Earthquake Information
 Origin Time
 2026-06-20 19:57:19 (GMT)
 Magnitude
 M 1.8
 Latitude
 38.6960° N
 Longitude
 23.4039° E
 Focal Depth
 10 km
 # of Arrivals
 20
 Location 30.9 km NNW of Chalkida
35.5 km E of Atalanti
84.3 km NNW of Athens
 Solution type
 automatic
 Files / Links
 QuakeML  GSE2.0  Alert  .phi  
  

  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
MRKAHA15.9 86 P19:57:22.37 -0.71.0A
GR231Y19.6309 P19:57:23.24 -0.51.0A
PSAHHA25.4124 P19:57:24.13 -0.51.0A
SAGMAHL32.9179 P19:57:24.85 -0.91.0A
ATALHA33.2269 P19:57:24.83 -1.01.0A
LKRHL35.5262 P19:57:25.10 -1.11.0A
AMPEHA45.4195 P19:57:27.15 -0.61.0A
ERTRHA46.3134 P19:57:27.44 -0.41.0A
VILLHA59.7188 P19:57:29.02 -0.91.0A
DOMVHA61.2217 P19:57:30.59 0.41.0A
AOS2HT63.0 37 P19:57:30.54 0.11.0A
AXARHA65.1277 P19:57:32.17 1.31.0A
PRDMHA67.0227 P19:57:30.25 -0.91.0A
MDRAHA70.9176 P19:57:32.77 1.11.0A
MRTHHA79.1144 P19:57:34.54 1.51.0A
DSFHP82.6248 P19:57:33.76 0.21.0A
LTKHP84.0207 P19:57:35.18 1.41.0A
AGGHT99.3292 P19:57:36.92 0.71.0A
VLYHL99.8160 P19:57:36.47 0.31.0A
OURHT188.8 15 P19:57:48.74 0.41.0A


  Solution details 

Event:
    Public ID              nkua2026mada
    Description
      region name: Greece
Origin:
    Date                   2026-06-20
    Time                  19:57:18.91  +/-    0.3 s
    Latitude              38.6960 deg  +/-      2 km
    Longitude             23.4039 deg  +/-      2 km
    Depth                      10 km
    Agency                 HA
    Mode                   automatic
    Status                 NOT SET
    Residual RMS             0.85 s
    Azimuthal gap              66 deg

2 Network magnitudes:
    MLv       1.84 +/- 0.28  16            
    M         1.84           16 preferred  

20 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    MRKA  HA    0.1  86  P       19:57:22.37  -0.7 A  1.0  MRKA 
    GR23  1Y    0.2 309  P       19:57:23.24  -0.5 A  1.0  GR23 
    PSAH  HA    0.2 124  P       19:57:24.13  -0.5 A  1.0  PSAH 
    SAGMA HL    0.3 179  P       19:57:24.85  -0.9 A  1.0  SAGMA
    ATAL  HA    0.3 269  P       19:57:24.83  -1.0 A  1.0  ATAL 
    LKR   HL    0.3 262  P       19:57:25.10  -1.1 A  1.0  LKR  
    AMPE  HA    0.4 195  P       19:57:27.15  -0.6 A  1.0  AMPE 
    ERTR  HA    0.4 134  P       19:57:27.44  -0.4 A  1.0  ERTR 
    VILL  HA    0.5 188  P       19:57:29.02  -0.9 A  1.0  VILL 
    DOMV  HA    0.6 217  P       19:57:30.59   0.4 A  1.0  DOMV 
    AOS2  HT    0.6  37  P       19:57:30.54   0.1 A  1.0  AOS2 
    AXAR  HA    0.6 277  P       19:57:32.17   1.3 A  1.0  AXAR 
    PRDM  HA    0.6 227  P       19:57:30.25  -0.9 A  1.0  PRDM 
    MDRA  HA    0.6 176  P       19:57:32.77   1.1 A  1.0  MDRA 
    MRTH  HA    0.7 144  P       19:57:34.54   1.5 A  1.0  MRTH 
    DSF   HP    0.7 248  P       19:57:33.76   0.2 A  1.0  DSF  
    LTK   HP    0.8 207  P       19:57:35.18   1.4 A  1.0  LTK  
    AGG   HT    0.9 292  P       19:57:36.92   0.7 A  1.0  AGG  
    VLY   HL    0.9 160  P       19:57:36.47   0.3 A  1.0  VLY  
    OUR   HT    1.7  15  P       19:57:48.74   0.4 A  1.0  OUR  

20 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    MRKA  HA    0.1  86  MLv     1.56 -0.28     1.1579      
    GR23  1Y    0.2 309  MLv     1.78 -0.06    1.53824      
    PSAH  HA    0.2 124  MLv     1.40 -0.44   0.459742      
    SAGMA HL    0.3 179  MLv     1.15 -0.69   0.168374      
    ATAL  HA    0.3 269  MLv     1.91  0.07   0.955713      
    LKR   HL    0.3 262  MLv     1.83 -0.01   0.372999      
    AMPE  HA    0.4 195  MLv     1.97  0.13   0.548025      
    ERTR  HA    0.4 134  MLv     1.45 -0.39    0.15482      
    VILL  HA    0.5 188  MLv     2.13  0.29   0.346833      
    DOMV  HA    0.6 217  MLv     2.46  0.63   0.721226      
    AOS2  HT    0.6  37  MLv     1.89  0.06    0.19023      
    AXAR  HA    0.6 277  MLv     1.34 -0.50   0.204675      
    PRDM  HA    0.6 227  MLv     1.86  0.02   0.167717      
    MDRA  HA    0.6 176  MLv     2.35  0.51   0.495977      
    MRTH  HA    0.7 144  MLv     2.30  0.46   0.405074      
    DSF   HP    0.7 248  MLv     2.01  0.17   0.196339      
    LTK   HP    0.8 207  MLv     1.42 -0.42   0.189824      
    AGG   HT    0.9 292  MLv     1.56 -0.28   0.0453788      
    VLY   HL    0.9 160  MLv     2.23  0.39   0.269666      
    OUR   HT    1.7  15  MLv     2.13  0.29   0.0778331