Earthquake Information
 Origin Time
 2026-04-20 16:03:48 (GMT)
 Magnitude
 M 1.8
 Latitude
 40.1279° N
 Longitude
 21.5627° E
 Focal Depth
 2 km
 # of Arrivals
 12
 Location 13.4 km ENE of Grevena
26.3 km SSW of Kozani
303.3 km NW of Athens
 Solution type
 automatic
 Files / Links
 QuakeML  GSE2.0  Alert  .phi  
  

  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
KPROHT25.7222 P16:03:52.41 -0.11.0A
GR161Y33.4107 P16:03:54.15 0.31.0A
PENTHL36.9282 P16:03:53.81 -0.61.0A
GR101Y39.6 4 P16:03:54.50 -0.31.0A
GR171Y44.2172 P16:03:55.94 0.31.0A
NESTHT54.0306 P16:03:58.41 1.11.0A
GR111Y68.9 50 P16:03:59.92 0.11.0A
THLHL73.6148 P16:03:59.98 -0.61.0A
TYRNHT73.6129 P16:04:00.39 -0.21.0A
FLNAHT74.1348 P16:04:00.28 -0.41.0A
TETRHL90.5196 P16:04:03.27 -0.11.0A
AGGHT139.8151 P16:04:11.46 0.41.0A


  Solution details 

Event:
    Public ID              nkua2026hsjq
    Description
      region name: Greece
Origin:
    Date                   2026-04-20
    Time                  16:03:47.74  +/-    0.3 s
    Latitude              40.1279 deg  +/-      2 km
    Longitude             21.5627 deg  +/-      3 km
    Depth                       2 km
    Agency                 HA
    Mode                   automatic
    Status                 NOT SET
    Residual RMS             0.47 s
    Azimuthal gap              60 deg

2 Network magnitudes:
    MLv       1.82 +/- 0.09   8            
    M         1.82            8 preferred  

12 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    KPRO  HT    0.2 222  P       16:03:52.41  -0.1 A  1.0  KPRO 
    GR16  1Y    0.3 107  P       16:03:54.15   0.3 A  1.0  GR16 
    PENT  HL    0.3 282  P       16:03:53.81  -0.6 A  1.0  PENT 
    GR10  1Y    0.4   4  P       16:03:54.50  -0.3 A  1.0  GR10 
    GR17  1Y    0.4 172  P       16:03:55.94   0.3 A  1.0  GR17 
    NEST  HT    0.5 306  P       16:03:58.41   1.1 A  1.0  NEST 
    GR11  1Y    0.6  50  P       16:03:59.92   0.1 A  1.0  GR11 
    THL   HL    0.7 148  P       16:03:59.98  -0.6 A  1.0  THL  
    TYRN  HT    0.7 129  P       16:04:00.39  -0.2 A  1.0  TYRN 
    FLNA  HT    0.7 348  P       16:04:00.28  -0.4 A  1.0  FLNA 
    TETR  HL    0.8 196  P       16:04:03.27  -0.1 A  1.0  TETR 
    AGG   HT    1.3 151  P       16:04:11.46   0.4 A  1.0  AGG  

10 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    KPRO  HT    0.2 222  MLv     1.43 -0.39   0.493058      
    GR16  1Y    0.3 107  MLv     1.75 -0.07    0.65262      
    PENT  HL    0.3 282  MLv     1.79 -0.03   0.460835      
    GR10  1Y    0.4   4  MLv     1.90  0.08   0.649843      
    GR17  1Y    0.4 172  MLv     1.70 -0.12   0.316336      
    NEST  HT    0.5 306  MLv     1.94  0.12   0.309544      
    GR11  1Y    0.6  50  MLv     1.71 -0.11   0.116547      
    THL   HL    0.7 148  MLv     1.92  0.10   0.108997      
    TYRN  HT    0.7 129  MLv     2.31  0.49   0.340658      
    FLNA  HT    0.7 348  MLv     1.85  0.02   0.150001