Earthquake Information
 Origin Time
 2020-10-31 01:40:31 (GMT)
University of Athens
+−
10 km
5 mi
Leaflet | Tiles © Esri
 Magnitude
 M 4.0
 Latitude
 37.8490° N
 Longitude
 26.4536° E
 Focal Depth
 7 km
 # of Arrivals
 58
 Location 38.9 km NE of Ikaria
47.1 km WNW of Samos
239.1 km E 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)
9557-97 2.87E+22

Latitude (°N) Longitude (°E) Depth (km) Magnitude Mw
37.893626.485516.04.2

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
KRL1HI23.0105 P01:40:36.34 -0.21.0M
KRL1HI23.0105 S01:40:39.68 -0.51.0M
CHOSHT69.4330 P01:40:43.73 -0.31.0M
CHOSHT69.4330 S01:40:53.54 0.51.0M
KLNAHL109.3155 P01:40:50.88 0.41.0M
KLNAHL109.3155 S01:41:05.12 0.91.0M
TNSAHL118.6254 P01:40:52.08 0.21.0M
TNSAHL118.6254 S01:41:07.22 0.51.0M
MYT1HI137.8 4 P01:40:55.02 0.51.0M
MYT1HI137.8 4 S01:41:12.71 1.31.0M
ASTAHL145.0184 P01:40:56.34 0.81.0M
PRKHL156.2354 P01:40:56.65 -0.41.0M
PRKHL156.2354 S01:41:17.15 1.11.0M
KARYHA178.0277 P01:40:59.81 -0.21.0M
CMBOHT179.2212 P01:40:59.92 -0.21.0M
CMBOHT179.2212 S01:41:22.68 1.01.0M
SAP3HL185.3212 P01:41:00.32 -0.61.0M
SNT5HA186.1211 P01:41:01.06 0.01.0M
MRTHHA222.3279 P01:41:05.55 -0.41.0M
DIONHL222.4277 P01:41:05.53 -0.41.0M
MHLOHL222.7235 P01:41:05.14 -0.81.0M
MHLOHL222.7235 S01:41:32.74 0.61.0M
KYMIHL223.3294 P01:41:05.77 -0.21.0M
KYMIHL223.3294 S01:41:32.07 -0.21.0M
PTLHL228.1276 P01:41:06.19 -0.41.0M
VLYHL233.5271 P01:41:07.05 -0.31.0M
VLYHL233.5271 S01:41:34.69 0.11.0M
ARGHL234.5140 P01:41:07.07 -0.31.0M
ATHUHA234.5274 P01:41:07.02 -0.41.0M
NOACHL240.4274 P01:41:08.19 0.01.0M
ATHHL240.4274 P01:41:08.04 -0.11.0M
LIAHL253.0334 P01:41:08.86 -0.71.0M
LIAHL253.0334 S01:41:39.18 0.41.0M
STFNHA257.5279 P01:41:10.27 0.01.0M
STFNHA257.5279 S01:41:39.89 -0.11.0M
MDRAHA263.0276 P01:41:10.87 -0.11.0M
KARPHL263.6166 P01:41:10.39 -0.51.0M
VILLHA277.4278 P01:41:13.12 0.41.0M
VILLHA277.4278 S01:41:45.00 0.61.0M
EPIDHA294.4266 P01:41:15.41 0.61.0M
STIAHC296.1186 P01:41:14.63 -0.31.0M
STIAHC296.1186 S01:41:48.52 0.21.0M
NPSHL297.4195 P01:41:14.11 -1.01.0M
NPSHL297.4195 S01:41:49.27 0.71.0M
SMTHHL302.2345 P01:41:14.81 -0.91.0M
ZKRHL304.8184 P01:41:16.06 0.11.0M
LOUTHA305.6274 P01:41:16.30 0.11.0M
LOUTHA305.6274 S01:41:50.47 -0.21.0M
LTKHP306.3275 P01:41:16.31 0.01.0M
ATALHA314.0288 P01:41:17.28 0.01.0M
ATALHA314.0288 S01:41:51.96 -0.61.0M
LKRHL314.5287 P01:41:17.30 0.01.0M
ACORHA314.6272 P01:41:17.30 -0.11.0M
ACORHA314.6272 S01:41:52.61 -0.11.0M
IDIMN317.1207 P01:41:17.17 -0.41.0M
IDIMN317.1207 S01:41:53.09 0.11.0M
PFKSHC324.1196 P01:41:18.22 -0.11.0M
PFKSHC324.1196 S01:41:54.72 0.21.0M


