Earthquake Information
 Origin Time
2025-12-20 22:33:28 (GMT)
 Magnitude
M 1.5
 Latitude
37.7945° N
 Longitude
23.8853° E
 Focal Depth
7 km
 # of Arrivals
32
 Location 24.9 km SSE of Athens
76.8 km SE of Thiva
78.5 km SSE of Chalkida
 Solution type
manual
 Files / Links
QuakeML  GSE2.0  Alert  .phi  
  

  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
VLYHL10.3309 P22:33:29.74 -0.31.0M
VLYHL10.3309 S22:33:31.53 -0.31.0M
ATHUHA21.1335 P22:33:31.68 -0.11.0M
ATHUHA21.1335 S22:33:34.61 -0.41.0M
ALIOHA35.5328 P22:33:34.32 0.11.0M
ALIOHA35.5328 S22:33:38.74 -0.41.0M
MRTHHA36.8 8 P22:33:34.81 0.41.0M
MRTHHA36.8 8 S22:33:39.16 -0.41.0M
MDRAHA47.2309 P22:33:36.03 -0.11.0M
MDRAHA47.2309 S22:33:42.12 -0.51.0M
MET1HL50.1241 P22:33:36.25 -0.31.0M
MET1HL50.1241 S22:33:43.31 -0.11.0M
KARYHA55.1 61 P22:33:37.90 0.51.0M
KARYHA55.1 61 S22:33:44.27 -0.61.0M
VILLHA64.9309 P22:33:39.49 0.41.0M
VILLHA64.9309 S22:33:47.40 -0.41.0M
ERTRHA68.6353 P22:33:40.12 0.51.0M
ERTRHA68.6353 S22:33:48.87 0.21.0M
EPIDHA70.3254 P22:33:40.03 0.11.0M
EPIDHA70.3254 S22:33:49.28 -0.11.0M
AMPEHA78.1316 P22:33:41.75 0.61.0M
AMPEHA78.1316 S22:33:51.42 -0.11.0M
GR261Y79.1328 P22:33:41.72 0.31.0M
GR261Y79.1328 S22:33:51.90 0.01.0M
LTKHP84.4287 P22:33:43.11 0.81.0M
LTKHP84.4287 S22:33:53.23 -0.21.0M
ACORHA89.8277 P22:33:43.94 0.81.0M
ACORHA89.8277 S22:33:54.74 -0.21.0M
MRKAHA104.5345 P22:33:46.18 0.81.0M
MRKAHA104.5345 S22:33:59.48 0.61.0M
PRDMHA105.8301 P22:33:46.58 0.91.0M
PRDMHA105.8301 S22:33:59.42 0.01.0M


  Solution details

Event:
    Public ID              nkua2025ywrf
    Description
      region name: Southern Greece
Origin:
    Date                   2025-12-20
    Time                  22:33:27.62
    Latitude              37.7945 deg  +/-      1 km
    Longitude             23.8853 deg  +/-      1 km
    Depth                       7 km   +/-    2 km
    Agency                 HA
    Author                 A. Karakonstantis
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.42 s
    Azimuthal gap             180 deg

