Earthquake Information
 Origin Time
2025-12-18 10:27:53 (GMT)
 Magnitude
M 2.5
 Latitude
37.4235° N
 Longitude
20.6137° E
 Focal Depth
3 km
 # of Arrivals
44
 Location 47.8 km SSW of Zakynthos
78.2 km SW of Andravida
281.4 km WSW of Athens
 Solution type
manual
 Files / Links
QuakeML  GSE2.0  Alert  .phi  
  

  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
KRI1HI32.0 34 P10:27:59.04 0.01.0M
KRI1HI32.0 34 S10:28:04.02 0.21.0M
LTHKHP37.4 32 P10:27:59.89 -0.11.0M
LTHKHP37.4 32 S10:28:05.44 0.01.0M
STRFHL40.7119 P10:28:00.93 0.41.0M
STRFHL40.7119 S10:28:06.27 -0.21.0M
ORTHHL48.1 9 P10:28:01.37 -0.41.0M
ORTHHL48.1 9 S10:28:07.78 -0.91.0M
GR281Y69.6 42 P10:28:05.16 -0.21.0M
GR281Y69.6 42 S10:28:13.83 -1.01.0M
RTZLHT73.9 11 P10:28:05.74 -0.21.0M
RTZLHT73.9 11 S10:28:15.21 -0.81.0M
PSDAHT76.8358 P10:28:06.03 -0.41.0M
PSDAHT76.8358 S10:28:16.41 -0.41.0M
AMTHP97.4 83 P10:28:09.57 -0.31.0M
AMTHP97.4 83 S10:28:22.49 -0.41.0M
DROHP113.1 59 P10:28:12.24 -0.11.0M
DROHP113.1 59 S10:28:27.06 -0.21.0M
ITMHL119.2103 P10:28:13.23 -0.11.0M
ITMHL119.2103 S10:28:28.56 -0.41.0M
PLEVHP130.1 32 P10:28:15.01 0.01.0M
PLEVHP130.1 32 S10:28:31.67 -0.21.0M
PDOHP139.9 21 P10:28:17.51 1.01.0M
PDOHP139.9 21 S10:28:34.99 0.51.0M
AGRPCL145.5 42 P10:28:17.14 -0.21.0M
AGRPCL145.5 42 S10:28:36.04 0.01.0M
ROD3CL149.2 49 P10:28:18.82 0.81.0M
ROD3CL149.2 49 S10:28:37.61 0.51.0M
LAKAHA150.4 53 P10:28:19.18 1.01.0M
LAKAHA150.4 53 S10:28:37.65 0.21.0M
KLVHL151.7 63 P10:28:19.05 0.61.0M
KLVHL151.7 63 S10:28:37.96 0.01.0M
WGC0HA151.8 52 P10:28:19.16 0.81.0M
WGC0HA151.8 52 S10:28:38.02 0.21.0M
LKD2HT151.9 1 P10:28:18.50 0.11.0M
LKD2HT151.9 1 S10:28:38.01 0.21.0M
AIOACL153.1 56 P10:28:19.35 0.81.0M
AIOACL153.1 56 S10:28:38.75 0.61.0M
VLXHP156.1 92 P10:28:18.89 -0.31.0M
VLXHP156.1 92 S10:28:39.49 0.31.0M
EFPHP159.0 46 P10:28:20.39 0.91.0M
EFPHP159.0 46 S10:28:40.09 0.41.0M
GURHP162.5 70 P10:28:19.59 -0.61.0M
GURHP162.5 70 S10:28:41.18 0.21.0M


  Solution details

Event:
    Public ID              nkua2025ysch
    Description
      region name: Ionian Sea
Origin:
    Date                   2025-12-18
    Time                  10:27:52.82
    Latitude              37.4235 deg  +/-      1 km
    Longitude             20.6137 deg  +/-      1 km
    Depth                       3 km   +/-    2 km
    Agency                 HA
    Author                 A. Karakonstantis
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.43 s
    Azimuthal gap             239 deg