  Solution details 

Event:
    Public ID              nkua2020vjog
    Type                   earthquake
    Description
      region name: Dodecanese Islands, Greece
Origin:
    Date                   2020-10-31
    Time                  01:40:31.66  +/-    0.2 s
    Latitude              37.8490 deg  +/-      1 km
    Longitude             26.4536 deg  +/-      2 km
    Depth                       7 km   +/-    2 km
    Agency                 HA
    Author                 A.Karakonstantis
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.49 s
    Azimuthal gap             101 deg

2 Network magnitudes:
    MLv       4.05 +/- 0.12  30            
    M         4.05           30 preferred  

58 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    KRL1  HI    0.2 105  P       01:40:36.34  -0.2 M  1.0  KRL1 
    KRL1  HI    0.2 105  S       01:40:39.68  -0.5 M  1.0  KRL1 
    CHOS  HT    0.6 330  P       01:40:43.73  -0.3 M  1.0  CHOS 
    CHOS  HT    0.6 330  S       01:40:53.54   0.5 M  1.0  CHOS 
    KLNA  HL    1.0 155  P       01:40:50.88   0.4 M  1.0  KLNA 
    KLNA  HL    1.0 155  S       01:41:05.12   0.9 M  1.0  KLNA 
    TNSA  HL    1.1 254  P       01:40:52.08   0.2 M  1.0  TNSA 
    TNSA  HL    1.1 254  S       01:41:07.22   0.5 M  1.0  TNSA 
    MYT1  HI    1.2   4  P       01:40:55.02   0.5 M  1.0  MYT1 
    MYT1  HI    1.2   4  S       01:41:12.71   1.3 M  1.0  MYT1 
    ASTA  HL    1.3 184  P       01:40:56.34   0.8 M  1.0  ASTA 
    PRK   HL    1.4 354  P       01:40:56.65  -0.4 M  1.0  PRK  
    PRK   HL    1.4 354  S       01:41:17.15   1.1 M  1.0  PRK  
    KARY  HA    1.6 277  P       01:40:59.81  -0.2 M  1.0  KARY 
    CMBO  HT    1.6 212  P       01:40:59.92  -0.2 M  1.0  CMBO 
    CMBO  HT    1.6 212  S       01:41:22.68   1.0 M  1.0  CMBO 
    SAP3  HL    1.7 212  P       01:41:00.32  -0.6 M  1.0  SAP3 
    SNT5  HA    1.7 211  P       01:41:01.06  -0.0 M  1.0  SNT5 
    MRTH  HA    2.0 279  P       01:41:05.55  -0.4 M  1.0  MRTH 
    MHLO  HL    2.0 235  P       01:41:05.14  -0.8 M  1.0  MHLO 
    MHLO  HL    2.0 235  S       01:41:32.74   0.6 M  1.0  MHLO 
    DION  HL    2.0 277  P       01:41:05.53  -0.4 M  1.0  DION 
    KYMI  HL    2.0 294  P       01:41:05.77  -0.2 M  1.0  KYMI 
    KYMI  HL    2.0 294  S       01:41:32.07  -0.2 M  1.0  KYMI 
    PTL   HL    2.1 276  P       01:41:06.19  -0.4 M  1.0  PTL  
    VLY   HL    2.1 271  P       01:41:07.05  -0.3 M  1.0  VLY  
    VLY   HL    2.1 271  S       01:41:34.69   0.1 M  1.0  VLY  
    ARG   HL    2.1 140  P       01:41:07.07  -0.3 M  1.0  ARG  
    ATHU  HA    2.1 274  P       01:41:07.02  -0.4 M  1.0  ATHU 
    ATH   HL    2.2 274  P       01:41:08.04  -0.1 M  1.0  ATH  
    NOAC  HL    2.2 274  P       01:41:08.19   0.0 M  1.0  NOAC 
    LIA   HL    2.3 334  P       01:41:08.86  -0.7 M  1.0  LIA  
    LIA   HL    2.3 334  S       01:41:39.18   0.4 M  1.0  LIA  
    STFN  HA    2.3 279  P       01:41:10.27   0.0 M  1.0  STFN 
    STFN  HA    2.3 279  S       01:41:39.89  -0.1 M  1.0  STFN 
    KARP  HL    2.4 166  P       01:41:10.39  -0.5 M  1.0  KARP 
    MDRA  HA    2.4 276  P       01:41:10.87  -0.1 M  1.0  MDRA 
    VILL  HA    2.5 278  P       01:41:13.12   0.4 M  1.0  VILL 
    VILL  HA    2.5 278  S       01:41:45.00   0.6 M  1.0  VILL 
    EPID  HA    2.7 266  P       01:41:15.41   0.6 M  1.0  EPID 
    STIA  HC    2.7 186  P       01:41:14.63  -0.3 M  1.0  STIA 
    STIA  HC    2.7 186  S       01:41:48.52   0.2 M  1.0  STIA 
    NPS   HL    2.7 195  P       01:41:14.11  -1.0 M  1.0  NPS  
    NPS   HL    2.7 195  S       01:41:49.27   0.7 M  1.0  NPS  
    SMTH  HL    2.7 345  P       01:41:14.81  -0.9 M  1.0  SMTH 
    ZKR   HL    2.7 184  P       01:41:16.06   0.1 M  1.0  ZKR  
    LOUT  HA    2.8 274  P       01:41:16.30   0.1 M  1.0  LOUT 
    LOUT  HA    2.8 274  S       01:41:50.47  -0.2 M  1.0  LOUT 
    LTK   HP    2.8 275  P       01:41:16.31  -0.0 M  1.0  LTK  
    ATAL  HA    2.8 288  P       01:41:17.28   0.0 M  1.0  ATAL 
    ATAL  HA    2.8 288  S       01:41:51.96  -0.6 M  1.0  ATAL 
    LKR   HL    2.8 287  P       01:41:17.30  -0.0 M  1.0  LKR  
    ACOR  HA    2.8 272  P       01:41:17.30  -0.1 M  1.0  ACOR 
    ACOR  HA    2.8 272  S       01:41:52.61  -0.1 M  1.0  ACOR 
    IDI   MN    2.8 207  P       01:41:17.17  -0.4 M  1.0  IDI  
    IDI   MN    2.8 207  S       01:41:53.09   0.1 M  1.0  IDI  
    PFKS  HC    2.9 196  P       01:41:18.22  -0.1 M  1.0  PFKS 
    PFKS  HC    2.9 196  S       01:41:54.72   0.2 M  1.0  PFKS 

