Earthquake Information
 Origin Time
 2025-12-04 09:03:20 (GMT)
 Magnitude
 M 2.8
 Latitude
 37.8590° N
 Longitude
 20.3363° E
 Focal Depth
 4 km
 # of Arrivals
 58
 Location 37.2 km SSW of Argostoli
49.7 km W of Zakynthos
298.3 km W of Athens
 Solution type
 manual
 Files / Links
 QuakeML  GSE2.0  Alert  .phi  
  

  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
ORTHHL31.6 92 P09:03:25.11 -0.61.0M
ORTHHL31.6 92 S09:03:28.90 -1.41.0M
PSDAHT35.7 38 P09:03:26.61 0.21.0M
PSDAHT35.7 38 S09:03:30.99 -0.51.0M
VLSHL41.7 32 P09:03:27.45 0.01.0M
VLSHL41.7 32 S09:03:32.79 -0.51.0M
RTZLHT45.1 58 P09:03:27.54 -0.41.0M
RTZLHT45.1 58 S09:03:33.46 -0.81.0M
LTHKHP47.0111 P09:03:27.40 -0.91.0M
LTHKHP47.0111 S09:03:32.91 -1.91.0M
KRI1HI47.6117 P09:03:27.59 -0.81.0M
KRI1HI47.6117 S09:03:32.98 -2.01.0M
ATHRHA51.4 8 P09:03:29.60 0.61.0M
ATHRHA51.4 8 S09:03:35.53 -0.51.0M
FSKHP69.6 17 P09:03:32.04 0.11.0M
FSKHP69.6 17 S09:03:40.95 -0.31.0M
ITHCHT71.9 21 P09:03:32.64 0.31.0M
ITHCHT71.9 21 S09:03:41.21 -0.81.0M
EVGIHT89.2 18 P09:03:35.23 0.11.0M
EVGIHT89.2 18 S09:03:46.29 -0.71.0M
NYDRHT100.1 18 P09:03:37.14 0.31.0M
NYDRHT100.1 18 S09:03:49.81 -0.11.0M
RLSHL101.3 78 P09:03:36.80 -0.31.0M
RLSHL101.3 78 S09:03:49.62 -0.81.0M
PDOHP110.6 42 P09:03:38.62 0.01.0M
PDOHP110.6 42 S09:03:53.04 0.11.0M
PLEVHP112.1 57 P09:03:38.91 0.11.0M
PLEVHP112.1 57 S09:03:53.32 -0.11.0M
DROHP121.1 85 P09:03:40.21 -0.11.0M
DROHP121.1 85 S09:03:55.39 -0.61.0M
AMTHP126.1107 P09:03:40.94 -0.21.0M
AMTHP126.1107 S09:03:56.66 -0.81.0M
PVOHP133.8 51 P09:03:42.14 -0.11.0M
PVOHP133.8 51 S09:03:59.80 0.51.0M
AGRPCL135.2 64 P09:03:42.71 0.21.0M
AGRPCL135.2 64 S09:04:00.13 0.31.0M
VVKHP143.4 64 P09:03:44.28 0.51.0M
VVKHP143.4 64 S09:04:02.58 0.51.0M
ROD3CL145.1 70 P09:03:44.36 0.31.0M
ROD3CL145.1 70 S09:04:02.99 0.51.0M
LAKAHA149.9 74 P09:03:45.33 0.51.0M
LAKAHA149.9 74 S09:04:04.39 0.51.0M
EFPHP151.1 65 P09:03:45.14 0.21.0M
EFPHP151.1 65 S09:04:04.85 0.81.0M
AIOACL155.4 76 P09:03:45.77 0.21.0M
AIOACL155.4 76 S09:04:05.88 0.61.0M
PYRGCL159.2 67 P09:03:46.23 0.01.0M
PYRGCL159.2 67 S09:04:07.10 0.71.0M
KLVHL160.4 83 P09:03:46.61 0.21.0M
KLVHL160.4 83 S09:04:07.16 0.41.0M
ANXHP160.7 60 P09:03:47.05 0.61.0M
ANXHP160.7 60 S09:04:07.58 0.71.0M
TRIZCL162.0 70 P09:03:47.00 0.41.0M
TRIZCL162.0 70 S09:04:07.54 0.51.0M
SERGHP162.6 68 P09:03:47.18 0.51.0M
SERGHP162.6 68 S09:04:07.75 0.51.0M
GURHP176.2 87 P09:03:49.08 0.21.0M
GURHP176.2 87 S09:04:10.56 -0.41.0M


