Earthquake Information
 Origin Time
 2020-07-16 18:09:27 (GMT)
 Magnitude
 M 4.2
 Latitude
 38.3640° N
 Longitude
 26.5910° E
 Focal Depth
 23 km
 # of Arrivals
 74
 Location 39.7 km E of Chios
75.5 km NNW of Samos
253.4 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)
25951-156 2.13E+22

Latitude (°N) Longitude (°E) Depth (km) Magnitude Mw
38.377226.715012.04.2

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
CHOSHT47.2273 P18:09:36.86 -0.61.0M
CHOSHT47.2273 S18:09:43.71 -1.21.0M
KRL1HI64.1171 P18:09:39.48 -0.11.0M
KRL1HI64.1171 S18:09:48.16 -0.61.0M
PRKHL102.0344 P18:09:44.01 -0.61.0M
PRKHL102.0344 S18:09:57.09 -0.31.0M
NAX1HI176.5218 P18:09:53.93 -0.11.0M
NAX1HI176.5218 S18:10:14.13 -0.31.0M
SKYHL186.6289 P18:09:55.31 0.01.0M
SKYHL186.6289 S18:10:16.78 0.01.0M
EFSAHL190.5314 P18:09:55.60 -0.21.0M
EFSAHL190.5314 S18:10:17.32 -0.31.0M
KARYHA191.8260 P18:09:56.46 0.51.0M
KARYHA191.8260 S18:10:17.79 -0.21.0M
LIAHL209.4325 P18:09:58.47 0.41.0M
LIAHL209.4325 S18:10:21.39 -0.41.0M
KYMIHL218.8279 P18:09:59.64 0.31.0M
KYMIHL218.8279 S18:10:23.15 -0.91.0M
DIONHL234.3263 P18:10:02.01 0.81.0M
PTLHL240.9262 P18:10:02.65 0.61.0M
PTLHL240.9262 S18:10:29.25 0.31.0M
THERAHL243.0204 P18:10:01.85 -0.41.0M
THERAHL243.0204 S18:10:28.64 -0.61.0M
ATHUHA249.3261 P18:10:03.79 0.71.0M
ATHUHA249.3261 S18:10:30.36 -0.51.0M
SMTHHL251.4339 P18:10:03.12 -0.11.0M
SMTHHL251.4339 S18:10:30.24 -0.81.0M
AOS2HT253.7291 P18:10:03.92 0.31.0M
STFNHA266.8266 P18:10:05.67 0.41.0M
STFNHA266.8266 S18:10:34.36 -0.41.0M
ARGHL274.8150 P18:10:05.70 -0.51.0M
ALNHT285.3351 P18:10:07.16 -0.11.0M
ALNHT285.3351 S18:10:37.68 -0.71.0M
THASHT296.6328 P18:10:08.86 0.01.0M
PAIGHT306.1306 P18:10:09.96 -0.11.0M
PAIGHT306.1306 S18:10:43.17 -0.21.0M
OURHT313.5315 P18:10:11.54 0.51.0M
OURHT313.5315 S18:10:44.63 -0.41.0M
KARPHL317.3171 P18:10:11.21 -0.21.0M
LOUTHA318.9264 P18:10:12.27 0.51.0M
LTKHP318.9264 P18:10:12.66 0.91.0M
LTKHP318.9264 S18:10:46.15 -0.21.0M
RDOHL322.1344 P18:10:12.14 0.21.0M
RDOHL322.1344 S18:10:45.91 -0.91.0M
KAVAHT342.3329 P18:10:14.51 0.01.0M
STIAHC354.4187 P18:10:16.17 0.21.0M
STIAHC354.4187 S18:10:53.17 -0.81.0M
NPSHL355.9195 P18:10:15.96 -0.21.0M
ZKRHL362.8185 P18:10:17.11 0.11.0M
VLIHL369.7242 P18:10:18.82 0.81.0M
VLIHL369.7242 S18:10:57.55 0.01.0M
IDIMN374.0204 P18:10:18.33 -0.11.0M
IDIMN374.0204 S18:10:58.21 -0.11.0M
AGGHT376.4282 P18:10:19.15 0.31.0M
AGGHT376.4282 S18:10:59.03 -0.11.0M
PANRCL378.4272 P18:10:19.49 0.41.0M
PANRCL378.4272 S18:10:59.79 0.21.0M
KTHAHL390.2234 P18:10:20.95 0.41.0M
KTHAHL390.2234 S18:11:01.93 -0.21.0M
IMMVHL397.5217 P18:10:21.69 0.31.0M
SRSHT399.0321 P18:10:22.24 0.81.0M
LITHT402.5300 P18:10:22.86 0.81.0M
LITHT402.5300 S18:11:04.76 -0.21.0M
ANKYHL402.7228 P18:10:22.27 0.21.0M
ANKYHL402.7228 S18:11:04.49 -0.31.0M
SIVAHL404.5204 P18:10:22.22 0.11.0M
SIVAHL404.5204 S18:11:04.53 -0.61.0M
MG00CL404.8272 P18:10:23.33 1.01.0M
TYRNHT405.1293 P18:10:22.69 0.31.0M
NVRHL405.2326 P18:10:23.00 0.71.0M
ANXHP407.3275 P18:10:23.53 0.81.0M
ANXHP407.3275 S18:11:05.74 -0.31.0M
EFPHP408.3272 P18:10:23.26 0.41.0M
EFPHP408.3272 S18:11:06.32 0.01.0M


