Earthquake Information
 Origin Time
2020-09-17 23:32:55 (GMT)
 Magnitude
M 4.0
 Latitude
35.8843° N
 Longitude
22.2784° E
 Focal Depth
8 km
 # of Arrivals
67
 Location 78.0 km WSW of Kithira
115.9 km SSE of Methoni
266.8 km SSW of Athens
 Solution type
manual
 Files / Links
QuakeML  GSE2.0  Alert  .phi  ShakeMap  Foc.Mech.
  

  Focal Mechanism

Foc.Mech. Strike (°) Dip (°) Rake (°) Seism.Mom. (dyn*cm)
293958 1.90E+22

Latitude (°N) Longitude (°E) Depth (km) Magnitude Mw
35.864022.260621.04.1

Source parameters determination

Click here for detailed focal mechanism solution


  Intensity map


PGA
PGV
MI

Download files: Google Earth (.kmz), Measurements (.csv)


  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
KTHAHL81.7 59 P23:33:10.72 0.51.0M
KTHAHL81.7 59 S23:33:20.44 -0.41.0M
ANKYHL92.2 91 P23:33:12.75 0.81.0M
ANKYHL92.2 91 S23:33:23.06 -0.71.0M
NPS1HI99.2 45 P23:33:13.63 0.61.0M
NPS1HI99.2 45 S23:33:25.51 -0.11.0M
MNVAHL112.2 37 P23:33:15.65 0.51.0M
MNVAHL112.2 37 S23:33:29.39 0.21.0M
VLIHL110.4 33 P23:33:14.83 0.01.0M
VLIHL110.4 33 S23:33:28.89 0.21.0M
AAMFHP137.2352 P23:33:18.07 -0.51.0M
ITMHL147.3348 P23:33:19.31 -0.61.0M
KNDRHC141.6120 P23:33:19.33 0.11.0M
KNDRHC141.6120 S23:33:36.17 -0.41.0M
VALYHP144.7350 P23:33:19.28 -0.31.0M
VALYHP144.7350 S23:33:36.77 -0.51.0M
IMMVHL160.9106 P23:33:21.98 0.11.0M
CH01HI162.5104 P23:33:22.63 0.61.0M
CHANHC164.4104 P23:33:22.81 0.51.0M
VLXHP165.5 3 P23:33:22.74 0.41.0M
VLXHP165.5 3 S23:33:41.39 -0.91.0M
MHLOHL210.3 64 P23:33:28.41 0.01.0M
MHLOHL210.3 64 S23:33:53.22 0.01.0M
ACORHA229.1 13 P23:33:30.38 -0.31.0M
ACORHA229.1 13 S23:33:57.25 -0.21.0M
IDIMN245.3105 P23:33:31.91 -0.91.0M
IDIMN245.3105 S23:34:01.31 0.11.0M
LTHKHP240.1328 P23:33:32.28 0.21.0M
LTHKHP240.1328 S23:34:00.19 0.31.0M
SIVAHL248.9112 P23:33:33.33 0.11.0M
SIVAHL248.9112 S23:34:02.30 0.31.0M
RLSHL252.0344 P23:33:34.16 0.61.0M
RLSHL252.0344 S23:34:02.65 0.21.0M
ATHUHA267.4 30 P23:33:35.88 0.41.0M
ATHUHA267.4 30 S23:34:06.31 0.31.0M
AXSHP269.2343 P23:33:34.77 -0.91.0M
AXSHP269.2343 S23:34:06.42 0.11.0M
VILLHA269.6 20 P23:33:36.29 0.61.0M
VILLHA269.6 20 S23:34:06.26 -0.21.0M
PTLHL278.7 30 P23:33:36.88 0.01.0M
PTLHL278.7 30 S23:34:08.31 -0.21.0M
SAP3HL282.1 77 P23:33:36.77 -0.61.0M
SAP3HL282.1 77 S23:34:09.54 0.11.0M
CMBOHT288.1 76 P23:33:37.59 -0.51.0M
CMBOHT288.1 76 S23:34:11.24 0.51.0M
DIONHL284.8 31 P23:33:37.33 -0.31.0M
DIONHL284.8 31 S23:34:09.64 -0.21.0M
MRTHHA289.4 30 P23:33:37.94 -0.21.0M
MRTHHA289.4 30 S23:34:11.41 0.61.0M
THERAHL292.1 79 P23:33:37.90 -0.71.0M
KARYHA306.3 38 P23:33:40.10 -0.21.0M
LKRHL314.0 12 P23:33:40.65 -0.51.0M
NPSHL309.2102 P23:33:40.06 -0.71.0M
ATALHA319.1 12 P23:33:41.52 -0.31.0M
AXARHA322.2 6 P23:33:42.58 0.41.0M
EVGIHT336.5335 P23:33:44.13 0.21.0M
AGGHT348.8 1 P23:33:45.79 0.31.0M
KYMIHL345.5 27 P23:33:44.99 -0.11.0M
NYDRHT344.2336 P23:33:45.21 0.31.0M
TSLKHT357.0337 P23:33:46.49 0.01.0M
TETRHL394.8347 P23:33:51.32 0.21.0M
THLHL409.9357 P23:33:52.70 -0.31.0M
PRMDHP418.5346 P23:33:53.87 -0.21.0M
CHOSHT435.0 49 P23:33:56.24 0.01.0M
KPROHT459.7350 P23:33:59.45 0.31.0M
PENTHL489.7349 P23:34:03.41 0.51.0M
PRKHL512.9 42 P23:34:06.04 0.21.0M


