Earthquake Information
 Origin Time
2026-07-20 07:54:58 (GMT)
 Magnitude
M 3.1
 Latitude
38.6812° N
 Longitude
23.4226° E
 Focal Depth
10 km
 # of Arrivals
73
 Location 28.7 km NNW of Chalkida
36.9 km E of Atalanti
82.2 km NNW of Athens
 Solution type
automatic
 Files / Links
QuakeML  GSE2.0  Alert  .phi  
  

  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
MRKAHA14.4 80 P07:55:00.53 -1.01.0A
GR231Y21.9310 P07:55:01.31 -1.31.0A
PSAHHA23.1122 P07:55:02.10 -0.71.0A
SAGMAHL31.3182 P07:55:02.96 -1.11.0A
ATALHA34.9272 P07:55:02.92 -1.81.0A
THIVHA43.2191 P07:55:05.29 -0.71.0A
ERTRHA44.0134 P07:55:05.39 -0.71.0A
AMPEHA44.3198 P07:55:05.22 -0.91.0A
ACHLHT54.2312 P07:55:06.68 -1.01.0A
VILLHA58.3190 P07:55:07.09 -1.21.0A
AOS2HT63.4 35 P07:55:08.59 -0.51.0A
AXARHA66.9278 P07:55:08.73 -1.01.0A
PRDMHA67.1229 P07:55:08.07 -1.61.0A
MDRAHA69.1177 P07:55:09.20 -0.81.0A
ALNAHL70.0 36 P07:55:09.63 0.31.0A
ALIOHA71.8162 P07:55:10.81 0.41.0A
MRTHHA76.8144 P07:55:10.83 -0.41.0A
ANTKHA77.0243 P07:55:09.41 -1.91.0A
ATHHL82.8162 P07:55:12.67 0.51.0A
NOACHL82.8162 P07:55:13.19 1.01.0A
LTKHP83.3209 P07:55:11.39 -0.91.0A
DSFHP83.5249 P07:55:10.52 -1.81.0A
DLFAHL83.7255 P07:55:12.54 0.21.0A
ATHUHA85.5158 P07:55:12.31 -0.31.0A
LOUTHA86.4207 P07:55:12.04 -0.71.0A
ELEOHA88.5125 P07:55:12.66 -0.41.0A
THALHA97.6223 P07:55:13.76 -0.71.0A
VLYHL97.7160 P07:55:14.29 -0.21.0A
SKYHL100.1 77 P07:55:15.53 0.61.0A
ACORHA100.3209 P07:55:15.50 0.61.0A
AGGHT101.4292 P07:55:14.49 -0.61.0A
KRYOHL105.6222 P07:55:16.43 0.71.0A
GR241Y106.6271 P07:55:14.36 -1.61.0A
KARYHA114.2129 P07:55:16.84 -0.21.0A
PSAMCL114.9250 P07:55:16.11 -1.11.0A
PSARCL115.3251 P07:55:17.70 0.51.0A
KALEHA116.1254 P07:55:16.56 -0.81.0A
EPIDHA121.6193 P07:55:18.49 0.51.0A
SERGHP122.5256 P07:55:16.49 -1.71.0A
TRIZCL122.6254 P07:55:17.73 -0.51.0A
MET1HL122.7182 P07:55:18.45 0.31.0A
GURHP125.5229 P07:55:18.74 0.11.0A
PYRGCL125.9257 P07:55:17.60 -1.11.0A
ANXHP130.8266 P07:55:19.05 -0.31.0A
EFPHP134.9258 P07:55:20.25 0.41.0A
LAKAHA135.0249 P07:55:20.43 0.51.0A
ROD3CL139.5253 P07:55:21.52 1.01.0A
PAIGHT141.3 9 P07:55:20.22 -0.51.0A
GR301Y148.6210 P07:55:22.16 0.51.0A
THLHL156.2309 P07:55:23.91 1.21.0A
DROHP169.9242 P07:55:26.09 1.51.0A
PLEVHP177.8261 P07:55:27.62 2.01.0A
THNOHC180.5129 P07:55:26.29 0.41.0A
PLGHL188.0 1 P07:55:26.54 -0.31.0A
OURHT189.9 14 P07:55:26.81 -0.31.0A
SERIHA193.0151 P07:55:27.56 0.01.0A
GR171Y193.7308 P07:55:30.47 2.81.0A
GR321Y194.4191 P07:55:28.07 0.41.0A
PDOHP194.7268 P07:55:29.71 1.91.0A
AMTHP197.0230 P07:55:30.41 2.31.0A
ITMHL212.5219 P07:55:31.85 1.81.0A
HORTHT214.9353 P07:55:30.17 -0.21.0A
VLIHL222.3191 P07:55:31.49 0.21.0A
CHOSHT230.9 97 P07:55:33.19 0.71.0A
GR331Y233.9205 P07:55:34.25 1.51.0A
FSKHP249.9265 P07:55:37.11 2.31.0A
ORTHHL255.3250 P07:55:37.43 2.01.0A
APEHL256.8133 P07:55:36.02 0.41.0A
SRSHT270.3 3 P07:55:38.11 0.91.0A
KTHAHL271.5187 P07:55:38.10 0.81.0A
MANGAHP282.4142 P07:55:38.98 0.21.0A
PRASHL312.2 18 P07:55:41.68 -0.71.0A


  Solution details

Event:
    Public ID              nkua2026ocah
    Description
      region name: Greece
Origin:
    Date                   2026-07-20
    Time                  07:54:57.51  +/-    0.1 s
    Latitude              38.6812 deg  +/-      1 km
