Earthquake Information
 Origin Time
 2023-11-30 12:39:22 (GMT)
 Magnitude
 M 4.3
 Latitude
 37.8422° N
 Longitude
 20.4723° E
 Focal Depth
 10 km
 # of Arrivals
 48
 Location 36.8 km S of Argostoli
37.6 km W of Zakynthos
286.5 km W of Athens
 Solution type
 manual
 Files / Links
 QuakeML  GSE2.0  Alert  .phi  ShakeMap  Foc.Mech.
  

  Focal Mechanism (automatic solution)

Foc.Mech. Strike (°) Dip (°) Rake (°) Seism.Mom. (dyn*cm)
11649-12 4.00E+22

Latitude (°N) Longitude (°E) Depth (km) Magnitude Mw
37.808520.43819.04.3

Source parameters determination

Click here for detailed focal mechanism automatic solution


  Intensity map


PGA
 PGV
 MI

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


  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
ORTHHL19.7 87 P12:39:25.43 -0.41.0M
ORTHHL19.7 87 S12:39:29.03 0.11.0M
RTZLHT36.9 45 P12:39:28.20 -0.31.0M
RTZLHT36.9 45 S12:39:34.54 0.81.0M
LX10HA37.7351 P12:39:28.26 -0.41.0M
LX10HA37.7351 S12:39:34.37 0.51.0M
VLSHL38.6 15 P12:39:28.31 -0.51.0M
VLSHL38.6 15 S12:39:34.55 0.31.0M
LX18HA39.7355 P12:39:28.70 -0.31.0M
LX18HA39.7355 S12:39:35.31 0.81.0M
LX20HA39.8356 P12:39:28.64 -0.31.0M
LX20HA39.8356 S12:39:35.41 0.91.0M
LX11HA39.9356 P12:39:28.67 -0.31.0M
LX11HA39.9356 S12:39:35.35 0.81.0M
LX17HA40.2355 P12:39:28.72 -0.31.0M
LX17HA40.2355 S12:39:35.39 0.81.0M
LX22HA40.2356 P12:39:28.79 -0.21.0M
LX22HA40.2356 S12:39:35.27 0.71.0M
LX12HA40.2356 P12:39:28.94 -0.11.0M
LX12HA40.2356 S12:39:35.40 0.81.0M
LX24HA40.4356 P12:39:29.00 -0.11.0M
LX24HA40.4356 S12:39:35.07 0.41.0M
LX16HA40.8355 P12:39:28.82 -0.31.0M
LX16HA40.8355 S12:39:35.52 0.71.0M
HAVDHA40.9349 P12:39:28.54 -0.71.0M
HAVDHA40.9349 S12:39:34.85 0.01.0M
LX15HA40.9356 P12:39:28.86 -0.31.0M
LX15HA40.9356 S12:39:35.28 0.51.0M
DMLNHT44.9349 P12:39:29.24 -0.61.0M
DMLNHT44.9349 S12:39:36.22 0.21.0M
ATHRHA53.0355 P12:39:30.37 -0.81.0M
ATHRHA53.0355 S12:39:38.62 0.31.0M
GR281Y58.9 85 P12:39:31.46 -0.71.0M
GR281Y58.9 85 S12:39:40.47 0.41.0M
STRFHT81.8144 P12:39:35.95 0.31.0M
STRFHT81.8144 S12:39:47.18 0.91.0M
EVGIHT88.1 11 P12:39:36.15 -0.61.0M
EVGIHT88.1 11 S12:39:47.83 -0.31.0M
RLSHL90.2 75 P12:39:36.76 -0.41.0M
RLSHL90.2 75 S12:39:48.31 -0.51.0M
DRAGHT94.0 5 P12:39:36.84 -0.91.0M
DRAGHT94.0 5 S12:39:50.23 0.41.0M
NYDRHT98.9 12 P12:39:37.96 -0.51.0M
NYDRHT98.9 12 S12:39:51.04 -0.11.0M
MSL1HI102.1 55 P12:39:39.21 0.21.0M
MSL1HI102.1 55 S12:39:52.35 0.31.0M
DROHP109.4 84 P12:39:39.95 -0.31.0M
DROHP109.4 84 S12:39:54.59 0.31.0M


