Earthquake Information
 Origin Time
2019-04-18 09:25:31 (GMT)
 Magnitude
M 4.0
 Latitude
37.6172° N
 Longitude
20.6702° E
 Focal Depth
6 km
 # of Arrivals
54
 Location 27.7 km SW of Zakynthos
61.1 km WSW of Andravida
272.2 km W 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)
2673170 1.39E+22

Latitude (°N) Longitude (°E) Depth (km) Magnitude Mw
37.629420.676813.04.0

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
LTHKHP17.9 55 P09:25:35.46 0.61.0M
LTHKHP17.9 55 S09:25:37.57 0.01.0M
PSDAHT55.8352 P09:25:41.47 0.41.0M
PSDAHT55.8352 S09:25:48.43 -0.21.0M
ARG2HI64.4346 P09:25:42.97 0.41.0M
ARG2HI64.4346 S09:25:50.99 -0.11.0M
VLSHL62.6353 P09:25:42.35 0.11.0M
VLSHL62.6353 S09:25:50.47 -0.21.0M
DMLNHT73.8339 P09:25:44.35 0.21.0M
DMLNHT73.8339 S09:25:53.65 -0.31.0M
AXSHP89.3 44 P09:25:46.54 -0.11.0M
AXSHP89.3 44 S09:25:58.47 0.11.0M
FSKHP94.1354 P09:25:47.02 -0.31.0M
FSKHP94.1354 S09:26:00.13 0.51.0M
RLSHL85.1 55 P09:25:46.12 0.21.0M
RLSHL85.1 55 S09:25:56.70 -0.51.0M
DROHP98.8 68 P09:25:48.27 0.11.0M
DROHP98.8 68 S09:26:00.93 -0.11.0M
EVGIHT111.6359 P09:25:49.79 -0.31.0M
EVGIHT111.6359 S09:26:04.97 0.41.0M
AGRPCL126.5 47 P09:25:52.14 -0.41.0M
ITMHL121.1114 P09:25:51.71 0.01.0M
ITMHL121.1114 S09:26:07.95 0.61.0M
NYDRHT121.9 1 P09:25:51.33 -0.41.0M
NYDRHT121.9 1 S09:26:07.67 0.31.0M
KLVHL138.4 70 P09:25:54.25 -0.21.0M
KLVHL138.4 70 S09:26:12.15 0.01.0M
PVOHP134.0 34 P09:25:54.06 0.41.0M
TSLKHT134.3359 P09:25:53.47 -0.21.0M
TSLKHT134.3359 S09:26:11.00 0.21.0M
ZIRICL136.3 56 P09:25:53.98 0.01.0M
ZIRICL136.3 56 S09:26:11.48 0.21.0M
EFPHP140.8 50 P09:25:54.48 -0.21.0M
EFPHP140.8 50 S09:26:12.90 0.31.0M
MG00CL142.7 52 P09:25:54.80 -0.21.0M
PYRGCL147.3 53 P09:25:55.44 -0.31.0M
PYRGCL147.3 53 S09:26:13.97 -0.51.0M
TEMECL144.2 62 P09:25:55.23 0.01.0M
ANXHP154.1 45 P09:25:56.77 -0.11.0M
ANXHP154.1 45 S09:26:16.48 0.11.0M
GURHP151.2 76 P09:25:56.14 -0.31.0M
GURHP151.2 76 S09:26:15.81 0.11.0M
VLXHP153.3100 P09:25:56.66 -0.11.0M
VLXHP153.3100 S09:26:16.71 0.51.0M
IGTHT214.9352 P09:26:05.00 0.11.0M
IGTHT214.9352 S09:26:30.39 -0.11.0M
VLYHL275.9 85 P09:26:12.51 -0.41.0M
VLYHL275.9 85 S09:26:44.48 -0.11.0M
DIONHL291.0 80 P09:26:15.06 0.21.0M
AOS2HT324.7 59 P09:26:19.42 0.31.0M
AOS2HT324.7 59 S09:26:55.44 0.01.0M
KARYHA334.0 82 P09:26:20.11 -0.21.0M
PAIGHT366.6 45 P09:26:24.21 -0.21.0M
HORTHT392.1 32 P09:26:27.77 0.01.0M


