Earthquake Information
 Origin Time
 2025-11-17 21:04:11 (GMT)
 Magnitude
 M 4.7
 Latitude
 38.9795° N
 Longitude
 24.2145° E
 Focal Depth
 20 km
 # of Arrivals
 60
 Location 31.3 km WNW of Skyros
66.5 km ESE of Skiathos
118.4 km NNE of Athens
 Solution type
 manual
 Files / Links
 QuakeML  GSE2.0  Alert  .phi  Foc.Mech.
  

  Focal Mechanism (automatic solution)

Foc.Mech. Strike (°) Dip (°) Rake (°) Seism.Mom. (dyn*cm)
13680-28 6.92E+22

Latitude (°N) Longitude (°E) Depth (km) Magnitude Mw
38.991624.204411.04.5

Source parameters determination

Click here for detailed focal mechanism automatic solution


  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
ALNAHL30.0302 P21:04:17.16 -0.31.0M
ALNAHL30.0302 S21:04:21.80 -0.91.0M
SKYHL30.8110 P21:04:16.78 -0.11.0M
SKYHL30.8110 S21:04:20.95 -0.71.0M
AOS2HT37.1300 P21:04:17.39 -0.31.0M
AOS2HT37.1300 S21:04:22.23 -0.91.0M
MRKAHA62.4241 P21:04:21.37 -0.21.0M
MRKAHA62.4241 S21:04:29.57 -0.31.0M
PSAHHA67.1227 P21:04:22.33 0.11.0M
PSAHHA67.1227 S21:04:30.80 -0.21.0M
ERTRHA73.7210 P21:04:23.35 0.11.0M
ERTRHA73.7210 S21:04:32.56 -0.31.0M
GR27B1Y84.8178 P21:04:25.18 0.31.0M
GR27B1Y84.8178 S21:04:36.26 0.51.0M
GR231Y87.4257 P21:04:25.62 0.31.0M
GR231Y87.4257 S21:04:37.00 0.41.0M
EFSAHL91.3 47 P21:04:26.38 0.51.0M
EFSAHL91.3 47 S21:04:37.94 0.41.0M
NEOHL93.0293 P21:04:26.75 0.61.0M
NEOHL93.0293 S21:04:38.44 0.41.0M
GR261Y95.0227 P21:04:26.63 0.11.0M
GR261Y95.0227 S21:04:39.00 0.31.0M
MRTHHA98.2194 P21:04:27.47 0.51.0M
MRTHHA98.2194 S21:04:39.50 0.11.0M
KARYHA107.1170 P21:04:28.74 0.41.0M
KARYHA107.1170 S21:04:41.96 0.11.0M
THIVHA107.7225 P21:04:28.91 0.41.0M
THIVHA107.7225 S21:04:42.73 0.71.0M
AMPEHA111.5228 P21:04:29.49 0.41.0M
AMPEHA111.5228 S21:04:43.74 0.61.0M
ALIOHA112.0205 P21:04:29.58 0.51.0M
ALIOHA112.0205 S21:04:43.36 0.21.0M
VOL2HI117.1291 P21:04:30.24 0.31.0M
VOL2HI117.1291 S21:04:44.73 0.11.0M
ATHUHA118.7198 P21:04:30.58 0.51.0M
ATHUHA118.7198 S21:04:44.81 -0.21.0M
VILLHA119.9221 P21:04:30.64 0.31.0M
VILLHA119.9221 S21:04:45.16 -0.31.0M
NOACHL119.9201 P21:04:30.93 0.71.0M
NOACHL119.9201 S21:04:45.13 -0.11.0M
ATHHL119.9201 P21:04:30.85 0.61.0M
ATHHL119.9201 S21:04:45.13 -0.11.0M
MDRAHA121.2213 P21:04:31.03 0.51.0M
MDRAHA121.2213 S21:04:45.48 -0.21.0M
VLYHL130.6196 P21:04:32.25 0.31.0M
VLYHL130.6196 S21:04:47.68 -0.51.0M
DOMVHA134.0233 P21:04:32.45 -0.11.0M
DOMVHA134.0233 S21:04:48.51 -0.71.0M
AXARHA136.7260 P21:04:32.99 0.01.0M
AXARHA136.7260 S21:04:49.12 -0.91.0M
PRDMHA142.0237 P21:04:33.31 -0.31.0M
PRDMHA142.0237 S21:04:50.27 -0.91.0M
LOUTHA154.3225 P21:04:35.24 0.11.0M
LOUTHA154.3225 S21:04:53.00 -0.91.0M
DLFAHL159.2250 P21:04:35.58 -0.31.0M
DLFAHL159.2250 S21:04:54.79 -0.31.0M
THNOHC163.4154 P21:04:35.84 -0.51.0M
THNOHC163.4154 S21:04:56.18 0.31.0M
PRKHL179.4 81 P21:04:38.30 -0.11.0M
PRKHL179.4 81 S21:04:59.15 -0.41.0M


