Earthquake Information
 Origin Time
2025-04-19 04:42:43 (GMT)
 Magnitude
M 1.6
 Latitude
40.1248° N
 Longitude
21.4606° E
 Focal Depth
25 km
 # of Arrivals
12
 Location 5.9 km NE of Grevena
31.8 km SW of Kozani
308.5 km NW of Athens
 Solution type
automatic
 Files / Links
QuakeML  GSE2.0  Alert  .phi  
  

  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
KPROHT20.6204 P04:42:49.60 -0.41.0A
PENTHL28.5286 P04:42:49.80 -1.21.0A
GR151Y40.7240 P04:42:52.17 -0.41.0A
GR101Y41.4 16 P04:42:52.56 -0.11.0A
GR161Y41.7103 P04:42:52.93 0.21.0A
GR171Y45.8162 P04:42:53.15 -0.11.0A
NESTHT47.5313 P04:42:54.10 0.71.0A
FLNAHT73.2355 P04:42:57.39 0.71.0A
THLHL78.2143 P04:42:57.85 0.61.0A
TETRHL88.2190 P04:42:59.34 0.81.0A
GR201Y101.9166 P04:43:02.18 1.91.0A
MRKAHA241.4130 P04:43:15.06 -2.71.0A


  Solution details

Event:
    Public ID              nkua2025hprr
    Description
      region name: Greece
Origin:
    Date                   2025-04-19
    Time                  04:42:43.18  +/-    0.4 s
    Latitude              40.1248 deg  +/-      3 km
    Longitude             21.4606 deg  +/-      4 km
    Depth                      25 km   +/-    5 km
    Agency                 HA
    Mode                   automatic
    Status                 NOT SET
    Residual RMS             1.10 s
    Azimuthal gap              87 deg

2 Network magnitudes:
    MLv       1.58 +/- 0.16   7            
    M         1.58            7 preferred  

12 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    KPRO  HT    0.2 204  P       04:42:49.60  -0.4 A  1.0  KPRO 
    PENT  HL    0.3 286  P       04:42:49.80  -1.2 A  1.0  PENT 
    GR15  1Y    0.4 240  P       04:42:52.17  -0.4 A  1.0  GR15 
    GR10  1Y    0.4  16  P       04:42:52.56  -0.1 A  1.0  GR10 
    GR16  1Y    0.4 103  P       04:42:52.93   0.2 A  1.0  GR16 
    GR17  1Y    0.4 162  P       04:42:53.15  -0.1 A  1.0  GR17 
    NEST  HT    0.4 313  P       04:42:54.10   0.7 A  1.0  NEST 
    FLNA  HT    0.7 355  P       04:42:57.39   0.7 A  1.0  FLNA 
    THL   HL    0.7 143  P       04:42:57.85   0.6 A  1.0  THL  
    TETR  HL    0.8 190  P       04:42:59.34   0.8 A  1.0  TETR 
    GR20  1Y    0.9 166  P       04:43:02.18   1.9 A  1.0  GR20 
    MRKA  HA    2.2 130  P       04:43:15.06  -2.7 A  1.0  MRKA 

9 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    KPRO  HT    0.2 204  MLv     1.17 -0.41   0.355609      
    PENT  HL    0.3 286  MLv     1.59  0.01   0.463088      
    GR15  1Y    0.4 240  MLv     1.42 -0.16   0.201604      
    GR10  1Y    0.4  16  MLv     1.69  0.11   0.358997      
    GR16  1Y    0.4 103  MLv     1.40 -0.18   0.182737      
    GR17  1Y    0.4 162  MLv     1.43 -0.15   0.153132      
    NEST  HT    0.4 313  MLv     1.95  0.37   0.461404      
    FLNA  HT    0.7 355  MLv     1.75  0.18   0.122751      
    THL   HL    0.7 143  MLv     1.76  0.18   0.0709036