Earthquake Information
 Origin Time
2025-04-19 04:28:33 (GMT)
 Magnitude
M 1.5
 Latitude
40.1086° N
 Longitude
21.4432° E
 Focal Depth
10 km
 # of Arrivals
12
 Location 3.6 km NE of Grevena
34.1 km SW of Kozani
308.1 km NW of Athens
 Solution type
automatic
 Files / Links
QuakeML  GSE2.0  Alert  .phi  
  

  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
KPROHT18.4202 P04:28:37.52 0.31.0A
PENTHL27.7291 P04:28:37.83 -0.81.0A
GR151Y38.5241 P04:28:40.13 -0.21.0A
GR161Y42.8100 P04:28:41.04 0.01.0A
GR101Y43.6 17 P04:28:40.48 -0.71.0A
GR171Y44.6159 P04:28:41.34 0.01.0A
NESTHT47.7316 P04:28:42.20 0.41.0A
PRMDHP70.8205 P04:28:45.07 -0.31.0A
FLNAHT74.9356 P04:28:45.41 -0.61.0A
GR141Y77.2253 P04:28:47.37 0.91.0A
THLHL77.7141 P04:28:45.86 -0.61.0A
KKBBS239.1 36 P04:29:10.01 1.51.0A


  Solution details

Event:
    Public ID              nkua2025hpre
    Description
      region name: Greece
Origin:
    Date                   2025-04-19
    Time                  04:28:32.60  +/-    0.3 s
    Latitude              40.1086 deg  +/-      3 km
    Longitude             21.4432 deg  +/-      3 km
    Depth                      10 km
    Agency                 HA
    Mode                   automatic
    Status                 NOT SET
    Residual RMS             0.68 s
    Azimuthal gap              64 deg

2 Network magnitudes:
    MLv       1.54 +/- 0.14   9            
    M         1.54            9 preferred  

12 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    KPRO  HT    0.2 202  P       04:28:37.52   0.3 A  1.0  KPRO 
    PENT  HL    0.2 291  P       04:28:37.83  -0.8 A  1.0  PENT 
    GR15  1Y    0.3 241  P       04:28:40.13  -0.2 A  1.0  GR15 
    GR16  1Y    0.4 100  P       04:28:41.04   0.0 A  1.0  GR16 
    GR10  1Y    0.4  17  P       04:28:40.48  -0.7 A  1.0  GR10 
    GR17  1Y    0.4 159  P       04:28:41.34   0.0 A  1.0  GR17 
    NEST  HT    0.4 316  P       04:28:42.20   0.4 A  1.0  NEST 
    PRMD  HP    0.6 205  P       04:28:45.07  -0.3 A  1.0  PRMD 
    FLNA  HT    0.7 356  P       04:28:45.41  -0.6 A  1.0  FLNA 
    GR14  1Y    0.7 253  P       04:28:47.37   0.9 A  1.0  GR14 
    THL   HL    0.7 141  P       04:28:45.86  -0.6 A  1.0  THL  
    KKB   BS    2.2  36  P       04:29:10.01   1.5 A  1.0  KKB  

11 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    KPRO  HT    0.2 202  MLv     1.16 -0.38   0.399073      
    PENT  HL    0.2 291  MLv     1.43 -0.11   0.334085      
    GR15  1Y    0.3 241  MLv     1.33 -0.20   0.186803      
    GR16  1Y    0.4 100  MLv     1.45 -0.09   0.190945      
    GR10  1Y    0.4  17  MLv     1.66  0.13   0.297678      
    GR17  1Y    0.4 159  MLv     1.36 -0.18   0.138249      
    NEST  HT    0.4 316  MLv     1.87  0.33   0.375582      
    PRMD  HP    0.6 205  MLv     1.66  0.13   0.102474      
    FLNA  HT    0.7 356  MLv     1.67  0.13   0.0981464      
    GR14  1Y    0.7 253  MLv     1.55  0.01   0.0733909      
    THL   HL    0.7 141  MLv     1.72  0.18   0.0648508