Earthquake Information
 Origin Time
2021-02-18 03:04:33 (GMT)
 Magnitude
M 3.6
 Latitude
38.1362° N
 Longitude
23.4747° E
 Focal Depth
13 km
 # of Arrivals
75
 Location 28.3 km NW of Athens
38.0 km SSW of Chalkida
52.4 km ENE of Korinthos
 Solution type
manual
 Files / Links
QuakeML  GSE2.0  Alert  .phi  Foc.Mech.
  

  Focal Mechanism

Foc.Mech. Strike (°) Dip (°) Rake (°) Seism.Mom. (dyn*cm)
9356-81 6.07E+21

Latitude (°N) Longitude (°E) Depth (km) Magnitude Mw
38.142223.478617.03.8

Source parameters determination

Click here for detailed focal mechanism solution


  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
MDRAHA8.4185 P03:04:35.96 -0.11.0M
MDRAHA8.4185 S03:04:37.97 -0.21.0M
STFNHA7.5 54 P03:04:36.03 0.11.0M
STFNHA7.5 54 S03:04:37.92 -0.21.0M
ATHHL27.9130 P03:04:39.07 0.51.0M
ATHHL27.9130 S03:04:42.87 0.21.0M
ATH5HI29.1128 P03:04:38.19 -0.61.0M
ATH5HI29.1128 S03:04:42.26 -0.81.0M
ATHUHA33.0125 P03:04:39.65 0.31.0M
ATHUHA33.0125 S03:04:43.96 -0.21.0M
NOACHL27.9130 P03:04:39.02 0.51.0M
NOACHL27.9130 S03:04:42.88 0.21.0M
PTLHL35.5106 P03:04:40.07 0.31.0M
PTLHL35.5106 S03:04:44.66 -0.21.0M
DIONHL40.6 99 P03:04:40.88 0.31.0M
DIONHL40.6 99 S03:04:46.06 -0.21.0M
VLYHL42.2138 P03:04:41.04 0.21.0M
VLYHL42.2138 S03:04:46.58 -0.11.0M
THALHA71.9261 P03:04:45.49 0.01.0M
THALHA71.9261 S03:04:55.11 0.11.0M
KYMIHL77.6 45 P03:04:46.27 -0.11.0M
KYMIHL77.6 45 S03:04:56.49 -0.11.0M
XLKSHA73.7265 P03:04:46.12 0.31.0M
XLKSHA73.7265 S03:04:55.63 0.21.0M
YDRAHL87.5181 P03:04:48.17 0.21.0M
YDRAHL87.5181 S03:04:59.59 0.41.0M
KLVHL116.4265 P03:04:52.54 0.01.0M
KALEHA119.9284 P03:04:53.21 0.11.0M
KALEHA119.9284 S03:05:08.48 0.21.0M
KLV1HI120.2265 P03:04:53.35 0.21.0M
KLV1HI120.2265 S03:05:08.52 0.21.0M
SKYHL125.0 48 P03:04:53.80 0.01.0M
SKYHL125.0 48 S03:05:09.62 0.11.0M
SKY1HI127.6 48 P03:04:54.49 0.31.0M
SKY1HI127.6 48 S03:05:10.43 0.31.0M
LAKAHA131.3275 P03:04:55.47 0.71.0M
LAKAHA131.3275 S03:05:11.55 0.21.0M
NEOHL131.9350 P03:04:54.49 -0.31.0M
NEOHL131.9350 S03:05:11.15 -0.11.0M
VLXHP128.6229 P03:04:55.30 0.91.0M
VLXHP128.6229 S03:05:10.66 0.01.0M
AGGHT139.6315 P03:04:55.64 -0.41.0M
AGGHT139.6315 S03:05:13.30 -0.21.0M
ANXHP144.7290 P03:04:56.85 -0.11.0M
ANXHP144.7290 S03:05:14.69 -0.41.0M
THNOHC146.0111 P03:04:56.81 -0.21.0M
UPRHP148.4276 P03:04:58.11 0.71.0M
UPRHP148.4276 S03:05:15.72 -0.11.0M
VOL2HI160.0342 P03:04:57.06 0.41.0M
VOL2HI160.0342 S03:05:14.75 0.21.0M
AGRPCL155.6281 P03:04:58.36 -0.21.0M
AGRPCL155.6281 S03:05:17.04 -0.81.0M
DROHP155.8262 P03:04:58.57 0.01.0M
DROHP155.8262 S03:05:17.52 -0.51.0M
AAMFHP168.6227 P03:05:00.31 0.11.0M
EVRHL168.8301 P03:05:00.42 0.11.0M
EVRHL168.8301 S03:05:20.20 -0.81.0M
MNVAHL165.7194 P03:04:59.03 -0.71.0M
MNVAHL165.7194 S03:05:19.46 -0.51.0M
TNSAHL162.4114 P03:04:59.00 -0.41.0M
VALYHP170.0231 P03:05:00.50 0.21.0M
VLIHL164.4197 P03:04:58.77 -0.81.0M
VLIHL164.4197 S03:05:19.79 0.11.0M
ITMHL173.0232 P03:05:00.99 0.21.0M
ITMHL173.0232 S03:05:21.99 0.21.0M
PVOHP178.1287 P03:05:01.99 0.61.0M
PVOHP178.1287 S03:05:22.96 0.01.0M
RLSHL176.1267 P03:05:01.75 0.61.0M
RLSHL176.1267 S03:05:22.85 0.41.0M
STPGHC175.1220 P03:05:01.34 0.31.0M
STPGHC175.1220 S03:05:22.20 0.01.0M
AXSHP183.6272 P03:05:02.64 0.51.0M
AXSHP183.6272 S03:05:23.95 -0.21.0M
PLEVHP183.1280 P03:05:02.34 0.31.0M
PLEVHP183.1280 S03:05:24.38 0.31.0M


