Earthquake Information
 Origin Time
2025-04-20 23:52:21 (GMT)
 Magnitude
M 1.8
 Latitude
36.7293° N
 Longitude
25.7093° E
 Focal Depth
2 km
 # of Arrivals
18
 Location 42.6 km NE of Thira
51.3 km SE of Naxos
223.5 km SE of Athens
 Solution type
automatic
 Files / Links
QuakeML  GSE2.0  Alert  .phi  
  

  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
ANYDHT11.4194 P23:52:22.66 -0.51.0A
AMGAHL20.0 55 P23:52:24.55 0.01.0A
IOSIHA37.5269 P23:52:27.58 0.01.0A
APEHL41.6337 P23:52:28.38 0.21.0A
SNT1HA42.9216 P23:52:29.30 0.91.0A
THERAHL45.4207 P23:52:28.06 -0.81.0A
SANTHL45.7209 P23:52:28.40 -0.51.0A
SNT5HA45.8218 P23:52:28.68 -0.21.0A
SAP3HL46.1225 P23:52:28.76 -0.21.0A
AKROHT49.8214 P23:52:30.64 1.01.0A
ASTAHL60.4109 P23:52:30.56 -0.91.0A
CHRIHT69.7220 P23:52:32.84 -0.11.0A
SERIHA118.9294 P23:52:41.58 0.51.0A
THNOHC119.5330 P23:52:41.39 0.21.0A
SMGHL147.4 42 P23:52:46.30 1.11.0A
NPSHL163.5183 P23:52:47.60 0.21.0A
KNSSHC165.5197 P23:52:48.88 1.21.0A
VILLHA265.0308 P23:52:58.82 -2.01.0A


  Solution details

Event:
    Public ID              nkua2025hszc
    Description
      region name: Dodecanese Islands, Greece
Origin:
    Date                   2025-04-20
    Time                  23:52:20.77  +/-    0.3 s
    Latitude              36.7293 deg  +/-      2 km
    Longitude             25.7093 deg  +/-      3 km
    Depth                       2 km
    Agency                 HA
    Mode                   automatic
    Status                 NOT SET
    Residual RMS             0.77 s
    Azimuthal gap              74 deg

2 Network magnitudes:
    MLv       1.77 +/- 0.23  10            
    M         1.77           10 preferred  

18 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    ANYD  HT    0.1 194  P       23:52:22.66  -0.5 A  1.0  ANYD 
    AMGA  HL    0.2  55  P       23:52:24.55  -0.0 A  1.0  AMGA 
    IOSI  HA    0.3 269  P       23:52:27.58   0.0 A  1.0  IOSI 
    APE   HL    0.4 337  P       23:52:28.38   0.2 A  1.0  APE  
    SNT1  HA    0.4 216  P       23:52:29.30   0.9 A  1.0  SNT1 
    THERA HL    0.4 207  P       23:52:28.06  -0.8 A  1.0  THERA
    SANT  HL    0.4 209  P       23:52:28.40  -0.5 A  1.0  SANT 
    SNT5  HA    0.4 218  P       23:52:28.68  -0.2 A  1.0  SNT5 
    SAP3  HL    0.4 225  P       23:52:28.76  -0.2 A  1.0  SAP3 
    AKRO  HT    0.4 214  P       23:52:30.64   1.0 A  1.0  AKRO 
    ASTA  HL    0.5 109  P       23:52:30.56  -0.9 A  1.0  ASTA 
    CHRI  HT    0.6 220  P       23:52:32.84  -0.1 A  1.0  CHRI 
    SERI  HA    1.1 294  P       23:52:41.58   0.5 A  1.0  SERI 
    THNO  HC    1.1 330  P       23:52:41.39   0.2 A  1.0  THNO 
    SMG   HL    1.3  42  P       23:52:46.30   1.1 A  1.0  SMG  
    NPS   HL    1.5 183  P       23:52:47.60   0.2 A  1.0  NPS  
    KNSS  HC    1.5 197  P       23:52:48.88   1.2 A  1.0  KNSS 
    VILL  HA    2.4 308  P       23:52:58.82  -2.0 A  1.0  VILL 

12 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    ANYD  HT    0.1 194  MLv     1.91  0.15    3.37992      
    AMGA  HL    0.2  55  MLv     2.04  0.27    2.75733      
    IOSI  HA    0.3 269  MLv     1.59 -0.18   0.358392      
    APE   HL    0.4 337  MLv     1.42 -0.35   0.189026      
    SNT1  HA    0.4 216  MLv     1.39 -0.38   0.110153      
    THERA HL    0.4 207  MLv     1.68 -0.09    0.28072      
    SANT  HL    0.4 209  MLv     2.20  0.43   0.684423      
    SNT5  HA    0.4 218  MLv     1.45 -0.31   0.162145      
    SAP3  HL    0.4 225  MLv     1.65 -0.12   0.417377      
    AKRO  HT    0.4 214  MLv     2.23  0.46   0.768741      
    ASTA  HL    0.5 109  MLv     1.86  0.09   0.178093      
    CHRI  HT    0.6 220  MLv     1.91  0.15   0.183959