Earthquake Information
 Origin Time
2021-01-25 13:35:27 (GMT)
 Magnitude
M 3.9
 Latitude
37.7088° N
 Longitude
20.8117° E
 Focal Depth
18 km
 # of Arrivals
43
 Location 11.8 km SW of Zakynthos
45.3 km WSW of Andravida
258.3 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)
40348 1.26E+22

Latitude (°N) Longitude (°E) Depth (km) Magnitude Mw
37.741920.857722.04.0

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
LTHKHP2.2 88 P13:35:30.35 0.01.0M
LTHKHP2.2 88 S13:35:32.70 0.01.0M
RTZLHT41.0355 P13:35:34.66 -0.11.0M
RTZLHT41.0355 S13:35:40.74 0.11.0M
VLSHL55.6339 P13:35:36.79 -0.31.0M
VLSHL55.6339 S13:35:44.65 0.11.0M
DMLNHT70.3327 P13:35:39.58 0.31.0M
DMLNHT70.3327 S13:35:48.99 0.41.0M
RLSHL69.1 56 P13:35:38.70 -0.41.0M
RLSHL69.1 56 S13:35:47.88 -0.31.0M
AXSHP73.4 43 P13:35:39.21 -0.61.0M
AXSHP73.4 43 S13:35:49.14 -0.21.0M
DROHP83.5 71 P13:35:40.81 -0.61.0M
FSKHP86.3345 P13:35:41.62 -0.11.0M
MSL1HI91.3 36 P13:35:42.23 -0.31.0M
MSL1HI91.3 36 S13:35:54.60 0.51.0M
PLEVHP94.0 34 P13:35:42.68 -0.31.0M
PLEVHP94.0 34 S13:35:55.19 0.31.0M
EVGIHT102.3352 P13:35:44.05 -0.21.0M
EVGIHT102.3352 S13:35:58.06 0.91.0M
AGRPCL110.5 46 P13:35:44.96 -0.51.0M
AGRPCL110.5 46 S13:35:59.84 0.41.0M
DRAGHT110.4349 P13:35:45.36 -0.11.0M
ITMHL114.6121 P13:35:46.16 0.01.0M
ITMHL114.6121 S13:36:01.13 0.51.0M
NYDRHT112.2355 P13:35:45.67 0.01.0M
UPRHP106.7 53 P13:35:45.21 0.31.0M
UPRHP106.7 53 S13:35:58.87 0.51.0M
KLV1HI119.3 73 P13:35:47.32 0.41.0M
LAKAHA118.1 60 P13:35:46.34 -0.41.0M
LAKAHA118.1 60 S13:36:01.62 0.11.0M
PVOHP118.7 32 P13:35:46.97 0.31.0M
PYL1HI117.9138 P13:35:46.73 0.11.0M
VALYHP119.9120 P13:35:47.02 0.11.0M
VALYHP119.9120 S13:36:02.49 0.61.0M
ANXHP138.1 45 P13:35:49.44 -0.41.0M
GURHP136.8 79 P13:35:49.32 -0.41.0M
AMPLHP139.4 15 P13:35:49.72 -0.21.0M
AMPLHP139.4 15 S13:36:07.21 0.01.0M
KALEHA138.8 57 P13:35:49.79 -0.21.0M
VLXHP143.2105 P13:35:50.57 -0.11.0M
VLXHP143.2105 S13:36:08.41 -0.11.0M
EVRHL160.1 33 P13:35:53.17 0.31.0M


  Solution details

Event:
    Public ID              nkua2021bswz
    Description
      region name: Ionian Sea
Origin:
    Date                   2021-01-25
    Time                  13:35:27.19
    Latitude              37.7088 deg  +/-      1 km
    Longitude             20.8117 deg  +/-      1 km
    Depth                      18 km   +/-    1 km
    Agency                 HA
    Author                 A.Karakonstantis
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.32 s
    Azimuthal gap             188 deg