    Longitude             23.4226 deg  +/-      1 km
    Depth                      10 km
    Agency                 HA
    Mode                   automatic
    Status                 NOT SET
    Residual RMS             1.07 s
    Azimuthal gap              40 deg

2 Network magnitudes:
    MLv       3.10 +/- 0.20  55            
    M         3.10           55 preferred  

73 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    MRKA  HA    0.1  80  P       07:55:00.53  -1.0 A  1.0  MRKA 
    GR23  1Y    0.2 310  P       07:55:01.31  -1.3 A  1.0  GR23 
    PSAH  HA    0.2 122  P       07:55:02.10  -0.7 A  1.0  PSAH 
    SAGMA HL    0.3 182  P       07:55:02.96  -1.1 A  1.0  SAGMA
    ATAL  HA    0.3 272  P       07:55:02.92  -1.8 A  1.0  ATAL 
    THIV  HA    0.4 191  P       07:55:05.29  -0.7 A  1.0  THIV 
    ERTR  HA    0.4 134  P       07:55:05.39  -0.7 A  1.0  ERTR 
    AMPE  HA    0.4 198  P       07:55:05.22  -0.9 A  1.0  AMPE 
    ACHL  HT    0.5 312  P       07:55:06.68  -1.0 A  1.0  ACHL 
    VILL  HA    0.5 190  P       07:55:07.09  -1.2 A  1.0  VILL 
    AOS2  HT    0.6  35  P       07:55:08.59  -0.5 A  1.0  AOS2 
    ALNA  HL    0.6  36  P       07:55:09.63   0.3 A  1.0  ALNA 
    AXAR  HA    0.6 278  P       07:55:08.73  -1.0 A  1.0  AXAR 
    PRDM  HA    0.6 229  P       07:55:08.07  -1.6 A  1.0  PRDM 
    MDRA  HA    0.6 177  P       07:55:09.20  -0.8 A  1.0  MDRA 
    ALIO  HA    0.6 162  P       07:55:10.81   0.4 A  1.0  ALIO 
    MRTH  HA    0.7 144  P       07:55:10.83  -0.4 A  1.0  MRTH 
    ANTK  HA    0.7 243  P       07:55:09.41  -1.9 A  1.0  ANTK 
    ATH   HL    0.7 162  P       07:55:12.67   0.5 A  1.0  ATH  
    NOAC  HL    0.7 162  P       07:55:13.19   1.0 A  1.0  NOAC 
    LTK   HP    0.7 209  P       07:55:11.39  -0.9 A  1.0  LTK  
    DSF   HP    0.8 249  P       07:55:10.52  -1.8 A  1.0  DSF  
    DLFA  HL    0.8 255  P       07:55:12.54   0.2 A  1.0  DLFA 
    ATHU  HA    0.8 158  P       07:55:12.31  -0.3 A  1.0  ATHU 
    LOUT  HA    0.8 207  P       07:55:12.04  -0.7 A  1.0  LOUT 
    ELEO  HA    0.8 125  P       07:55:12.66  -0.4 A  1.0  ELEO 
    THAL  HA    0.9 223  P       07:55:13.76  -0.7 A  1.0  THAL 
    VLY   HL    0.9 160  P       07:55:14.29  -0.2 A  1.0  VLY  
    SKY   HL    0.9  77  P       07:55:15.53   0.6 A  1.0  SKY  
    ACOR  HA    0.9 209  P       07:55:15.50   0.6 A  1.0  ACOR 
    AGG   HT    0.9 292  P       07:55:14.49  -0.6 A  1.0  AGG  
    KRYO  HL    1.0 222  P       07:55:16.43   0.7 A  1.0  KRYO 
    GR24  1Y    1.0 271  P       07:55:14.36  -1.6 A  1.0  GR24 
    KARY  HA    1.0 129  P       07:55:16.84  -0.2 A  1.0  KARY 
    PSAM  CL    1.0 250  P       07:55:16.11  -1.1 A  1.0  PSAM 
    PSAR  CL    1.0 251  P       07:55:17.70   0.5 A  1.0  PSAR 
    KALE  HA    1.0 254  P       07:55:16.56  -0.8 A  1.0  KALE 
    EPID  HA    1.1 193  P       07:55:18.49   0.5 A  1.0  EPID 
    SERG  HP    1.1 256  P       07:55:16.49  -1.7 A  1.0  SERG 
    TRIZ  CL    1.1 254  P       07:55:17.73  -0.5 A  1.0  TRIZ 
    MET1  HL    1.1 182  P       07:55:18.45   0.3 A  1.0  MET1 
    GUR   HP    1.1 229  P       07:55:18.74   0.1 A  1.0  GUR  