  Solution details

Event:
    Public ID              nkua2020sivk
    Type                   earthquake
    Description
      region name: Central Mediterranean Sea
Origin:
    Date                   2020-09-17
    Time                  23:32:55.82  +/-    0.4 s
    Latitude              35.8843 deg  +/-      2 km
    Longitude             22.2784 deg  +/-      2 km
    Depth                       8 km   +/-    2 km
    Agency                 HA
    Author                 K.Pavlou
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.42 s
    Azimuthal gap             208 deg

2 Network magnitudes:
    MLv       4.01 +/- 0.10  35            
    M         4.01           35 preferred  

67 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    KTHA  HL    0.7  59  P       23:33:10.72   0.5 M  1.0  KTHA 
    KTHA  HL    0.7  59  S       23:33:20.44  -0.4 M  1.0  KTHA 
    ANKY  HL    0.8  91  P       23:33:12.75   0.8 M  1.0  ANKY 
    ANKY  HL    0.8  91  S       23:33:23.06  -0.7 M  1.0  ANKY 
    NPS1  HI    0.9  45  P       23:33:13.63   0.6 M  1.0  NPS1 
    NPS1  HI    0.9  45  S       23:33:25.51  -0.1 M  1.0  NPS1 
    VLI   HL    1.0  33  P       23:33:14.83  -0.0 M  1.0  VLI  
    VLI   HL    1.0  33  S       23:33:28.89   0.2 M  1.0  VLI  
    MNVA  HL    1.0  37  P       23:33:15.65   0.5 M  1.0  MNVA 
    MNVA  HL    1.0  37  S       23:33:29.39   0.2 M  1.0  MNVA 
    AAMF  HP    1.2 352  P       23:33:18.07  -0.5 M  1.0  AAMF 
    KNDR  HC    1.3 120  P       23:33:19.33   0.1 M  1.0  KNDR 
    KNDR  HC    1.3 120  S       23:33:36.17  -0.4 M  1.0  KNDR 
    VALY  HP    1.3 350  P       23:33:19.28  -0.3 M  1.0  VALY 
    VALY  HP    1.3 350  S       23:33:36.77  -0.5 M  1.0  VALY 
    ITM   HL    1.3 348  P       23:33:19.31  -0.6 M  1.0  ITM  
    IMMV  HL    1.4 106  P       23:33:21.98   0.1 M  1.0  IMMV 
    CH01  HI    1.5 104  P       23:33:22.63   0.6 M  1.0  CH01 
    CHAN  HC    1.5 104  P       23:33:22.81   0.5 M  1.0  CHAN 
    VLX   HP    1.5   3  P       23:33:22.74   0.4 M  1.0  VLX  
    VLX   HP    1.5   3  S       23:33:41.39  -0.9 M  1.0  VLX  
    MHLO  HL    1.9  64  P       23:33:28.41   0.0 M  1.0  MHLO 
    MHLO  HL    1.9  64  S       23:33:53.22  -0.0 M  1.0  MHLO 
    ACOR  HA    2.1  13  P       23:33:30.38  -0.3 M  1.0  ACOR 
    ACOR  HA    2.1  13  S       23:33:57.25  -0.2 M  1.0  ACOR 
    LTHK  HP    2.2 328  P       23:33:32.28   0.2 M  1.0  LTHK 
    LTHK  HP    2.2 328  S       23:34:00.19   0.3 M  1.0  LTHK 
    IDI   MN    2.2 105  P       23:33:31.91  -0.9 M  1.0  IDI  
