Earthquake Information
 Origin Time
2025-12-17 19:43:09 (GMT)
 Magnitude
M 1.8
 Latitude
40.1804° N
 Longitude
21.7734° E
 Focal Depth
2 km
 # of Arrivals
19
 Location 17.7 km SSE of Kozani
32.2 km ENE of Grevena
297.1 km NW of Athens
 Solution type
automatic
 Files / Links
QuakeML  GSE2.0  Alert  .phi  
  

  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
GR101Y36.9336 P19:43:16.15 0.11.0A
KPROHT43.0234 P19:43:17.22 0.21.0A
GR171Y51.1194 P19:43:18.31 -0.11.0A
GR111Y51.9 43 P19:43:18.43 -0.11.0A
PENTHL54.0272 P19:43:18.60 -0.31.0A
LITHT61.5 98 P19:43:19.61 -0.61.0A
TYRNHT65.2143 P19:43:20.41 -0.41.0A
NESTHT66.7293 P19:43:20.74 -0.31.0A
GR151Y67.3247 P19:43:21.06 -0.11.0A
GR071Y70.4 17 P19:43:21.39 -0.31.0A
THLHL71.5163 P19:43:21.17 -0.71.0A
FLNAHT74.4334 P19:43:21.86 -0.51.0A
GR181Y91.4123 P19:43:24.99 -0.21.0A
PRMDHP92.6219 P19:43:25.99 0.61.0A
GRGHT101.3 31 P19:43:27.74 0.91.0A
TETRHL102.3205 P19:43:27.59 0.61.0A
GR201Y105.1181 P19:43:27.07 -0.41.0A
HORTHT121.5 67 P19:43:30.64 0.61.0A
AGGHT137.6159 P19:43:33.34 1.01.0A


  Solution details

Event:
    Public ID              nkua2025yqzc
    Description
      region name: Greece
Origin:
    Date                   2025-12-17
    Time                  19:43:09.36  +/-    0.2 s
    Latitude              40.1804 deg  +/-      2 km
    Longitude             21.7734 deg  +/-      2 km
    Depth                       2 km
    Agency                 HA
    Mode                   automatic
    Status                 NOT SET
    Residual RMS             0.48 s
    Azimuthal gap              41 deg

2 Network magnitudes:
    MLv       1.83 +/- 0.14  13            
    M         1.83           13 preferred  

19 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    GR10  1Y    0.3 336  P       19:43:16.15   0.1 A  1.0  GR10 
    KPRO  HT    0.4 234  P       19:43:17.22   0.2 A  1.0  KPRO 
    GR17  1Y    0.5 194  P       19:43:18.31  -0.1 A  1.0  GR17 
    GR11  1Y    0.5  43  P       19:43:18.43  -0.1 A  1.0  GR11 
    PENT  HL    0.5 272  P       19:43:18.60  -0.3 A  1.0  PENT 
    LIT   HT    0.6  98  P       19:43:19.61  -0.6 A  1.0  LIT  
    TYRN  HT    0.6 143  P       19:43:20.41  -0.4 A  1.0  TYRN 
    NEST  HT    0.6 293  P       19:43:20.74  -0.3 A  1.0  NEST 
    GR15  1Y    0.6 247  P       19:43:21.06  -0.1 A  1.0  GR15 
    GR07  1Y    0.6  17  P       19:43:21.39  -0.3 A  1.0  GR07 
    THL   HL    0.6 163  P       19:43:21.17  -0.7 A  1.0  THL  
    FLNA  HT    0.7 334  P       19:43:21.86  -0.5 A  1.0  FLNA 
    GR18  1Y    0.8 123  P       19:43:24.99  -0.2 A  1.0  GR18 
    PRMD  HP    0.8 219  P       19:43:25.99   0.6 A  1.0  PRMD 
    GRG   HT    0.9  31  P       19:43:27.74   0.9 A  1.0  GRG  
    TETR  HL    0.9 205  P       19:43:27.59   0.6 A  1.0  TETR 
    GR20  1Y    0.9 181  P       19:43:27.07  -0.4 A  1.0  GR20 
    HORT  HT    1.1  67  P       19:43:30.64   0.6 A  1.0  HORT 
    AGG   HT    1.2 159  P       19:43:33.34   1.0 A  1.0  AGG  

17 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    GR10  1Y    0.3 336  MLv     1.69 -0.14   0.465089      
    KPRO  HT    0.4 234  MLv     1.61 -0.22     0.2707      
    GR17  1Y    0.5 194  MLv     1.83 -0.00    0.28306      
    GR11  1Y    0.5  43  MLv     1.56 -0.27   0.144168      
    PENT  HL    0.5 272  MLv     2.02  0.19   0.287373      
    LIT   HT    0.6  98  MLv     2.20  0.37    0.28211      
    TYRN  HT    0.6 143  MLv     2.05  0.22   0.208229      
    NEST  HT    0.6 293  MLv     2.08  0.25   0.282642      
    GR15  1Y    0.6 247  MLv     1.89  0.06   0.178805      
    GR07  1Y    0.6  17  MLv     1.85  0.02   0.157688      
    THL   HL    0.6 163  MLv     2.00  0.17   0.132583      
    FLNA  HT    0.7 334  MLv     1.82 -0.01   0.139311      
    GR18  1Y    0.8 123  MLv     1.88  0.05   0.133066      
    PRMD  HP    0.8 219  MLv     1.71 -0.12   0.0888784      
    GRG   HT    0.9  31  MLv     1.56 -0.27   0.0565345      
    GR20  1Y    0.9 181  MLv     1.61 -0.22   0.0611302      
    HORT  HT    1.1  67  MLv     1.84  0.01   0.0578208