Earthquake Information
 Origin Time
2021-01-20 23:37:56 (GMT)
 Magnitude
M 4.3
 Latitude
37.8555° N
 Longitude
26.7253° E
 Focal Depth
12 km
 # of Arrivals
52
 Location 24.7 km WNW of Samos
57.7 km ENE of Ikaria
262.8 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)
22874-153 8.26E+22

Latitude (°N) Longitude (°E) Depth (km) Magnitude Mw
37.857426.725612.04.5

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
KRL1HI6.9194 P23:37:58.95 -0.21.0M
KRL1HI6.9194 S23:38:01.41 0.31.0M
SAM2HL14.7223 P23:38:00.19 0.11.0M
SAM2HL14.7223 S23:38:03.01 0.21.0M
SMGHL19.5150 P23:38:00.62 -0.21.0M
SMGHL19.5150 S23:38:03.67 -0.31.0M
SAM1HL28.2110 P23:38:02.01 -0.11.0M
SAM1HL28.2110 S23:38:06.07 -0.31.0M
KLNAHL102.3168 P23:38:13.94 0.11.0M
KLNAHL102.3168 S23:38:27.73 0.91.0M
APEHL137.2231 P23:38:19.48 0.21.0M
APEHL137.2231 S23:38:37.38 0.81.0M
MYT1HI137.4354 P23:38:19.77 0.61.0M
MYT1HI137.4354 S23:38:37.31 1.01.0M
TNSAHL141.9256 P23:38:19.85 -0.11.0M
TNSAHL141.9256 S23:38:38.50 0.81.0M
PRKHL159.7345 P23:38:22.28 -0.31.0M
PRKHL159.7345 S23:38:42.45 0.11.0M
THNOHC151.4262 P23:38:21.05 -0.41.0M
THNOHC151.4262 S23:38:40.73 0.41.0M
CMBOHT193.3217 P23:38:27.76 0.81.0M
CMBOHT193.3217 S23:38:49.95 -0.11.0M
KARYHA201.6276 P23:38:27.76 -0.41.0M
RODBHL205.2140 P23:38:28.61 0.11.0M
RODBHL205.2140 S23:38:52.98 0.31.0M
SAP3HL199.7218 P23:38:28.25 0.41.0M
SAP3HL199.7218 S23:38:51.25 -0.21.0M
THERAHL199.2214 P23:38:27.81 0.11.0M
THERAHL199.2214 S23:38:51.12 -0.21.0M
ARGHL220.6146 P23:38:30.44 0.01.0M
ARGHL220.6146 S23:38:56.01 -0.11.0M
DIONHL246.0276 P23:38:33.61 -0.31.0M
EFSAHL240.4321 P23:38:33.06 0.11.0M
EFSAHL240.4321 S23:39:00.31 -0.31.0M
KYMIHL245.0291 P23:38:32.73 -1.01.0M
KYMIHL245.0291 S23:39:01.83 0.01.0M
MHLOHL243.0238 P23:38:33.19 -0.21.0M
MHLOHL243.0238 S23:39:00.97 -0.31.0M
MRTHHA245.8277 P23:38:33.56 -0.21.0M
MRTHHA245.8277 S23:39:02.05 0.11.0M
ATHUHA258.3273 P23:38:34.99 -0.41.0M
KARPHL259.6171 P23:38:34.84 -0.61.0M
VLYHL257.3270 P23:38:34.97 -0.31.0M
VLYHL257.3270 S23:39:04.15 -0.51.0M
ATHHL264.2273 P23:38:35.92 -0.21.0M
LIAHL263.5329 P23:38:35.74 -0.21.0M
LIAHL263.5329 S23:39:05.24 -0.61.0M
NOACHL264.2273 P23:38:35.96 -0.21.0M
STFNHA281.0277 P23:38:38.49 0.11.0M
AOS2HT289.0300 P23:38:39.21 -0.11.0M
AOS2HT289.0300 S23:39:11.55 -0.21.0M
MDRAHA286.6275 P23:38:38.85 -0.21.0M