2 Network magnitudes:
    MLv       3.87 +/- 0.11  21            
    M         3.87           21 preferred  

43 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    LTHK  HP    0.0  88  P       13:35:30.35   0.0 M  1.0  LTHK 
    LTHK  HP    0.0  88  S       13:35:32.70   0.0 M  1.0  LTHK 
    RTZL  HT    0.4 355  P       13:35:34.66  -0.1 M  1.0  RTZL 
    RTZL  HT    0.4 355  S       13:35:40.74   0.1 M  1.0  RTZL 
    VLS   HL    0.5 339  P       13:35:36.79  -0.3 M  1.0  VLS  
    VLS   HL    0.5 339  S       13:35:44.65   0.1 M  1.0  VLS  
    RLS   HL    0.6  56  P       13:35:38.70  -0.4 M  1.0  RLS  
    RLS   HL    0.6  56  S       13:35:47.88  -0.3 M  1.0  RLS  
    DMLN  HT    0.6 327  P       13:35:39.58   0.3 M  1.0  DMLN 
    DMLN  HT    0.6 327  S       13:35:48.99   0.4 M  1.0  DMLN 
    AXS   HP    0.7  43  P       13:35:39.21  -0.6 M  1.0  AXS  
    AXS   HP    0.7  43  S       13:35:49.14  -0.2 M  1.0  AXS  
    DRO   HP    0.8  71  P       13:35:40.81  -0.6 M  1.0  DRO  
    FSK   HP    0.8 345  P       13:35:41.62  -0.1 M  1.0  FSK  
    MSL1  HI    0.8  36  P       13:35:42.23  -0.3 M  1.0  MSL1 
    MSL1  HI    0.8  36  S       13:35:54.60   0.5 M  1.0  MSL1 
    PLEV  HP    0.8  34  P       13:35:42.68  -0.3 M  1.0  PLEV 
    PLEV  HP    0.8  34  S       13:35:55.19   0.3 M  1.0  PLEV 
    EVGI  HT    0.9 352  P       13:35:44.05  -0.2 M  1.0  EVGI 
    EVGI  HT    0.9 352  S       13:35:58.06   0.9 M  1.0  EVGI 
    UPR   HP    1.0  53  P       13:35:45.21   0.3 M  1.0  UPR  
    UPR   HP    1.0  53  S       13:35:58.87   0.5 M  1.0  UPR  
    DRAG  HT    1.0 349  P       13:35:45.36  -0.1 M  1.0  DRAG 
    AGRP  CL    1.0  46  P       13:35:44.96  -0.5 M  1.0  AGRP 
    AGRP  CL    1.0  46  S       13:35:59.84   0.4 M  1.0  AGRP 
    NYDR  HT    1.0 355  P       13:35:45.67  -0.0 M  1.0  NYDR 
    ITM   HL    1.0 121  P       13:35:46.16  -0.0 M  1.0  ITM  
    ITM   HL    1.0 121  S       13:36:01.13   0.5 M  1.0  ITM  
    PYL1  HI    1.1 138  P       13:35:46.73   0.1 M  1.0  PYL1 
    LAKA  HA    1.1  60  P       13:35:46.34  -0.4 M  1.0  LAKA 
    LAKA  HA    1.1  60  S       13:36:01.62   0.1 M  1.0  LAKA 
    PVO   HP    1.1  32  P       13:35:46.97   0.3 M  1.0  PVO  
    KLV1  HI    1.1  73  P       13:35:47.32   0.4 M  1.0  KLV1 
    VALY  HP    1.1 120  P       13:35:47.02   0.1 M  1.0  VALY 
    VALY  HP    1.1 120  S       13:36:02.49   0.6 M  1.0  VALY 
    GUR   HP    1.2  79  P       13:35:49.32  -0.4 M  1.0  GUR  
    ANX   HP    1.2  45  P       13:35:49.44  -0.4 M  1.0  ANX  
    KALE  HA    1.3  57  P       13:35:49.79  -0.2 M  1.0  KALE 
    AMPL  HP    1.3  15  P       13:35:49.72  -0.2 M  1.0  AMPL 
    AMPL  HP    1.3  15  S       13:36:07.21   0.0 M  1.0  AMPL 
    VLX   HP    1.3 105  P       13:35:50.57  -0.1 M  1.0  VLX  
    VLX   HP    1.3 105  S       13:36:08.41  -0.1 M  1.0  VLX  
    EVR   HL    1.4  33  P       13:35:53.17   0.3 M  1.0  EVR  

27 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    LTHK  HP    0.0  88  MLv     4.31  0.44     1413.4      
    RTZL  HT    0.4 355  MLv     3.50 -0.37    23.8735      
    VLS   HL    0.5 339  MLv     3.74 -0.13    17.6493      
    RLS   HL    0.6  56  MLv     3.90  0.04    18.1819      
    DMLN  HT    0.6 327  MLv     4.03  0.17    33.2127      
    AXS   HP    0.7  43  MLv     3.84 -0.02    15.0007      
    DRO   HP    0.8  71  MLv     3.75 -0.12    22.5445      
    FSK   HP    0.8 345  MLv     3.97  0.10    17.2196      
    MSL1  HI    0.8  36  MLv     4.06  0.20    20.3351      
    PLEV  HP    0.8  34  MLv     3.69 -0.18    8.33092      
    EVGI  HT    0.9 352  MLv     3.83 -0.04    10.4393      
    UPR   HP    1.0  53  MLv     3.32 -0.54    35.5966      
    DRAG  HT    1.0 349  MLv     5.09  1.22     11.349      
    AGRP  CL    1.0  46  MLv     3.77 -0.09    8.35644      
    NYDR  HT    1.0 355  MLv     3.97  0.10    9.23446      
    ITM   HL    1.0 121  MLv     3.80 -0.07    8.49621      
    PYL1  HI    1.1 138  MLv     3.68 -0.19    6.16533      
    LAKA  HA    1.1  60  MLv     3.84 -0.02    8.98071      
    PVO   HP    1.1  32  MLv     3.89  0.02    9.98285      
    KLV1  HI    1.1  73  MLv     4.06  0.19    14.5335      
    VALY  HP    1.1 120  MLv     3.80 -0.07    7.91961      
    GUR   HP    1.2  79  MLv     4.08  0.21    12.4035      
    ANX   HP    1.2  45  MLv     3.96  0.10    9.41181      
    KALE  HA    1.3  57  MLv     3.83 -0.03    6.90326      
    AMPL  HP    1.3  15  MLv     3.85 -0.02     7.1747      
    VLX   HP    1.3 105  MLv     3.41 -0.46    2.47956      
    EVR   HL    1.4  33  MLv     3.94  0.07    6.94117