Earthquake Information
 Origin Time
2021-07-24 20:43:50 (GMT)
 Magnitude
M 1.7
 Latitude
38.2300° N
 Longitude
23.9452° E
 Focal Depth
11 km
 # of Arrivals
20
 Location 33.1 km NE of Athens
39.8 km SE of Chalkida
92.2 km SW of Skyros
 Solution type
manual
 Files / Links
QuakeML  GSE2.0  Alert  .phi  
  

  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
MRTHHA12.0182 P20:43:53.19 0.21.0M
MRTHHA12.0182 S20:43:55.60 0.31.0M
DIONHL16.9184 P20:43:53.82 0.11.0M
DIONHL16.9184 S20:43:56.51 -0.11.0M
STFNHA35.6260 P20:43:56.60 -0.11.0M
STFNHA35.6260 S20:44:01.36 -0.41.0M
MDRAHA45.9246 P20:43:58.22 -0.11.0M
MDRAHA45.9246 S20:44:04.43 -0.21.0M
VLYHL44.0198 P20:43:57.95 0.01.0M
VLYHL44.0198 S20:44:03.30 -0.71.0M
VILLHA55.8262 P20:43:59.79 -0.11.0M
VILLHA55.8262 S20:44:07.21 -0.21.0M
MRKAHA61.3329 P20:44:00.88 0.11.0M
MRKAHA61.3329 S20:44:08.41 -0.51.0M
LTKHP88.6255 P20:44:05.57 0.51.0M
LTKHP88.6255 S20:44:16.92 0.31.0M
ACORHA101.5248 P20:44:07.55 0.41.0M
ACORHA101.5248 S20:44:20.70 0.51.0M
LKRHL94.7299 P20:44:06.05 0.01.0M
LKRHL94.7299 S20:44:18.68 0.51.0M


  Solution details

Event:
    Public ID              nkua2021okhr
    Description
      region name: Greece
Origin:
    Date                   2021-07-24
    Time                  20:43:50.00
    Latitude              38.2300 deg  +/-      1 km
    Longitude             23.9452 deg  +/-      1 km
    Depth                      11 km   +/-    2 km
    Agency                 HA
    Author                 Analyst1
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.31 s
    Azimuthal gap             213 deg

2 Network magnitudes:
    MLv       1.69 +/- 0.27   8            
    M         1.69            8 preferred  

20 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    MRTH  HA    0.1 182  P       20:43:53.19   0.2 M  1.0  MRTH 
    MRTH  HA    0.1 182  S       20:43:55.60   0.3 M  1.0  MRTH 
    DION  HL    0.2 184  P       20:43:53.82   0.1 M  1.0  DION 
    DION  HL    0.2 184  S       20:43:56.51  -0.1 M  1.0  DION 
    STFN  HA    0.3 260  P       20:43:56.60  -0.1 M  1.0  STFN 
    STFN  HA    0.3 260  S       20:44:01.36  -0.4 M  1.0  STFN 
    VLY   HL    0.4 198  P       20:43:57.95  -0.0 M  1.0  VLY  
    VLY   HL    0.4 198  S       20:44:03.30  -0.7 M  1.0  VLY  
    MDRA  HA    0.4 246  P       20:43:58.22  -0.1 M  1.0  MDRA 
    MDRA  HA    0.4 246  S       20:44:04.43  -0.2 M  1.0  MDRA 
    VILL  HA    0.5 262  P       20:43:59.79  -0.1 M  1.0  VILL 
    VILL  HA    0.5 262  S       20:44:07.21  -0.2 M  1.0  VILL 
    MRKA  HA    0.6 329  P       20:44:00.88   0.1 M  1.0  MRKA 
    MRKA  HA    0.6 329  S       20:44:08.41  -0.5 M  1.0  MRKA 
    LTK   HP    0.8 255  P       20:44:05.57   0.5 M  1.0  LTK  
    LTK   HP    0.8 255  S       20:44:16.92   0.3 M  1.0  LTK  
    LKR   HL    0.9 299  P       20:44:06.05   0.0 M  1.0  LKR  
    LKR   HL    0.9 299  S       20:44:18.68   0.5 M  1.0  LKR  
    ACOR  HA    0.9 248  P       20:44:07.55   0.4 M  1.0  ACOR 
    ACOR  HA    0.9 248  S       20:44:20.70   0.5 M  1.0  ACOR 

10 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    MRTH  HA    0.1 182  MLv     1.79  0.09    2.44828      
    DION  HL    0.2 184  MLv     1.08 -0.61    1.01724      
    STFN  HA    0.3 260  MLv     1.40 -0.29   0.260501      
    VLY   HL    0.4 198  MLv     2.17  0.48    0.94005      
    MDRA  HA    0.4 246  MLv     1.25 -0.44   0.101043      
    VILL  HA    0.5 262  MLv     1.76  0.07   0.184914      
    MRKA  HA    0.6 329  MLv     1.82  0.12   0.161969      
    LTK   HP    0.8 255  MLv     1.52 -0.18   0.226428      
    LKR   HL    0.9 299  MLv     2.15  0.46   0.128284      
    ACOR  HA    0.9 248  MLv     1.86  0.16   0.112149