Earthquake Information
 Origin Time
2025-12-18 15:42:16 (GMT)
 Magnitude
M 2.8
 Latitude
36.5016° N
 Longitude
22.0979° E
 Focal Depth
24 km
 # of Arrivals
42
 Location 49.9 km SE of Methoni
59.8 km S of Kalamata
219.3 km SW of Athens
 Solution type
manual
 Files / Links
QuakeML  GSE2.0  Alert  .phi  
  

  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
GR331Y35.8 36 P15:42:23.91 -0.61.0M
GR331Y35.8 36 S15:42:30.66 -0.31.0M
GR311Y70.1 33 P15:42:29.06 0.21.0M
GR311Y70.1 33 S15:42:38.21 -0.41.0M
KTHRHC85.1109 P15:42:30.88 0.11.0M
KTHRHC85.1109 S15:42:42.48 0.41.0M
MNVAHL86.4 76 P15:42:31.72 0.71.0M
MNVAHL86.4 76 S15:42:42.18 -0.11.0M
KTHAHL90.5107 P15:42:31.51 0.01.0M
KTHAHL90.5107 S15:42:43.38 0.11.0M
GR321Y94.7 57 P15:42:32.91 0.91.0M
GR321Y94.7 57 S15:42:44.62 0.51.0M
VLXHP99.8 14 P15:42:32.70 0.11.0M
VLXHP99.8 14 S15:42:45.73 0.51.0M
ANKYHL129.0123 P15:42:36.41 0.01.0M
ANKYHL129.0123 S15:42:52.34 0.41.0M
KRYOHL169.8 16 P15:42:42.27 0.81.0M
KRYOHL169.8 16 S15:43:01.80 0.71.0M
VLYHL212.5 45 P15:42:46.44 -0.41.0M
VLYHL212.5 45 S15:43:11.16 0.41.0M
SERIHA224.8 70 P15:42:47.69 -0.71.0M
SERIHA224.8 70 S15:43:13.61 0.01.0M
MRTHHA243.0 42 P15:42:50.22 -0.31.0M
MRTHHA243.0 42 S15:43:17.30 -0.21.0M
ERTRHA259.0 35 P15:42:52.00 -0.51.0M
ERTRHA259.0 35 S15:43:20.33 -0.71.0M
GR27B1Y269.3 44 P15:42:53.32 -0.51.0M
GR27B1Y269.3 44 S15:43:23.49 0.11.0M
AGGHT280.9 4 P15:42:55.90 0.71.0M
AGGHT280.9 4 S15:43:26.13 0.31.0M
IOSIHA285.8 84 P15:42:55.29 -0.71.0M
IOSIHA285.8 84 S15:43:27.19 0.01.0M
GR201Y305.5354 P15:42:58.74 0.51.0M
GR201Y305.5354 S15:43:31.55 0.21.0M
TETRHL324.3347 P15:43:00.12 -0.41.0M
TETRHL324.3347 S15:43:35.77 0.31.0M
PRMDHP348.0346 P15:43:02.76 -0.71.0M
PRMDHP348.0346 S15:43:40.45 -0.31.0M
CHOSHT407.0 58 P15:43:10.20 -0.71.0M
CHOSHT407.0 58 S15:43:53.75 -0.41.0M
PENTHL419.2349 P15:43:12.00 -0.31.0M
PENTHL419.2349 S15:43:56.68 0.11.0M


  Solution details

Event:
    Public ID              nkua2025ysmr
    Description
      region name: Southern Greece
Origin:
    Date                   2025-12-18
    Time                  15:42:15.78  +/-    0.4 s
    Latitude              36.5016 deg  +/-      2 km
    Longitude             22.0979 deg  +/-      2 km
    Depth                      24 km   +/-    2 km
    Agency                 HA
    Author                 A. Karakonstantis
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.46 s
    Azimuthal gap             223 deg