2 Network magnitudes:
    MLv       1.54 +/- 0.17  12            
    M         1.54           12 preferred  

32 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    VLY   HL    0.1 309  P       22:33:29.74  -0.3 M  1.0  VLY  
    VLY   HL    0.1 309  S       22:33:31.53  -0.3 M  1.0  VLY  
    ATHU  HA    0.2 335  P       22:33:31.68  -0.1 M  1.0  ATHU 
    ATHU  HA    0.2 335  S       22:33:34.61  -0.4 M  1.0  ATHU 
    ALIO  HA    0.3 328  P       22:33:34.32   0.1 M  1.0  ALIO 
    ALIO  HA    0.3 328  S       22:33:38.74  -0.4 M  1.0  ALIO 
    MRTH  HA    0.3   8  P       22:33:34.81   0.4 M  1.0  MRTH 
    MRTH  HA    0.3   8  S       22:33:39.16  -0.4 M  1.0  MRTH 
    MDRA  HA    0.4 309  P       22:33:36.03  -0.1 M  1.0  MDRA 
    MDRA  HA    0.4 309  S       22:33:42.12  -0.5 M  1.0  MDRA 
    MET1  HL    0.5 241  P       22:33:36.25  -0.3 M  1.0  MET1 
    MET1  HL    0.5 241  S       22:33:43.31  -0.1 M  1.0  MET1 
    KARY  HA    0.5  61  P       22:33:37.90   0.5 M  1.0  KARY 
    KARY  HA    0.5  61  S       22:33:44.27  -0.6 M  1.0  KARY 
    VILL  HA    0.6 309  P       22:33:39.49   0.4 M  1.0  VILL 
    VILL  HA    0.6 309  S       22:33:47.40  -0.4 M  1.0  VILL 
    ERTR  HA    0.6 353  P       22:33:40.12   0.5 M  1.0  ERTR 
    ERTR  HA    0.6 353  S       22:33:48.87   0.2 M  1.0  ERTR 
    EPID  HA    0.6 254  P       22:33:40.03   0.1 M  1.0  EPID 
    EPID  HA    0.6 254  S       22:33:49.28  -0.1 M  1.0  EPID 
    AMPE  HA    0.7 316  P       22:33:41.75   0.6 M  1.0  AMPE 
    AMPE  HA    0.7 316  S       22:33:51.42  -0.1 M  1.0  AMPE 
    GR26  1Y    0.7 328  P       22:33:41.72   0.3 M  1.0  GR26 
    GR26  1Y    0.7 328  S       22:33:51.90   0.0 M  1.0  GR26 
    LTK   HP    0.8 287  P       22:33:43.11   0.8 M  1.0  LTK  
    LTK   HP    0.8 287  S       22:33:53.23  -0.2 M  1.0  LTK  
    ACOR  HA    0.8 277  P       22:33:43.94   0.8 M  1.0  ACOR 
    ACOR  HA    0.8 277  S       22:33:54.74  -0.2 M  1.0  ACOR 
    MRKA  HA    0.9 345  P       22:33:46.18   0.8 M  1.0  MRKA 
    MRKA  HA    0.9 345  S       22:33:59.48   0.6 M  1.0  MRKA 
    PRDM  HA    1.0 301  P       22:33:46.58   0.9 M  1.0  PRDM 
    PRDM  HA    1.0 301  S       22:33:59.42   0.0 M  1.0  PRDM 

16 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    VLY   HL    0.1 309  MLv     1.56  0.02    1.59289      
    ATHU  HA    0.2 335  MLv     0.99 -0.55   0.140774      
    ALIO  HA    0.3 328  MLv     1.16 -0.38   0.149559      
    MRTH  HA    0.3   8  MLv     1.24 -0.30   0.164677      
    MDRA  HA    0.4 309  MLv     1.34 -0.19   0.116146      
    MET1  HL    0.5 241  MLv     1.42 -0.11   0.118247      
    KARY  HA    0.5  61  MLv     1.74  0.20   0.182767      
    VILL  HA    0.6 309  MLv     1.49 -0.05   0.0732906      
    ERTR  HA    0.6 353  MLv     1.57  0.04   0.0849781      
    EPID  HA    0.6 254  MLv     1.62  0.08   0.0924316      
    AMPE  HA    0.7 316  MLv     1.78  0.24     0.1227      
    GR26  1Y    0.7 328  MLv     1.63  0.09   0.0852228      
    LTK   HP    0.8 287  MLv     1.34 -0.20   0.157744      
    ACOR  HA    0.8 277  MLv     1.77  0.23   0.104955      
    MRKA  HA    0.9 345  MLv     1.94  0.41    0.13185      
    PRDM  HA    1.0 301  MLv     1.72  0.18   0.0779245