  Solution details 

Event:
    Public ID              nkua2025wogr
    Description
      region name: Aegean Sea
Origin:
    Date                   2025-11-17
    Time                  21:04:10.56
    Latitude              38.9795 deg  +/-      0 km
    Longitude             24.2145 deg  +/-      0 km
    Depth                      20 km   +/-    1 km
    Agency                 HA
    Author                 A. Karakonstantis
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.43 s
    Azimuthal gap             105 deg

2 Network magnitudes:
    MLv       4.72 +/- 0.22  24            
    M         4.72           24 preferred  

60 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    SKY   HL    0.3 110  P       21:04:16.78  -0.1 M  1.0  SKY  
    SKY   HL    0.3 110  S       21:04:20.95  -0.7 M  1.0  SKY  
    ALNA  HL    0.3 302  P       21:04:17.16  -0.3 M  1.0  ALNA 
    ALNA  HL    0.3 302  S       21:04:21.80  -0.9 M  1.0  ALNA 
    AOS2  HT    0.3 300  P       21:04:17.39  -0.3 M  1.0  AOS2 
    AOS2  HT    0.3 300  S       21:04:22.23  -0.9 M  1.0  AOS2 
    MRKA  HA    0.6 241  P       21:04:21.37  -0.2 M  1.0  MRKA 
    MRKA  HA    0.6 241  S       21:04:29.57  -0.3 M  1.0  MRKA 
    PSAH  HA    0.6 227  P       21:04:22.33   0.1 M  1.0  PSAH 
    PSAH  HA    0.6 227  S       21:04:30.80  -0.2 M  1.0  PSAH 
    ERTR  HA    0.7 210  P       21:04:23.35   0.1 M  1.0  ERTR 
    ERTR  HA    0.7 210  S       21:04:32.56  -0.3 M  1.0  ERTR 
    GR27B 1Y    0.8 178  P       21:04:25.18   0.3 M  1.0  GR27B
    GR27B 1Y    0.8 178  S       21:04:36.26   0.5 M  1.0  GR27B
    GR23  1Y    0.8 257  P       21:04:25.62   0.3 M  1.0  GR23 
    GR23  1Y    0.8 257  S       21:04:37.00   0.4 M  1.0  GR23 
    EFSA  HL    0.8  47  P       21:04:26.38   0.5 M  1.0  EFSA 
    EFSA  HL    0.8  47  S       21:04:37.94   0.4 M  1.0  EFSA 
    NEO   HL    0.8 293  P       21:04:26.75   0.6 M  1.0  NEO  
    NEO   HL    0.8 293  S       21:04:38.44   0.4 M  1.0  NEO  
    GR26  1Y    0.9 227  P       21:04:26.63   0.1 M  1.0  GR26 
    GR26  1Y    0.9 227  S       21:04:39.00   0.3 M  1.0  GR26 
    MRTH  HA    0.9 194  P       21:04:27.47   0.5 M  1.0  MRTH 
    MRTH  HA    0.9 194  S       21:04:39.50   0.1 M  1.0  MRTH 
    KARY  HA    1.0 170  P       21:04:28.74   0.4 M  1.0  KARY 
    KARY  HA    1.0 170  S       21:04:41.96   0.1 M  1.0  KARY 
    THIV  HA    1.0 225  P       21:04:28.91   0.4 M  1.0  THIV 
    THIV  HA    1.0 225  S       21:04:42.73   0.7 M  1.0  THIV 
    AMPE  HA    1.0 228  P       21:04:29.49   0.4 M  1.0  AMPE 
    AMPE  HA    1.0 228  S       21:04:43.74   0.6 M  1.0  AMPE 
    ALIO  HA    1.0 205  P       21:04:29.58   0.5 M  1.0  ALIO 
    ALIO  HA    1.0 205  S       21:04:43.36   0.2 M  1.0  ALIO 
    VOL2  HI    1.1 291  P       21:04:30.24   0.3 M  1.0  VOL2 
    VOL2  HI    1.1 291  S       21:04:44.73   0.1 M  1.0  VOL2 
    ATHU  HA    1.1 198  P       21:04:30.58   0.5 M  1.0  ATHU 
    ATHU  HA    1.1 198  S       21:04:44.81  -0.2 M  1.0  ATHU 
    ATH   HL    1.1 201  P       21:04:30.85   0.6 M  1.0  ATH  
    ATH   HL    1.1 201  S       21:04:45.13  -0.1 M  1.0  ATH  
    NOAC  HL    1.1 201  P       21:04:30.93   0.7 M  1.0  NOAC 
    NOAC  HL    1.1 201  S       21:04:45.13  -0.1 M  1.0  NOAC 
    VILL  HA    1.1 221  P       21:04:30.64   0.3 M  1.0  VILL 
    VILL  HA    1.1 221  S       21:04:45.16  -0.3 M  1.0  VILL 
    MDRA  HA    1.1 213  P       21:04:31.03   0.5 M  1.0  MDRA 
    MDRA  HA    1.1 213  S       21:04:45.48  -0.2 M  1.0  MDRA 
    VLY   HL    1.2 196  P       21:04:32.25   0.3 M  1.0  VLY  
    VLY   HL    1.2 196  S       21:04:47.68  -0.5 M  1.0  VLY  
    DOMV  HA    1.2 233  P       21:04:32.45  -0.1 M  1.0  DOMV 
    DOMV  HA    1.2 233  S       21:04:48.51  -0.7 M  1.0  DOMV 
    AXAR  HA    1.2 260  P       21:04:32.99   0.0 M  1.0  AXAR 
    AXAR  HA    1.2 260  S       21:04:49.12  -0.9 M  1.0  AXAR 
    PRDM  HA    1.3 237  P       21:04:33.31  -0.3 M  1.0  PRDM 
    PRDM  HA    1.3 237  S       21:04:50.27  -0.9 M  1.0  PRDM 
    LOUT  HA    1.4 225  P       21:04:35.24   0.1 M  1.0  LOUT 
    LOUT  HA    1.4 225  S       21:04:53.00  -0.9 M  1.0  LOUT 
    DLFA  HL    1.4 250  P       21:04:35.58  -0.3 M  1.0  DLFA 
    DLFA  HL    1.4 250  S       21:04:54.79  -0.3 M  1.0  DLFA 
    THNO  HC    1.5 154  P       21:04:35.84  -0.5 M  1.0  THNO 
    THNO  HC    1.5 154  S       21:04:56.18   0.3 M  1.0  THNO 
    PRK   HL    1.6  81  P       21:04:38.30  -0.1 M  1.0  PRK  
    PRK   HL    1.6  81  S       21:04:59.15  -0.4 M  1.0  PRK  

