Earthquake Information
 Origin Time
 2025-04-20 20:19:05 (GMT)
 Magnitude
 M 1.5
 Latitude
 40.2738° N
 Longitude
 24.0953° E
 Focal Depth
 7 km
 # of Arrivals
 14
 Location 13.4 km WNW of Kariai
56.8 km E of Poliyiros
256.6 km N of Athens
 Solution type
 automatic
 Files / Links
 QuakeML  GSE2.0  Alert  .phi  
  

  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
OURHT11.7304 P20:19:08.28 -0.11.0A
HMT1HT13.0 98 P20:19:08.88 0.31.0A
PAIGHT51.7224 P20:19:15.37 0.61.0A
GR091Y55.1321 P20:19:15.24 -0.11.0A
PLGHL56.3282 P20:19:15.28 -0.31.0A
KOKKHT61.0352 P20:19:16.08 -0.21.0A
THASHT64.5 55 P20:19:16.24 -0.61.0A
KAVAHT87.5 24 P20:19:20.89 0.31.0A
HORTHT91.7293 P20:19:21.11 -0.21.0A
GR041Y107.5 43 P20:19:24.13 0.31.0A
PRASHL125.9 18 P20:19:26.57 0.11.0A
GR141Y302.0263 P20:19:51.23 1.81.0A
MSL1HI312.2228 P20:19:48.75 -1.81.0A


  Solution details 

Event:
    Public ID              nkua2025hssb
    Description
      region name: Aegean Sea
Origin:
    Date                   2025-04-20
    Time                  20:19:05.26  +/-    0.4 s
    Latitude              40.2738 deg  +/-      3 km
    Longitude             24.0953 deg  +/-      3 km
    Depth                       7 km   +/-    3 km
    Agency                 HA
    Mode                   automatic
    Status                 NOT SET
    Residual RMS             0.78 s
    Azimuthal gap             126 deg

2 Network magnitudes:
    MLv       1.53 +/- 0.26   8            
    M         1.53            8 preferred  

14 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    OUR   HT    0.1 304  P       20:19:08.28  -0.1 A  1.0  OUR  
    HMT1  HT    0.1  98  P       20:19:08.88   0.3 A  1.0  HMT1 
    PAIG  HT    0.5 224  P       20:19:15.37   0.6 A  1.0  PAIG 
    GR09  1Y    0.5 321  P       20:19:15.24  -0.1 A  1.0  GR09 
    PLG   HL    0.5 282  P       20:19:15.28  -0.3 A  1.0  PLG  
    KOKK  HT    0.5 352  P       20:19:16.08  -0.2 A  1.0  KOKK 
    THAS  HT    0.6  55  P       20:19:16.24  -0.6 A  1.0  THAS 
    KAVA  HT    0.8  24  P       20:19:20.89   0.3 A  1.0  KAVA 
    HORT  HT    0.8 293  P       20:19:21.11  -0.2 A  1.0  HORT 
    GR04  1Y    1.0  43  P       20:19:24.13   0.3 A  1.0  GR04 
    PRAS  HL    1.1  18  P       20:19:26.57   0.1 A  1.0  PRAS 
    GR14  1Y    2.7 263  P       20:19:51.23   1.8 A  1.0  GR14 
    MSL1  HI    2.8 228  P       20:19:48.75  -1.8 A  1.0  MSL1 
    VLX   HP    3.2 205  P       20:19:59.65   3.8 AX 0.0  VLX  

10 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    OUR   HT    0.1 304  MLv     1.53  0.00    1.37818      
    HMT1  HT    0.1  98  MLv     1.47 -0.06    1.11344      
    PAIG  HT    0.5 224  MLv     1.45 -0.08   0.0876211      
    GR09  1Y    0.5 321  MLv     1.86  0.33     0.2423      
    PLG   HL    0.5 282  MLv     1.27 -0.26   0.0575794      
    KOKK  HT    0.5 352  MLv     1.30 -0.23    0.05006      
    THAS  HT    0.6  55  MLv     2.10  0.57   0.303423      
    KAVA  HT    0.8  24  MLv     1.31 -0.22   0.0784471      
    HORT  HT    0.8 293  MLv     1.34 -0.19   0.025738      
    GR04  1Y    1.0  43  MLv     2.04  0.51   0.158771