  Solution details

Event:
    Public ID              nkua2021bkni
    Description
      region name: Dodecanese Islands, Greece
Origin:
    Date                   2021-01-20
    Time                  23:37:56.67
    Latitude              37.8555 deg  +/-      0 km
    Longitude             26.7253 deg  +/-      0 km
    Depth                      12 km   +/-    1 km
    Agency                 HA
    Author                 A.Karakonstantis
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.37 s
    Azimuthal gap             116 deg

2 Network magnitudes:
    MLv       4.32 +/- 0.25  23            
    M         4.32           23 preferred  

52 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    KRL1  HI    0.1 194  P       23:37:58.95  -0.2 M  1.0  KRL1 
    KRL1  HI    0.1 194  S       23:38:01.41   0.3 M  1.0  KRL1 
    SAM2  HL    0.1 223  P       23:38:00.19   0.1 M  1.0  SAM2 
    SAM2  HL    0.1 223  S       23:38:03.01   0.2 M  1.0  SAM2 
    SMG   HL    0.2 150  P       23:38:00.62  -0.2 M  1.0  SMG  
    SMG   HL    0.2 150  S       23:38:03.67  -0.3 M  1.0  SMG  
    SAM1  HL    0.3 110  P       23:38:02.01  -0.1 M  1.0  SAM1 
    SAM1  HL    0.3 110  S       23:38:06.07  -0.3 M  1.0  SAM1 
    KLNA  HL    0.9 168  P       23:38:13.94   0.1 M  1.0  KLNA 
    KLNA  HL    0.9 168  S       23:38:27.73   0.9 M  1.0  KLNA 
    MYT1  HI    1.2 354  P       23:38:19.77   0.6 M  1.0  MYT1 
    MYT1  HI    1.2 354  S       23:38:37.31   1.0 M  1.0  MYT1 
    APE   HL    1.2 231  P       23:38:19.48   0.2 M  1.0  APE  
    APE   HL    1.2 231  S       23:38:37.38   0.8 M  1.0  APE  
    TNSA  HL    1.3 256  P       23:38:19.85  -0.1 M  1.0  TNSA 
    TNSA  HL    1.3 256  S       23:38:38.50   0.8 M  1.0  TNSA 
    THNO  HC    1.4 262  P       23:38:21.05  -0.4 M  1.0  THNO 
    THNO  HC    1.4 262  S       23:38:40.73   0.4 M  1.0  THNO 
    PRK   HL    1.4 345  P       23:38:22.28  -0.3 M  1.0  PRK  
    PRK   HL    1.4 345  S       23:38:42.45   0.1 M  1.0  PRK  
    CMBO  HT    1.7 217  P       23:38:27.76   0.8 M  1.0  CMBO 
    CMBO  HT    1.7 217  S       23:38:49.95  -0.1 M  1.0  CMBO 
    THERA HL    1.8 214  P       23:38:27.81   0.1 M  1.0  THERA
    THERA HL    1.8 214  S       23:38:51.12  -0.2 M  1.0  THERA
    SAP3  HL    1.8 218  P       23:38:28.25   0.4 M  1.0  SAP3 
    SAP3  HL    1.8 218  S       23:38:51.25  -0.2 M  1.0  SAP3 
    KARY  HA    1.8 276  P       23:38:27.76  -0.4 M  1.0  KARY 
    RODB  HL    1.8 140  P       23:38:28.61   0.1 M  1.0  RODB 
    RODB  HL    1.8 140  S       23:38:52.98   0.3 M  1.0  RODB 
    ARG   HL    2.0 146  P       23:38:30.44  -0.0 M  1.0  ARG  
    ARG   HL    2.0 146  S       23:38:56.01  -0.1 M  1.0  ARG  
    EFSA  HL    2.2 321  P       23:38:33.06   0.1 M  1.0  EFSA 
    EFSA  HL    2.2 321  S       23:39:00.31  -0.3 M  1.0  EFSA 
    MHLO  HL    2.2 238  P       23:38:33.19  -0.2 M  1.0  MHLO 
    MHLO  HL    2.2 238  S       23:39:00.97  -0.3 M  1.0  MHLO 
    KYMI  HL    2.2 291  P       23:38:32.73  -1.0 M  1.0  KYMI 
    KYMI  HL    2.2 291  S       23:39:01.83  -0.0 M  1.0  KYMI 
    MRTH  HA    2.2 277  P       23:38:33.56  -0.2 M  1.0  MRTH 
    MRTH  HA    2.2 277  S       23:39:02.05   0.1 M  1.0  MRTH 
    DION  HL    2.2 276  P       23:38:33.61  -0.3 M  1.0  DION 
    VLY   HL    2.3 270  P       23:38:34.97  -0.3 M  1.0  VLY  
    VLY   HL    2.3 270  S       23:39:04.15  -0.5 M  1.0  VLY  
    ATHU  HA    2.3 273  P       23:38:34.99  -0.4 M  1.0  ATHU 
    KARP  HL    2.3 171  P       23:38:34.84  -0.6 M  1.0  KARP 
    LIA   HL    2.4 329  P       23:38:35.74  -0.2 M  1.0  LIA  
    LIA   HL    2.4 329  S       23:39:05.24  -0.6 M  1.0  LIA  
    ATH   HL    2.4 273  P       23:38:35.92  -0.2 M  1.0  ATH  
    NOAC  HL    2.4 273  P       23:38:35.96  -0.2 M  1.0  NOAC 
    STFN  HA    2.5 277  P       23:38:38.49   0.1 M  1.0  STFN 
    MDRA  HA    2.6 275  P       23:38:38.85  -0.2 M  1.0  MDRA 
    AOS2  HT    2.6 300  P       23:38:39.21  -0.1 M  1.0  AOS2 
    AOS2  HT    2.6 300  S       23:39:11.55  -0.2 M  1.0  AOS2 

