Earthquake Information
 Origin Time
 2020-10-31 00:20:51 (GMT)
 Magnitude
 M 3.9
 Latitude
 37.8219° N
 Longitude
 26.9869° E
 Focal Depth
 8 km
 # of Arrivals
 36
 Location 7.2 km N of Samos
76.9 km ENE of Ikaria
286.0 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)
9947-107 8.48E+21

Latitude (°N) Longitude (°E) Depth (km) Magnitude Mw
37.813226.965012.03.9

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
KRL1HI24.8263 P00:20:56.26 -0.31.0M
KRL1HI24.8263 S00:21:00.05 -0.41.0M
KLNAHL96.2181 P00:21:07.75 -0.21.0M
KLNAHL96.2181 S00:21:21.14 1.01.0M
CHOSHT103.2308 P00:21:09.36 0.31.0M
CHOSHT103.2308 S00:21:22.82 0.71.0M
ASTAHL152.7202 P00:21:16.75 0.71.0M
PRKHL170.3339 P00:21:18.77 0.31.0M
PRKHL170.3339 S00:21:39.29 0.41.0M
ARGHL205.2150 P00:21:22.86 -0.21.0M
ARGHL205.2150 S00:21:47.69 0.41.0M
CMBOHT205.4224 P00:21:23.44 0.31.0M
CMBOHT205.4224 S00:21:48.65 1.21.0M
SNT5HA211.6222 P00:21:24.65 0.71.0M
SNT5HA211.6222 S00:21:48.64 -0.31.0M
KARPHL253.4176 P00:21:28.05 -1.01.0M
KARPHL253.4176 S00:21:58.35 0.11.0M
DIONHL269.3277 P00:21:30.53 -0.61.0M
DIONHL269.3277 S00:22:02.00 0.01.0M
PTLHL275.0276 P00:21:31.35 -0.51.0M
LIAHL278.8326 P00:21:32.07 -0.21.0M
LIAHL278.8326 S00:22:04.48 0.61.0M
VLYHL280.4272 P00:21:31.98 -0.61.0M
VLYHL280.4272 S00:22:04.40 -0.11.0M
ATHUHA281.5274 P00:21:32.05 -0.61.0M
ATHUHA281.5274 S00:22:04.62 -0.11.0M
STIAHC302.1196 P00:21:34.68 -0.41.0M
STIAHC302.1196 S00:22:08.92 -0.11.0M
ZKRHL308.8193 P00:21:36.23 0.31.0M
ZKRHL308.8193 S00:22:10.61 0.11.0M
NPSHL310.1204 P00:21:35.05 -1.11.0M
NPSHL310.1204 S00:22:11.13 0.31.0M
SMTHHL320.2337 P00:21:37.02 -0.31.0M
SMTHHL320.2337 S00:22:13.27 0.21.0M
PFKSHC337.4204 P00:21:39.49 0.01.0M
PFKSHC337.4204 S00:22:16.15 -0.71.0M


  Solution details 

Event:
    Public ID              nkua2020vjlq
    Type                   earthquake
    Description
      region name: Dodecanese Islands, Greece
Origin:
    Date                   2020-10-31
    Time                  00:20:51.21  +/-    0.4 s
    Latitude              37.8219 deg  +/-      1 km
    Longitude             26.9869 deg  +/-      2 km
    Depth                       8 km   +/-    2 km
    Agency                 HA
    Author                 A.Karakonstantis
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.53 s
    Azimuthal gap             172 deg

