Earthquake Information
 Origin Time
2026-09-18 22:11:57 (GMT)
 Magnitude
M 4.1
 Latitude
38.9275° N
 Longitude
23.3975° E
 Focal Depth
8 km
 # of Arrivals
50
 Location 27.6 km SSW of Skiathos
46.2 km NE of Atalanti
109.0 km NNW of Athens
 Solution type
manual
 Files / Links
QuakeML  GSE2.0  Alert  .phi  ShakeMap  
  

  Intensity map


PGA
PGV
MI

Download files: Google Earth (.kmz), Measurements (.csv)


  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
GR231Y19.8228 P22:12:00.83 0.11.0M
GR231Y19.8228 S22:12:03.68 -0.11.0M
MRKAHA29.7146 P22:12:02.34 0.01.0M
MRKAHA29.7146 S22:12:06.36 -0.31.0M
ACHLHT39.0283 P22:12:03.80 -0.11.0M
ACHLHT39.0283 S22:12:08.57 -0.71.0M
ALNAHL40.0 59 P22:12:05.25 0.01.0M
ALNAHL40.0 59 S22:12:11.39 -0.31.0M
ATALHA41.8231 P22:12:04.25 -0.11.0M
ATALHA41.8231 S22:12:09.41 -0.71.0M
PSAHHA45.3151 P22:12:04.79 -0.11.0M
PSAHHA45.3151 S22:12:10.41 -0.71.0M
AOS2HT45.7 58 P22:12:04.93 -0.11.0M
AOS2HT45.7 58 S22:12:10.89 -0.31.0M
SAGMAHL58.7179 P22:12:06.88 -0.31.0M
SAGMAHL58.7179 S22:12:14.93 -0.11.0M
AXARHA66.4254 P22:12:08.28 -0.11.0M
AXARHA66.4254 S22:12:17.54 0.21.0M
THIVHA70.1185 P22:12:09.12 0.11.0M
THIVHA70.1185 S22:12:18.91 0.71.0M
AMPEHA70.5189 P22:12:09.02 0.01.0M
AMPEHA70.5189 S22:12:18.81 0.41.0M
LAM2HI83.6268 P22:12:10.73 -0.41.0M
LAM2HI83.6268 S22:12:22.42 0.31.0M
ANTKHA91.2226 P22:12:11.91 -0.51.0M
ANTKHA91.2226 S22:12:24.63 0.41.0M
DLFAHL92.8238 P22:12:12.21 -0.51.0M
DLFAHL92.8238 S22:12:24.70 -0.11.0M
MDRAHA96.6176 P22:12:13.22 0.01.0M
MDRAHA96.6176 S22:12:26.24 0.51.0M
MRTHHA101.2152 P22:12:14.12 0.21.0M
MRTHHA101.2152 S22:12:27.34 0.41.0M
PTLHL106.0157 P22:12:14.80 0.11.0M
PTLHL106.0157 S22:12:28.76 0.41.0M
NOACHL109.7165 P22:12:15.67 0.41.0M
NOACHL109.7165 S22:12:29.82 0.51.0M
GINAHL119.7313 P22:12:17.24 0.41.0M
GINAHL119.7313 S22:12:32.52 0.41.0M
PLN1HI120.0 7 P22:12:17.31 0.51.0M
PLN1HI120.0 7 S22:12:32.67 0.61.0M
KARYHA134.5138 P22:12:18.98 -0.21.0M
KARYHA134.5138 S22:12:36.24 0.11.0M
EPIDHA148.0189 P22:12:21.36 0.11.0M
EPIDHA148.0189 S22:12:40.38 0.61.0M
EFSAHL153.0 64 P22:12:21.35 -0.61.0M
EFSAHL153.0 64 S22:12:41.72 0.61.0M
PATCHL160.0243 P22:12:22.97 -0.11.0M
PATCHL160.0243 S22:12:43.33 0.21.0M
PLGHL160.6 1 P22:12:22.32 -0.91.0M
PLGHL160.6 1 S22:12:43.66 0.41.0M


