Earthquake Information
 Origin Time
 2026-06-20 20:24:37 (GMT)
 Magnitude
 M 1.8
 Latitude
 38.6978° N
 Longitude
 23.4029° E
 Focal Depth
 2 km
 # of Arrivals
 23
 Location 31.1 km NNW of Chalkida
35.4 km E of Atalanti
84.5 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 87 P20:24:39.46 -0.21.0A
GR231Y19.4309 P20:24:40.33 0.11.0A
PSAHHA25.6124 P20:24:41.16 -0.11.0A
SAGMAHL33.1179 P20:24:41.91 -0.61.0A
ATALHA33.1269 P20:24:41.94 -0.61.0A
LKRHL35.5261 P20:24:42.18 -0.81.0A
THIVHA44.8188 P20:24:45.26 0.81.0A
AMPEHA45.6195 P20:24:44.19 -0.41.0A
ERTRHA46.5134 P20:24:44.50 -0.31.0A
VILLHA59.9188 P20:24:46.12 -0.91.0A
DOMVHA61.3217 P20:24:47.18 -0.11.0A
AOS2HT62.9 37 P20:24:47.65 0.11.0A
AXARHA65.0277 P20:24:49.09 1.21.0A
PRDMHA67.0226 P20:24:47.14 -1.11.0A
MDRAHA71.1176 P20:24:49.78 0.91.0A
MRTHHA79.3144 P20:24:51.28 1.01.0A
DSFHP82.6248 P20:24:49.79 -1.11.0A
LTKHP84.1207 P20:24:52.33 1.21.0A
AGGHT99.1292 P20:24:54.31 0.61.0A
VLYHL100.0160 P20:24:53.55 -0.21.0A
GR241Y104.9270 P20:24:55.00 0.31.0A
ANXHP129.2265 P20:24:59.03 0.71.0A
OURHT188.6 15 P20:25:05.88 -0.71.0A


  Solution details 

Event:
    Public ID              nkua2026madx
    Description
      region name: Greece
Origin:
    Date                   2026-06-20
    Time                  20:24:36.50  +/-    0.3 s
    Latitude              38.6978 deg  +/-      2 km
    Longitude             23.4029 deg  +/-      2 km
    Depth                       2 km
    Agency                 HA
    Mode                   automatic
    Status                 NOT SET
    Residual RMS             0.71 s
    Azimuthal gap              66 deg

2 Network magnitudes:
    MLv       1.80 +/- 0.24  17            
    M         1.80           17 preferred  

23 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    MRKA  HA    0.1  87  P       20:24:39.46  -0.2 A  1.0  MRKA 
    GR23  1Y    0.2 309  P       20:24:40.33   0.1 A  1.0  GR23 
    PSAH  HA    0.2 124  P       20:24:41.16  -0.1 A  1.0  PSAH 
    SAGMA HL    0.3 179  P       20:24:41.91  -0.6 A  1.0  SAGMA
    ATAL  HA    0.3 269  P       20:24:41.94  -0.6 A  1.0  ATAL 
    LKR   HL    0.3 261  P       20:24:42.18  -0.8 A  1.0  LKR  
    THIV  HA    0.4 188  P       20:24:45.26   0.8 A  1.0  THIV 
    AMPE  HA    0.4 195  P       20:24:44.19  -0.4 A  1.0  AMPE 
    ERTR  HA    0.4 134  P       20:24:44.50  -0.3 A  1.0  ERTR 
    VILL  HA    0.5 188  P       20:24:46.12  -0.9 A  1.0  VILL 
    DOMV  HA    0.6 217  P       20:24:47.18  -0.1 A  1.0  DOMV 
    AOS2  HT    0.6  37  P       20:24:47.65   0.1 A  1.0  AOS2 
    AXAR  HA    0.6 277  P       20:24:49.09   1.2 A  1.0  AXAR 
    PRDM  HA    0.6 226  P       20:24:47.14  -1.1 A  1.0  PRDM 
    MDRA  HA    0.6 176  P       20:24:49.78   0.9 A  1.0  MDRA 
    MRTH  HA    0.7 144  P       20:24:51.28   1.0 A  1.0  MRTH 
    DSF   HP    0.7 248  P       20:24:49.79  -1.1 A  1.0  DSF  
    LTK   HP    0.8 207  P       20:24:52.33   1.2 A  1.0  LTK  
    AGG   HT    0.9 292  P       20:24:54.31   0.6 A  1.0  AGG  
    VLY   HL    0.9 160  P       20:24:53.55  -0.2 A  1.0  VLY  
    GR24  1Y    0.9 270  P       20:24:55.00   0.3 A  1.0  GR24 
    ANX   HP    1.2 265  P       20:24:59.03   0.7 A  1.0  ANX  
    OUR   HT    1.7  15  P       20:25:05.88  -0.7 A  1.0  OUR  

21 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    MRKA  HA    0.1  87  MLv     1.63 -0.18    1.34081      
    GR23  1Y    0.2 309  MLv     1.77 -0.03      1.524      
    PSAH  HA    0.2 124  MLv     1.47 -0.33   0.536268      
    SAGMA HL    0.3 179  MLv     1.12 -0.68   0.155392      
    ATAL  HA    0.3 269  MLv     1.93  0.12   0.994859      
    LKR   HL    0.3 261  MLv     1.82  0.02   0.366912      
    THIV  HA    0.4 188  MLv     2.10  0.30   0.757156      
    AMPE  HA    0.4 195  MLv     1.97  0.17   0.539792      
    ERTR  HA    0.4 134  MLv     1.43 -0.37   0.147119      
    VILL  HA    0.5 188  MLv     2.11  0.30    0.32526      
    DOMV  HA    0.6 217  MLv     2.48  0.68   0.748595      
    AOS2  HT    0.6  37  MLv     1.92  0.12   0.202294      
    AXAR  HA    0.6 277  MLv     1.37 -0.43   0.221012      
    PRDM  HA    0.6 226  MLv     1.88  0.08   0.177144      
    MDRA  HA    0.6 176  MLv     2.27  0.47    0.41646      
    MRTH  HA    0.7 144  MLv     2.14  0.34   0.277229      
    DSF   HP    0.7 248  MLv     1.81  0.01   0.126131      
    LTK   HP    0.8 207  MLv     1.47 -0.33   0.213314      
    AGG   HT    0.9 292  MLv     1.59 -0.21   0.0487532      
    VLY   HL    0.9 160  MLv     2.10  0.30   0.198637      
    GR24  1Y    0.9 270  MLv     1.49 -0.31   0.0466615