Earthquake Information
 Origin Time
 2026-10-21 04:30:41 (GMT)
 Magnitude
 M 1.1
 Latitude
 38.7101° N
 Longitude
 23.4463° E
 Focal Depth
 4 km
 # of Arrivals
 10
 Location 30.5 km NNW of Chalkida
39.4 km E of Atalanti
84.6 km NNW of Athens
 Solution type
 manual
 Files / Links
 QuakeML  GSE2.0  Alert  .phi  
  

  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
MRKAHA12.2 93 P04:30:44.04 -0.11.0M
MRKAHA12.2 93 S04:30:45.95 -0.11.0M
PSAHHA23.4132 P04:30:46.02 0.01.0M
PSAHHA23.4132 S04:30:49.45 0.11.0M
ATALHA36.9267 P04:30:48.08 -0.21.0M
ATALHA36.9267 S04:30:53.19 0.01.0M
LKRHL39.4260 P04:30:48.76 0.11.0M
LKRHL39.4260 S04:30:53.92 0.01.0M
AOS2HT59.6 35 P04:30:52.18 0.21.0M
AOS2HT59.6 35 S04:30:59.63 0.01.0M


  Solution details 

Event:
    Public ID              nkua2026uprh
    Description
      region name: Greece
Origin:
    Date                   2026-10-21
    Time                  04:30:41.37  +/-    0.6 s
    Latitude              38.7101 deg  +/-      3 km
    Longitude             23.4463 deg  +/-      2 km
    Depth                       4 km   +/-    3 km
    Agency                 HA
    Author                 K. Pavlou
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.11 s
    Azimuthal gap             129 deg

2 Network magnitudes:
    MLv       1.07 +/- 0.22   5            
    M         1.07            5 preferred  

10 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    MRKA  HA    0.1  93  P       04:30:44.04  -0.1 M  1.0  MRKA 
    MRKA  HA    0.1  93  S       04:30:45.95  -0.1 M  1.0  MRKA 
    PSAH  HA    0.2 132  P       04:30:46.02  -0.0 M  1.0  PSAH 
    PSAH  HA    0.2 132  S       04:30:49.45   0.1 M  1.0  PSAH 
    ATAL  HA    0.3 267  P       04:30:48.08  -0.2 M  1.0  ATAL 
    ATAL  HA    0.3 267  S       04:30:53.19   0.0 M  1.0  ATAL 
    LKR   HL    0.4 260  P       04:30:48.76   0.1 M  1.0  LKR  
    LKR   HL    0.4 260  S       04:30:53.92   0.0 M  1.0  LKR  
    AOS2  HT    0.5  35  P       04:30:52.18   0.2 M  1.0  AOS2 
    AOS2  HT    0.5  35  S       04:30:59.63   0.0 M  1.0  AOS2 

5 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    MRKA  HA    0.1  93  MLv     1.33  0.26   0.849248      
    PSAH  HA    0.2 132  MLv     0.86 -0.21   0.150073      
    ATAL  HA    0.3 267  MLv     0.86 -0.21   0.0691112      
    LKR   HL    0.4 260  MLv     1.05 -0.02   0.0495789      
    AOS2  HT    0.5  35  MLv     1.24  0.17   0.0451994