Earthquake Information
 Origin Time
2026-10-23 08:39:10 (GMT)
 Magnitude
M 1.8
 Latitude
38.6983° N
 Longitude
23.4173° E
 Focal Depth
7 km
 # of Arrivals
34
 Location 30.5 km NNW of Chalkida
36.7 km E of Atalanti
84.1 km NNW of Athens
 Solution type
manual
 Files / Links
QuakeML  GSE2.0  Alert  .phi  
  

  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
MRKAHA14.7 87 P08:39:12.80 -0.41.0M
MRKAHA14.7 87 S08:39:14.76 -0.81.0M
GR231Y20.4306 P08:39:14.42 0.31.0M
GR231Y20.4306 S08:39:17.14 -0.11.0M
PSAHHA24.6126 P08:39:14.76 0.01.0M
PSAHHA24.6126 S08:39:18.26 -0.21.0M
SAGMAHL33.2181 P08:39:16.22 -0.11.0M
SAGMAHL33.2181 S08:39:20.70 -0.41.0M
ATALHA34.4269 P08:39:16.57 0.11.0M
ATALHA34.4269 S08:39:21.09 -0.21.0M
LKRHL36.7262 P08:39:16.84 0.01.0M
LKRHL36.7262 S08:39:21.86 -0.11.0M
ERTRHA45.6135 P08:39:18.25 0.01.0M
ERTRHA45.6135 S08:39:24.07 -0.41.0M
VILLHA60.1189 P08:39:20.45 -0.21.0M
VILLHA60.1189 S08:39:28.37 -0.41.0M
AOS2HT62.1 37 P08:39:20.77 -0.21.0M
AOS2HT62.1 37 S08:39:28.75 -0.51.0M
DOMVHA62.1218 P08:39:21.13 0.21.0M
DOMVHA62.1218 S08:39:28.89 -0.41.0M
MRTHHA78.6144 P08:39:24.04 0.41.0M
MRTHHA78.6144 S08:39:33.87 -0.11.0M
PTLHL82.2152 P08:39:24.81 0.61.0M
PTLHL82.2152 S08:39:34.87 -0.21.0M
LTKHP84.7208 P08:39:24.95 0.31.0M
LTKHP84.7208 S08:39:35.58 -0.31.0M
ELEOHA90.0126 P08:39:25.46 -0.11.0M
ELEOHA90.0126 S08:39:37.31 0.01.0M
SKYROHL100.2 77 P08:39:27.78 0.61.0M
SKYROHL100.2 77 S08:39:40.43 0.31.0M
KARYHA115.7130 P08:39:30.26 0.71.0M
KARYHA115.7130 S08:39:44.89 0.41.0M
GURHP126.4228 P08:39:32.25 0.91.0M
GURHP126.4228 S08:39:47.97 0.31.0M


  Solution details

Event:
    Public ID              nkua2026utqn
    Description
      region name: Greece
Origin:
    Date                   2026-10-23
    Time                  08:39:10.02
    Latitude              38.6983 deg  +/-      0 km
    Longitude             23.4173 deg  +/-      0 km
    Depth                       7 km   +/-    1 km
    Agency                 HA
    Author                 A. Karakonstantis
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.34 s
    Azimuthal gap              90 deg

