Earthquake Information
 Origin Time
 2026-07-31 11:45:53 (GMT)
 Magnitude
 M 1.8
 Latitude
 38.7072° N
 Longitude
 23.3553° E
 Focal Depth
 9 km
 # of Arrivals
 20
 Location 31.5 km ENE of Atalanti
34.4 km NW of Chalkida
87.0 km NNW of Athens
 Solution type
 manual
 Files / Links
 QuakeML  GSE2.0  Alert  .phi  
  

  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
GR231Y15.6315 P11:45:56.60 -0.11.0M
GR231Y15.6315 S11:45:59.30 0.11.0M
MRKAHA20.0 91 P11:45:56.97 -0.51.0M
MRKAHA20.0 91 S11:46:00.14 -0.41.0M
ATALHA29.0267 P11:45:58.78 -0.11.0M
ATALHA29.0267 S11:46:02.65 -0.41.0M
PSAHHA29.6121 P11:45:59.06 0.11.0M
PSAHHA29.6121 S11:46:03.38 0.21.0M
ERTRHA50.2132 P11:46:02.38 0.11.0M
ERTRHA50.2132 S11:46:09.06 -0.11.0M
DOMVHA59.8213 P11:46:03.89 0.01.0M
DOMVHA59.8213 S11:46:11.80 -0.11.0M
VILLHA60.5184 P11:46:04.06 0.01.0M
VILLHA60.5184 S11:46:12.35 0.21.0M
AXARHA60.8276 P11:46:04.29 0.21.0M
AXARHA60.8276 S11:46:12.31 0.11.0M
AOS2HT64.7 41 P11:46:04.86 0.21.0M
AOS2HT64.7 41 S11:46:13.19 -0.11.0M
DSFHP79.2246 P11:46:06.74 -0.31.0M
DSFHP79.2246 S11:46:17.48 -0.11.0M


  Solution details 

Event:
    Public ID              nkua2026owkl
    Description
      region name: Greece
Origin:
    Date                   2026-07-31
    Time                  11:45:53.34
    Latitude              38.7072 deg  +/-      0 km
    Longitude             23.3553 deg  +/-      0 km
    Depth                       9 km   +/-    2 km
    Agency                 HA
    Author                 A. Karakonstantis
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.18 s
    Azimuthal gap              86 deg

2 Network magnitudes:
    MLv       1.85 +/- 0.25   8            
    M         1.85            8 preferred  

20 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    GR23  1Y    0.1 315  P       11:45:56.60  -0.1 M  1.0  GR23 
    GR23  1Y    0.1 315  S       11:45:59.30   0.1 M  1.0  GR23 
    MRKA  HA    0.2  91  P       11:45:56.97  -0.5 M  1.0  MRKA 
    MRKA  HA    0.2  91  S       11:46:00.14  -0.4 M  1.0  MRKA 
    ATAL  HA    0.3 267  P       11:45:58.78  -0.1 M  1.0  ATAL 
    ATAL  HA    0.3 267  S       11:46:02.65  -0.4 M  1.0  ATAL 
    PSAH  HA    0.3 121  P       11:45:59.06   0.1 M  1.0  PSAH 
    PSAH  HA    0.3 121  S       11:46:03.38   0.2 M  1.0  PSAH 
    ERTR  HA    0.5 132  P       11:46:02.38   0.1 M  1.0  ERTR 
    ERTR  HA    0.5 132  S       11:46:09.06  -0.1 M  1.0  ERTR 
    DOMV  HA    0.5 213  P       11:46:03.89   0.0 M  1.0  DOMV 
    DOMV  HA    0.5 213  S       11:46:11.80  -0.1 M  1.0  DOMV 
    VILL  HA    0.5 184  P       11:46:04.06   0.0 M  1.0  VILL 
    VILL  HA    0.5 184  S       11:46:12.35   0.2 M  1.0  VILL 
    AXAR  HA    0.5 276  P       11:46:04.29   0.2 M  1.0  AXAR 
    AXAR  HA    0.5 276  S       11:46:12.31   0.1 M  1.0  AXAR 
    AOS2  HT    0.6  41  P       11:46:04.86   0.2 M  1.0  AOS2 
    AOS2  HT    0.6  41  S       11:46:13.19  -0.1 M  1.0  AOS2 
    DSF   HP    0.7 246  P       11:46:06.74  -0.3 M  1.0  DSF  
    DSF   HP    0.7 246  S       11:46:17.48  -0.1 M  1.0  DSF  

10 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    GR23  1Y    0.1 315  MLv     1.66 -0.19    1.49196      
    MRKA  HA    0.2  91  MLv     1.79 -0.06    1.55451      
    ATAL  HA    0.3 267  MLv     1.43 -0.42   0.400826      
    PSAH  HA    0.3 121  MLv     1.74 -0.11   0.802606      
    ERTR  HA    0.5 132  MLv     1.79 -0.06   0.270915      
    DOMV  HA    0.5 213  MLv     2.25  0.40   0.457534      
    VILL  HA    0.5 184  MLv     2.06  0.21   0.288215      
    AXAR  HA    0.5 276  MLv     1.43 -0.42   0.269429      
    AOS2  HT    0.6  41  MLv     2.26  0.41     0.4359      
    DSF   HP    0.7 246  MLv     2.07  0.22   0.234969