Earthquake Information
 Origin Time
2021-04-07 21:54:57 (GMT)
 Magnitude
M 4.0
 Latitude
36.4345° N
 Longitude
27.1280° E
 Focal Depth
2 km
 # of Arrivals
38
 Location 53.0 km SSW of Kos
85.5 km N of Karpathos
346.4 km ESE of Athens
 Solution type
manual
 Files / Links
QuakeML  GSE2.0  Alert  .phi  ShakeMap  
  

  Intensity map


PGA
PGV
MI

Download files: Google Earth (.kmz), Measurements (.csv)


  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
NISRHL19.6 1 P21:55:00.73 -0.41.0M
NISRHL19.6 1 S21:55:03.93 -0.31.0M
KLNAHL59.7347 P21:55:07.36 -0.61.0M
KLNAHL59.7347 S21:55:15.28 -1.01.0M
ARGHL92.3105 P21:55:12.92 -0.41.0M
ARGHL92.3105 S21:55:26.34 0.61.0M
KARPHL98.7178 P21:55:15.00 0.61.0M
KARPHL98.7178 S21:55:27.79 0.31.0M
RDI1HI98.1 89 P21:55:13.54 -0.71.0M
RDI1HI98.1 89 S21:55:27.88 0.51.0M
RODBHL97.8 89 P21:55:13.47 -0.81.0M
RODBHL97.8 89 S21:55:27.49 0.21.0M
SAM1HL148.7357 P21:55:22.62 0.51.0M
SAM1HL148.7357 S21:55:41.76 0.51.0M
SMGHL143.5350 P21:55:21.84 0.51.0M
SMGHL143.5350 S21:55:40.51 0.71.0M
THERAHL148.1267 P21:55:22.64 0.51.0M
THERAHL148.1267 S21:55:42.17 0.91.0M
CMBOHT154.1271 P21:55:23.79 0.71.0M
CMBOHT154.1271 S21:55:43.52 0.71.0M
KRL1HI155.8346 P21:55:23.36 0.11.0M
KRL1HI155.8346 S21:55:43.88 0.81.0M
SIT2HI164.7214 P21:55:23.76 -0.81.0M
SIT2HI164.7214 S21:55:46.03 0.51.0M
STIAHC165.9214 P21:55:24.12 -0.71.0M
STIAHC165.9214 S21:55:46.30 0.41.0M
ZKRHL168.2209 P21:55:24.61 -0.61.0M
ZKRHL168.2209 S21:55:46.30 -0.21.0M
NPSHL189.0226 P21:55:27.53 -0.51.0M
KNSSHC215.9235 P21:55:30.80 -0.71.0M
KNSSHC215.9235 S21:55:57.59 -0.11.0M
IMODHC265.7232 P21:55:38.34 0.51.0M
IMODHC265.7232 S21:56:09.10 0.21.0M
IPPLHC268.7243 P21:55:38.21 -0.11.0M
IPPLHC268.7243 S21:56:09.20 -0.41.0M
SIVAHL261.8233 P21:55:37.01 -0.31.0M
IMMVHL303.3249 P21:55:41.74 -1.01.0M
IMMVHL303.3249 S21:56:17.30 -0.11.0M


  Solution details

Event:
    Public ID              nkua2021gvbr
    Description
      region name: Dodecanese Islands, Greece
Origin:
    Date                   2021-04-07
    Time                  21:54:57.03
    Latitude              36.4345 deg  +/-      1 km
    Longitude             27.1280 deg  +/-      1 km
    Depth                       2 km   +/-    1 km
    Agency                 HA
    Author                 Analyst1
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.56 s
    Azimuthal gap              88 deg