  Solution details

Event:
    Public ID              nkua2021djyg
    Type                   earthquake
    Description
      region name: Greece
Origin:
    Date                   2021-02-18
    Time                  03:04:33.11
    Latitude              38.1362 deg  +/-      0 km
    Longitude             23.4747 deg  +/-      0 km
    Depth                      13 km   +/-    0 km
    Agency                 HA
    Author                 A.Karakonstantis
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.32 s
    Azimuthal gap              54 deg

2 Network magnitudes:
    MLv       3.57 +/- 0.24  32            
    M         3.57           32 preferred  

75 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    STFN  HA    0.1  54  P       03:04:36.03   0.1 M  1.0  STFN 
    STFN  HA    0.1  54  S       03:04:37.92  -0.2 M  1.0  STFN 
    MDRA  HA    0.1 185  P       03:04:35.96  -0.1 M  1.0  MDRA 
    MDRA  HA    0.1 185  S       03:04:37.97  -0.2 M  1.0  MDRA 
    ATH   HL    0.3 130  P       03:04:39.07   0.5 M  1.0  ATH  
    ATH   HL    0.3 130  S       03:04:42.87   0.2 M  1.0  ATH  
    NOAC  HL    0.3 130  P       03:04:39.02   0.5 M  1.0  NOAC 
    NOAC  HL    0.3 130  S       03:04:42.88   0.2 M  1.0  NOAC 
    ATH5  HI    0.3 128  P       03:04:38.19  -0.6 M  1.0  ATH5 
    ATH5  HI    0.3 128  S       03:04:42.26  -0.8 M  1.0  ATH5 
    ATHU  HA    0.3 125  P       03:04:39.65   0.3 M  1.0  ATHU 
    ATHU  HA    0.3 125  S       03:04:43.96  -0.2 M  1.0  ATHU 
    PTL   HL    0.3 106  P       03:04:40.07   0.3 M  1.0  PTL  
    PTL   HL    0.3 106  S       03:04:44.66  -0.2 M  1.0  PTL  
    DION  HL    0.4  99  P       03:04:40.88   0.3 M  1.0  DION 
    DION  HL    0.4  99  S       03:04:46.06  -0.2 M  1.0  DION 
    VLY   HL    0.4 138  P       03:04:41.04   0.2 M  1.0  VLY  
    VLY   HL    0.4 138  S       03:04:46.58  -0.1 M  1.0  VLY  
    THAL  HA    0.6 261  P       03:04:45.49  -0.0 M  1.0  THAL 
    THAL  HA    0.6 261  S       03:04:55.11   0.1 M  1.0  THAL 
    XLKS  HA    0.7 265  P       03:04:46.12   0.3 M  1.0  XLKS 
    XLKS  HA    0.7 265  S       03:04:55.63   0.2 M  1.0  XLKS 
    KYMI  HL    0.7  45  P       03:04:46.27  -0.1 M  1.0  KYMI 
    KYMI  HL    0.7  45  S       03:04:56.49  -0.1 M  1.0  KYMI 
    YDRA  HL    0.8 181  P       03:04:48.17   0.2 M  1.0  YDRA 
    YDRA  HL    0.8 181  S       03:04:59.59   0.4 M  1.0  YDRA 
    KLV   HL    1.0 265  P       03:04:52.54  -0.0 M  1.0  KLV  
    KALE  HA    1.1 284  P       03:04:53.21   0.1 M  1.0  KALE 
    KALE  HA    1.1 284  S       03:05:08.48   0.2 M  1.0  KALE 
    KLV1  HI    1.1 265  P       03:04:53.35   0.2 M  1.0  KLV1 
    KLV1  HI    1.1 265  S       03:05:08.52   0.2 M  1.0  KLV1 
    SKY   HL    1.1  48  P       03:04:53.80   0.0 M  1.0  SKY  
