Earthquake Information
 Origin Time
 2025-05-18 11:38:24 (GMT)
 Magnitude
 M 1.8
 Latitude
 38.8137° N
 Longitude
 23.6852° E
 Focal Depth
 7 km
 # of Arrivals
 18
 Location 39.6 km N of Chalkida
43.0 km SSE of Skiathos
92.4 km N of Athens
 Solution type
 manual
 Files / Links
 QuakeML  GSE2.0  Alert  .phi  
  

  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
MRKAHA14.8215 P11:38:27.09 0.01.0M
MRKAHA14.8215 S11:38:29.49 -0.11.0M
PSAHHA27.4187 P11:38:29.14 0.01.0M
PSAHHA27.4187 S11:38:33.02 -0.11.0M
AOS2HT39.6 20 P11:38:31.34 0.21.0M
AOS2HT39.6 20 S11:38:36.50 -0.21.0M
ERTRHA46.1169 P11:38:32.11 -0.11.0M
ERTRHA46.1169 S11:38:38.15 -0.41.0M
GR261Y51.8208 P11:38:33.20 -0.11.0M
GR261Y51.8208 S11:38:39.93 -0.41.0M
ATALHA59.1257 P11:38:34.36 -0.11.0M
ATALHA59.1257 S11:38:42.41 0.01.0M
LKRHL62.3253 P11:38:35.00 0.11.0M
LKRHL62.3253 S11:38:43.34 0.11.0M
VILLHA79.2204 P11:38:38.11 0.41.0M
VILLHA79.2204 S11:38:48.36 0.21.0M
MRTHHA80.0164 P11:38:38.09 0.31.0M
MRTHHA80.0164 S11:38:48.54 0.21.0M


  Solution details 

Event:
    Public ID              nkua2025jrey
    Description
      region name: Greece
Origin:
    Date                   2025-05-18
    Time                  11:38:23.96
    Latitude              38.8137 deg  +/-      0 km
    Longitude             23.6852 deg  +/-      0 km
    Depth                       7 km   +/-    1 km
    Agency                 HA
    Author                 A. Karakonstantis
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.21 s
    Azimuthal gap             143 deg

2 Network magnitudes:
    MLv       1.76 +/- 0.22   7            
    M         1.76            7 preferred  

18 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    MRKA  HA    0.1 215  P       11:38:27.09  -0.0 M  1.0  MRKA 
    MRKA  HA    0.1 215  S       11:38:29.49  -0.1 M  1.0  MRKA 
    PSAH  HA    0.2 187  P       11:38:29.14  -0.0 M  1.0  PSAH 
    PSAH  HA    0.2 187  S       11:38:33.02  -0.1 M  1.0  PSAH 
    AOS2  HT    0.4  20  P       11:38:31.34   0.2 M  1.0  AOS2 
    AOS2  HT    0.4  20  S       11:38:36.50  -0.2 M  1.0  AOS2 
    ERTR  HA    0.4 169  P       11:38:32.11  -0.1 M  1.0  ERTR 
    ERTR  HA    0.4 169  S       11:38:38.15  -0.4 M  1.0  ERTR 
    GR26  1Y    0.5 208  P       11:38:33.20  -0.1 M  1.0  GR26 
    GR26  1Y    0.5 208  S       11:38:39.93  -0.4 M  1.0  GR26 
    ATAL  HA    0.5 257  P       11:38:34.36  -0.1 M  1.0  ATAL 
    ATAL  HA    0.5 257  S       11:38:42.41   0.0 M  1.0  ATAL 
    LKR   HL    0.6 253  P       11:38:35.00   0.1 M  1.0  LKR  
    LKR   HL    0.6 253  S       11:38:43.34   0.1 M  1.0  LKR  
    VILL  HA    0.7 204  P       11:38:38.11   0.4 M  1.0  VILL 
    VILL  HA    0.7 204  S       11:38:48.36   0.2 M  1.0  VILL 
    MRTH  HA    0.7 164  P       11:38:38.09   0.3 M  1.0  MRTH 
    MRTH  HA    0.7 164  S       11:38:48.54   0.2 M  1.0  MRTH 

9 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    MRKA  HA    0.1 215  MLv     1.95  0.20    3.02566      
    PSAH  HA    0.2 187  MLv     1.63 -0.13   0.697817      
    AOS2  HT    0.4  20  MLv     1.37 -0.39   0.191936      
    ERTR  HA    0.4 169  MLv     1.30 -0.46     0.1108      
    GR26  1Y    0.5 208  MLv     1.99  0.23   0.390275      
    ATAL  HA    0.5 257  MLv     1.93  0.17    0.22294      
    LKR   HL    0.6 253  MLv     2.25  0.49   0.234435      
    VILL  HA    0.7 204  MLv     1.65 -0.11   0.090048      
    MRTH  HA    0.7 164  MLv     1.77  0.01   0.117315