  Solution details

Event:
    Public ID              nkua2026sist
    Description
      region name: Greece
Origin:
    Date                   2026-09-18
    Time                  22:11:56.75
    Latitude              38.9275 deg  +/-      0 km
    Longitude             23.3975 deg  +/-      0 km
    Depth                       8 km   +/-    1 km
    Agency                 HA
    Author                 A. Karakonstantis
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.40 s
    Azimuthal gap              74 deg

2 Network magnitudes:
    MLv       4.08 +/- 0.19  19            
    M         4.08           19 preferred  

50 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    GR23  1Y    0.2 228  P       22:12:00.83   0.1 M  1.0  GR23 
    GR23  1Y    0.2 228  S       22:12:03.68  -0.1 M  1.0  GR23 
    MRKA  HA    0.3 146  P       22:12:02.34  -0.0 M  1.0  MRKA 
    MRKA  HA    0.3 146  S       22:12:06.36  -0.3 M  1.0  MRKA 
    ACHL  HT    0.4 283  P       22:12:03.80  -0.1 M  1.0  ACHL 
    ACHL  HT    0.4 283  S       22:12:08.57  -0.7 M  1.0  ACHL 
    ATAL  HA    0.4 231  P       22:12:04.25  -0.1 M  1.0  ATAL 
    ATAL  HA    0.4 231  S       22:12:09.41  -0.7 M  1.0  ATAL 
    PSAH  HA    0.4 151  P       22:12:04.79  -0.1 M  1.0  PSAH 
    PSAH  HA    0.4 151  S       22:12:10.41  -0.7 M  1.0  PSAH 
    AOS2  HT    0.4  58  P       22:12:04.93  -0.1 M  1.0  AOS2 
    AOS2  HT    0.4  58  S       22:12:10.89  -0.3 M  1.0  AOS2 
    ALNA  HL    0.4  59  P       22:12:05.25   0.0 M  1.0  ALNA 
    ALNA  HL    0.4  59  S       22:12:11.39  -0.3 M  1.0  ALNA 
    SAGMA HL    0.5 179  P       22:12:06.88  -0.3 M  1.0  SAGMA
    SAGMA HL    0.5 179  S       22:12:14.93  -0.1 M  1.0  SAGMA
    AXAR  HA    0.6 254  P       22:12:08.28  -0.1 M  1.0  AXAR 
    AXAR  HA    0.6 254  S       22:12:17.54   0.2 M  1.0  AXAR 
    THIV  HA    0.6 185  P       22:12:09.12   0.1 M  1.0  THIV 
    THIV  HA    0.6 185  S       22:12:18.91   0.7 M  1.0  THIV 
    AMPE  HA    0.6 189  P       22:12:09.02  -0.0 M  1.0  AMPE 
    AMPE  HA    0.6 189  S       22:12:18.81   0.4 M  1.0  AMPE 
    LAM2  HI    0.8 268  P       22:12:10.73  -0.4 M  1.0  LAM2 
    LAM2  HI    0.8 268  S       22:12:22.42   0.3 M  1.0  LAM2 
    ANTK  HA    0.8 226  P       22:12:11.91  -0.5 M  1.0  ANTK 
    ANTK  HA    0.8 226  S       22:12:24.63   0.4 M  1.0  ANTK 
    DLFA  HL    0.8 238  P       22:12:12.21  -0.5 M  1.0  DLFA 
    DLFA  HL    0.8 238  S       22:12:24.70  -0.1 M  1.0  DLFA 
    MDRA  HA    0.9 176  P       22:12:13.22   0.0 M  1.0  MDRA 
    MDRA  HA    0.9 176  S       22:12:26.24   0.5 M  1.0  MDRA 
    MRTH  HA    0.9 152  P       22:12:14.12   0.2 M  1.0  MRTH 
    MRTH  HA    0.9 152  S       22:12:27.34   0.4 M  1.0  MRTH 
    PTL   HL    1.0 157  P       22:12:14.80   0.1 M  1.0  PTL  
    PTL   HL    1.0 157  S       22:12:28.76   0.4 M  1.0  PTL  
    NOAC  HL    1.0 165  P       22:12:15.67   0.4 M  1.0  NOAC 
    NOAC  HL    1.0 165  S       22:12:29.82   0.5 M  1.0  NOAC 
    GINA  HL    1.1 313  P       22:12:17.24   0.4 M  1.0  GINA 
    GINA  HL    1.1 313  S       22:12:32.52   0.4 M  1.0  GINA 
    PLN1  HI    1.1   7  P       22:12:17.31   0.5 M  1.0  PLN1 
    PLN1  HI    1.1   7  S       22:12:32.67   0.6 M  1.0  PLN1 
    KARY  HA    1.2 138  P       22:12:18.98  -0.2 M  1.0  KARY 
    KARY  HA    1.2 138  S       22:12:36.24   0.1 M  1.0  KARY 
    EPID  HA    1.3 189  P       22:12:21.36   0.1 M  1.0  EPID 
    EPID  HA    1.3 189  S       22:12:40.38   0.6 M  1.0  EPID 
    EFSA  HL    1.4  64  P       22:12:21.35  -0.6 M  1.0  EFSA 
    EFSA  HL    1.4  64  S       22:12:41.72   0.6 M  1.0  EFSA 
    PATC  HL    1.4 243  P       22:12:22.97  -0.1 M  1.0  PATC 
    PATC  HL    1.4 243  S       22:12:43.33   0.2 M  1.0  PATC 
    PLG   HL    1.4   1  P       22:12:22.32  -0.9 M  1.0  PLG  
    PLG   HL    1.4   1  S       22:12:43.66   0.4 M  1.0  PLG  

