Earthquake Information
 Origin Time
 2020-10-18 20:21:48 (GMT)
 Magnitude
 M 0.8
 Latitude
 38.0848° N
 Longitude
 23.5708° E
 Focal Depth
 10 km
 # of Arrivals
 14
 Location 18.2 km NW of Athens
34.3 km SE of Thiva
42.2 km S of Chalkida
 Solution type
 manual
 Files / Links
 QuakeML  GSE2.0  Alert  .phi  
  

  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
MDRAHA9.5254 P20:21:50.76 0.01.0M
MDRAHA9.5254 S20:21:52.71 0.01.0M
STFNHA10.5347 P20:21:50.94 0.11.0M
STFNHA10.5347 S20:21:52.95 0.01.0M
ATHUHA22.9125 P20:21:52.94 0.21.0M
ATHUHA22.9125 S20:21:56.15 0.01.0M
VILLHA24.3291 P20:21:53.15 0.21.0M
VILLHA24.3291 S20:21:56.18 -0.51.0M
DIONHL31.7 91 P20:21:54.51 0.31.0M
DIONHL31.7 91 S20:21:58.57 -0.21.0M
VLYHL32.4143 P20:21:54.40 0.21.0M
VLYHL32.4143 S20:21:58.43 -0.41.0M
MRTHHA32.7 83 P20:21:54.38 0.11.0M
MRTHHA32.7 83 S20:21:58.62 -0.31.0M


  Solution details 

Event:
    Public ID              nkua2020unfs
    Type                   earthquake
    Description
      region name: Greece
Origin:
    Date                   2020-10-18
    Time                  20:21:48.15
    Latitude              38.0848 deg  +/-      1 km
    Longitude             23.5708 deg  +/-      1 km
    Depth                      10 km   +/-    2 km
    Agency                 HA
    Author                 A.Karakonstantis
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.20 s
    Azimuthal gap             111 deg

2 Network magnitudes:
    MLv       0.77 +/- 0.15   7            
    M         0.77            7 preferred  

14 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    MDRA  HA    0.1 254  P       20:21:50.76   0.0 M  1.0  MDRA 
    MDRA  HA    0.1 254  S       20:21:52.71   0.0 M  1.0  MDRA 
    STFN  HA    0.1 347  P       20:21:50.94   0.1 M  1.0  STFN 
    STFN  HA    0.1 347  S       20:21:52.95  -0.0 M  1.0  STFN 
    ATHU  HA    0.2 125  P       20:21:52.94   0.2 M  1.0  ATHU 
    ATHU  HA    0.2 125  S       20:21:56.15  -0.0 M  1.0  ATHU 
    VILL  HA    0.2 291  P       20:21:53.15   0.2 M  1.0  VILL 
    VILL  HA    0.2 291  S       20:21:56.18  -0.5 M  1.0  VILL 
    DION  HL    0.3  91  P       20:21:54.51   0.3 M  1.0  DION 
    DION  HL    0.3  91  S       20:21:58.57  -0.2 M  1.0  DION 
    VLY   HL    0.3 143  P       20:21:54.40   0.2 M  1.0  VLY  
    VLY   HL    0.3 143  S       20:21:58.43  -0.4 M  1.0  VLY  
    MRTH  HA    0.3  83  P       20:21:54.38   0.1 M  1.0  MRTH 
    MRTH  HA    0.3  83  S       20:21:58.62  -0.3 M  1.0  MRTH 

7 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    MDRA  HA    0.1 254  MLv     0.83  0.07   0.313498      
    STFN  HA    0.1 347  MLv     0.75 -0.01   0.246689      
    ATHU  HA    0.2 125  MLv     0.77  0.00   0.0772816      
    VILL  HA    0.2 291  MLv     0.55 -0.21   0.0705022      
    DION  HL    0.3  91  MLv     0.52 -0.25   0.118894      
    VLY   HL    0.3 143  MLv     0.95  0.18    0.11029      
    MRTH  HA    0.3  83  MLv     0.94  0.17   0.104587