Earthquake Information
 Origin Time
 2020-10-30 21:46:25 (GMT)
 Magnitude
 M 4.0
 Latitude
 37.8387° N
 Longitude
 26.7948° E
 Focal Depth
 7 km
 # of Arrivals
 18
 Location 18.4 km WNW of Samos
62.1 km ENE of Ikaria
269.1 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)
11147-113 4.57E+21

Latitude (°N) Longitude (°E) Depth (km) Magnitude Mw
37.848626.864111.03.7

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
KRL1HI9.1238 P21:46:28.15 0.21.0M
KRL1HI9.1238 S21:46:30.16 0.61.0M
CHOSHT89.2313 P21:46:41.26 0.11.0M
CHOSHT89.2313 S21:46:52.56 -0.31.0M
KLNAHL99.3171 P21:46:42.02 -0.61.0M
KLNAHL99.3171 S21:46:55.73 0.31.0M
MYT1HI140.0352 P21:46:49.29 0.31.0M
MYT1HI140.0352 S21:47:06.92 0.31.0M
ASTAHL149.0195 P21:46:50.32 -0.11.0M
ASTAHL149.0195 S21:47:09.96 0.81.0M
NAX1HI149.8237 P21:46:51.04 0.51.0M
PRKHL163.1344 P21:46:51.84 -0.71.0M
CMBOHT195.7219 P21:46:57.04 0.11.0M
CMBOHT195.7219 S21:47:20.56 0.01.0M
SAP3HL202.1220 P21:46:57.56 -0.21.0M
SAP3HL202.1220 S21:47:22.00 -0.11.0M
SNT5HA202.1218 P21:46:57.94 0.21.0M
SNT5HA202.1218 S21:47:22.03 0.01.0M


  Solution details 

Event:
    Public ID              nkua2020vjgn
    Type                   earthquake
    Description
      region name: Dodecanese Islands, Greece
Origin:
    Date                   2020-10-30
    Time                  21:46:25.73
    Latitude              37.8387 deg  +/-      1 km
    Longitude             26.7948 deg  +/-      1 km
    Depth                       7 km   +/-    2 km
    Agency                 HA
    Author                 A.Karakonstantis
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.39 s
    Azimuthal gap             179 deg

2 Network magnitudes:
    MLv       3.96 +/- 0.19   8            
    M         3.96            8 preferred  

18 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    KRL1  HI    0.1 238  P       21:46:28.15   0.2 M  1.0  KRL1 
    KRL1  HI    0.1 238  S       21:46:30.16   0.6 M  1.0  KRL1 
    CHOS  HT    0.8 313  P       21:46:41.26   0.1 M  1.0  CHOS 
    CHOS  HT    0.8 313  S       21:46:52.56  -0.3 M  1.0  CHOS 
    KLNA  HL    0.9 171  P       21:46:42.02  -0.6 M  1.0  KLNA 
    KLNA  HL    0.9 171  S       21:46:55.73   0.3 M  1.0  KLNA 
    MYT1  HI    1.3 352  P       21:46:49.29   0.3 M  1.0  MYT1 
    MYT1  HI    1.3 352  S       21:47:06.92   0.3 M  1.0  MYT1 
    ASTA  HL    1.3 195  P       21:46:50.32  -0.1 M  1.0  ASTA 
    ASTA  HL    1.3 195  S       21:47:09.96   0.8 M  1.0  ASTA 
    NAX1  HI    1.3 237  P       21:46:51.04   0.5 M  1.0  NAX1 
    PRK   HL    1.5 344  P       21:46:51.84  -0.7 M  1.0  PRK  
    CMBO  HT    1.8 219  P       21:46:57.04   0.1 M  1.0  CMBO 
    CMBO  HT    1.8 219  S       21:47:20.56  -0.0 M  1.0  CMBO 
    SAP3  HL    1.8 220  P       21:46:57.56  -0.2 M  1.0  SAP3 
    SAP3  HL    1.8 220  S       21:47:22.00  -0.1 M  1.0  SAP3 
    SNT5  HA    1.8 218  P       21:46:57.94   0.2 M  1.0  SNT5 
    SNT5  HA    1.8 218  S       21:47:22.03  -0.0 M  1.0  SNT5 

10 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    KRL1  HI    0.1 238  MLv     3.75 -0.21     263.82      
    CHOS  HT    0.8 313  MLv     3.95 -0.01    15.9362      
    KLNA  HL    0.9 171  MLv     4.15  0.19    22.5186      
    MYT1  HI    1.3 352  MLv     3.95 -0.02    8.87705      
    ASTA  HL    1.3 195  MLv     3.49 -0.47    2.79227      
    NAX1  HI    1.3 237  MLv     3.64 -0.32    3.89233      
    PRK   HL    1.5 344  MLv     4.10  0.13    9.60564      
    CMBO  HT    1.8 219  MLv     4.47  0.51    15.7388      
    SAP3  HL    1.8 220  MLv     4.21  0.25     13.246      
    SNT5  HA    1.8 218  MLv     3.94 -0.02      2.522