  Solution details 

Event:
    Public ID              nkua2023xljo
    Description
      region name: Ionian Sea
Origin:
    Date                   2023-11-30
    Time                  12:39:21.75
    Latitude              37.8422 deg  +/-      1 km
    Longitude             20.4723 deg  +/-      1 km
    Depth                      10 km   +/-    2 km
    Agency                 HA
    Author                 A. Karakonstantis
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.49 s
    Azimuthal gap             205 deg

2 Network magnitudes:
    MLv       4.32 +/- 0.18  17            
    M         4.32           17 preferred  

48 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    ORTH  HL    0.2  87  P       12:39:25.43  -0.4 M  1.0  ORTH 
    ORTH  HL    0.2  87  S       12:39:29.03   0.1 M  1.0  ORTH 
    RTZL  HT    0.3  45  P       12:39:28.20  -0.3 M  1.0  RTZL 
    RTZL  HT    0.3  45  S       12:39:34.54   0.8 M  1.0  RTZL 
    LX10  HA    0.3 351  P       12:39:28.26  -0.4 M  1.0  LX10 
    LX10  HA    0.3 351  S       12:39:34.37   0.5 M  1.0  LX10 
    VLS   HL    0.3  15  P       12:39:28.31  -0.5 M  1.0  VLS  
    VLS   HL    0.3  15  S       12:39:34.55   0.3 M  1.0  VLS  
    LX18  HA    0.4 355  P       12:39:28.70  -0.3 M  1.0  LX18 
    LX18  HA    0.4 355  S       12:39:35.31   0.8 M  1.0  LX18 
    LX20  HA    0.4 356  P       12:39:28.64  -0.3 M  1.0  LX20 
    LX20  HA    0.4 356  S       12:39:35.41   0.9 M  1.0  LX20 
    LX11  HA    0.4 356  P       12:39:28.67  -0.3 M  1.0  LX11 
    LX11  HA    0.4 356  S       12:39:35.35   0.8 M  1.0  LX11 
    LX12  HA    0.4 356  P       12:39:28.94  -0.1 M  1.0  LX12 
    LX12  HA    0.4 356  S       12:39:35.40   0.8 M  1.0  LX12 
    LX17  HA    0.4 355  P       12:39:28.72  -0.3 M  1.0  LX17 
    LX17  HA    0.4 355  S       12:39:35.39   0.8 M  1.0  LX17 
    LX22  HA    0.4 356  P       12:39:28.79  -0.2 M  1.0  LX22 
    LX22  HA    0.4 356  S       12:39:35.27   0.7 M  1.0  LX22 
    LX24  HA    0.4 356  P       12:39:29.00  -0.1 M  1.0  LX24 
    LX24  HA    0.4 356  S       12:39:35.07   0.4 M  1.0  LX24 
    HAVD  HA    0.4 349  P       12:39:28.54  -0.7 M  1.0  HAVD 
    HAVD  HA    0.4 349  S       12:39:34.85   0.0 M  1.0  HAVD 
    LX16  HA    0.4 355  P       12:39:28.82  -0.3 M  1.0  LX16 
    LX16  HA    0.4 355  S       12:39:35.52   0.7 M  1.0  LX16 
    LX15  HA    0.4 356  P       12:39:28.86  -0.3 M  1.0  LX15 
    LX15  HA    0.4 356  S       12:39:35.28   0.5 M  1.0  LX15 
    DMLN  HT    0.4 349  P       12:39:29.24  -0.6 M  1.0  DMLN 
    DMLN  HT    0.4 349  S       12:39:36.22   0.2 M  1.0  DMLN 
    ATHR  HA    0.5 355  P       12:39:30.37  -0.8 M  1.0  ATHR 
    ATHR  HA    0.5 355  S       12:39:38.62   0.3 M  1.0  ATHR 
    GR28  1Y    0.5  85  P       12:39:31.46  -0.7 M  1.0  GR28 
    GR28  1Y    0.5  85  S       12:39:40.47   0.4 M  1.0  GR28 
    STRF  HT    0.7 144  P       12:39:35.95   0.3 M  1.0  STRF 
    STRF  HT    0.7 144  S       12:39:47.18   0.9 M  1.0  STRF 
    EVGI  HT    0.8  11  P       12:39:36.15  -0.6 M  1.0  EVGI 
    EVGI  HT    0.8  11  S       12:39:47.83  -0.3 M  1.0  EVGI 
    RLS   HL    0.8  75  P       12:39:36.76  -0.4 M  1.0  RLS  
    RLS   HL    0.8  75  S       12:39:48.31  -0.5 M  1.0  RLS  
    DRAG  HT    0.8   5  P       12:39:36.84  -0.9 M  1.0  DRAG 
    DRAG  HT    0.8   5  S       12:39:50.23   0.4 M  1.0  DRAG 
    NYDR  HT    0.9  12  P       12:39:37.96  -0.5 M  1.0  NYDR 
    NYDR  HT    0.9  12  S       12:39:51.04  -0.1 M  1.0  NYDR 
    MSL1  HI    0.9  55  P       12:39:39.21   0.2 M  1.0  MSL1 
    MSL1  HI    0.9  55  S       12:39:52.35   0.3 M  1.0  MSL1 
    DRO   HP    1.0  84  P       12:39:39.95  -0.3 M  1.0  DRO  
    DRO   HP    1.0  84  S       12:39:54.59   0.3 M  1.0  DRO  