2 Network magnitudes:
    MLv       2.81 +/- 0.19  17            
    M         2.81           17 preferred  

42 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    GR33  1Y    0.3  36  P       15:42:23.91  -0.6 M  1.0  GR33 
    GR33  1Y    0.3  36  S       15:42:30.66  -0.3 M  1.0  GR33 
    GR31  1Y    0.6  33  P       15:42:29.06   0.2 M  1.0  GR31 
    GR31  1Y    0.6  33  S       15:42:38.21  -0.4 M  1.0  GR31 
    KTHR  HC    0.8 109  P       15:42:30.88   0.1 M  1.0  KTHR 
    KTHR  HC    0.8 109  S       15:42:42.48   0.4 M  1.0  KTHR 
    MNVA  HL    0.8  76  P       15:42:31.72   0.7 M  1.0  MNVA 
    MNVA  HL    0.8  76  S       15:42:42.18  -0.1 M  1.0  MNVA 
    KTHA  HL    0.8 107  P       15:42:31.51   0.0 M  1.0  KTHA 
    KTHA  HL    0.8 107  S       15:42:43.38   0.1 M  1.0  KTHA 
    GR32  1Y    0.9  57  P       15:42:32.91   0.9 M  1.0  GR32 
    GR32  1Y    0.9  57  S       15:42:44.62   0.5 M  1.0  GR32 
    VLX   HP    0.9  14  P       15:42:32.70   0.1 M  1.0  VLX  
    VLX   HP    0.9  14  S       15:42:45.73   0.5 M  1.0  VLX  
    ANKY  HL    1.2 123  P       15:42:36.41   0.0 M  1.0  ANKY 
    ANKY  HL    1.2 123  S       15:42:52.34   0.4 M  1.0  ANKY 
    KRYO  HL    1.5  16  P       15:42:42.27   0.8 M  1.0  KRYO 
    KRYO  HL    1.5  16  S       15:43:01.80   0.7 M  1.0  KRYO 
    VLY   HL    1.9  45  P       15:42:46.44  -0.4 M  1.0  VLY  
    VLY   HL    1.9  45  S       15:43:11.16   0.4 M  1.0  VLY  
    SERI  HA    2.0  70  P       15:42:47.69  -0.7 M  1.0  SERI 
    SERI  HA    2.0  70  S       15:43:13.61   0.0 M  1.0  SERI 
    MRTH  HA    2.2  42  P       15:42:50.22  -0.3 M  1.0  MRTH 
    MRTH  HA    2.2  42  S       15:43:17.30  -0.2 M  1.0  MRTH 
    ERTR  HA    2.3  35  P       15:42:52.00  -0.5 M  1.0  ERTR 
    ERTR  HA    2.3  35  S       15:43:20.33  -0.7 M  1.0  ERTR 
    GR27B 1Y    2.4  44  P       15:42:53.32  -0.5 M  1.0  GR27B
    GR27B 1Y    2.4  44  S       15:43:23.49   0.1 M  1.0  GR27B
    AGG   HT    2.5   4  P       15:42:55.90   0.7 M  1.0  AGG  
    AGG   HT    2.5   4  S       15:43:26.13   0.3 M  1.0  AGG  
    IOSI  HA    2.6  84  P       15:42:55.29  -0.7 M  1.0  IOSI 
    IOSI  HA    2.6  84  S       15:43:27.19  -0.0 M  1.0  IOSI 
    GR20  1Y    2.7 354  P       15:42:58.74   0.5 M  1.0  GR20 
    GR20  1Y    2.7 354  S       15:43:31.55   0.2 M  1.0  GR20 
    TETR  HL    2.9 347  P       15:43:00.12  -0.4 M  1.0  TETR 
    TETR  HL    2.9 347  S       15:43:35.77   0.3 M  1.0  TETR 
    PRMD  HP    3.1 346  P       15:43:02.76  -0.7 M  1.0  PRMD 
    PRMD  HP    3.1 346  S       15:43:40.45  -0.3 M  1.0  PRMD 
    CHOS  HT    3.7  58  P       15:43:10.20  -0.7 M  1.0  CHOS 
    CHOS  HT    3.7  58  S       15:43:53.75  -0.4 M  1.0  CHOS 
    PENT  HL    3.8 349  P       15:43:12.00  -0.3 M  1.0  PENT 
    PENT  HL    3.8 349  S       15:43:56.68   0.1 M  1.0  PENT 

21 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    GR33  1Y    0.3  36  MLv     2.65 -0.16    4.56208      
    GR31  1Y    0.6  33  MLv     2.79 -0.02    1.38588      
    KTHR  HC    0.8 109  MLv     3.37  0.56    4.44327      
    MNVA  HL    0.8  76  MLv     2.67 -0.14   0.871171      
    KTHA  HL    0.8 107  MLv     2.77 -0.04    1.04094      
    GR32  1Y    0.9  57  MLv     2.90  0.09    1.35154      
    VLX   HP    0.9  14  MLv     2.45 -0.36   0.449965      
    ANKY  HL    1.2 123  MLv     2.72 -0.10   0.589404      
    KRYO  HL    1.5  16  MLv     3.06  0.25   0.814384      
    VLY   HL    1.9  45  MLv     2.62 -0.19   0.179913      
    SERI  HA    2.0  70  MLv     2.63 -0.18   0.161227      
    MRTH  HA    2.2  42  MLv     2.79 -0.03   0.186523      
    ERTR  HA    2.3  35  MLv     2.56 -0.25   0.0915854      
    GR27B 1Y    2.4  44  MLv     2.67 -0.14   0.105481      
    AGG   HT    2.5   4  MLv     2.66 -0.16   0.0694081      
    IOSI  HA    2.6  84  MLv     2.75 -0.07   0.103983      
    GR20  1Y    2.7 354  MLv     2.72 -0.09   0.0775148      
    TETR  HL    2.9 347  MLv     3.11  0.30   0.153431      
    PRMD  HP    3.1 346  MLv     3.20  0.38   0.143469      
    CHOS  HT    3.7  58  MLv     3.25  0.44   0.0863138      
    PENT  HL    3.8 349  MLv     3.42  0.61   0.0934899