Earthquake Information
 Origin Time
2020-10-31 08:46:59 (GMT)
 Magnitude
M 3.9
 Latitude
37.8405° N
 Longitude
26.4593° E
 Focal Depth
7 km
 # of Arrivals
53
 Location 38.5 km NE of Ikaria
46.4 km WNW of Samos
239.7 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)
9560-93 1.41E+22

Latitude (°N) Longitude (°E) Depth (km) Magnitude Mw
37.926426.486013.04.0

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
KRL1HI22.3103 P08:47:04.07 0.01.0M
KRL1HI22.3103 S08:47:07.37 -0.21.0M
CHOSHT70.5330 P08:47:11.55 -0.31.0M
CHOSHT70.5330 S08:47:20.94 0.01.0M
TNSAHL118.9254 P08:47:19.57 0.01.0M
TNSAHL118.9254 S08:47:34.92 0.51.0M
MYT1HI138.7 4 P08:47:22.48 0.21.0M
MYT1HI138.7 4 S08:47:40.52 1.21.0M
PRKHL157.2354 P08:47:24.37 -0.41.0M
PRKHL157.2354 S08:47:45.03 1.21.0M
KARYHA178.6277 P08:47:27.50 -0.21.0M
KARYHA178.6277 S08:47:50.44 1.21.0M
CMBOHT178.6212 P08:47:27.49 -0.21.0M
SAP3HL184.8213 P08:47:28.14 -0.41.0M
SAP3HL184.8213 S08:47:51.40 0.81.0M
SKYHL203.0305 P08:47:30.87 -0.11.0M
MRTHHA222.9279 P08:47:33.22 -0.41.0M
MRTHHA222.9279 S08:48:00.03 0.21.0M
DIONHL223.0278 P08:47:33.22 -0.41.0M
DIONHL223.0278 S08:48:00.35 0.51.0M
PTLHL228.7277 P08:47:34.10 -0.21.0M
ARGHL233.4140 P08:47:34.95 0.11.0M
ARGHL233.4140 S08:48:02.00 -0.11.0M
VLYHL234.0271 P08:47:34.79 -0.21.0M
ATHUHA235.1274 P08:47:34.89 -0.21.0M
ATHHL241.0274 P08:47:35.84 0.01.0M
ATHHL241.0274 S08:48:02.87 -1.01.0M
LIAHL254.1334 P08:47:36.67 -0.71.0M
STFNHA258.1279 P08:47:38.19 0.31.0M
STFNHA258.1279 S08:48:07.22 -0.51.0M
MDRAHA263.6276 P08:47:38.72 0.11.0M
MDRAHA263.6276 S08:48:08.45 -0.51.0M
VILLHA278.1278 P08:47:40.60 0.21.0M
VILLHA278.1278 S08:48:11.85 -0.31.0M
SMTHHL303.2345 P08:47:42.73 -0.71.0M
SMTHHL303.2345 S08:48:17.48 0.01.0M
ZKRHL303.9184 P08:47:43.55 0.11.0M
ZKRHL303.9184 S08:48:18.31 0.71.0M
LOUTHA306.1274 P08:47:44.23 0.31.0M
LTKHP306.9275 P08:47:44.15 0.21.0M
ATALHA314.7289 P08:47:45.09 0.11.0M
ATALHA314.7289 S08:48:19.71 -0.61.0M
ACORHA315.2272 P08:47:44.97 -0.11.0M
ACORHA315.2272 S08:48:20.36 -0.11.0M
PFKSHC323.3196 P08:47:45.54 -0.31.0M
PFKSHC323.3196 S08:48:21.73 -0.21.0M
VLIHL334.9249 P08:47:47.48 0.01.0M
VLIHL334.9249 S08:48:25.40 0.61.0M
PAIGHT335.1315 P08:47:47.41 0.01.0M
PAIGHT335.1315 S08:48:24.87 0.21.0M
ALNHT341.5354 P08:47:47.57 -0.41.0M
ALNHT341.5354 S08:48:25.69 -0.11.0M
OURHT350.1323 P08:47:48.87 -0.41.0M