    SKY   HL    1.1  48  S       03:05:09.62   0.1 M  1.0  SKY  
    SKY1  HI    1.1  48  P       03:04:54.49   0.3 M  1.0  SKY1 
    SKY1  HI    1.1  48  S       03:05:10.43   0.3 M  1.0  SKY1 
    VLX   HP    1.2 229  P       03:04:55.30   0.9 M  1.0  VLX  
    VLX   HP    1.2 229  S       03:05:10.66   0.0 M  1.0  VLX  
    LAKA  HA    1.2 275  P       03:04:55.47   0.7 M  1.0  LAKA 
    LAKA  HA    1.2 275  S       03:05:11.55   0.2 M  1.0  LAKA 
    NEO   HL    1.2 350  P       03:04:54.49  -0.3 M  1.0  NEO  
    NEO   HL    1.2 350  S       03:05:11.15  -0.1 M  1.0  NEO  
    AGG   HT    1.3 315  P       03:04:55.64  -0.4 M  1.0  AGG  
    AGG   HT    1.3 315  S       03:05:13.30  -0.2 M  1.0  AGG  
    VOL2  HI    1.3 342  P       03:04:57.06   0.4 M  1.0  VOL2 
    VOL2  HI    1.3 342  S       03:05:14.75   0.2 M  1.0  VOL2 
    ANX   HP    1.3 290  P       03:04:56.85  -0.1 M  1.0  ANX  
    ANX   HP    1.3 290  S       03:05:14.69  -0.4 M  1.0  ANX  
    THNO  HC    1.3 111  P       03:04:56.81  -0.2 M  1.0  THNO 
    UPR   HP    1.3 276  P       03:04:58.11   0.7 M  1.0  UPR  
    UPR   HP    1.3 276  S       03:05:15.72  -0.1 M  1.0  UPR  
    AGRP  CL    1.4 281  P       03:04:58.36  -0.2 M  1.0  AGRP 
    AGRP  CL    1.4 281  S       03:05:17.04  -0.8 M  1.0  AGRP 
    DRO   HP    1.4 262  P       03:04:58.57  -0.0 M  1.0  DRO  
    DRO   HP    1.4 262  S       03:05:17.52  -0.5 M  1.0  DRO  
    TNSA  HL    1.5 114  P       03:04:59.00  -0.4 M  1.0  TNSA 
    VLI   HL    1.5 197  P       03:04:58.77  -0.8 M  1.0  VLI  
    VLI   HL    1.5 197  S       03:05:19.79   0.1 M  1.0  VLI  
    MNVA  HL    1.5 194  P       03:04:59.03  -0.7 M  1.0  MNVA 
    MNVA  HL    1.5 194  S       03:05:19.46  -0.5 M  1.0  MNVA 
    AAMF  HP    1.5 227  P       03:05:00.31   0.1 M  1.0  AAMF 
    EVR   HL    1.5 301  P       03:05:00.42   0.1 M  1.0  EVR  
    EVR   HL    1.5 301  S       03:05:20.20  -0.8 M  1.0  EVR  
    VALY  HP    1.5 231  P       03:05:00.50   0.2 M  1.0  VALY 
    ITM   HL    1.6 232  P       03:05:00.99   0.2 M  1.0  ITM  
    ITM   HL    1.6 232  S       03:05:21.99   0.2 M  1.0  ITM  
    STPG  HC    1.6 220  P       03:05:01.34   0.3 M  1.0  STPG 
    STPG  HC    1.6 220  S       03:05:22.20   0.0 M  1.0  STPG 
    RLS   HL    1.6 267  P       03:05:01.75   0.6 M  1.0  RLS  
    RLS   HL    1.6 267  S       03:05:22.85   0.4 M  1.0  RLS  
    PVO   HP    1.6 287  P       03:05:01.99   0.6 M  1.0  PVO  
    PVO   HP    1.6 287  S       03:05:22.96   0.0 M  1.0  PVO  
    PLEV  HP    1.7 280  P       03:05:02.34   0.3 M  1.0  PLEV 
    PLEV  HP    1.7 280  S       03:05:24.38   0.3 M  1.0  PLEV 
    AXS   HP    1.7 272  P       03:05:02.64   0.5 M  1.0  AXS  
    AXS   HP    1.7 272  S       03:05:23.95  -0.2 M  1.0  AXS  