  Solution details 

Event:
    Public ID              nkua2025xskl
    Description
      region name: Ionian Sea
Origin:
    Date                   2025-12-04
    Time                  09:03:19.67
    Latitude              37.8590 deg  +/-      1 km
    Longitude             20.3363 deg  +/-      1 km
    Depth                       4 km   +/-    2 km
    Agency                 HA
    Author                 A. Karakonstantis
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.49 s
    Azimuthal gap             251 deg

2 Network magnitudes:
    MLv       2.77 +/- 0.10  23            
    M         2.77           23 preferred  

58 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    ORTH  HL    0.3  92  P       09:03:25.11  -0.6 M  1.0  ORTH 
    ORTH  HL    0.3  92  S       09:03:28.90  -1.4 M  1.0  ORTH 
    PSDA  HT    0.3  38  P       09:03:26.61   0.2 M  1.0  PSDA 
    PSDA  HT    0.3  38  S       09:03:30.99  -0.5 M  1.0  PSDA 
    VLS   HL    0.4  32  P       09:03:27.45   0.0 M  1.0  VLS  
    VLS   HL    0.4  32  S       09:03:32.79  -0.5 M  1.0  VLS  
    RTZL  HT    0.4  58  P       09:03:27.54  -0.4 M  1.0  RTZL 
    RTZL  HT    0.4  58  S       09:03:33.46  -0.8 M  1.0  RTZL 
    LTHK  HP    0.4 111  P       09:03:27.40  -0.9 M  1.0  LTHK 
    LTHK  HP    0.4 111  S       09:03:32.91  -1.9 M  1.0  LTHK 
    KRI1  HI    0.4 117  P       09:03:27.59  -0.8 M  1.0  KRI1 
    KRI1  HI    0.4 117  S       09:03:32.98  -2.0 M  1.0  KRI1 
    ATHR  HA    0.5   8  P       09:03:29.60   0.6 M  1.0  ATHR 
    ATHR  HA    0.5   8  S       09:03:35.53  -0.5 M  1.0  ATHR 
    FSK   HP    0.6  17  P       09:03:32.04   0.1 M  1.0  FSK  
    FSK   HP    0.6  17  S       09:03:40.95  -0.3 M  1.0  FSK  
    ITHC  HT    0.6  21  P       09:03:32.64   0.3 M  1.0  ITHC 
    ITHC  HT    0.6  21  S       09:03:41.21  -0.8 M  1.0  ITHC 
    EVGI  HT    0.8  18  P       09:03:35.23   0.1 M  1.0  EVGI 
    EVGI  HT    0.8  18  S       09:03:46.29  -0.7 M  1.0  EVGI 
    NYDR  HT    0.9  18  P       09:03:37.14   0.3 M  1.0  NYDR 
    NYDR  HT    0.9  18  S       09:03:49.81  -0.1 M  1.0  NYDR 
    RLS   HL    0.9  78  P       09:03:36.80  -0.3 M  1.0  RLS  
    RLS   HL    0.9  78  S       09:03:49.62  -0.8 M  1.0  RLS  
    PDO   HP    1.0  42  P       09:03:38.62   0.0 M  1.0  PDO  
    PDO   HP    1.0  42  S       09:03:53.04   0.1 M  1.0  PDO  
    PLEV  HP    1.0  57  P       09:03:38.91   0.1 M  1.0  PLEV 
    PLEV  HP    1.0  57  S       09:03:53.32  -0.1 M  1.0  PLEV 
    DRO   HP    1.1  85  P       09:03:40.21  -0.1 M  1.0  DRO  
    DRO   HP    1.1  85  S       09:03:55.39  -0.6 M  1.0  DRO  
    AMT   HP    1.1 107  P       09:03:40.94  -0.2 M  1.0  AMT  
    AMT   HP    1.1 107  S       09:03:56.66  -0.8 M  1.0  AMT  
    PVO   HP    1.2  51  P       09:03:42.14  -0.1 M  1.0  PVO  
    PVO   HP    1.2  51  S       09:03:59.80   0.5 M  1.0  PVO  
    AGRP  CL    1.2  64  P       09:03:42.71   0.2 M  1.0  AGRP 
    AGRP  CL    1.2  64  S       09:04:00.13   0.3 M  1.0  AGRP 
    VVK   HP    1.3  64  P       09:03:44.28   0.5 M  1.0  VVK  
    VVK   HP    1.3  64  S       09:04:02.58   0.5 M  1.0  VVK  
    ROD3  CL    1.3  70  P       09:03:44.36   0.3 M  1.0  ROD3 
    ROD3  CL    1.3  70  S       09:04:02.99   0.5 M  1.0  ROD3 
    LAKA  HA    1.4  74  P       09:03:45.33   0.5 M  1.0  LAKA 
    LAKA  HA    1.4  74  S       09:04:04.39   0.5 M  1.0  LAKA 
    EFP   HP    1.4  65  P       09:03:45.14   0.2 M  1.0  EFP  
    EFP   HP    1.4  65  S       09:04:04.85   0.8 M  1.0  EFP  
    AIOA  CL    1.4  76  P       09:03:45.77   0.2 M  1.0  AIOA 
    AIOA  CL    1.4  76  S       09:04:05.88   0.6 M  1.0  AIOA 
    PYRG  CL    1.4  67  P       09:03:46.23   0.0 M  1.0  PYRG 
    PYRG  CL    1.4  67  S       09:04:07.10   0.7 M  1.0  PYRG 
    KLV   HL    1.4  83  P       09:03:46.61   0.2 M  1.0  KLV  
    KLV   HL    1.4  83  S       09:04:07.16   0.4 M  1.0  KLV  
    ANX   HP    1.4  60  P       09:03:47.05   0.6 M  1.0  ANX  
    ANX   HP    1.4  60  S       09:04:07.58   0.7 M  1.0  ANX  
    TRIZ  CL    1.5  70  P       09:03:47.00   0.4 M  1.0  TRIZ 
    TRIZ  CL    1.5  70  S       09:04:07.54   0.5 M  1.0  TRIZ 
    SERG  HP    1.5  68  P       09:03:47.18   0.5 M  1.0  SERG 
    SERG  HP    1.5  68  S       09:04:07.75   0.5 M  1.0  SERG 
    GUR   HP    1.6  87  P       09:03:49.08   0.2 M  1.0  GUR  
    GUR   HP    1.6  87  S       09:04:10.56  -0.4 M  1.0  GUR  