  Solution details

Event:
    Public ID              nkua2020vkci
    Type                   earthquake
    Description
      region name: Dodecanese Islands, Greece
Origin:
    Date                   2020-10-31
    Time                  08:46:59.25  +/-    0.2 s
    Latitude              37.8405 deg  +/-      1 km
    Longitude             26.4593 deg  +/-      2 km
    Depth                       7 km   +/-    2 km
    Agency                 HA
    Author                 A.Karakonstantis
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.45 s
    Azimuthal gap              99 deg

2 Network magnitudes:
    MLv       3.87 +/- 0.16  25            
    M         3.87           25 preferred  

53 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    KRL1  HI    0.2 103  P       08:47:04.07   0.0 M  1.0  KRL1 
    KRL1  HI    0.2 103  S       08:47:07.37  -0.2 M  1.0  KRL1 
    CHOS  HT    0.6 330  P       08:47:11.55  -0.3 M  1.0  CHOS 
    CHOS  HT    0.6 330  S       08:47:20.94  -0.0 M  1.0  CHOS 
    TNSA  HL    1.1 254  P       08:47:19.57   0.0 M  1.0  TNSA 
    TNSA  HL    1.1 254  S       08:47:34.92   0.5 M  1.0  TNSA 
    MYT1  HI    1.2   4  P       08:47:22.48   0.2 M  1.0  MYT1 
    MYT1  HI    1.2   4  S       08:47:40.52   1.2 M  1.0  MYT1 
    PRK   HL    1.4 354  P       08:47:24.37  -0.4 M  1.0  PRK  
    PRK   HL    1.4 354  S       08:47:45.03   1.2 M  1.0  PRK  
    CMBO  HT    1.6 212  P       08:47:27.49  -0.2 M  1.0  CMBO 
    KARY  HA    1.6 277  P       08:47:27.50  -0.2 M  1.0  KARY 
    KARY  HA    1.6 277  S       08:47:50.44   1.2 M  1.0  KARY 
    SAP3  HL    1.7 213  P       08:47:28.14  -0.4 M  1.0  SAP3 
    SAP3  HL    1.7 213  S       08:47:51.40   0.8 M  1.0  SAP3 
    SKY   HL    1.8 305  P       08:47:30.87  -0.1 M  1.0  SKY  
    MRTH  HA    2.0 279  P       08:47:33.22  -0.4 M  1.0  MRTH 
    MRTH  HA    2.0 279  S       08:48:00.03   0.2 M  1.0  MRTH 
    DION  HL    2.0 278  P       08:47:33.22  -0.4 M  1.0  DION 
    DION  HL    2.0 278  S       08:48:00.35   0.5 M  1.0  DION 
    PTL   HL    2.1 277  P       08:47:34.10  -0.2 M  1.0  PTL  
    ARG   HL    2.1 140  P       08:47:34.95   0.1 M  1.0  ARG  
    ARG   HL    2.1 140  S       08:48:02.00  -0.1 M  1.0  ARG  
    VLY   HL    2.1 271  P       08:47:34.79  -0.2 M  1.0  VLY  
    ATHU  HA    2.1 274  P       08:47:34.89  -0.2 M  1.0  ATHU 
    ATH   HL    2.2 274  P       08:47:35.84   0.0 M  1.0  ATH  
    ATH   HL    2.2 274  S       08:48:02.87  -1.0 M  1.0  ATH  
    LIA   HL    2.3 334  P       08:47:36.67  -0.7 M  1.0  LIA  
    STFN  HA    2.3 279  P       08:47:38.19   0.3 M  1.0  STFN 
    STFN  HA    2.3 279  S       08:48:07.22  -0.5 M  1.0  STFN 
    MDRA  HA    2.4 276  P       08:47:38.72   0.1 M  1.0  MDRA 
    MDRA  HA    2.4 276  S       08:48:08.45  -0.5 M  1.0  MDRA 
    VILL  HA    2.5 278  P       08:47:40.60   0.2 M  1.0  VILL 
    VILL  HA    2.5 278  S       08:48:11.85  -0.3 M  1.0  VILL 
    SMTH  HL    2.7 345  P       08:47:42.73  -0.7 M  1.0  SMTH 
    SMTH  HL    2.7 345  S       08:48:17.48  -0.0 M  1.0  SMTH 
    ZKR   HL    2.7 184  P       08:47:43.55   0.1 M  1.0  ZKR  
    ZKR   HL    2.7 184  S       08:48:18.31   0.7 M  1.0  ZKR  
    LOUT  HA    2.8 274  P       08:47:44.23   0.3 M  1.0  LOUT 
    LTK   HP    2.8 275  P       08:47:44.15   0.2 M  1.0  LTK  
    ATAL  HA    2.8 289  P       08:47:45.09   0.1 M  1.0  ATAL 
    ATAL  HA    2.8 289  S       08:48:19.71  -0.6 M  1.0  ATAL 
    ACOR  HA    2.8 272  P       08:47:44.97  -0.1 M  1.0  ACOR 
    ACOR  HA    2.8 272  S       08:48:20.36  -0.1 M  1.0  ACOR 
    PFKS  HC    2.9 196  P       08:47:45.54  -0.3 M  1.0  PFKS 
    PFKS  HC    2.9 196  S       08:48:21.73  -0.2 M  1.0  PFKS 
    PAIG  HT    3.0 315  P       08:47:47.41   0.0 M  1.0  PAIG 
    PAIG  HT    3.0 315  S       08:48:24.87   0.2 M  1.0  PAIG 
    VLI   HL    3.0 249  P       08:47:47.48   0.0 M  1.0  VLI  
    VLI   HL    3.0 249  S       08:48:25.40   0.6 M  1.0  VLI  
    ALN   HT    3.1 354  P       08:47:47.57  -0.4 M  1.0  ALN  
    ALN   HT    3.1 354  S       08:48:25.69  -0.1 M  1.0  ALN  
    OUR   HT    3.1 323  P       08:47:48.87  -0.4 M  1.0  OUR  

