Earthquake Information
 Origin Time
 2025-12-29 12:54:20 (GMT)
 Magnitude
 M 1.2
 Latitude
 38.3373° N
 Longitude
 23.9983° E
 Focal Depth
 6 km
 # of Arrivals
 14
 Location 37.5 km ESE of Chalkida
45.7 km NNE of Athens
59.2 km E of Thiva
 Solution type
 manual
 Files / Links
 QuakeML  GSE2.0  Alert  .phi  
  

  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
ERTRHA20.0293 P12:54:23.53 -0.11.0M
ERTRHA20.0293 S12:54:26.47 -0.21.0M
MRTHHA24.4192 P12:54:24.81 0.51.0M
MRTHHA24.4192 S12:54:28.50 0.51.0M
GR27B1Y25.6121 P12:54:24.60 0.11.0M
GR27B1Y25.6121 S12:54:28.30 0.01.0M
PSAHHA40.0310 P12:54:27.05 0.11.0M
PSAHHA40.0310 S12:54:32.51 0.01.0M
ALIOHA41.5223 P12:54:27.19 0.01.0M
ALIOHA41.5223 S12:54:32.88 -0.11.0M
ATHUHA45.3204 P12:54:27.82 0.01.0M
ATHUHA45.3204 S12:54:33.86 -0.21.0M
KARYHA51.2131 P12:54:28.77 0.01.0M
KARYHA51.2131 S12:54:35.19 -0.61.0M


  Solution details 

Event:
    Public ID              nkua2025zmjq
    Description
      region name: Greece
Origin:
    Date                   2025-12-29
    Time                  12:54:19.58
    Latitude              38.3373 deg  +/-      0 km
    Longitude             23.9983 deg  +/-      0 km
    Depth                       6 km   +/-    1 km
    Agency                 HA
    Author                 A. Karakonstantis
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.15 s
    Azimuthal gap             171 deg

2 Network magnitudes:
    MLv       1.23 +/- 0.16   7            
    M         1.23            7 preferred  

14 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    ERTR  HA    0.2 293  P       12:54:23.53  -0.1 M  1.0  ERTR 
    ERTR  HA    0.2 293  S       12:54:26.47  -0.2 M  1.0  ERTR 
    MRTH  HA    0.2 192  P       12:54:24.81   0.5 M  1.0  MRTH 
    MRTH  HA    0.2 192  S       12:54:28.50   0.5 M  1.0  MRTH 
    GR27B 1Y    0.2 121  P       12:54:24.60   0.1 M  1.0  GR27B
    GR27B 1Y    0.2 121  S       12:54:28.30  -0.0 M  1.0  GR27B
    PSAH  HA    0.4 310  P       12:54:27.05   0.1 M  1.0  PSAH 
    PSAH  HA    0.4 310  S       12:54:32.51   0.0 M  1.0  PSAH 
    ALIO  HA    0.4 223  P       12:54:27.19  -0.0 M  1.0  ALIO 
    ALIO  HA    0.4 223  S       12:54:32.88  -0.1 M  1.0  ALIO 
    ATHU  HA    0.4 204  P       12:54:27.82  -0.0 M  1.0  ATHU 
    ATHU  HA    0.4 204  S       12:54:33.86  -0.2 M  1.0  ATHU 
    KARY  HA    0.5 131  P       12:54:28.77  -0.0 M  1.0  KARY 
    KARY  HA    0.5 131  S       12:54:35.19  -0.6 M  1.0  KARY 

7 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    ERTR  HA    0.2 293  MLv     0.73 -0.50   0.135061      
    MRTH  HA    0.2 192  MLv     1.15 -0.08   0.273004      
    GR27B 1Y    0.2 121  MLv     1.06 -0.17   0.208569      
    PSAH  HA    0.4 310  MLv     1.29  0.06   0.154994      
    ALIO  HA    0.4 223  MLv     1.31  0.08   0.149298      
    ATHU  HA    0.4 204  MLv     1.34  0.12   0.0795495      
    KARY  HA    0.5 131  MLv     1.61  0.38   0.169511