29 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    ORTH  HL    0.3  92  MLv     2.86  0.09    9.34201      
    PSDA  HT    0.3  38  MLv     2.74 -0.03    5.60308      
    VLS   HL    0.4  32  MLv     2.80  0.03    4.58235      
    RTZL  HT    0.4  58  MLv     2.85  0.07    4.15238      
    LTHK  HP    0.4 111  MLv     3.06  0.29    6.16804      
    KRI1  HI    0.4 117  MLv     2.84  0.07    3.56731      
    ATHR  HA    0.5   8  MLv     2.63 -0.15      1.754      
    FSK   HP    0.6  17  MLv     2.91  0.14    1.82806      
    ITHC  HT    0.6  21  MLv     3.11  0.34     2.8333      
    EVGI  HT    0.8  18  MLv     2.95  0.18    1.61029      
    NYDR  HT    0.9  18  MLv     3.00  0.23    1.15934      
    RLS   HL    0.9  78  MLv     2.63 -0.14   0.673762      
    PDO   HP    1.0  42  MLv     2.86  0.08    1.00646      
    PLEV  HP    1.0  57  MLv     2.68 -0.09   0.667292      
    DRO   HP    1.1  85  MLv     2.46 -0.31   0.752759      
    AMT   HP    1.1 107  MLv     3.06  0.29     1.3506      
    PVO   HP    1.2  51  MLv     2.77 -0.00   0.634427      
    AGRP  CL    1.2  64  MLv     2.89  0.12   0.830038      
    VVK   HP    1.3  64  MLv     2.16 -0.61   0.657277      
    ROD3  CL    1.3  70  MLv     2.76 -0.01   0.825604      
    LAKA  HA    1.4  74  MLv     2.66 -0.12   0.404547      
    EFP   HP    1.4  65  MLv     2.70 -0.07   0.441583      
    AIOA  CL    1.4  76  MLv     2.57 -0.20   0.080443      
    PYRG  CL    1.4  67  MLv     2.28 -0.49   0.0972343      
    KLV   HL    1.4  83  MLv     2.82  0.05    0.39676      
    ANX   HP    1.4  60  MLv     2.75 -0.02   0.446122      
    TRIZ  CL    1.5  70  MLv     2.66 -0.11   0.356346      
    SERG  HP    1.5  68  MLv     2.76 -0.02   0.442527      
    GUR   HP    1.6  87  MLv     2.73 -0.05   0.351508