Earthquake Information
 Origin Time
 2020-09-23 18:36:40 (GMT)
 Magnitude
 M 1.8
 Latitude
 38.1898° N
 Longitude
 24.1865° E
 Focal Depth
 11 km
 # of Arrivals
 14
 Location 45.8 km ENE of Athens
59.6 km ESE of Chalkida
76.5 km WNW of Andros
 Solution type
 manual

  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
MRTHHA22.7251 P18:36:44.77 0.21.0M
MRTHHA22.7251 S18:36:48.02 -0.11.0M
PTLHL32.4241 P18:36:46.29 0.11.0M
PTLHL32.4241 S18:36:50.50 -0.41.0M
ATHHL47.6240 P18:36:48.74 0.21.0M
ATHHL47.6240 S18:36:54.92 -0.11.0M
VLYHL50.9223 P18:36:49.46 0.41.0M
VLYHL50.9223 S18:36:55.41 -0.61.0M
AOS2HT110.6344 P18:36:58.27 -0.21.0M
AOS2HT110.6344 S18:37:12.16 -0.41.0M
LKRHL115.4296 P18:36:59.52 0.21.0M
LKRHL115.4296 S18:37:14.02 0.11.0M
ATALHA115.9299 P18:36:59.70 0.31.0M
ATALHA115.9299 S18:37:14.32 0.21.0M


  Solution details 

Event:
    Public ID              nkua2020stkq
    Type                   earthquake
    Description
      region name: Aegean Sea
Origin:
    Date                   2020-09-23
    Time                  18:36:40.03
    Latitude              38.1898 deg  +/-      1 km
    Longitude             24.1865 deg  +/-      1 km
    Depth                      11 km   +/-    2 km
    Agency                 HA
    Author                 A.Karakonstantis
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.27 s
    Azimuthal gap             238 deg

2 Network magnitudes:
    MLv       1.76 +/- 0.19   7            
    M         1.76            7 preferred  

14 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    MRTH  HA    0.2 251  P       18:36:44.77   0.2 M  1.0  MRTH 
    MRTH  HA    0.2 251  S       18:36:48.02  -0.1 M  1.0  MRTH 
    PTL   HL    0.3 241  P       18:36:46.29   0.1 M  1.0  PTL  
    PTL   HL    0.3 241  S       18:36:50.50  -0.4 M  1.0  PTL  
    ATH   HL    0.4 240  P       18:36:48.74   0.2 M  1.0  ATH  
    ATH   HL    0.4 240  S       18:36:54.92  -0.1 M  1.0  ATH  
    VLY   HL    0.5 223  P       18:36:49.46   0.4 M  1.0  VLY  
    VLY   HL    0.5 223  S       18:36:55.41  -0.6 M  1.0  VLY  
    AOS2  HT    1.0 344  P       18:36:58.27  -0.2 M  1.0  AOS2 
    AOS2  HT    1.0 344  S       18:37:12.16  -0.4 M  1.0  AOS2 
    LKR   HL    1.0 296  P       18:36:59.52   0.2 M  1.0  LKR  
    LKR   HL    1.0 296  S       18:37:14.02   0.1 M  1.0  LKR  
    ATAL  HA    1.0 299  P       18:36:59.70   0.3 M  1.0  ATAL 
    ATAL  HA    1.0 299  S       18:37:14.32   0.2 M  1.0  ATAL 

7 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    MRTH  HA    0.2 251  MLv     1.29 -0.47   0.418378      
    PTL   HL    0.3 241  MLv     1.50 -0.25   0.394524      
    ATH   HL    0.4 240  MLv     1.80  0.05   0.328099      
    VLY   HL    0.5 223  MLv     1.84  0.09   0.296999      
    AOS2  HT    1.0 344  MLv     1.93  0.17   0.119531      
    LKR   HL    1.0 296  MLv     2.11  0.36   0.0920383      
    ATAL  HA    1.0 299  MLv     1.71 -0.05   0.0675378