Earthquake Information
 Origin Time
 2020-10-31 02:10:29 (GMT)
 Magnitude
 M 4.1
 Latitude
 37.8242° N
 Longitude
 26.8892° E
 Focal Depth
 4 km
 # of Arrivals
 20
 Location 10.7 km NW of Samos
69.0 km ENE of Ikaria
277.4 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)
9142-77 1.55E+22

Latitude (°N) Longitude (°E) Depth (km) Magnitude Mw
37.821126.88318.04.1

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
KRL1HI16.4259 P02:10:32.19 -0.41.0M
KRL1HI16.4259 S02:10:35.83 0.71.0M
CHOSHT96.4310 P02:10:46.17 0.21.0M
CHOSHT96.4310 S02:10:57.79 -0.91.0M
KLNAHL96.7176 P02:10:46.02 0.11.0M
KLNAHL96.7176 S02:10:58.36 -0.21.0M
MYT1HI142.9349 P02:10:53.98 0.81.0M
MYT1HI142.9349 S02:11:11.54 0.21.0M
ASTAHL149.9199 P02:10:54.46 0.21.0M
ASTAHL149.9199 S02:11:14.03 0.81.0M
TNSAHL155.2258 P02:10:54.52 -0.61.0M
PRKHL167.1341 P02:10:56.43 -0.41.0M
PRKHL167.1341 S02:11:18.18 0.31.0M
RDI1HI193.1142 P02:10:59.56 -0.81.0M
RDI1HI193.1142 S02:11:24.08 0.11.0M
RODBHL193.4142 P02:11:00.11 -0.21.0M
RODBHL193.4142 S02:11:24.34 0.31.0M
CMBOHT199.8221 P02:11:00.75 -0.51.0M
ARGHL209.9148 P02:11:01.78 -0.71.0M
ARGHL209.9148 S02:11:28.01 0.31.0M


  Solution details 

Event:
    Public ID              nkua2020vjpf
    Type                   earthquake
    Description
      region name: Dodecanese Islands, Greece
Origin:
    Date                   2020-10-31
    Time                  02:10:29.25
    Latitude              37.8242 deg  +/-      1 km
    Longitude             26.8892 deg  +/-      1 km
    Depth                       4 km   +/-    3 km
    Agency                 HA
    Author                 A.Karakonstantis
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.51 s
    Azimuthal gap             153 deg

2 Network magnitudes:
    MLv       4.13 +/- 0.26   9            
    M         4.13            9 preferred  

20 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    KRL1  HI    0.1 259  P       02:10:32.19  -0.4 M  1.0  KRL1 
    KRL1  HI    0.1 259  S       02:10:35.83   0.7 M  1.0  KRL1 
    CHOS  HT    0.9 310  P       02:10:46.17   0.2 M  1.0  CHOS 
    CHOS  HT    0.9 310  S       02:10:57.79  -0.9 M  1.0  CHOS 
    KLNA  HL    0.9 176  P       02:10:46.02   0.1 M  1.0  KLNA 
    KLNA  HL    0.9 176  S       02:10:58.36  -0.2 M  1.0  KLNA 
    MYT1  HI    1.3 349  P       02:10:53.98   0.8 M  1.0  MYT1 
    MYT1  HI    1.3 349  S       02:11:11.54   0.2 M  1.0  MYT1 
    ASTA  HL    1.3 199  P       02:10:54.46   0.2 M  1.0  ASTA 
    ASTA  HL    1.3 199  S       02:11:14.03   0.8 M  1.0  ASTA 
    TNSA  HL    1.4 258  P       02:10:54.52  -0.6 M  1.0  TNSA 
    PRK   HL    1.5 341  P       02:10:56.43  -0.4 M  1.0  PRK  
    PRK   HL    1.5 341  S       02:11:18.18   0.3 M  1.0  PRK  
    RDI1  HI    1.7 142  P       02:10:59.56  -0.8 M  1.0  RDI1 
    RDI1  HI    1.7 142  S       02:11:24.08   0.1 M  1.0  RDI1 
    RODB  HL    1.7 142  P       02:11:00.11  -0.2 M  1.0  RODB 
    RODB  HL    1.7 142  S       02:11:24.34   0.3 M  1.0  RODB 
    CMBO  HT    1.8 221  P       02:11:00.75  -0.5 M  1.0  CMBO 
    ARG   HL    1.9 148  P       02:11:01.78  -0.7 M  1.0  ARG  
    ARG   HL    1.9 148  S       02:11:28.01   0.3 M  1.0  ARG  

11 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    KRL1  HI    0.1 259  MLv     3.50 -0.62    99.0405      
    CHOS  HT    0.9 310  MLv     3.93 -0.19    14.1947      
    KLNA  HL    0.9 176  MLv     4.51  0.38    53.6912      
    MYT1  HI    1.3 349  MLv     4.24  0.11     16.932      
    ASTA  HL    1.3 199  MLv     3.98 -0.15    8.48223      
    TNSA  HL    1.4 258  MLv     3.43 -0.70    2.25488      
    PRK   HL    1.5 341  MLv     4.07 -0.06    8.64333      
    RDI1  HI    1.7 142  MLv     4.30  0.17    10.7219      
    RODB  HL    1.7 142  MLv     4.25  0.12    9.68828      
    CMBO  HT    1.8 221  MLv     4.54  0.41    17.2882      
    ARG   HL    1.9 148  MLv     4.28  0.15    8.50706