Earthquake Information
 Origin Time
 2026-07-27 11:43:58 (GMT)
 Magnitude
 M 1.1
 Latitude
 38.6692° N
 Longitude
 23.3952° E
 Focal Depth
 6 km
 # of Arrivals
 10
 Location 28.9 km NW of Chalkida
34.4 km E of Atalanti
81.8 km NNW of Athens
 Solution type
 manual
 Files / Links
 QuakeML  GSE2.0  Alert  .phi  
  

  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
MRKAHA17.0 77 P11:44:01.57 -0.11.0M
MRKAHA17.0 77 S11:44:04.19 -0.21.0M
GR231Y21.1317 P11:44:02.47 0.11.0M
GR231Y21.1317 S11:44:05.61 0.11.0M
PSAHHA24.6117 P11:44:03.50 0.51.0M
PSAHHA24.6117 S11:44:07.01 0.41.0M
SAGMAHL30.0177 P11:44:04.09 0.11.0M
SAGMAHL30.0177 S11:44:08.02 -0.31.0M
ATALHA32.6275 P11:44:04.55 0.21.0M
ATALHA32.6275 S11:44:08.73 -0.31.0M


  Solution details 

Event:
    Public ID              nkua2026opcj
    Description
      region name: Greece
Origin:
    Date                   2026-07-27
    Time                  11:43:58.18
    Latitude              38.6692 deg  +/-      1 km
    Longitude             23.3952 deg  +/-      1 km
    Depth                       6 km   +/-    3 km
    Agency                 HA
    Author                 A. Karakonstantis
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.24 s
    Azimuthal gap             120 deg

2 Network magnitudes:
    MLv       1.05 +/- 0.18   5            
    M         1.05            5 preferred  

10 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    MRKA  HA    0.2  77  P       11:44:01.57  -0.1 M  1.0  MRKA 
    MRKA  HA    0.2  77  S       11:44:04.19  -0.2 M  1.0  MRKA 
    GR23  1Y    0.2 317  P       11:44:02.47   0.1 M  1.0  GR23 
    GR23  1Y    0.2 317  S       11:44:05.61   0.1 M  1.0  GR23 
    PSAH  HA    0.2 117  P       11:44:03.50   0.5 M  1.0  PSAH 
    PSAH  HA    0.2 117  S       11:44:07.01   0.4 M  1.0  PSAH 
    SAGMA HL    0.3 177  P       11:44:04.09   0.1 M  1.0  SAGMA
    SAGMA HL    0.3 177  S       11:44:08.02  -0.3 M  1.0  SAGMA
    ATAL  HA    0.3 275  P       11:44:04.55   0.2 M  1.0  ATAL 
    ATAL  HA    0.3 275  S       11:44:08.73  -0.3 M  1.0  ATAL 

5 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    MRKA  HA    0.2  77  MLv     1.13  0.08   0.404454      
    GR23  1Y    0.2 317  MLv     1.16  0.10   0.338621      
    PSAH  HA    0.2 117  MLv     0.90 -0.15   0.154806      
    SAGMA HL    0.3 177  MLv     0.76 -0.29   0.0823871      
    ATAL  HA    0.3 275  MLv     1.26  0.20   0.220011