  Solution details 

Event:
    Public ID              nkua2020nxib
    Type                   earthquake
    Description
      region name: Aegean Sea
Origin:
    Date                   2020-07-16
    Time                  18:09:27.35  +/-    0.3 s
    Latitude              38.3640 deg  +/-      1 km
    Longitude             26.5910 deg  +/-      2 km
    Depth                      23 km   +/-    2 km
    Agency                 HA
    Author                 A.Karakonstantis
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.48 s
    Azimuthal gap             159 deg

2 Network magnitudes:
    MLv       4.24 +/- 0.18  34            
    M         4.24           34 preferred  

74 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    CHOS  HT    0.4 273  P       18:09:36.86  -0.6 M  1.0  CHOS 
    CHOS  HT    0.4 273  S       18:09:43.71  -1.2 M  1.0  CHOS 
    KRL1  HI    0.6 171  P       18:09:39.48  -0.1 M  1.0  KRL1 
    KRL1  HI    0.6 171  S       18:09:48.16  -0.6 M  1.0  KRL1 
    PRK   HL    0.9 344  P       18:09:44.01  -0.6 M  1.0  PRK  
    PRK   HL    0.9 344  S       18:09:57.09  -0.3 M  1.0  PRK  
    NAX1  HI    1.6 218  P       18:09:53.93  -0.1 M  1.0  NAX1 
    NAX1  HI    1.6 218  S       18:10:14.13  -0.3 M  1.0  NAX1 
    SKY   HL    1.7 289  P       18:09:55.31  -0.0 M  1.0  SKY  
    SKY   HL    1.7 289  S       18:10:16.78   0.0 M  1.0  SKY  
    EFSA  HL    1.7 314  P       18:09:55.60  -0.2 M  1.0  EFSA 
    EFSA  HL    1.7 314  S       18:10:17.32  -0.3 M  1.0  EFSA 
    KARY  HA    1.7 260  P       18:09:56.46   0.5 M  1.0  KARY 
    KARY  HA    1.7 260  S       18:10:17.79  -0.2 M  1.0  KARY 
    LIA   HL    1.9 325  P       18:09:58.47   0.4 M  1.0  LIA  
    LIA   HL    1.9 325  S       18:10:21.39  -0.4 M  1.0  LIA  
    KYMI  HL    2.0 279  P       18:09:59.64   0.3 M  1.0  KYMI 
    KYMI  HL    2.0 279  S       18:10:23.15  -0.9 M  1.0  KYMI 
    DION  HL    2.1 263  P       18:10:02.01   0.8 M  1.0  DION 
    PTL   HL    2.2 262  P       18:10:02.65   0.6 M  1.0  PTL  
    PTL   HL    2.2 262  S       18:10:29.25   0.3 M  1.0  PTL  
    THERA HL    2.2 204  P       18:10:01.85  -0.4 M  1.0  THERA
    THERA HL    2.2 204  S       18:10:28.64  -0.6 M  1.0  THERA
    ATHU  HA    2.2 261  P       18:10:03.79   0.7 M  1.0  ATHU 
    ATHU  HA    2.2 261  S       18:10:30.36  -0.5 M  1.0  ATHU 
    SMTH  HL    2.3 339  P       18:10:03.12  -0.1 M  1.0  SMTH 
    SMTH  HL    2.3 339  S       18:10:30.24  -0.8 M  1.0  SMTH 
    AOS2  HT    2.3 291  P       18:10:03.92   0.3 M  1.0  AOS2 
    STFN  HA    2.4 266  P       18:10:05.67   0.4 M  1.0  STFN 
    STFN  HA    2.4 266  S       18:10:34.36  -0.4 M  1.0  STFN 
    ARG   HL    2.5 150  P       18:10:05.70  -0.5 M  1.0  ARG  