  Solution details

Event:
    Public ID              nkua2019hofm
    Type                   earthquake
    Description
      region name: Ionian Sea
Origin:
    Date                   2019-04-18
    Time                  09:25:31.19
    Latitude              37.6172 deg  +/-      1 km
    Longitude             20.6702 deg  +/-      1 km
    Depth                       6 km   +/-    1 km
    Agency                 HA
    Author                 K.Pavlou
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.28 s
    Azimuthal gap             226 deg

2 Network magnitudes:
    MLv       4.02 +/- 0.18  30            
    M         4.02           30 preferred  

54 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    LTHK  HP    0.2  55  P       09:25:35.46   0.6 M  1.0  LTHK 
    LTHK  HP    0.2  55  S       09:25:37.57   0.0 M  1.0  LTHK 
    PSDA  HT    0.5 352  P       09:25:41.47   0.4 M  1.0  PSDA 
    PSDA  HT    0.5 352  S       09:25:48.43  -0.2 M  1.0  PSDA 
    VLS   HL    0.6 353  P       09:25:42.35   0.1 M  1.0  VLS  
    VLS   HL    0.6 353  S       09:25:50.47  -0.2 M  1.0  VLS  
    ARG2  HI    0.6 346  P       09:25:42.97   0.4 M  1.0  ARG2 
    ARG2  HI    0.6 346  S       09:25:50.99  -0.1 M  1.0  ARG2 
    DMLN  HT    0.7 339  P       09:25:44.35   0.2 M  1.0  DMLN 
    DMLN  HT    0.7 339  S       09:25:53.65  -0.3 M  1.0  DMLN 
    RLS   HL    0.8  55  P       09:25:46.12   0.2 M  1.0  RLS  
    RLS   HL    0.8  55  S       09:25:56.70  -0.5 M  1.0  RLS  
    AXS   HP    0.8  44  P       09:25:46.54  -0.1 M  1.0  AXS  
    AXS   HP    0.8  44  S       09:25:58.47   0.1 M  1.0  AXS  
    FSK   HP    0.8 354  P       09:25:47.02  -0.3 M  1.0  FSK  
    FSK   HP    0.8 354  S       09:26:00.13   0.5 M  1.0  FSK  
    DRO   HP    0.9  68  P       09:25:48.27   0.1 M  1.0  DRO  
    DRO   HP    0.9  68  S       09:26:00.93  -0.1 M  1.0  DRO  
    EVGI  HT    1.0 359  P       09:25:49.79  -0.3 M  1.0  EVGI 
    EVGI  HT    1.0 359  S       09:26:04.97   0.4 M  1.0  EVGI 
    ITM   HL    1.1 114  P       09:25:51.71  -0.0 M  1.0  ITM  
    ITM   HL    1.1 114  S       09:26:07.95   0.6 M  1.0  ITM  
    NYDR  HT    1.1   1  P       09:25:51.33  -0.4 M  1.0  NYDR 
    NYDR  HT    1.1   1  S       09:26:07.67   0.3 M  1.0  NYDR 
    AGRP  CL    1.1  47  P       09:25:52.14  -0.4 M  1.0  AGRP 
    PVO   HP    1.2  34  P       09:25:54.06   0.4 M  1.0  PVO  
    TSLK  HT    1.2 359  P       09:25:53.47  -0.2 M  1.0  TSLK 
    TSLK  HT    1.2 359  S       09:26:11.00   0.2 M  1.0  TSLK 
    ZIRI  CL    1.2  56  P       09:25:53.98   0.0 M  1.0  ZIRI 
    ZIRI  CL    1.2  56  S       09:26:11.48   0.2 M  1.0  ZIRI 
    KLV   HL    1.2  70  P       09:25:54.25  -0.2 M  1.0  KLV  
    KLV   HL    1.2  70  S       09:26:12.15   0.0 M  1.0  KLV  
    EFP   HP    1.3  50  P       09:25:54.48  -0.2 M  1.0  EFP  
    EFP   HP    1.3  50  S       09:26:12.90   0.3 M  1.0  EFP  
    MG00  CL    1.3  52  P       09:25:54.80  -0.2 M  1.0  MG00 
    TEME  CL    1.3  62  P       09:25:55.23  -0.0 M  1.0  TEME 
    PYRG  CL    1.3  53  P       09:25:55.44  -0.3 M  1.0  PYRG 
    PYRG  CL    1.3  53  S       09:26:13.97  -0.5 M  1.0  PYRG 
    GUR   HP    1.4  76  P       09:25:56.14  -0.3 M  1.0  GUR  
    GUR   HP    1.4  76  S       09:26:15.81   0.1 M  1.0  GUR  
    VLX   HP    1.4 100  P       09:25:56.66  -0.1 M  1.0  VLX  
    VLX   HP    1.4 100  S       09:26:16.71   0.5 M  1.0  VLX  
    ANX   HP    1.4  45  P       09:25:56.77  -0.1 M  1.0  ANX  
    ANX   HP    1.4  45  S       09:26:16.48   0.1 M  1.0  ANX  
    IGT   HT    1.9 352  P       09:26:05.00   0.1 M  1.0  IGT  
    IGT   HT    1.9 352  S       09:26:30.39  -0.1 M  1.0  IGT  
    VLY   HL    2.5  85  P       09:26:12.51  -0.4 M  1.0  VLY  
    VLY   HL    2.5  85  S       09:26:44.48  -0.1 M  1.0  VLY  
    DION  HL    2.6  80  P       09:26:15.06   0.2 M  1.0  DION 
    AOS2  HT    2.9  59  P       09:26:19.42   0.3 M  1.0  AOS2 
    AOS2  HT    2.9  59  S       09:26:55.44  -0.0 M  1.0  AOS2 
    KARY  HA    3.0  82  P       09:26:20.11  -0.2 M  1.0  KARY 
    PAIG  HT    3.3  45  P       09:26:24.21  -0.2 M  1.0  PAIG 
    HORT  HT    3.5  32  P       09:26:27.77   0.0 M  1.0  HORT 