31 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    KRL1  HI    0.2 103  MLv     3.47 -0.40    65.2736      
    CHOS  HT    0.6 330  MLv     3.82 -0.05    14.7842      
    TNSA  HL    1.1 254  MLv     3.88  0.00    9.58695      
    MYT1  HI    1.2   4  MLv     4.34  0.47    22.3805      
    PRK   HL    1.4 354  MLv     4.65  0.77    36.3738      
    CMBO  HT    1.6 212  MLv     4.55  0.68    22.6873      
    KARY  HA    1.6 277  MLv     3.77 -0.10    3.77684      
    SAP3  HL    1.7 213  MLv     4.15  0.28    13.9846      
    SKY   HL    1.8 305  MLv     3.34 -0.53    1.75553      
    MRTH  HA    2.0 279  MLv     3.88  0.01     2.9409      
    DION  HL    2.0 278  MLv     3.48 -0.40    3.24132      
    PTL   HL    2.1 277  MLv     3.88  0.01    2.75023      
    ARG   HL    2.1 140  MLv     3.82 -0.05    2.26885      
    VLY   HL    2.1 271  MLv     3.99  0.12    3.32784      
    ATHU  HA    2.1 274  MLv     3.96  0.08    1.86825      
    ATH   HL    2.2 274  MLv     4.13  0.26    4.25925      
    LIA   HL    2.3 334  MLv     3.60 -0.27     2.1382      
    STFN  HA    2.3 279  MLv     3.72 -0.16    1.33945      
    MDRA  HA    2.4 276  MLv     3.88  0.01    1.85285      
    VILL  HA    2.5 278  MLv     3.99  0.12    1.99708      
    SMTH  HL    2.7 345  MLv     3.84 -0.03   0.683809      
    ZKR   HL    2.7 184  MLv     3.74 -0.13   0.840797      
    LOUT  HA    2.8 274  MLv     4.17  0.29    2.17528      
    LTK   HP    2.8 275  MLv     3.67 -0.20    2.61266      
    ATAL  HA    2.8 289  MLv     3.77 -0.10   0.787957      
    ACOR  HA    2.8 272  MLv     4.04  0.16    1.45589      
    PFKS  HC    2.9 196  MLv     3.76 -0.12   0.694739      
    PAIG  HT    3.0 315  MLv     3.31 -0.56   0.166779      
    VLI   HL    3.0 249  MLv     3.94  0.07    1.20334      
    ALN   HT    3.1 354  MLv     4.30  0.43    1.52191      
    OUR   HT    3.1 323  MLv     3.68 -0.20    0.42327