Earthquake Information
 Origin Time
2026-09-20 21:40:37 (GMT)
 Magnitude
M 1.8
 Latitude
38.7584° N
 Longitude
23.3764° E
 Focal Depth
2 km
 # of Arrivals
25
 Location 34.8 km ENE of Atalanti
38.1 km NNW of Chalkida
91.6 km NNW of Athens
 Solution type
automatic
 Files / Links
QuakeML  GSE2.0  Alert  .phi  
  

  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
GR231Y13.9293 P21:40:40.21 0.31.0A
MRKAHA19.2108 P21:40:39.94 -0.91.0A
PSAHHA31.5132 P21:40:42.22 -0.71.0A
ATALHA31.7257 P21:40:42.45 -0.51.0A
LKRHL34.9250 P21:40:43.00 -0.41.0A
SAGMAHL40.0176 P21:40:43.49 -0.81.0A
ACHLHT45.6308 P21:40:45.35 0.11.0A
THIVHA51.2184 P21:40:46.34 0.21.0A
ERTRHA52.9138 P21:40:46.16 -0.31.0A
AOS2HT59.2 43 P21:40:47.76 0.21.0A
AXARHA62.2271 P21:40:49.06 1.01.0A
DOMVHA65.6212 P21:40:47.85 -0.71.0A
VILLHA66.3185 P21:40:47.40 -1.31.0A
PRDMHA70.3221 P21:40:48.70 -0.71.0A
MDRAHA78.0174 P21:40:52.55 1.91.0A
LAM2HI83.4281 P21:40:51.93 0.31.0A
MRTHHA86.1145 P21:40:53.74 1.71.0A
LTKHP89.2204 P21:40:52.07 -0.51.0A
PTLHL89.8152 P21:40:53.89 1.21.0A
GR241Y102.8266 P21:40:55.13 0.21.0A
VLYHL107.1160 P21:40:55.31 -0.31.0A
GURHP128.4225 P21:40:59.48 0.71.0A
KLVHL133.1234 P21:41:00.27 0.71.0A
OURHT182.7 16 P21:41:05.94 -0.51.0A
ITHCHT240.7263 P21:41:13.31 -0.91.0A


  Solution details

Event:
    Public ID              nkua2026smis
    Description
      region name: Greece
Origin:
    Date                   2026-09-20
    Time                  21:40:37.12  +/-    0.3 s
    Latitude              38.7584 deg  +/-      2 km
    Longitude             23.3764 deg  +/-      2 km
    Depth                       2 km
    Agency                 HA
    Mode                   automatic
    Status                 NOT SET
    Residual RMS             0.81 s
    Azimuthal gap              69 deg

2 Network magnitudes:
    MLv       1.75 +/- 0.30  18            
    M         1.75           18 preferred  

25 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    GR23  1Y    0.1 293  P       21:40:40.21   0.3 A  1.0  GR23 
    MRKA  HA    0.2 108  P       21:40:39.94  -0.9 A  1.0  MRKA 
    PSAH  HA    0.3 132  P       21:40:42.22  -0.7 A  1.0  PSAH 
    ATAL  HA    0.3 257  P       21:40:42.45  -0.5 A  1.0  ATAL 
    LKR   HL    0.3 250  P       21:40:43.00  -0.4 A  1.0  LKR  
    SAGMA HL    0.4 176  P       21:40:43.49  -0.8 A  1.0  SAGMA
    ACHL  HT    0.4 308  P       21:40:45.35   0.1 A  1.0  ACHL 
    THIV  HA    0.5 184  P       21:40:46.34   0.2 A  1.0  THIV 
    ERTR  HA    0.5 138  P       21:40:46.16  -0.3 A  1.0  ERTR 
    AOS2  HT    0.5  43  P       21:40:47.76   0.2 A  1.0  AOS2 
    AXAR  HA    0.6 271  P       21:40:49.06   1.0 A  1.0  AXAR 
    DOMV  HA    0.6 212  P       21:40:47.85  -0.7 A  1.0  DOMV 
    VILL  HA    0.6 185  P       21:40:47.40  -1.3 A  1.0  VILL 
    PRDM  HA    0.6 221  P       21:40:48.70  -0.7 A  1.0  PRDM 
    MDRA  HA    0.7 174  P       21:40:52.55   1.9 A  1.0  MDRA 
    LAM2  HI    0.8 281  P       21:40:51.93   0.3 A  1.0  LAM2 
    MRTH  HA    0.8 145  P       21:40:53.74   1.7 A  1.0  MRTH 
    LTK   HP    0.8 204  P       21:40:52.07  -0.5 A  1.0  LTK  
    PTL   HL    0.8 152  P       21:40:53.89   1.2 A  1.0  PTL  
    GR24  1Y    0.9 266  P       21:40:55.13   0.2 A  1.0  GR24 
    VLY   HL    1.0 160  P       21:40:55.31  -0.3 A  1.0  VLY  
    GUR   HP    1.2 225  P       21:40:59.48   0.7 A  1.0  GUR  
    KLV   HL    1.2 234  P       21:41:00.27   0.7 A  1.0  KLV  
    OUR   HT    1.6  16  P       21:41:05.94  -0.5 A  1.0  OUR  
    ITHC  HT    2.2 263  P       21:41:13.31  -0.9 A  1.0  ITHC 

22 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    GR23  1Y    0.1 293  MLv     1.54 -0.20    1.25047      
    MRKA  HA    0.2 108  MLv     1.62 -0.12    1.10118      
    PSAH  HA    0.3 132  MLv     1.61 -0.14   0.524786      
    ATAL  HA    0.3 257  MLv     1.29 -0.45   0.252905      
    LKR   HL    0.3 250  MLv     1.60 -0.14   0.230215      
    SAGMA HL    0.4 176  MLv     1.31 -0.43   0.163915      
    ACHL  HT    0.4 308  MLv     1.47 -0.27   0.171514      
    THIV  HA    0.5 184  MLv     2.30  0.55   0.831687      
    ERTR  HA    0.5 138  MLv     1.48 -0.27   0.114215      
    AOS2  HT    0.5  43  MLv     1.80  0.05   0.165079      
    AXAR  HA    0.6 271  MLv     1.19 -0.56   0.150502      
    DOMV  HA    0.6 212  MLv     2.17  0.43   0.349279      
    VILL  HA    0.6 185  MLv     2.17  0.43     0.3486      
    PRDM  HA    0.6 221  MLv     1.63 -0.11   0.0959969      
    MDRA  HA    0.7 174  MLv     2.44  0.69   0.559234      
    LAM2  HI    0.8 281  MLv     2.29  0.54   0.374305      
    MRTH  HA    0.8 145  MLv     2.07  0.33   0.219245      
    LTK   HP    0.8 204  MLv     1.14 -0.60   0.0948052      
    PTL   HL    0.8 152  MLv     2.00  0.25    0.17675      
    GR24  1Y    0.9 266  MLv     1.44 -0.31   0.0418151      
    VLY   HL    1.0 160  MLv     2.19  0.44   0.225485      
    GUR   HP    1.2 225  MLv     1.79  0.04   0.0699586