2 Network magnitudes:
    MLv       3.92 +/- 0.18  15            
    M         3.92           15 preferred  

36 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    KRL1  HI    0.2 263  P       00:20:56.26  -0.3 M  1.0  KRL1 
    KRL1  HI    0.2 263  S       00:21:00.05  -0.4 M  1.0  KRL1 
    KLNA  HL    0.9 181  P       00:21:07.75  -0.2 M  1.0  KLNA 
    KLNA  HL    0.9 181  S       00:21:21.14   1.0 M  1.0  KLNA 
    CHOS  HT    0.9 308  P       00:21:09.36   0.3 M  1.0  CHOS 
    CHOS  HT    0.9 308  S       00:21:22.82   0.7 M  1.0  CHOS 
    ASTA  HL    1.4 202  P       00:21:16.75   0.7 M  1.0  ASTA 
    PRK   HL    1.5 339  P       00:21:18.77   0.3 M  1.0  PRK  
    PRK   HL    1.5 339  S       00:21:39.29   0.4 M  1.0  PRK  
    ARG   HL    1.8 150  P       00:21:22.86  -0.2 M  1.0  ARG  
    ARG   HL    1.8 150  S       00:21:47.69   0.4 M  1.0  ARG  
    CMBO  HT    1.8 224  P       00:21:23.44   0.3 M  1.0  CMBO 
    CMBO  HT    1.8 224  S       00:21:48.65   1.2 M  1.0  CMBO 
    SNT5  HA    1.9 222  P       00:21:24.65   0.7 M  1.0  SNT5 
    SNT5  HA    1.9 222  S       00:21:48.64  -0.3 M  1.0  SNT5 
    KARP  HL    2.3 176  P       00:21:28.05  -1.0 M  1.0  KARP 
    KARP  HL    2.3 176  S       00:21:58.35   0.1 M  1.0  KARP 
    DION  HL    2.4 277  P       00:21:30.53  -0.6 M  1.0  DION 
    DION  HL    2.4 277  S       00:22:02.00   0.0 M  1.0  DION 
    PTL   HL    2.5 276  P       00:21:31.35  -0.5 M  1.0  PTL  
    LIA   HL    2.5 326  P       00:21:32.07  -0.2 M  1.0  LIA  
    LIA   HL    2.5 326  S       00:22:04.48   0.6 M  1.0  LIA  
    VLY   HL    2.5 272  P       00:21:31.98  -0.6 M  1.0  VLY  
    VLY   HL    2.5 272  S       00:22:04.40  -0.1 M  1.0  VLY  
    ATHU  HA    2.5 274  P       00:21:32.05  -0.6 M  1.0  ATHU 
    ATHU  HA    2.5 274  S       00:22:04.62  -0.1 M  1.0  ATHU 
    STIA  HC    2.7 196  P       00:21:34.68  -0.4 M  1.0  STIA 
    STIA  HC    2.7 196  S       00:22:08.92  -0.1 M  1.0  STIA 
    ZKR   HL    2.8 193  P       00:21:36.23   0.3 M  1.0  ZKR  
    ZKR   HL    2.8 193  S       00:22:10.61   0.1 M  1.0  ZKR  
    NPS   HL    2.8 204  P       00:21:35.05  -1.1 M  1.0  NPS  
    NPS   HL    2.8 204  S       00:22:11.13   0.3 M  1.0  NPS  
    SMTH  HL    2.9 337  P       00:21:37.02  -0.3 M  1.0  SMTH 
    SMTH  HL    2.9 337  S       00:22:13.27   0.2 M  1.0  SMTH 
    PFKS  HC    3.0 204  P       00:21:39.49   0.0 M  1.0  PFKS 
    PFKS  HC    3.0 204  S       00:22:16.15  -0.7 M  1.0  PFKS 

19 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    KRL1  HI    0.2 263  MLv     3.85 -0.07    133.804      
    KLNA  HL    0.9 181  MLv     4.53  0.61    56.1744      
    CHOS  HT    0.9 308  MLv     3.95  0.03    13.6575      
    ASTA  HL    1.4 202  MLv     4.01  0.10    8.91921      
    PRK   HL    1.5 339  MLv     4.10  0.18    8.88793      
    ARG   HL    1.8 150  MLv     4.02  0.10     4.8995      
    CMBO  HT    1.8 224  MLv     4.81  0.89    30.2133      
    SNT5  HA    1.9 222  MLv     4.25  0.33     4.6043      
    KARP  HL    2.3 176  MLv     3.53 -0.38    1.22157      
    DION  HL    2.4 277  MLv     3.11 -0.80   0.825596      
    PTL   HL    2.5 276  MLv     3.56 -0.35     0.7733      
    LIA   HL    2.5 326  MLv     3.45 -0.47    1.14089      
    VLY   HL    2.5 272  MLv     3.85 -0.07    1.40366      
    ATHU  HA    2.5 274  MLv     3.78 -0.14   0.731094      
    STIA  HC    2.7 196  MLv     3.89 -0.03    1.19488      
    ZKR   HL    2.8 193  MLv     3.83 -0.08   0.975606      
    NPS   HL    2.8 204  MLv     4.01  0.09    1.44147      
    SMTH  HL    2.9 337  MLv     4.04  0.13   0.898892      
    PFKS  HC    3.0 204  MLv     4.06  0.15    1.19299