2 Network magnitudes:
    MLv       3.97 +/- 0.13  16            
    M         3.97           16 preferred  

38 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    NISR  HL    0.2   1  P       21:55:00.73  -0.4 M  1.0  NISR 
    NISR  HL    0.2   1  S       21:55:03.93  -0.3 M  1.0  NISR 
    KLNA  HL    0.5 347  P       21:55:07.36  -0.6 M  1.0  KLNA 
    KLNA  HL    0.5 347  S       21:55:15.28  -1.0 M  1.0  KLNA 
    ARG   HL    0.8 105  P       21:55:12.92  -0.4 M  1.0  ARG  
    ARG   HL    0.8 105  S       21:55:26.34   0.6 M  1.0  ARG  
    RODB  HL    0.9  89  P       21:55:13.47  -0.8 M  1.0  RODB 
    RODB  HL    0.9  89  S       21:55:27.49   0.2 M  1.0  RODB 
    RDI1  HI    0.9  89  P       21:55:13.54  -0.7 M  1.0  RDI1 
    RDI1  HI    0.9  89  S       21:55:27.88   0.5 M  1.0  RDI1 
    KARP  HL    0.9 178  P       21:55:15.00   0.6 M  1.0  KARP 
    KARP  HL    0.9 178  S       21:55:27.79   0.3 M  1.0  KARP 
    SMG   HL    1.3 350  P       21:55:21.84   0.5 M  1.0  SMG  
    SMG   HL    1.3 350  S       21:55:40.51   0.7 M  1.0  SMG  
    SAM1  HL    1.3 357  P       21:55:22.62   0.5 M  1.0  SAM1 
    SAM1  HL    1.3 357  S       21:55:41.76   0.5 M  1.0  SAM1 
    THERA HL    1.3 267  P       21:55:22.64   0.5 M  1.0  THERA
    THERA HL    1.3 267  S       21:55:42.17   0.9 M  1.0  THERA
    CMBO  HT    1.4 271  P       21:55:23.79   0.7 M  1.0  CMBO 
    CMBO  HT    1.4 271  S       21:55:43.52   0.7 M  1.0  CMBO 
    KRL1  HI    1.4 346  P       21:55:23.36   0.1 M  1.0  KRL1 
    KRL1  HI    1.4 346  S       21:55:43.88   0.8 M  1.0  KRL1 
    SIT2  HI    1.5 214  P       21:55:23.76  -0.8 M  1.0  SIT2 
    SIT2  HI    1.5 214  S       21:55:46.03   0.5 M  1.0  SIT2 
    STIA  HC    1.5 214  P       21:55:24.12  -0.7 M  1.0  STIA 
    STIA  HC    1.5 214  S       21:55:46.30   0.4 M  1.0  STIA 
    ZKR   HL    1.5 209  P       21:55:24.61  -0.6 M  1.0  ZKR  
    ZKR   HL    1.5 209  S       21:55:46.30  -0.2 M  1.0  ZKR  
    NPS   HL    1.7 226  P       21:55:27.53  -0.5 M  1.0  NPS  
    KNSS  HC    1.9 235  P       21:55:30.80  -0.7 M  1.0  KNSS 
    KNSS  HC    1.9 235  S       21:55:57.59  -0.1 M  1.0  KNSS 
    SIVA  HL    2.4 233  P       21:55:37.01  -0.3 M  1.0  SIVA 
    IMOD  HC    2.4 232  P       21:55:38.34   0.5 M  1.0  IMOD 
    IMOD  HC    2.4 232  S       21:56:09.10   0.2 M  1.0  IMOD 
    IPPL  HC    2.4 243  P       21:55:38.21  -0.1 M  1.0  IPPL 
    IPPL  HC    2.4 243  S       21:56:09.20  -0.4 M  1.0  IPPL 
    IMMV  HL    2.7 249  P       21:55:41.74  -1.0 M  1.0  IMMV 
    IMMV  HL    2.7 249  S       21:56:17.30  -0.1 M  1.0  IMMV 

20 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    NISR  HL    0.2   1  MLv     4.22  0.25    428.565      
    KLNA  HL    0.5 347  MLv     3.99  0.02    24.7428      
    ARG   HL    0.8 105  MLv     4.17  0.20    25.8064      
    RODB  HL    0.9  89  MLv     4.18  0.21    24.4444      
    RDI1  HI    0.9  89  MLv     4.27  0.30    30.3976      
    KARP  HL    0.9 178  MLv     3.62 -0.34    8.91937      
    SMG   HL    1.3 350  MLv     3.81 -0.16    6.21405      
    SAM1  HL    1.3 357  MLv     3.13 -0.84    1.22337      
    THERA HL    1.3 267  MLv     3.87 -0.10    6.72873      
    CMBO  HT    1.4 271  MLv     4.54  0.57     29.527      
    KRL1  HI    1.4 346  MLv     4.12  0.16     11.116      
    SIT2  HI    1.5 214  MLv     3.96 -0.01    6.82182      
    STIA  HC    1.5 214  MLv     3.77 -0.20    4.34576      
    ZKR   HL    1.5 209  MLv     3.84 -0.13    4.96506      
    NPS   HL    1.7 226  MLv     3.90 -0.07    4.47484      
    KNSS  HC    1.9 235  MLv     3.85 -0.12    2.94368      
    SIVA  HL    2.4 233  MLv     3.99  0.02    2.40304      
    IMOD  HC    2.4 232  MLv     3.86 -0.11    1.70281      
    IPPL  HC    2.4 243  MLv     3.95 -0.01    2.04954      
    IMMV  HL    2.7 249  MLv     4.06  0.09    1.73638