    IDI   MN    2.2 105  S       23:34:01.31   0.1 M  1.0  IDI  
    SIVA  HL    2.2 112  P       23:33:33.33   0.1 M  1.0  SIVA 
    SIVA  HL    2.2 112  S       23:34:02.30   0.3 M  1.0  SIVA 
    RLS   HL    2.3 344  P       23:33:34.16   0.6 M  1.0  RLS  
    RLS   HL    2.3 344  S       23:34:02.65   0.2 M  1.0  RLS  
    ATHU  HA    2.4  30  P       23:33:35.88   0.4 M  1.0  ATHU 
    ATHU  HA    2.4  30  S       23:34:06.31   0.3 M  1.0  ATHU 
    AXS   HP    2.4 343  P       23:33:34.77  -0.9 M  1.0  AXS  
    AXS   HP    2.4 343  S       23:34:06.42   0.1 M  1.0  AXS  
    VILL  HA    2.4  20  P       23:33:36.29   0.6 M  1.0  VILL 
    VILL  HA    2.4  20  S       23:34:06.26  -0.2 M  1.0  VILL 
    PTL   HL    2.5  30  P       23:33:36.88   0.0 M  1.0  PTL  
    PTL   HL    2.5  30  S       23:34:08.31  -0.2 M  1.0  PTL  
    SAP3  HL    2.5  77  P       23:33:36.77  -0.6 M  1.0  SAP3 
    SAP3  HL    2.5  77  S       23:34:09.54   0.1 M  1.0  SAP3 
    DION  HL    2.6  31  P       23:33:37.33  -0.3 M  1.0  DION 
    DION  HL    2.6  31  S       23:34:09.64  -0.2 M  1.0  DION 
    CMBO  HT    2.6  76  P       23:33:37.59  -0.5 M  1.0  CMBO 
    CMBO  HT    2.6  76  S       23:34:11.24   0.5 M  1.0  CMBO 
    MRTH  HA    2.6  30  P       23:33:37.94  -0.2 M  1.0  MRTH 
    MRTH  HA    2.6  30  S       23:34:11.41   0.6 M  1.0  MRTH 
    THERA HL    2.6  79  P       23:33:37.90  -0.7 M  1.0  THERA
    KARY  HA    2.8  38  P       23:33:40.10  -0.2 M  1.0  KARY 
    NPS   HL    2.8 102  P       23:33:40.06  -0.7 M  1.0  NPS  
    LKR   HL    2.8  12  P       23:33:40.65  -0.5 M  1.0  LKR  
    ATAL  HA    2.9  12  P       23:33:41.52  -0.3 M  1.0  ATAL 
    AXAR  HA    2.9   6  P       23:33:42.58   0.4 M  1.0  AXAR 
    EVGI  HT    3.0 335  P       23:33:44.13   0.2 M  1.0  EVGI 
    NYDR  HT    3.1 336  P       23:33:45.21   0.3 M  1.0  NYDR 
    KYMI  HL    3.1  27  P       23:33:44.99  -0.1 M  1.0  KYMI 
    AGG   HT    3.1   1  P       23:33:45.79   0.3 M  1.0  AGG  
    TSLK  HT    3.2 337  P       23:33:46.49  -0.0 M  1.0  TSLK 
    TETR  HL    3.5 347  P       23:33:51.32   0.2 M  1.0  TETR 
    THL   HL    3.7 357  P       23:33:52.70  -0.3 M  1.0  THL  
    PRMD  HP    3.8 346  P       23:33:53.87  -0.2 M  1.0  PRMD 
    CHOS  HT    3.9  49  P       23:33:56.24   0.0 M  1.0  CHOS 
    KPRO  HT    4.1 350  P       23:33:59.45   0.3 M  1.0  KPRO 
    PENT  HL    4.4 349  P       23:34:03.41   0.5 M  1.0  PENT 
    PRK   HL    4.6  42  P       23:34:06.04   0.2 M  1.0  PRK  

