Earthquake Information
 Origin Time
 2026-07-31 05:15:25 (GMT)
 Magnitude
 M 1.4
 Latitude
 38.7180° N
 Longitude
 23.4410° E
 Focal Depth
 7 km
 # of Arrivals
 14
 Location 31.5 km NNW of Chalkida
39.1 km E of Atalanti
85.6 km NNW of Athens
 Solution type
 manual
 Files / Links
 QuakeML  GSE2.0  Alert  .phi  
  

  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
MRKAHA12.7 97 P05:15:27.90 0.11.0M
MRKAHA12.7 97 S05:15:29.91 -0.11.0M
GR231Y20.9298 P05:15:29.21 0.11.0M
GR231Y20.9298 S05:15:32.24 -0.11.0M
PSAHHA24.4133 P05:15:29.96 0.31.0M
PSAHHA24.4133 S05:15:33.75 0.51.0M
SAGMAHL35.5184 P05:15:31.56 0.01.0M
SAGMAHL35.5184 S05:15:36.56 -0.11.0M
ATALHA36.5266 P05:15:31.72 0.01.0M
ATALHA36.5266 S05:15:36.87 0.01.0M
ERTRHA45.8139 P05:15:33.45 0.21.0M
ERTRHA45.8139 S05:15:39.34 -0.11.0M
AOS2HT59.1 36 P05:15:35.55 0.11.0M
AOS2HT59.1 36 S05:15:43.20 -0.11.0M


  Solution details 

Event:
    Public ID              nkua2026ovxo
    Description
      region name: Greece
Origin:
    Date                   2026-07-31
    Time                  05:15:25.00
    Latitude              38.7180 deg  +/-      0 km
    Longitude             23.4410 deg  +/-      0 km
    Depth                       7 km   +/-    4 km
    Agency                 HA
    Author                 A. Karakonstantis
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.12 s
    Azimuthal gap              98 deg

2 Network magnitudes:
    MLv       1.44 +/- 0.17   7            
    M         1.44            7 preferred  

14 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    MRKA  HA    0.1  97  P       05:15:27.90   0.1 M  1.0  MRKA 
    MRKA  HA    0.1  97  S       05:15:29.91  -0.1 M  1.0  MRKA 
    GR23  1Y    0.2 298  P       05:15:29.21   0.1 M  1.0  GR23 
    GR23  1Y    0.2 298  S       05:15:32.24  -0.1 M  1.0  GR23 
    PSAH  HA    0.2 133  P       05:15:29.96   0.3 M  1.0  PSAH 
    PSAH  HA    0.2 133  S       05:15:33.75   0.5 M  1.0  PSAH 
    SAGMA HL    0.3 184  P       05:15:31.56  -0.0 M  1.0  SAGMA
    SAGMA HL    0.3 184  S       05:15:36.56  -0.1 M  1.0  SAGMA
    ATAL  HA    0.3 266  P       05:15:31.72  -0.0 M  1.0  ATAL 
    ATAL  HA    0.3 266  S       05:15:36.87   0.0 M  1.0  ATAL 
    ERTR  HA    0.4 139  P       05:15:33.45   0.2 M  1.0  ERTR 
    ERTR  HA    0.4 139  S       05:15:39.34  -0.1 M  1.0  ERTR 
    AOS2  HT    0.5  36  P       05:15:35.55   0.1 M  1.0  AOS2 
    AOS2  HT    0.5  36  S       05:15:43.20  -0.1 M  1.0  AOS2 

7 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    MRKA  HA    0.1  97  MLv     1.41 -0.02   0.993871      
    GR23  1Y    0.2 298  MLv     1.35 -0.09   0.532802      
    PSAH  HA    0.2 133  MLv     1.39 -0.04   0.483159      
    SAGMA HL    0.3 184  MLv     1.20 -0.24   0.162979      
    ATAL  HA    0.3 266  MLv     1.34 -0.09   0.214738      
    ERTR  HA    0.4 139  MLv     1.63  0.19   0.240815      
    AOS2  HT    0.5  36  MLv     2.14  0.70   0.361243