Earthquake Information
 Origin Time
2020-10-30 16:18:28 (GMT)
 Magnitude
M 4.0
 Latitude
37.6173° N
 Longitude
27.1140° E
 Focal Depth
9 km
 # of Arrivals
23
 Location 19.7 km SE of Samos
82.0 km N of Kos
299.8 km E of Athens
 Solution type
manual
 Files / Links
QuakeML  GSE2.0  Alert  .phi  Foc.Mech.
  

  Focal Mechanism

Foc.Mech. Strike (°) Dip (°) Rake (°) Seism.Mom. (dyn*cm)
7938-75 7.89E+21

Latitude (°N) Longitude (°E) Depth (km) Magnitude Mw
37.617027.096812.03.9

Source parameters determination

Click here for detailed focal mechanism solution


  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
KRL1HI40.9299 P16:18:35.52 -0.71.0M
KRL1HI40.9299 S16:18:41.67 -0.41.0M
KLNAHL74.5190 P16:18:41.30 -0.21.0M
KLNAHL74.5190 S16:18:51.14 -0.11.0M
CHOSHT126.5313 P16:18:49.78 0.31.0M
CHOSHT126.5313 S16:19:06.38 1.21.0M
ASTAHL137.0210 P16:18:51.57 0.61.0M
ASTAHL137.0210 S16:19:08.56 0.81.0M
NAX1HI164.1250 P16:18:55.33 0.71.0M
NAX1HI164.1250 S16:19:14.39 -0.11.0M
MYT1HI170.0344 P16:18:55.78 0.41.0M
MYT1HI170.0344 S16:19:15.68 -0.11.0M
TNSAHL172.1268 P16:18:55.35 -0.41.0M
TNSAHL172.1268 S16:19:16.27 -0.21.0M
ARGHL180.0150 P16:18:57.10 0.41.0M
ARGHL180.0150 S16:19:17.53 -0.71.0M
PRKHL195.6338 P16:18:58.73 0.01.0M
PRKHL195.6338 S16:19:21.21 -0.71.0M
THR8HT198.0228 P16:18:58.72 -0.41.0M
CMBOHT198.1231 P16:18:59.06 0.01.0M
CMBOHT198.1231 S16:19:22.21 -0.41.0M
THR3HT202.9229 P16:19:00.19 0.41.0M
THR3HT202.9229 S16:19:23.35 -0.41.0M


  Solution details

Event:
    Public ID              nkua2020vivs
    Type                   earthquake
    Description
      region name: Turkey
Origin:
    Date                   2020-10-30
    Time                  16:18:28.25  +/-    0.4 s
    Latitude              37.6173 deg  +/-      1 km
    Longitude             27.1140 deg  +/-      2 km
    Depth                       9 km   +/-    2 km
    Agency                 HA
    Author                 A.Karakonstantis
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.51 s
    Azimuthal gap             166 deg

2 Network magnitudes:
    MLv       4.00 +/- 0.22  10            
    M         4.00           10 preferred  

23 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    KRL1  HI    0.4 299  P       16:18:35.52  -0.7 M  1.0  KRL1 
    KRL1  HI    0.4 299  S       16:18:41.67  -0.4 M  1.0  KRL1 
    KLNA  HL    0.7 190  P       16:18:41.30  -0.2 M  1.0  KLNA 
    KLNA  HL    0.7 190  S       16:18:51.14  -0.1 M  1.0  KLNA 
    CHOS  HT    1.1 313  P       16:18:49.78   0.3 M  1.0  CHOS 
    CHOS  HT    1.1 313  S       16:19:06.38   1.2 M  1.0  CHOS 
    ASTA  HL    1.2 210  P       16:18:51.57   0.6 M  1.0  ASTA 
    ASTA  HL    1.2 210  S       16:19:08.56   0.8 M  1.0  ASTA 
    NAX1  HI    1.5 250  P       16:18:55.33   0.7 M  1.0  NAX1 
    NAX1  HI    1.5 250  S       16:19:14.39  -0.1 M  1.0  NAX1 
    MYT1  HI    1.5 344  P       16:18:55.78   0.4 M  1.0  MYT1 
    MYT1  HI    1.5 344  S       16:19:15.68  -0.1 M  1.0  MYT1 
    TNSA  HL    1.6 268  P       16:18:55.35  -0.4 M  1.0  TNSA 
    TNSA  HL    1.6 268  S       16:19:16.27  -0.2 M  1.0  TNSA 
    ARG   HL    1.6 150  P       16:18:57.10   0.4 M  1.0  ARG  
    ARG   HL    1.6 150  S       16:19:17.53  -0.7 M  1.0  ARG  
    PRK   HL    1.8 338  P       16:18:58.73  -0.0 M  1.0  PRK  
    PRK   HL    1.8 338  S       16:19:21.21  -0.7 M  1.0  PRK  
    THR8  HT    1.8 228  P       16:18:58.72  -0.4 M  1.0  THR8 
    CMBO  HT    1.8 231  P       16:18:59.06  -0.0 M  1.0  CMBO 
    CMBO  HT    1.8 231  S       16:19:22.21  -0.4 M  1.0  CMBO 
    THR3  HT    1.8 229  P       16:19:00.19   0.4 M  1.0  THR3 
    THR3  HT    1.8 229  S       16:19:23.35  -0.4 M  1.0  THR3 

12 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    KRL1  HI    0.4 299  MLv     3.78 -0.22    45.2825      
    KLNA  HL    0.7 190  MLv     4.62  0.62    89.5198      
    CHOS  HT    1.1 313  MLv     3.64 -0.36    5.06198      
    ASTA  HL    1.2 210  MLv     4.16  0.16    14.8844      
    NAX1  HI    1.5 250  MLv     3.63 -0.37    3.26838      
    MYT1  HI    1.5 344  MLv     4.02  0.02    7.36266      
    TNSA  HL    1.6 268  MLv     3.53 -0.47    2.34311      
    ARG   HL    1.6 150  MLv     4.05  0.05    7.06081      
    PRK   HL    1.8 338  MLv     4.10  0.10    6.62829      
    THR8  HT    1.8 228  MLv     4.15  0.15    16.6042      
    CMBO  HT    1.8 231  MLv     4.33  0.33    10.8891      
    THR3  HT    1.8 229  MLv     4.14  0.14    17.5214