Earthquake Information
 Origin Time
 2025-12-28 15:41:08 (GMT)
 Magnitude
 M 1.7
 Latitude
 38.3297° N
 Longitude
 24.0017° E
 Focal Depth
 13 km
 # of Arrivals
 20
 Location 38.1 km ESE of Chalkida
45.1 km NNE of Athens
59.5 km E of Thiva
 Solution type
 manual
 Files / Links
 QuakeML  GSE2.0  Alert  .phi  
  

  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
MRTHHA23.6193 P15:41:13.19 0.21.0M
MRTHHA23.6193 S15:41:17.04 0.41.0M
GR27B1Y24.9120 P15:41:13.20 0.01.0M
GR27B1Y24.9120 S15:41:16.88 -0.11.0M
PSAHHA40.8311 P15:41:15.89 0.21.0M
PSAHHA40.8311 S15:41:21.30 0.01.0M
ALIOHA41.1225 P15:41:15.79 0.11.0M
ALIOHA41.1225 S15:41:21.16 -0.31.0M
ATHUHA44.6205 P15:41:16.44 0.11.0M
ATHUHA44.6205 S15:41:22.21 -0.21.0M
KARYHA50.4131 P15:41:17.58 0.41.0M
KARYHA50.4131 S15:41:23.75 -0.31.0M
MRKAHA55.2319 P15:41:17.93 -0.11.0M
MRKAHA55.2319 S15:41:24.70 -0.71.0M
MDRAHA55.5238 P15:41:18.03 0.01.0M
MDRAHA55.5238 S15:41:25.33 -0.21.0M
VLYHL56.1199 P15:41:18.41 0.31.0M
VLYHL56.1199 S15:41:25.58 0.01.0M
VILLHA63.0253 P15:41:19.52 0.21.0M
VILLHA63.0253 S15:41:27.72 0.01.0M


  Solution details 

Event:
    Public ID              nkua2025zktr
    Description
      region name: Aegean Sea
Origin:
    Date                   2025-12-28
    Time                  15:41:08.23
    Latitude              38.3297 deg  +/-      0 km
    Longitude             24.0017 deg  +/-      0 km
    Depth                      13 km   +/-    3 km
    Agency                 HA
    Author                 A. Karakonstantis
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.20 s
    Azimuthal gap             161 deg

2 Network magnitudes:
    MLv       1.74 +/- 0.14   8            
    M         1.74            8 preferred  

20 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    MRTH  HA    0.2 193  P       15:41:13.19   0.2 M  1.0  MRTH 
    MRTH  HA    0.2 193  S       15:41:17.04   0.4 M  1.0  MRTH 
    GR27B 1Y    0.2 120  P       15:41:13.20   0.0 M  1.0  GR27B
    GR27B 1Y    0.2 120  S       15:41:16.88  -0.1 M  1.0  GR27B
    PSAH  HA    0.4 311  P       15:41:15.89   0.2 M  1.0  PSAH 
    PSAH  HA    0.4 311  S       15:41:21.30  -0.0 M  1.0  PSAH 
    ALIO  HA    0.4 225  P       15:41:15.79   0.1 M  1.0  ALIO 
    ALIO  HA    0.4 225  S       15:41:21.16  -0.3 M  1.0  ALIO 
    ATHU  HA    0.4 205  P       15:41:16.44   0.1 M  1.0  ATHU 
    ATHU  HA    0.4 205  S       15:41:22.21  -0.2 M  1.0  ATHU 
    KARY  HA    0.5 131  P       15:41:17.58   0.4 M  1.0  KARY 
    KARY  HA    0.5 131  S       15:41:23.75  -0.3 M  1.0  KARY 
    MRKA  HA    0.5 319  P       15:41:17.93  -0.1 M  1.0  MRKA 
    MRKA  HA    0.5 319  S       15:41:24.70  -0.7 M  1.0  MRKA 
    MDRA  HA    0.5 238  P       15:41:18.03  -0.0 M  1.0  MDRA 
    MDRA  HA    0.5 238  S       15:41:25.33  -0.2 M  1.0  MDRA 
    VLY   HL    0.5 199  P       15:41:18.41   0.3 M  1.0  VLY  
    VLY   HL    0.5 199  S       15:41:25.58  -0.0 M  1.0  VLY  
    VILL  HA    0.6 253  P       15:41:19.52   0.2 M  1.0  VILL 
    VILL  HA    0.6 253  S       15:41:27.72   0.0 M  1.0  VILL 

10 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    MRTH  HA    0.2 193  MLv     1.56 -0.18   0.742417      
    GR27B 1Y    0.2 120  MLv     1.26 -0.48   0.345024      
    PSAH  HA    0.4 311  MLv     1.65 -0.09   0.335969      
    ALIO  HA    0.4 225  MLv     1.67 -0.07   0.351961      
    ATHU  HA    0.4 205  MLv     1.76  0.02   0.215691      
    KARY  HA    0.5 131  MLv     1.62 -0.12   0.183128      
    MRKA  HA    0.5 319  MLv     1.86  0.12   0.237113      
    MDRA  HA    0.5 238  MLv     1.82  0.08   0.215904      
    VLY   HL    0.5 199  MLv     2.08  0.34    0.37655      
    VILL  HA    0.6 253  MLv     2.00  0.26    0.24329