    ALN   HT    2.6 351  P       18:10:07.16  -0.1 M  1.0  ALN  
    ALN   HT    2.6 351  S       18:10:37.68  -0.7 M  1.0  ALN  
    THAS  HT    2.7 328  P       18:10:08.86   0.0 M  1.0  THAS 
    PAIG  HT    2.8 306  P       18:10:09.96  -0.1 M  1.0  PAIG 
    PAIG  HT    2.8 306  S       18:10:43.17  -0.2 M  1.0  PAIG 
    OUR   HT    2.8 315  P       18:10:11.54   0.5 M  1.0  OUR  
    OUR   HT    2.8 315  S       18:10:44.63  -0.4 M  1.0  OUR  
    KARP  HL    2.8 171  P       18:10:11.21  -0.2 M  1.0  KARP 
    LOUT  HA    2.9 264  P       18:10:12.27   0.5 M  1.0  LOUT 
    LTK   HP    2.9 264  P       18:10:12.66   0.9 M  1.0  LTK  
    LTK   HP    2.9 264  S       18:10:46.15  -0.2 M  1.0  LTK  
    RDO   HL    2.9 344  P       18:10:12.14   0.2 M  1.0  RDO  
    RDO   HL    2.9 344  S       18:10:45.91  -0.9 M  1.0  RDO  
    KAVA  HT    3.1 329  P       18:10:14.51  -0.0 M  1.0  KAVA 
    STIA  HC    3.2 187  P       18:10:16.17   0.2 M  1.0  STIA 
    STIA  HC    3.2 187  S       18:10:53.17  -0.8 M  1.0  STIA 
    NPS   HL    3.2 195  P       18:10:15.96  -0.2 M  1.0  NPS  
    ZKR   HL    3.3 185  P       18:10:17.11   0.1 M  1.0  ZKR  
    VLI   HL    3.3 242  P       18:10:18.82   0.8 M  1.0  VLI  
    VLI   HL    3.3 242  S       18:10:57.55  -0.0 M  1.0  VLI  
    IDI   MN    3.4 204  P       18:10:18.33  -0.1 M  1.0  IDI  
    IDI   MN    3.4 204  S       18:10:58.21  -0.1 M  1.0  IDI  
    AGG   HT    3.4 282  P       18:10:19.15   0.3 M  1.0  AGG  
    AGG   HT    3.4 282  S       18:10:59.03  -0.1 M  1.0  AGG  
    PANR  CL    3.4 272  P       18:10:19.49   0.4 M  1.0  PANR 
    PANR  CL    3.4 272  S       18:10:59.79   0.2 M  1.0  PANR 
    KTHA  HL    3.5 234  P       18:10:20.95   0.4 M  1.0  KTHA 
    KTHA  HL    3.5 234  S       18:11:01.93  -0.2 M  1.0  KTHA 
    IMMV  HL    3.6 217  P       18:10:21.69   0.3 M  1.0  IMMV 
    SRS   HT    3.6 321  P       18:10:22.24   0.8 M  1.0  SRS  
    ANKY  HL    3.6 228  P       18:10:22.27   0.2 M  1.0  ANKY 
    ANKY  HL    3.6 228  S       18:11:04.49  -0.3 M  1.0  ANKY 
    LIT   HT    3.6 300  P       18:10:22.86   0.8 M  1.0  LIT  
    LIT   HT    3.6 300  S       18:11:04.76  -0.2 M  1.0  LIT  
    SIVA  HL    3.6 204  P       18:10:22.22   0.1 M  1.0  SIVA 
    SIVA  HL    3.6 204  S       18:11:04.53  -0.6 M  1.0  SIVA 
    NVR   HL    3.6 326  P       18:10:23.00   0.7 M  1.0  NVR  
    MG00  CL    3.6 272  P       18:10:23.33   1.0 M  1.0  MG00 
    TYRN  HT    3.7 293  P       18:10:22.69   0.3 M  1.0  TYRN 
    ANX   HP    3.7 275  P       18:10:23.53   0.8 M  1.0  ANX  
    ANX   HP    3.7 275  S       18:11:05.74  -0.3 M  1.0  ANX  
    EFP   HP    3.7 272  P       18:10:23.26   0.4 M  1.0  EFP  
    EFP   HP    3.7 272  S       18:11:06.32   0.0 M  1.0  EFP  

