Earthquake Information
 Origin Time
 2026-10-20 23:58:42 (GMT)
 Magnitude
 M 1.6
 Latitude
 38.4344° N
 Longitude
 25.3794° E
 Focal Depth
 2 km
 # of Arrivals
 10
 Location 66.3 km W of Chios
77.4 km NNE of Andros
152.3 km ENE of Athens
 Solution type
 manual
 Files / Links
 QuakeML  GSE2.0  Alert  .phi  
  

  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
CHOSHT58.7 95 P23:58:52.70 -0.11.0M
CHOSHT58.7 95 S23:58:59.78 0.01.0M
ADROHA79.5216 P23:58:56.54 0.31.0M
ADROHA79.5216 S23:59:05.57 -0.31.0M
SKYROHL89.2306 P23:58:58.07 0.21.0M
SKYROHL89.2306 S23:59:08.53 -0.21.0M
KARYHA93.7242 P23:58:58.88 0.21.0M
KARYHA93.7242 S23:59:09.93 -0.11.0M
SIGRHT95.7 25 P23:58:58.61 -0.41.0M
SIGRHT95.7 25 S23:59:10.73 0.21.0M


  Solution details 

Event:
    Public ID              nkua2026upij
    Description
      region name: Aegean Sea
Origin:
    Date                   2026-10-20
    Time                  23:58:42.41  +/-    0.3 s
    Latitude              38.4344 deg  +/-      2 km
    Longitude             25.3794 deg  +/-      2 km
    Depth                       2 km
    Agency                 HA
    Author                 K. Pavlou
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.21 s
    Azimuthal gap             122 deg

2 Network magnitudes:
    MLv       1.55 +/- 0.26   5            
    M         1.55            5 preferred  

10 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    CHOS  HT    0.5  95  P       23:58:52.70  -0.1 M  1.0  CHOS 
    CHOS  HT    0.5  95  S       23:58:59.78   0.0 M  1.0  CHOS 
    ADRO  HA    0.7 216  P       23:58:56.54   0.3 M  1.0  ADRO 
    ADRO  HA    0.7 216  S       23:59:05.57  -0.3 M  1.0  ADRO 
    SKYRO HL    0.8 306  P       23:58:58.07   0.2 M  1.0  SKYRO
    SKYRO HL    0.8 306  S       23:59:08.53  -0.2 M  1.0  SKYRO
    KARY  HA    0.8 242  P       23:58:58.88   0.2 M  1.0  KARY 
    KARY  HA    0.8 242  S       23:59:09.93  -0.1 M  1.0  KARY 
    SIGR  HT    0.9  25  P       23:58:58.61  -0.4 M  1.0  SIGR 
    SIGR  HT    0.9  25  S       23:59:10.73   0.2 M  1.0  SIGR 

5 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    CHOS  HT    0.5  95  MLv     1.34 -0.20   0.0596447      
    ADRO  HA    0.7 216  MLv     1.80  0.26   0.127163      
    SKYRO HL    0.8 306  MLv     1.46 -0.09   0.0517073      
    KARY  HA    0.8 242  MLv     1.88  0.33   0.129249      
    SIGR  HT    0.9  25  MLv     1.30 -0.25   0.0330119