40 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    STFN  HA    0.1  54  MLv     3.76  0.19    296.958      
    MDRA  HA    0.1 185  MLv     3.90  0.33    392.539      
    ATH   HL    0.3 130  MLv     3.54 -0.03    55.3104      
    NOAC  HL    0.3 130  MLv     3.52 -0.05     53.237      
    ATH5  HI    0.3 128  MLv     3.31 -0.26    30.5603      
    ATHU  HA    0.3 125  MLv     3.53 -0.04     24.838      
    PTL   HL    0.3 106  MLv     3.23 -0.35    17.3674      
    DION  HL    0.4  99  MLv     3.18 -0.39    33.0386      
    VLY   HL    0.4 138  MLv     4.10  0.52    87.3237      
    THAL  HA    0.6 261  MLv     3.55 -0.02    13.8593      
    XLKS  HA    0.7 265  MLv     3.91  0.33     17.318      
    KYMI  HL    0.7  45  MLv     4.16  0.58    29.3626      
    YDRA  HL    0.8 181  MLv     3.91  0.34    14.8318      
    KLV   HL    1.0 265  MLv     3.45 -0.12    2.80393      
    KALE  HA    1.1 284  MLv     3.47 -0.10    3.72316      
    KLV1  HI    1.1 265  MLv     3.54 -0.04    4.32353      
    SKY   HL    1.1  48  MLv     4.01  0.44    20.3479      
    SKY1  HI    1.1  48  MLv     4.30  0.73    23.1685      
    VLX   HP    1.2 229  MLv     3.58  0.00    4.30682      
    LAKA  HA    1.2 275  MLv     3.33 -0.24    2.35277      
    NEO   HL    1.2 350  MLv     3.95  0.38    13.6581      
    AGG   HT    1.3 315  MLv     3.59  0.02    3.03359      
    VOL2  HI    1.3 342  MLv     3.72  0.15     4.9931      
    ANX   HP    1.3 290  MLv     3.61  0.04    3.84637      
    THNO  HC    1.3 111  MLv     3.82  0.24    6.13482      
    UPR   HP    1.3 276  MLv     2.88 -0.69    7.96729      
    AGRP  CL    1.4 281  MLv     3.28 -0.29    1.58532      
    DRO   HP    1.4 262  MLv     3.21 -0.36    2.81797      
    TNSA  HL    1.5 114  MLv     3.77  0.20    4.56352      
    VLI   HL    1.5 197  MLv     3.65  0.08    4.39293      
    MNVA  HL    1.5 194  MLv     3.40 -0.17    1.88881      
    AAMF  HP    1.5 227  MLv     3.17 -0.40    1.06146      
    EVR   HL    1.5 301  MLv     3.33 -0.25    1.52178      
    VALY  HP    1.5 231  MLv     3.43 -0.14    1.90339      
    ITM   HL    1.6 232  MLv     3.45 -0.13    1.91272      
    STPG  HC    1.6 220  MLv     3.93  0.36    5.66171      
    RLS   HL    1.6 267  MLv     3.25 -0.32     1.1829      
    PVO   HP    1.6 287  MLv     3.39 -0.18    1.58769      
    PLEV  HP    1.7 280  MLv     3.14 -0.44   0.836051      
    AXS   HP    1.7 272  MLv     3.19 -0.39   0.931408