44 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    CHOS  HT    0.4 273  MLv     4.06 -0.18    60.0943      
    KRL1  HI    0.6 171  MLv     4.53  0.29    80.6934      
    PRK   HL    0.9 344  MLv     5.20  0.97    246.535      
    NAX1  HI    1.6 218  MLv     4.16 -0.08    9.47542      
    SKY   HL    1.7 289  MLv     3.58 -0.66    3.69123      
    EFSA  HL    1.7 314  MLv     4.16 -0.07    8.16984      
    KARY  HA    1.7 260  MLv     4.07 -0.17    6.42345      
    LIA   HL    1.9 325  MLv     3.95 -0.29    7.98518      
    KYMI  HL    2.0 279  MLv     3.71 -0.52    2.08229      
    DION  HL    2.1 263  MLv     3.70 -0.54    4.77438      
    PTL   HL    2.2 262  MLv     4.03 -0.21    3.32182      
    THERA HL    2.2 204  MLv     4.62  0.39      12.83      
    ATHU  HA    2.2 261  MLv     4.11 -0.12    2.27264      
    SMTH  HL    2.3 339  MLv     4.54  0.30    6.17483      
    AOS2  HT    2.3 291  MLv     4.02 -0.22     2.8306      
    STFN  HA    2.4 266  MLv     4.15 -0.09    3.29073      
    ARG   HL    2.5 150  MLv     4.34  0.10    4.61959      
    ALN   HT    2.6 351  MLv     4.53  0.30    4.98232      
    THAS  HT    2.7 328  MLv     4.42  0.19    4.36031      
    PAIG  HT    2.8 306  MLv     3.50 -0.74   0.356802      
    OUR   HT    2.8 315  MLv     4.24  0.01    2.37665      
    KARP  HL    2.8 171  MLv     4.06 -0.18    1.96647      
    LOUT  HA    2.9 264  MLv     4.45  0.21    3.57889      
    LTK   HP    2.9 264  MLv     3.97 -0.27    4.48878      
    RDO   HL    2.9 344  MLv     4.35  0.11    1.84328      
    KAVA  HT    3.1 329  MLv     4.05 -0.19    2.27569      
    STIA  HC    3.2 187  MLv     4.40  0.16    2.11882      
    NPS   HL    3.2 195  MLv     4.38  0.15    2.01218      
    ZKR   HL    3.3 185  MLv     4.34  0.11    1.69851      
    VLI   HL    3.3 242  MLv     4.28  0.04    1.72766      
    IDI   MN    3.4 204  MLv     4.40  0.16    1.69513      
    AGG   HT    3.4 282  MLv     4.24  0.01   0.893104      
    PANR  CL    3.4 272  MLv     5.64  1.40    0.54738      
    KTHA  HL    3.5 234  MLv     4.11 -0.13   0.722008      
    IMMV  HL    3.6 217  MLv     4.58  0.35    1.97636      
    SRS   HT    3.6 321  MLv     4.49  0.25     1.1113      
    ANKY  HL    3.6 228  MLv     4.32  0.08    1.03565      
    LIT   HT    3.6 300  MLv     3.85 -0.39    0.25398      
    SIVA  HL    3.6 204  MLv     4.70  0.46    2.43418      
    NVR   HL    3.6 326  MLv     4.43  0.19   0.976689      
    MG00  CL    3.6 272  MLv     4.12 -0.12   0.824081      
    TYRN  HT    3.7 293  MLv     3.83 -0.41   0.253938      
    ANX   HP    3.7 275  MLv     4.30  0.06   0.965288      
    EFP   HP    3.7 272  MLv     4.18 -0.06    0.71965