2 Network magnitudes:
    MLv       2.47 +/- 0.10  18            
    M         2.47           18 preferred  

44 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    KRI1  HI    0.3  34  P       10:27:59.04  -0.0 M  1.0  KRI1 
    KRI1  HI    0.3  34  S       10:28:04.02   0.2 M  1.0  KRI1 
    LTHK  HP    0.3  32  P       10:27:59.89  -0.1 M  1.0  LTHK 
    LTHK  HP    0.3  32  S       10:28:05.44   0.0 M  1.0  LTHK 
    STRF  HL    0.4 119  P       10:28:00.93   0.4 M  1.0  STRF 
    STRF  HL    0.4 119  S       10:28:06.27  -0.2 M  1.0  STRF 
    ORTH  HL    0.4   9  P       10:28:01.37  -0.4 M  1.0  ORTH 
    ORTH  HL    0.4   9  S       10:28:07.78  -0.9 M  1.0  ORTH 
    GR28  1Y    0.6  42  P       10:28:05.16  -0.2 M  1.0  GR28 
    GR28  1Y    0.6  42  S       10:28:13.83  -1.0 M  1.0  GR28 
    RTZL  HT    0.7  11  P       10:28:05.74  -0.2 M  1.0  RTZL 
    RTZL  HT    0.7  11  S       10:28:15.21  -0.8 M  1.0  RTZL 
    PSDA  HT    0.7 358  P       10:28:06.03  -0.4 M  1.0  PSDA 
    PSDA  HT    0.7 358  S       10:28:16.41  -0.4 M  1.0  PSDA 
    AMT   HP    0.9  83  P       10:28:09.57  -0.3 M  1.0  AMT  
    AMT   HP    0.9  83  S       10:28:22.49  -0.4 M  1.0  AMT  
    DRO   HP    1.0  59  P       10:28:12.24  -0.1 M  1.0  DRO  
    DRO   HP    1.0  59  S       10:28:27.06  -0.2 M  1.0  DRO  
    ITM   HL    1.1 103  P       10:28:13.23  -0.1 M  1.0  ITM  
    ITM   HL    1.1 103  S       10:28:28.56  -0.4 M  1.0  ITM  
    PLEV  HP    1.2  32  P       10:28:15.01  -0.0 M  1.0  PLEV 
    PLEV  HP    1.2  32  S       10:28:31.67  -0.2 M  1.0  PLEV 
    PDO   HP    1.3  21  P       10:28:17.51   1.0 M  1.0  PDO  
    PDO   HP    1.3  21  S       10:28:34.99   0.5 M  1.0  PDO  
    AGRP  CL    1.3  42  P       10:28:17.14  -0.2 M  1.0  AGRP 
    AGRP  CL    1.3  42  S       10:28:36.04  -0.0 M  1.0  AGRP 
    ROD3  CL    1.3  49  P       10:28:18.82   0.8 M  1.0  ROD3 
    ROD3  CL    1.3  49  S       10:28:37.61   0.5 M  1.0  ROD3 
    LAKA  HA    1.4  53  P       10:28:19.18   1.0 M  1.0  LAKA 
    LAKA  HA    1.4  53  S       10:28:37.65   0.2 M  1.0  LAKA 
    LKD2  HT    1.4   1  P       10:28:18.50   0.1 M  1.0  LKD2 
    LKD2  HT    1.4   1  S       10:28:38.01   0.2 M  1.0  LKD2 
    KLV   HL    1.4  63  P       10:28:19.05   0.6 M  1.0  KLV  
    KLV   HL    1.4  63  S       10:28:37.96   0.0 M  1.0  KLV  
    WGC0  HA    1.4  52  P       10:28:19.16   0.8 M  1.0  WGC0 
    WGC0  HA    1.4  52  S       10:28:38.02   0.2 M  1.0  WGC0 
    AIOA  CL    1.4  56  P       10:28:19.35   0.8 M  1.0  AIOA 
    AIOA  CL    1.4  56  S       10:28:38.75   0.6 M  1.0  AIOA 
    VLX   HP    1.4  92  P       10:28:18.89  -0.3 M  1.0  VLX  
    VLX   HP    1.4  92  S       10:28:39.49   0.3 M  1.0  VLX  
    EFP   HP    1.4  46  P       10:28:20.39   0.9 M  1.0  EFP  
    EFP   HP    1.4  46  S       10:28:40.09   0.4 M  1.0  EFP  
    GUR   HP    1.5  70  P       10:28:19.59  -0.6 M  1.0  GUR  
    GUR   HP    1.5  70  S       10:28:41.18   0.2 M  1.0  GUR  

22 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    KRI1  HI    0.3  34  MLv     2.56  0.09    4.51699      
    LTHK  HP    0.3  32  MLv     2.45 -0.02    2.61997      
    STRF  HL    0.4 119  MLv     2.40 -0.07    1.93464      
    ORTH  HL    0.4   9  MLv     2.60  0.13    1.98783      
    GR28  1Y    0.6  42  MLv     2.50  0.03   0.704043      
    RTZL  HT    0.7  11  MLv     2.64  0.17    0.92797      
    PSDA  HT    0.7 358  MLv     2.61  0.14   0.847402      
    AMT   HP    0.9  83  MLv     2.90  0.43    1.28649      
    DRO   HP    1.0  59  MLv     2.26 -0.21   0.513494      
    ITM   HL    1.1 103  MLv     2.45 -0.02   0.360445      
    PLEV  HP    1.2  32  MLv     2.20 -0.27   0.177191      
    PDO   HP    1.3  21  MLv     2.69  0.22   0.493637      
    AGRP  CL    1.3  42  MLv     2.40 -0.07   0.234301      
    ROD3  CL    1.3  49  MLv     2.37 -0.10   0.322578      
    LAKA  HA    1.4  53  MLv     2.24 -0.23   0.155572      
    LKD2  HT    1.4   1  MLv     2.60  0.13   0.347125      
    KLV   HL    1.4  63  MLv     2.51  0.04   0.212792      
    WGC0  HA    1.4  52  MLv     2.49  0.02   0.272998      
    AIOA  CL    1.4  56  MLv     2.39 -0.08   0.0548895      
    VLX   HP    1.4  92  MLv     1.95 -0.52   0.0739725      
    EFP   HP    1.4  46  MLv     2.39 -0.08   0.195871      
    GUR   HP    1.5  70  MLv     2.55  0.08   0.276687