    PYRG  CL    1.1 257  P       07:55:17.60  -1.1 A  1.0  PYRG 
    ANX   HP    1.2 266  P       07:55:19.05  -0.3 A  1.0  ANX  
    EFP   HP    1.2 258  P       07:55:20.25   0.4 A  1.0  EFP  
    LAKA  HA    1.2 249  P       07:55:20.43   0.5 A  1.0  LAKA 
    ROD3  CL    1.3 253  P       07:55:21.52   1.0 A  1.0  ROD3 
    PAIG  HT    1.3   9  P       07:55:20.22  -0.5 A  1.0  PAIG 
    GR30  1Y    1.3 210  P       07:55:22.16   0.5 A  1.0  GR30 
    THL   HL    1.4 309  P       07:55:23.91   1.2 A  1.0  THL  
    DRO   HP    1.5 242  P       07:55:26.09   1.5 A  1.0  DRO  
    PLEV  HP    1.6 261  P       07:55:27.62   2.0 A  1.0  PLEV 
    THNO  HC    1.6 129  P       07:55:26.29   0.4 A  1.0  THNO 
    PLG   HL    1.7   1  P       07:55:26.54  -0.3 A  1.0  PLG  
    OUR   HT    1.7  14  P       07:55:26.81  -0.3 A  1.0  OUR  
    SERI  HA    1.7 151  P       07:55:27.56   0.0 A  1.0  SERI 
    GR17  1Y    1.7 308  P       07:55:30.47   2.8 A  1.0  GR17 
    GR32  1Y    1.7 191  P       07:55:28.07   0.4 A  1.0  GR32 
    PDO   HP    1.8 268  P       07:55:29.71   1.9 A  1.0  PDO  
    AMT   HP    1.8 230  P       07:55:30.41   2.3 A  1.0  AMT  
    ITM   HL    1.9 219  P       07:55:31.85   1.8 A  1.0  ITM  
    HORT  HT    1.9 353  P       07:55:30.17  -0.2 A  1.0  HORT 
    VLI   HL    2.0 191  P       07:55:31.49   0.2 A  1.0  VLI  
    CHOS  HT    2.1  97  P       07:55:33.19   0.7 A  1.0  CHOS 
    GR33  1Y    2.1 205  P       07:55:34.25   1.5 A  1.0  GR33 
    FSK   HP    2.2 265  P       07:55:37.11   2.3 A  1.0  FSK  
    ORTH  HL    2.3 250  P       07:55:37.43   2.0 A  1.0  ORTH 
    APE   HL    2.3 133  P       07:55:36.02   0.4 A  1.0  APE  
    PENT  HL    2.3 311  P       07:55:39.07   3.2 AX 0.0  PENT 
    SRS   HT    2.4   3  P       07:55:38.11   0.9 A  1.0  SRS  
    KTHA  HL    2.4 187  P       07:55:38.10   0.8 A  1.0  KTHA 
    MANGA HP    2.5 142  P       07:55:38.98   0.2 A  1.0  MANGA
    PRAS  HL    2.8  18  P       07:55:41.68  -0.7 A  1.0  PRAS 

71 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    MRKA  HA    0.1  80  MLv     3.05 -0.05    38.4939      
    GR23  1Y    0.2 310  MLv     3.33  0.23    48.1618      
    PSAH  HA    0.2 122  MLv     3.07 -0.03    24.4095      
    SAGMA HL    0.3 182  MLv     2.64 -0.46    5.73733      
    ATAL  HA    0.3 272  MLv     3.34  0.24    23.1808      
    THIV  HA    0.4 191  MLv     3.56  0.46    23.8034      
    ERTR  HA    0.4 134  MLv     2.85 -0.25    4.46864      
    AMPE  HA    0.4 198  MLv     3.26  0.16    11.3524      
    ACHL  HT    0.5 312  MLv     2.84 -0.26    2.42603      
    VILL  HA    0.5 190  MLv     3.67  0.57    13.0542      
    AOS2  HT    0.6  35  MLv     3.35  0.25    5.38352      
    ALNA  HL    0.6  36  MLv     3.47  0.37    6.95898      
    AXAR  HA    0.6 278  MLv     2.84 -0.26     6.3614      
    MDRA  HA    0.6 177  MLv     3.79  0.70    14.0933      
    ALIO  HA    0.6 162  MLv     3.46  0.37    6.39294      
    MRTH  HA    0.7 144  MLv     3.71  0.61    10.5087      
    ANTK  HA    0.7 243  MLv     3.09 -0.01    2.52656      
    ATH   HL    0.7 162  MLv     3.22  0.12    3.20931      
    NOAC  HL    0.7 162  MLv     3.23  0.14    3.31877      
