Earthquake Information
 Origin Time
2026-10-21 05:04:53 (GMT)
 Magnitude
M 2.1
 Latitude
38.4212° N
 Longitude
25.4001° E
 Focal Depth
12 km
 # of Arrivals
16
 Location 64.4 km W of Chios
77.1 km NNE of Andros
153.6 km ENE of Athens
 Solution type
manual
 Files / Links
QuakeML  GSE2.0  Alert  .phi  
  

  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
CHOSHT56.8 94 P05:05:03.87 0.11.0M
CHOSHT56.8 94 S05:05:11.30 -0.41.0M
ADROHA79.5218 P05:05:07.53 0.31.0M
ADROHA79.5218 S05:05:17.74 0.11.0M
SKYROHL91.6306 P05:05:09.37 0.31.0M
SKYROHL91.6306 S05:05:20.75 -0.11.0M
KARYHA94.6243 P05:05:09.64 0.11.0M
KARYHA94.6243 S05:05:21.34 -0.31.0M
SIGRHT96.3 24 P05:05:09.72 -0.11.0M
SIGRHT96.3 24 S05:05:22.17 0.11.0M
ELEOHA103.0258 P05:05:11.04 0.21.0M
ELEOHA103.0258 S05:05:23.49 -0.41.0M
SERIHA161.6210 P05:05:18.86 0.11.0M
SERIHA161.6210 S05:05:38.48 0.41.0M
KTHAHL317.2221 P05:05:38.26 0.01.0M
KTHAHL317.2221 S05:06:13.00 -0.41.0M


  Solution details

Event:
    Public ID              nkua2026upsl
    Description
      region name: Aegean Sea
Origin:
    Date                   2026-10-21
    Time                  05:04:53.00  +/-    0.3 s
    Latitude              38.4212 deg  +/-      2 km
    Longitude             25.4001 deg  +/-      2 km
    Depth                      12 km   +/-    4 km
    Agency                 HA
    Author                 K. Pavlou
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.25 s
    Azimuthal gap             117 deg

2 Network magnitudes:
    MLv       2.07 +/- 0.24   6            
    M         2.07            6 preferred  

16 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    CHOS  HT    0.5  94  P       05:05:03.87   0.1 M  1.0  CHOS 
    CHOS  HT    0.5  94  S       05:05:11.30  -0.4 M  1.0  CHOS 
    ADRO  HA    0.7 218  P       05:05:07.53   0.3 M  1.0  ADRO 
    ADRO  HA    0.7 218  S       05:05:17.74   0.1 M  1.0  ADRO 
    SKYRO HL    0.8 306  P       05:05:09.37   0.3 M  1.0  SKYRO
    SKYRO HL    0.8 306  S       05:05:20.75  -0.1 M  1.0  SKYRO
    KARY  HA    0.9 243  P       05:05:09.64   0.1 M  1.0  KARY 
    KARY  HA    0.9 243  S       05:05:21.34  -0.3 M  1.0  KARY 
    SIGR  HT    0.9  24  P       05:05:09.72  -0.1 M  1.0  SIGR 
    SIGR  HT    0.9  24  S       05:05:22.17   0.1 M  1.0  SIGR 
    ELEO  HA    0.9 258  P       05:05:11.04   0.2 M  1.0  ELEO 
    ELEO  HA    0.9 258  S       05:05:23.49  -0.4 M  1.0  ELEO 
    SERI  HA    1.5 210  P       05:05:18.86   0.1 M  1.0  SERI 
    SERI  HA    1.5 210  S       05:05:38.48   0.4 M  1.0  SERI 
    KTHA  HL    2.9 221  P       05:05:38.26  -0.0 M  1.0  KTHA 
    KTHA  HL    2.9 221  S       05:06:13.00  -0.4 M  1.0  KTHA 

8 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    CHOS  HT    0.5  94  MLv     1.89 -0.18   0.234326      
    ADRO  HA    0.7 218  MLv     2.29  0.21   0.388406      
    SKYRO HL    0.8 306  MLv     1.75 -0.33   0.0975568      
    KARY  HA    0.9 243  MLv     2.49  0.42   0.525387      
    SIGR  HT    0.9  24  MLv     1.84 -0.23   0.114951      
    ELEO  HA    0.9 258  MLv     1.89 -0.19   0.118373      
    SERI  HA    1.5 210  MLv     2.12  0.04   0.102466      
    KTHA  HL    2.9 221  MLv     2.42  0.35   0.0344058