24 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    ORTH  HL    0.2  87  MLv     4.12 -0.20    339.976      
    RTZL  HT    0.3  45  MLv     3.86 -0.46    68.7948      
    LX10  HA    0.3 351  MLv     4.43  0.10    241.666      
    VLS   HL    0.3  15  MLv     4.19 -0.13    135.114      
    LX18  HA    0.4 355  MLv     4.47  0.15    239.456      
    LX20  HA    0.4 356  MLv     4.38  0.06    195.287      
    LX11  HA    0.4 356  MLv     4.45  0.13    225.099      
    LX12  HA    0.4 356  MLv     4.48  0.16    239.201      
    LX17  HA    0.4 355  MLv     4.52  0.20    262.152      
    LX22  HA    0.4 356  MLv     4.42  0.09    205.674      
    LX24  HA    0.4 356  MLv     4.56  0.24    281.051      
    HAVD  HA    0.4 349  MLv     4.15 -0.17    106.381      
    LX16  HA    0.4 355  MLv     4.51  0.19    247.569      
    LX15  HA    0.4 356  MLv     4.40  0.08     188.86      
    DMLN  HT    0.4 349  MLv     4.31 -0.01    167.334      
    ATHR  HA    0.5 355  MLv     4.19 -0.14    57.8515      
    GR28  1Y    0.5  85  MLv     3.99 -0.33    26.3309      
    STRF  HT    0.7 144  MLv     4.68  0.36    94.5854      
    EVGI  HT    0.8  11  MLv     4.49  0.17    56.5572      
    RLS   HL    0.8  75  MLv     3.93 -0.39    15.2573      
    DRAG  HT    0.8   5  MLv     1.88 -2.44   0.129957      
    NYDR  HT    0.9  12  MLv     4.53  0.21    39.6495      
    MSL1  HI    0.9  55  MLv     4.67  0.35    72.5833      
    DRO   HP    1.0  84  MLv     3.98 -0.35    28.1882