    LTK   HP    0.7 209  MLv     3.04 -0.06    7.97301      
    DSF   HP    0.8 249  MLv     3.51  0.41    6.17665      
    DLFA  HL    0.8 255  MLv     3.23  0.13     3.2345      
    ATHU  HA    0.8 158  MLv     3.32  0.22    2.39887      
    LOUT  HA    0.8 207  MLv     3.75  0.65    10.4456      
    ELEO  HA    0.8 125  MLv     3.28  0.18    3.46636      
    THAL  HA    0.9 223  MLv     3.32  0.22    6.04526      
    VLY   HL    0.9 160  MLv     3.62  0.53    6.85864      
    SKY   HL    0.9  77  MLv     3.29  0.19    5.10822      
    ACOR  HA    0.9 209  MLv     3.28  0.18    3.01231      
    AGG   HT    0.9 292  MLv     2.94 -0.16    1.04901      
    KRYO  HL    1.0 222  MLv     3.58  0.48    5.69173      
    GR24  1Y    1.0 271  MLv     2.75 -0.34   0.835624      
    KARY  HA    1.0 129  MLv     3.43  0.33    3.59675      
    PSAM  CL    1.0 250  MLv     3.15  0.05    1.89978      
    PSAR  CL    1.0 251  MLv     1.82 -1.28   0.0880965      
    KALE  HA    1.0 254  MLv     2.95 -0.14    1.18728      
    EPID  HA    1.1 193  MLv     3.64  0.54    5.34634      
    SERG  HP    1.1 256  MLv     3.11  0.01    1.57701      
    TRIZ  CL    1.1 254  MLv     3.01 -0.09    1.25433      
    MET1  HL    1.1 182  MLv     3.32  0.22    2.54337      
    GUR   HP    1.1 229  MLv     3.60  0.50    4.65872      
    PYRG  CL    1.1 257  MLv     2.07 -1.03   0.0877116      
    ANX   HP    1.2 266  MLv     3.04 -0.06    1.22262      
    EFP   HP    1.2 258  MLv     3.07 -0.02    1.26137      
    LAKA  HA    1.2 249  MLv     2.72 -0.38   0.559274      
    ROD3  CL    1.3 253  MLv     2.96 -0.14    1.38317      
    PAIG  HT    1.3   9  MLv     2.81 -0.29   0.491477      
    GR30  1Y    1.3 210  MLv     3.12  0.03    1.20761      
    THL   HL    1.4 309  MLv     2.76 -0.34   0.288118      
    DRO   HP    1.5 242  MLv     2.73 -0.37   0.791357      
    PLEV  HP    1.6 261  MLv     2.65 -0.44   0.292581      
    THNO  HC    1.6 129  MLv     3.27  0.17    1.17521      
    PLG   HL    1.7   1  MLv     2.99 -0.11   0.563445      
    OUR   HT    1.7  14  MLv     3.17  0.07   0.840752      
    SERI  HA    1.7 151  MLv     2.91 -0.19   0.437759      
    GR17  1Y    1.7 308  MLv     2.94 -0.16   0.465946      
    GR32  1Y    1.7 191  MLv     3.16  0.07   0.780524      
    PDO   HP    1.8 268  MLv     2.64 -0.46   0.232409      
    AMT   HP    1.8 230  MLv     3.10  0.00   0.654528      
    ITM   HL    1.9 219  MLv     3.01 -0.09    0.44193      
    HORT  HT    1.9 353  MLv     2.94 -0.15   0.251289      
    VLI   HL    2.0 191  MLv     3.05 -0.05   0.565916      
    CHOS  HT    2.1  97  MLv     2.82 -0.28   0.230076      
    GR33  1Y    2.1 205  MLv     2.84 -0.26   0.234173      
    FSK   HP    2.2 265  MLv     2.72 -0.38   0.146779      
    ORTH  HL    2.3 250  MLv     2.80 -0.29   0.169475      
    APE   HL    2.3 133  MLv     3.30  0.20   0.523658      
    SRS   HT    2.4   3  MLv     2.73 -0.37   0.0849778      
    KTHA  HL    2.4 187  MLv     2.93 -0.17   0.188272      
    MANGA HP    2.5 142  MLv     2.92 -0.18   0.161094      
    PRAS  HL    2.8  18  MLv     2.97 -0.13   0.129859