30 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    KRL1  HI    0.1 194  MLv     4.46  0.14    1542.18      
    SAM2  HL    0.1 223  MLv     3.92 -0.39    284.962      
    SMG   HL    0.2 150  MLv     4.17 -0.15    380.115      
    SAM1  HL    0.3 110  MLv     3.62 -0.70    65.3052      
    KLNA  HL    0.9 168  MLv     4.81  0.49    99.4962      
    MYT1  HI    1.2 354  MLv     4.83  0.51    69.6609      
    APE   HL    1.2 231  MLv     4.57  0.25    37.9813      
    TNSA  HL    1.3 256  MLv     4.16 -0.16    14.1696      
    THNO  HC    1.4 262  MLv     3.98 -0.33    8.44489      
    PRK   HL    1.4 345  MLv     4.92  0.60    66.2932      
    CMBO  HT    1.7 217  MLv     5.30  0.98    107.016      
    THERA HL    1.8 214  MLv     4.35  0.03    11.2951      
    SAP3  HL    1.8 218  MLv     4.86  0.54    60.1319      
    KARY  HA    1.8 276  MLv     4.07 -0.25    5.77008      
    RODB  HL    1.8 140  MLv     4.67  0.35    21.8782      
    ARG   HL    2.0 146  MLv     4.61  0.29    16.1544      
    EFSA  HL    2.2 321  MLv     4.52  0.21    10.5335      
    MHLO  HL    2.2 238  MLv     4.73  0.41    33.6061      
    KYMI  HL    2.2 291  MLv     3.96 -0.35    2.74403      
    MRTH  HA    2.2 277  MLv     4.10 -0.22    3.70699      
    DION  HL    2.2 276  MLv     3.80 -0.52    5.22601      
    VLY   HL    2.3 270  MLv     4.21 -0.11    4.19994      
    ATHU  HA    2.3 273  MLv     4.26 -0.06    2.85014      
    KARP  HL    2.3 171  MLv     4.50  0.18    10.5556      
    LIA   HL    2.4 329  MLv     4.06 -0.26    5.54205      
    ATH   HL    2.4 273  MLv     4.26 -0.05    4.40533      
    NOAC  HL    2.4 273  MLv     4.26 -0.05    4.40479      
    STFN  HA    2.5 277  MLv     4.06 -0.25    2.28546      
    MDRA  HA    2.6 275  MLv     4.23 -0.09    3.15754      
    AOS2  HT    2.6 300  MLv     4.30 -0.02    3.58408