31 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    LTHK  HP    0.2  55  MLv     4.22  0.20    298.207      
    PSDA  HT    0.5 352  MLv     4.27  0.25    37.7608      
    VLS   HL    0.6 353  MLv     4.18  0.16    23.2072      
    ARG2  HI    0.6 346  MLv     4.17  0.15    22.2984      
    DMLN  HT    0.7 339  MLv     4.24  0.22    23.6783      
    RLS   HL    0.8  55  MLv     4.11  0.09    15.3834      
    AXS   HP    0.8  44  MLv     4.29  0.27    22.1461      
    FSK   HP    0.8 354  MLv     4.14  0.12    14.6894      
    DRO   HP    0.9  68  MLv     4.15  0.12    14.1959      
    EVGI  HT    1.0 359  MLv     4.42  0.40    22.8781      
    ITM   HL    1.1 114  MLv     4.21  0.19    12.7172      
    NYDR  HT    1.1   1  MLv     3.99 -0.03    7.54772      
    AGRP  CL    1.1  47  MLv     3.99 -0.03    7.17868      
    PVO   HP    1.2  34  MLv     4.17  0.15    10.1095      
    TSLK  HT    1.2 359  MLv     3.99 -0.03    6.64562      
    ZIRI  CL    1.2  56  MLv     3.94 -0.08    5.83959      
    KLV   HL    1.2  70  MLv     3.87 -0.15    4.78425      
    EFP   HP    1.3  50  MLv     3.96 -0.06    5.73761      
    MG00  CL    1.3  52  MLv     3.98 -0.04    5.80556      
    TEME  CL    1.3  62  MLv     3.65 -0.37    2.68361      
    PYRG  CL    1.3  53  MLv     3.78 -0.24    3.47739      
    GUR   HP    1.4  76  MLv     3.99 -0.03     5.3937      
    VLX   HP    1.4 100  MLv     3.86 -0.16    3.89884      
    ANX   HP    1.4  45  MLv     4.19  0.17    8.23614      
    IGT   HT    1.9 352  MLv     3.87 -0.15     1.9966      
    VLY   HL    2.5  85  MLv     3.85 -0.17   0.933297      
    DION  HL    2.6  80  MLv     4.00 -0.03    1.09867      
    AOS2  HT    2.9  59  MLv     3.82 -0.21    0.49257      
    KARY  HA    3.0  82  MLv     3.87 -0.15   0.502568      
    PAIG  HT    3.3  45  MLv     3.68 -0.34   0.223184      
    HORT  HT    3.5  32  MLv     4.19  0.17   0.538494