45 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    KTHA  HL    0.7  59  MLv     4.03  0.01    20.7954      
    ANKY  HL    0.8  91  MLv     4.00 -0.01    17.3144      
    NPS1  HI    0.9  45  MLv     4.01  0.00    16.5616      
    VLI   HL    1.0  33  MLv     4.07  0.06    21.2683      
    MNVA  HL    1.0  37  MLv     3.96 -0.05    12.4782      
    AAMF  HP    1.2 352  MLv     3.76 -0.25      5.953      
    KNDR  HC    1.3 120  MLv     3.98 -0.03    9.33095      
    VALY  HP    1.3 350  MLv     3.89 -0.12    7.35773      
    ITM   HL    1.3 348  MLv     4.11  0.10    11.7719      
    IMMV  HL    1.4 106  MLv     3.94 -0.07    6.82358      
    CH01  HI    1.5 104  MLv     4.20  0.19    12.2283      
    CHAN  HC    1.5 104  MLv     3.98 -0.04    14.2471      
    VLX   HP    1.5   3  MLv     3.58 -0.43    2.86557      
    MHLO  HL    1.9  64  MLv     4.02  0.01    9.62893      
    ACOR  HA    2.1  13  MLv     3.95 -0.07    3.17011      
    LTHK  HP    2.2 328  MLv     3.84 -0.17    2.20934      
    IDI   MN    2.2 105  MLv     3.97 -0.04    2.80925      
    SIVA  HL    2.2 112  MLv     3.99 -0.02    2.81204      
    RLS   HL    2.3 344  MLv     3.93 -0.08    2.35252      
    ATHU  HA    2.4  30  MLv     4.12  0.11    1.88583      
    AXS   HP    2.4 343  MLv     3.75 -0.27    1.26029      
    VILL  HA    2.4  20  MLv     4.02  0.01    2.36527      
    PTL   HL    2.5  30  MLv     4.10  0.09     2.5699      
    SAP3  HL    2.5  77  MLv     4.31  0.29    6.55952      
    DION  HL    2.6  31  MLv     3.67 -0.34    2.52277      
    CMBO  HT    2.6  76  MLv     4.54  0.53    6.33473      
    MRTH  HA    2.6  30  MLv     3.57 -0.44    0.67268      
    THERA HL    2.6  79  MLv     3.90 -0.12    1.36705      
    KARY  HA    2.8  38  MLv     4.11  0.10    1.89313      
    NPS   HL    2.8 102  MLv     3.89 -0.12    1.11622      
    LKR   HL    2.8  12  MLv     4.13  0.12   0.989411      
    ATAL  HA    2.9  12  MLv     3.90 -0.11    1.01486      
    AXAR  HA    2.9   6  MLv     3.82 -0.19    3.21927      
    EVGI  HT    3.0 335  MLv     3.99 -0.02    1.01733      
    NYDR  HT    3.1 336  MLv     3.99 -0.03    0.66921      
    KYMI  HL    3.1  27  MLv     4.07  0.06    1.11283      
    AGG   HT    3.1   1  MLv     4.09  0.07   0.856795      
    TSLK  HT    3.2 337  MLv     3.92 -0.09   0.682459      
    TETR  HL    3.5 347  MLv     4.52  0.51    1.78406      
    THL   HL    3.7 357  MLv     4.24  0.23   0.498686      
    PRMD  HP    3.8 346  MLv     4.50  0.49    1.45597      
    CHOS  HT    3.9  49  MLv     3.95 -0.06   0.374064      
    KPRO  HT    4.1 350  MLv     4.43  0.42   0.994377      
    PENT  HL    4.4 349  MLv     4.77  0.76    1.44131      
    PRK   HL    4.6  42  MLv     4.06  0.05   0.320407