51.2277 P10:28:41.14 0.11.0M
GR261Y51.2277 S10:28:48.02 -0.11.0M
KARYHA52.0132 P10:28:40.94 -0.21.0M
KARYHA52.0132 S10:28:47.63 -0.51.0M
MDRAHA55.8236 P10:28:41.77 0.01.0M
MDRAHA55.8236 S10:28:49.19 -0.11.0M
VLYHL57.4198 P10:28:42.33 0.41.0M
VLYHL57.4198 S10:28:49.36 -0.31.0M
VILLHA62.8252 P10:28:43.26 0.41.0M
VILLHA62.8252 S10:28:51.31 0.01.0M


  Solution details 

Event:
    Public ID              nkua2025zkji
    Description
      region name: Greece
Origin:
    Date                   2025-12-28
    Time                  10:28:31.82
    Latitude              38.3438 deg  +/-      0 km
    Longitude             23.9938 deg  +/-      0 km
    Depth                      10 km   +/-    1 km
    Agency                 HA
    Author                 A. Karakonstantis
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.16 s
    Azimuthal gap             173 deg

2 Network magnitudes:
    MLv       1.86 +/- 0.16   9            
    M         1.86            9 preferred  

22 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    ERTR  HA    0.2 291  P       10:28:35.72  -0.1 M  1.0  ERTR 
    ERTR  HA    0.2 291  S       10:28:38.75  -0.1 M  1.0  ERTR 
    MRTH  HA    0.2 191  P       10:28:37.11   0.4 M  1.0  MRTH 
    MRTH  HA    0.2 191  S       10:28:40.62   0.2 M  1.0  MRTH 
    GR27B 1Y    0.2 122  P       10:28:37.01   0.1 M  1.0  GR27B
    GR27B 1Y    0.2 122  S       10:28:40.70  -0.1 M  1.0  GR27B
    PSAH  HA    0.4 310  P       10:28:38.95  -0.0 M  1.0  PSAH 
    PSAH  HA    0.4 310  S       10:28:44.42  -0.0 M  1.0  PSAH 
    ALIO  HA    0.4 222  P       10:28:39.56   0.1 M  1.0  ALIO 
    ALIO  HA    0.4 222  S       10:28:45.07  -0.1 M  1.0  ALIO 
    ATHU  HA    0.4 204  P       10:28:40.16   0.1 M  1.0  ATHU 
    ATHU  HA    0.4 204  S       10:28:45.94  -0.4 M  1.0  ATHU 
    GR26  1Y    0.5 277  P       10:28:41.14   0.1 M  1.0  GR26 
    GR26  1Y    0.5 277  S       10:28:48.02  -0.1 M  1.0  GR26 
    KARY  HA    0.5 132  P       10:28:40.94  -0.2 M  1.0  KARY 
    KARY  HA    0.5 132  S       10:28:47.63  -0.5 M  1.0  KARY 
    MDRA  HA    0.5 236  P       10:28:41.77   0.0 M  1.0  MDRA 
    MDRA  HA    0.5 236  S       10:28:49.19  -0.1 M  1.0  MDRA 
    VLY   HL    0.5 198  P       10:28:42.33   0.4 M  1.0  VLY  
    VLY   HL    0.5 198  S       10:28:49.36  -0.3 M  1.0  VLY  
    VILL  HA    0.6 252  P       10:28:43.26   0.4 M  1.0  VILL 
    VILL  HA    0.6 252  S       10:28:51.31   0.0 M  1.0  VILL 

11 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    ERTR  HA    0.2 291  MLv     1.23 -0.63   0.443088      
    MRTH  HA    0.2 191  MLv     1.95  0.09    1.67078      
    GR27B 1Y    0.2 122  MLv     1.71 -0.15   0.907188      
    PSAH  HA    0.4 310  MLv     1.59 -0.27   0.324975      
    ALIO  HA    0.4 222  MLv     2.08  0.22   0.872378      
    ATHU  HA    0.4 204  MLv     1.89  0.03   0.275973      
    GR26  1Y    0.5 277  MLv     1.77 -0.09   0.244682      
    KARY  HA    0.5 132  MLv     1.71 -0.15   0.205456      
    MDRA  HA    0.5 236  MLv     2.00  0.14   0.322578      
    VLY   HL    0.5 198  MLv     2.44  0.58    0.79764      
    VILL  HA    0.6 252  MLv     2.01  0.15   0.247377