25 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    GR23  1Y    0.2 228  MLv     4.29  0.21    496.695      
    MRKA  HA    0.3 146  MLv     3.70 -0.38    72.4188      
    ACHL  HT    0.4 283  MLv     4.07 -0.01    99.7827      
    ATAL  HA    0.4 231  MLv     3.85 -0.24    50.2735      
    PSAH  HA    0.4 151  MLv     3.76 -0.32    33.8413      
    AOS2  HT    0.4  58  MLv     4.00 -0.08    57.2486      
    ALNA  HL    0.4  59  MLv     4.20  0.12    81.9516      
    SAGMA HL    0.5 179  MLv     3.60 -0.48    10.7245      
    AXAR  HA    0.6 254  MLv     3.51 -0.57    30.1015      
    THIV  HA    0.6 185  MLv     4.56  0.48    81.3303      
    AMPE  HA    0.6 189  MLv     4.05 -0.03    24.8994      
    LAM2  HI    0.8 268  MLv     3.88 -0.20    14.5696      
    ANTK  HA    0.8 226  MLv     4.30  0.22    35.3865      
    DLFA  HL    0.8 238  MLv     3.99 -0.09    16.7995      
    MDRA  HA    0.9 176  MLv     4.76  0.68    94.4257      
    MRTH  HA    0.9 152  MLv     4.72  0.64     82.449      
    PTL   HL    1.0 157  MLv     4.43  0.35    39.7768      
    NOAC  HL    1.0 165  MLv     4.49  0.41    43.8566      
    GINA  HL    1.1 313  MLv     4.07 -0.01    14.7515      
    PLN1  HI    1.1   7  MLv     3.99 -0.09    12.2693      
    KARY  HA    1.2 138  MLv     3.98 -0.10    10.1128      
    EPID  HA    1.3 189  MLv     4.08  0.00    11.0326      
    EFSA  HL    1.4  64  MLv     4.07 -0.01    10.0673      
    PATC  HL    1.4 243  MLv     4.12  0.04    10.5356      
    PLG   HL    1.4   1  MLv     3.92 -0.16    6.61144