30 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    SKY   HL    0.3 110  MLv     4.32 -0.41     466.19      
    ALNA  HL    0.3 302  MLv     4.65 -0.07    465.904      
    AOS2  HT    0.3 300  MLv     4.88  0.16    719.128      
    MRKA  HA    0.6 241  MLv     4.87  0.14    179.804      
    PSAH  HA    0.6 227  MLv     5.08  0.35    276.024      
    ERTR  HA    0.7 210  MLv     4.92  0.19    177.844      
    GR27B 1Y    0.8 178  MLv     4.87  0.15    140.447      
    GR23  1Y    0.8 257  MLv     4.80  0.08    115.937      
    EFSA  HL    0.8  47  MLv     4.73  0.01    94.9411      
    NEO   HL    0.8 293  MLv     4.58 -0.14    91.1004      
    GR26  1Y    0.9 227  MLv     4.76  0.04    96.8622      
    MRTH  HA    0.9 194  MLv     5.03  0.31    175.309      
    KARY  HA    1.0 170  MLv     4.80  0.07    91.6391      
    THIV  HA    1.0 225  MLv     4.97  0.25    135.972      
    AMPE  HA    1.0 228  MLv     4.88  0.16     105.64      
    ALIO  HA    1.0 205  MLv     4.92  0.19    113.607      
    VOL2  HI    1.1 291  MLv     4.65 -0.07    58.3024      
    ATHU  HA    1.1 198  MLv     4.83  0.10    52.7798      
    ATH   HL    1.1 201  MLv     4.74  0.01    68.8631      
    NOAC  HL    1.1 201  MLv     4.74  0.02    69.4633      
    VILL  HA    1.1 221  MLv     4.93  0.20    106.579      
    MDRA  HA    1.1 213  MLv     5.40  0.68    314.381      
    VLY   HL    1.2 196  MLv     5.11  0.39    145.104      
    DOMV  HA    1.2 233  MLv     5.02  0.29     111.87      
    AXAR  HA    1.2 260  MLv     4.04 -0.69    45.0429      
    PRDM  HA    1.3 237  MLv     4.64 -0.08    43.1791      
    LOUT  HA    1.4 225  MLv     4.87  0.15     63.451      
    DLFA  HL    1.4 250  MLv     4.34 -0.39    17.5332      
    THNO  HC    1.5 154  MLv     4.88  0.15    57.7883      
    PRK   HL    1.6  81  MLv     4.75  0.02    35.5724