Earthquake Information
 Origin Time
2025-08-11 21:16:27 (GMT)
 Magnitude
M 1.8
 Latitude
39.9661° N
 Longitude
23.4709° E
 Focal Depth
10 km
 # of Arrivals
11
 Location 45.5 km S of Poliyiros
73.4 km WSW of Kariai
221.6 km N of Athens
 Solution type
automatic
 Files / Links
QuakeML  GSE2.0  Alert  .phi  
  

  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
PAIGHT17.9101 P21:16:30.34 -1.01.0A
PLGHL45.1357 P21:16:34.04 -1.61.0A
OURHT59.7 47 P21:16:37.45 -0.41.0A
GR181Y73.4249 P21:16:39.96 -0.11.0A
HMT1HT73.6 64 P21:16:40.94 0.81.0A
HORTHT77.0336 P21:16:39.58 -1.01.0A
GR091Y79.3 13 P21:16:41.10 0.11.0A
LITHT84.9281 P21:16:43.43 1.51.0A
KOKKHT104.7 25 P21:16:46.04 1.11.0A
TYRNHT109.5255 P21:16:45.35 -0.41.0A
KAVAHT144.3 37 P21:16:51.62 1.11.0A


  Solution details

Event:
    Public ID              nkua2025prfu
    Description
      region name: Aegean Sea
Origin:
    Date                   2025-08-11
    Time                  21:16:26.86  +/-    0.4 s
    Latitude              39.9661 deg  +/-      4 km
    Longitude             23.4709 deg  +/-      3 km
    Depth                      10 km
    Agency                 HA
    Mode                   automatic
    Status                 NOT SET
    Residual RMS             0.98 s
    Azimuthal gap             149 deg

2 Network magnitudes:
    MLv       1.81 +/- 0.21   9            
    M         1.81            9 preferred  

11 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    PAIG  HT    0.2 101  P       21:16:30.34  -1.0 A  1.0  PAIG 
    PLG   HL    0.4 357  P       21:16:34.04  -1.6 A  1.0  PLG  
    OUR   HT    0.5  47  P       21:16:37.45  -0.4 A  1.0  OUR  
    GR18  1Y    0.7 249  P       21:16:39.96  -0.1 A  1.0  GR18 
    HMT1  HT    0.7  64  P       21:16:40.94   0.8 A  1.0  HMT1 
    HORT  HT    0.7 336  P       21:16:39.58  -1.0 A  1.0  HORT 
    GR09  1Y    0.7  13  P       21:16:41.10   0.1 A  1.0  GR09 
    LIT   HT    0.8 281  P       21:16:43.43   1.5 A  1.0  LIT  
    KOKK  HT    0.9  25  P       21:16:46.04   1.1 A  1.0  KOKK 
    TYRN  HT    1.0 255  P       21:16:45.35  -0.4 A  1.0  TYRN 
    KAVA  HT    1.3  37  P       21:16:51.62   1.1 A  1.0  KAVA 

11 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    PAIG  HT    0.2 101  MLv     1.27 -0.55   0.400605      
    PLG   HL    0.4 357  MLv     1.86  0.05   0.422728      
    OUR   HT    0.5  47  MLv     2.09  0.28   0.319359      
    GR18  1Y    0.7 249  MLv     1.64 -0.17   0.0934972      
    HMT1  HT    0.7  64  MLv     2.00  0.18   0.212731      
    HORT  HT    0.7 336  MLv     2.12  0.31   0.182925      
    GR09  1Y    0.7  13  MLv     2.29  0.48   0.392929      
    LIT   HT    0.8 281  MLv     1.56 -0.25   0.0492338      
    KOKK  HT    0.9  25  MLv     1.84  0.03   0.103185      
    TYRN  HT    1.0 255  MLv     1.61 -0.20   0.0448889      
    KAVA  HT    1.3  37  MLv     1.62 -0.19   0.083177