38 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    KRL1  HI    0.2 105  MLv     3.88 -0.17    161.927      
    CHOS  HT    0.6 330  MLv     3.86 -0.19    16.3686      
    KLNA  HL    1.0 155  MLv     4.44  0.39    39.3977      
    TNSA  HL    1.1 254  MLv     3.88 -0.17    9.78967      
    MYT1  HI    1.2   4  MLv     4.20  0.14       16.1      
    ASTA  HL    1.3 184  MLv     3.82 -0.24    6.21183      
    PRK   HL    1.4 354  MLv     4.39  0.33    20.2259      
    KARY  HA    1.6 277  MLv     4.03 -0.02    6.97656      
    CMBO  HT    1.6 212  MLv     4.87  0.82    47.3429      
    SAP3  HL    1.7 212  MLv     4.54  0.48    33.8633      
    SNT5  HA    1.7 211  MLv     4.28  0.22    6.56974      
    MRTH  HA    2.0 279  MLv     4.03 -0.03    4.13763      
    MHLO  HL    2.0 235  MLv     4.28  0.22    14.9335      
    DION  HL    2.0 277  MLv     3.51 -0.54     3.5385      
    KYMI  HL    2.0 294  MLv     3.74 -0.32    2.08667      
    PTL   HL    2.1 276  MLv     4.01 -0.04    3.75222      
    VLY   HL    2.1 271  MLv     4.05 -0.00    3.85871      
    ARG   HL    2.1 140  MLv     4.11  0.06    4.35261      
    ATHU  HA    2.1 274  MLv     4.10  0.04    2.61031      
    ATH   HL    2.2 274  MLv     4.15  0.09    4.43939      
    NOAC  HL    2.2 274  MLv     4.14  0.09    4.39042      
    LIA   HL    2.3 334  MLv     3.64 -0.41    2.37868      
    STFN  HA    2.3 279  MLv     3.94 -0.11    2.25623      
    KARP  HL    2.4 166  MLv     3.81 -0.24     2.0692      
    MDRA  HA    2.4 276  MLv     4.05 -0.00    2.73591      
    VILL  HA    2.5 278  MLv     4.18  0.12     3.0825      
    EPID  HA    2.7 266  MLv     4.12  0.06    2.22919      
    STIA  HC    2.7 186  MLv     4.10  0.05    2.09414      
    NPS   HL    2.7 195  MLv     4.00 -0.06    1.63222      
    SMTH  HL    2.7 345  MLv     3.91 -0.14   0.816758      
    ZKR   HL    2.7 184  MLv     4.11  0.06    1.95545      
    LOUT  HA    2.8 274  MLv     4.31  0.26    3.07094      
    LTK   HP    2.8 275  MLv     3.77 -0.28    3.33093      
    ATAL  HA    2.8 288  MLv     3.97 -0.08    1.27475      
    LKR   HL    2.8 287  MLv     4.15  0.10    1.03108      
    ACOR  HA    2.8 272  MLv     4.15  0.09    1.88537      
    IDI   MN    2.8 207  MLv     3.96 -0.09    1.19754      
    PFKS  HC    2.9 196  MLv     4.05 -0.01    1.34679