2 Network magnitudes:
    MLv       1.83 +/- 0.17  13            
    M         1.83           13 preferred  

34 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    MRKA  HA    0.1  87  P       08:39:12.80  -0.4 M  1.0  MRKA 
    MRKA  HA    0.1  87  S       08:39:14.76  -0.8 M  1.0  MRKA 
    GR23  1Y    0.2 306  P       08:39:14.42   0.3 M  1.0  GR23 
    GR23  1Y    0.2 306  S       08:39:17.14  -0.1 M  1.0  GR23 
    PSAH  HA    0.2 126  P       08:39:14.76  -0.0 M  1.0  PSAH 
    PSAH  HA    0.2 126  S       08:39:18.26  -0.2 M  1.0  PSAH 
    SAGMA HL    0.3 181  P       08:39:16.22  -0.1 M  1.0  SAGMA
    SAGMA HL    0.3 181  S       08:39:20.70  -0.4 M  1.0  SAGMA
    ATAL  HA    0.3 269  P       08:39:16.57   0.1 M  1.0  ATAL 
    ATAL  HA    0.3 269  S       08:39:21.09  -0.2 M  1.0  ATAL 
    LKR   HL    0.3 262  P       08:39:16.84   0.0 M  1.0  LKR  
    LKR   HL    0.3 262  S       08:39:21.86  -0.1 M  1.0  LKR  
    ERTR  HA    0.4 135  P       08:39:18.25   0.0 M  1.0  ERTR 
    ERTR  HA    0.4 135  S       08:39:24.07  -0.4 M  1.0  ERTR 
    VILL  HA    0.5 189  P       08:39:20.45  -0.2 M  1.0  VILL 
    VILL  HA    0.5 189  S       08:39:28.37  -0.4 M  1.0  VILL 
    AOS2  HT    0.6  37  P       08:39:20.77  -0.2 M  1.0  AOS2 
    AOS2  HT    0.6  37  S       08:39:28.75  -0.5 M  1.0  AOS2 
    DOMV  HA    0.6 218  P       08:39:21.13   0.2 M  1.0  DOMV 
    DOMV  HA    0.6 218  S       08:39:28.89  -0.4 M  1.0  DOMV 
    MRTH  HA    0.7 144  P       08:39:24.04   0.4 M  1.0  MRTH 
    MRTH  HA    0.7 144  S       08:39:33.87  -0.1 M  1.0  MRTH 
    PTL   HL    0.7 152  P       08:39:24.81   0.6 M  1.0  PTL  
    PTL   HL    0.7 152  S       08:39:34.87  -0.2 M  1.0  PTL  
    LTK   HP    0.8 208  P       08:39:24.95   0.3 M  1.0  LTK  
    LTK   HP    0.8 208  S       08:39:35.58  -0.3 M  1.0  LTK  
    ELEO  HA    0.8 126  P       08:39:25.46  -0.1 M  1.0  ELEO 
    ELEO  HA    0.8 126  S       08:39:37.31   0.0 M  1.0  ELEO 
    SKYRO HL    0.9  77  P       08:39:27.78   0.6 M  1.0  SKYRO
    SKYRO HL    0.9  77  S       08:39:40.43   0.3 M  1.0  SKYRO
    KARY  HA    1.0 130  P       08:39:30.26   0.7 M  1.0  KARY 
    KARY  HA    1.0 130  S       08:39:44.89   0.4 M  1.0  KARY 
    GUR   HP    1.1 228  P       08:39:32.25   0.9 M  1.0  GUR  
    GUR   HP    1.1 228  S       08:39:47.97   0.3 M  1.0  GUR  

17 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    MRKA  HA    0.1  87  MLv     1.81 -0.02    2.20344      
    GR23  1Y    0.2 306  MLv     1.70 -0.13      1.235      
    PSAH  HA    0.2 126  MLv     1.68 -0.15   0.920509      
    SAGMA HL    0.3 181  MLv     1.42 -0.41   0.307427      
    ATAL  HA    0.3 269  MLv     1.60 -0.24   0.434347      
    LKR   HL    0.3 262  MLv     1.97  0.14   0.480516      
    ERTR  HA    0.4 135  MLv     1.47 -0.36   0.170096      
    VILL  HA    0.5 189  MLv     1.82 -0.01   0.167291      
    AOS2  HT    0.6  37  MLv     1.82 -0.02   0.161131      
    DOMV  HA    0.6 218  MLv     2.28  0.45   0.466763      
    MRTH  HA    0.7 144  MLv     2.04  0.21   0.222256      
    PTL   HL    0.7 152  MLv     1.96  0.13   0.179886      
    LTK   HP    0.8 208  MLv     1.41 -0.42   0.186127      
    ELEO  HA    0.8 126  MLv     1.99  0.16   0.175463      
    SKYRO HL    0.9  77  MLv     2.18  0.35   0.241387      
    KARY  HA    1.0 130  MLv     2.01  0.18   0.134879      
    GUR   HP    1.1 228  MLv     1.94  0.10   0.101119