Earthquake Information
 Origin Time
2020-07-31 11:44:09 (GMT)
 Magnitude
M 1.7
 Latitude
38.1627° N
 Longitude
23.9712° E
 Focal Depth
7 km
 # of Arrivals
30
 Location 28.8 km NE of Athens
46.6 km SE of Chalkida
91.9 km WNW of Andros
 Solution type
manual
 Files / Links
QuakeML  GSE2.0  Alert  .phi  
  

  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
DIONHL10.0200 P11:44:12.84 0.51.0M
DIONHL10.0200 S11:44:14.85 0.61.0M
PTLHL15.9216 P11:44:13.56 0.31.0M
PTLHL15.9216 S11:44:15.63 -0.21.0M
ATHUHA27.3217 P11:44:15.20 0.11.0M
ATHUHA27.3217 S11:44:18.56 -0.51.0M
ATHHL30.6227 P11:44:15.81 0.21.0M
ATHHL30.6227 S11:44:19.68 -0.31.0M
NOACHL30.6227 P11:44:15.86 0.21.0M
NOACHL30.6227 S11:44:19.89 -0.11.0M
VLYHL37.8204 P11:44:17.09 0.21.0M
VLYHL37.8204 S11:44:21.54 -0.61.0M
KARYHA43.3110 P11:44:17.96 0.21.0M
KARYHA43.3110 S11:44:23.51 -0.21.0M
MAGUHA41.1257 P11:44:17.29 -0.11.0M
MAGUHA41.1257 S11:44:22.55 -0.51.0M
KYMIHL53.5 12 P11:44:19.33 -0.11.0M
KYMIHL53.5 12 S11:44:26.27 -0.31.0M
VILLHA57.6270 P11:44:19.96 -0.21.0M
VILLHA57.6270 S11:44:27.57 -0.41.0M
LOUTHA89.4257 P11:44:25.66 0.31.0M
LOUTHA89.4257 S11:44:37.03 0.01.0M
LTKHP89.2260 P11:44:25.63 0.31.0M
LTKHP89.2260 S11:44:37.05 0.11.0M
LKRHL100.5302 P11:44:26.53 -0.51.0M
LKRHL100.5302 S11:44:40.27 0.21.0M
AOS2HT110.1354 P11:44:29.25 0.71.0M
AOS2HT110.1354 S11:44:42.65 0.01.0M
GURHP144.8260 P11:44:33.92 -0.21.0M
GURHP144.8260 S11:44:52.68 0.21.0M


  Solution details

Event:
    Public ID              nkua2020oyfw
    Type                   earthquake
    Description
      region name: Greece
Origin:
    Date                   2020-07-31
    Time                  11:44:09.91
    Latitude              38.1627 deg  +/-      0 km
    Longitude             23.9712 deg  +/-      0 km
    Depth                       7 km   +/-    2 km
    Agency                 HA
    Author                 A.Karakonstantis
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.31 s
    Azimuthal gap              97 deg

2 Network magnitudes:
    MLv       1.74 +/- 0.20  13            
    M         1.74           13 preferred  

30 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    DION  HL    0.1 200  P       11:44:12.84   0.5 M  1.0  DION 
    DION  HL    0.1 200  S       11:44:14.85   0.6 M  1.0  DION 
    PTL   HL    0.1 216  P       11:44:13.56   0.3 M  1.0  PTL  
    PTL   HL    0.1 216  S       11:44:15.63  -0.2 M  1.0  PTL  
    ATHU  HA    0.2 217  P       11:44:15.20   0.1 M  1.0  ATHU 
    ATHU  HA    0.2 217  S       11:44:18.56  -0.5 M  1.0  ATHU 
    ATH   HL    0.3 227  P       11:44:15.81   0.2 M  1.0  ATH  
    ATH   HL    0.3 227  S       11:44:19.68  -0.3 M  1.0  ATH  
    NOAC  HL    0.3 227  P       11:44:15.86   0.2 M  1.0  NOAC 
    NOAC  HL    0.3 227  S       11:44:19.89  -0.1 M  1.0  NOAC 
    VLY   HL    0.3 204  P       11:44:17.09   0.2 M  1.0  VLY  
    VLY   HL    0.3 204  S       11:44:21.54  -0.6 M  1.0  VLY  
    MAGU  HA    0.4 257  P       11:44:17.29  -0.1 M  1.0  MAGU 
    MAGU  HA    0.4 257  S       11:44:22.55  -0.5 M  1.0  MAGU 
    KARY  HA    0.4 110  P       11:44:17.96   0.2 M  1.0  KARY 
    KARY  HA    0.4 110  S       11:44:23.51  -0.2 M  1.0  KARY 
    KYMI  HL    0.5  12  P       11:44:19.33  -0.1 M  1.0  KYMI 
    KYMI  HL    0.5  12  S       11:44:26.27  -0.3 M  1.0  KYMI 
    VILL  HA    0.5 270  P       11:44:19.96  -0.2 M  1.0  VILL 
    VILL  HA    0.5 270  S       11:44:27.57  -0.4 M  1.0  VILL 
    LTK   HP    0.8 260  P       11:44:25.63   0.3 M  1.0  LTK  
    LTK   HP    0.8 260  S       11:44:37.05   0.1 M  1.0  LTK  
    LOUT  HA    0.8 257  P       11:44:25.66   0.3 M  1.0  LOUT 
    LOUT  HA    0.8 257  S       11:44:37.03   0.0 M  1.0  LOUT 
    LKR   HL    0.9 302  P       11:44:26.53  -0.5 M  1.0  LKR  
    LKR   HL    0.9 302  S       11:44:40.27   0.2 M  1.0  LKR  
    AOS2  HT    1.0 354  P       11:44:29.25   0.7 M  1.0  AOS2 
    AOS2  HT    1.0 354  S       11:44:42.65   0.0 M  1.0  AOS2 
    GUR   HP    1.3 260  P       11:44:33.92  -0.2 M  1.0  GUR  
    GUR   HP    1.3 260  S       11:44:52.68   0.2 M  1.0  GUR  

15 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    DION  HL    0.1 200  MLv     1.41 -0.32    3.25046      
    PTL   HL    0.1 216  MLv     1.52 -0.22    1.04781      
    ATHU  HA    0.2 217  MLv     1.95  0.22   0.920138      
    ATH   HL    0.3 227  MLv     1.68 -0.05   0.660701      
    NOAC  HL    0.3 227  MLv     1.71 -0.03   0.702569      
    VLY   HL    0.3 204  MLv     2.10  0.36    1.13091      
    MAGU  HA    0.4 257  MLv     1.73 -0.01   0.397123      
    KARY  HA    0.4 110  MLv     1.97  0.24   0.620108      
    KYMI  HL    0.5  12  MLv     1.52 -0.21   0.121618      
    VILL  HA    0.5 270  MLv     1.57 -0.16   0.108015      
    LTK   HP    0.8 260  MLv     1.55 -0.19   0.240662      
    LOUT  HA    0.8 257  MLv     2.19  0.45   0.276961      
    LKR   HL    0.9 302  MLv     2.15  0.41   0.118608      
    AOS2  HT    1.0 354  MLv     1.61 -0.13   0.0570676      
    GUR   HP    1.3 260  MLv     1.68 -0.06   0.0452879