Earthquake Information
 Origin Time
2025-04-30 20:47:50 (GMT)
 Magnitude
M 1.8
 Latitude
40.0387° N
 Longitude
22.6914° E
 Focal Depth
2 km
 # of Arrivals
21
 Location 30.5 km SSE of Katerini
50.3 km NNE of Larissa
245.6 km NNW of Athens
 Solution type
automatic
 Files / Links
QuakeML  GSE2.0  Alert  .phi  
  

  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
LITHT18.5293 P20:47:52.89 -0.71.0A
GR181Y34.6183 P20:47:56.05 -0.21.0A
TYRNHT53.5227 P20:47:58.97 -0.41.0A
GR161Y64.1271 P20:48:00.49 -0.71.0A
GR111Y68.6322 P20:48:03.09 1.11.0A
HORTHT71.1 29 P20:48:01.58 -0.81.0A
GR211Y75.6192 P20:48:02.74 -0.41.0A
THLHL78.3228 P20:48:03.21 -0.41.0A
PAIGHT84.7 97 P20:48:04.45 -0.31.0A
NEOHL93.3151 P20:48:06.72 0.61.0A
GR171Y96.6250 P20:48:06.78 0.11.0A
SOHHT103.5 33 P20:48:06.99 -0.81.0A
GRGHT104.8347 P20:48:08.20 0.11.0A
GR101Y105.4298 P20:48:07.45 -0.71.0A
GR091Y109.1 50 P20:48:09.72 0.91.0A
OURHT114.4 73 P20:48:09.40 -0.21.0A
GR201Y120.6222 P20:48:10.78 0.31.0A
PENTHL133.2278 P20:48:13.62 1.21.0A
KOKKHT140.6 52 P20:48:13.28 -0.21.0A
TETRHL143.7238 P20:48:14.69 0.81.0A
NVRHL176.1 34 P20:48:18.97 0.51.0A


  Solution details

Event:
    Public ID              nkua2025ikzz
    Description
      region name: Greece
Origin:
    Date                   2025-04-30
    Time                  20:47:49.95  +/-    0.2 s
    Latitude              40.0387 deg  +/-      2 km
    Longitude             22.6914 deg  +/-      2 km
    Depth                       2 km
    Agency                 HA
    Mode                   automatic
    Status                 NOT SET
    Residual RMS             0.64 s
    Azimuthal gap              53 deg

2 Network magnitudes:
    MLv       1.78 +/- 0.08   7            
    M         1.78            7 preferred  

21 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    LIT   HT    0.2 293  P       20:47:52.89  -0.7 A  1.0  LIT  
    GR18  1Y    0.3 183  P       20:47:56.05  -0.2 A  1.0  GR18 
    TYRN  HT    0.5 227  P       20:47:58.97  -0.4 A  1.0  TYRN 
    GR16  1Y    0.6 271  P       20:48:00.49  -0.7 A  1.0  GR16 
    GR11  1Y    0.6 322  P       20:48:03.09   1.1 A  1.0  GR11 
    HORT  HT    0.6  29  P       20:48:01.58  -0.8 A  1.0  HORT 
    GR21  1Y    0.7 192  P       20:48:02.74  -0.4 A  1.0  GR21 
    THL   HL    0.7 228  P       20:48:03.21  -0.4 A  1.0  THL  
    PAIG  HT    0.8  97  P       20:48:04.45  -0.3 A  1.0  PAIG 
    NEO   HL    0.8 151  P       20:48:06.72   0.6 A  1.0  NEO  
    GR17  1Y    0.9 250  P       20:48:06.78   0.1 A  1.0  GR17 
    SOH   HT    0.9  33  P       20:48:06.99  -0.8 A  1.0  SOH  
    GRG   HT    0.9 347  P       20:48:08.20   0.1 A  1.0  GRG  
    GR10  1Y    0.9 298  P       20:48:07.45  -0.7 A  1.0  GR10 
    GR09  1Y    1.0  50  P       20:48:09.72   0.9 A  1.0  GR09 
    OUR   HT    1.0  73  P       20:48:09.40  -0.2 A  1.0  OUR  
    GR20  1Y    1.1 222  P       20:48:10.78   0.3 A  1.0  GR20 
    PENT  HL    1.2 278  P       20:48:13.62   1.2 A  1.0  PENT 
    KOKK  HT    1.3  52  P       20:48:13.28  -0.2 A  1.0  KOKK 
    TETR  HL    1.3 238  P       20:48:14.69   0.8 A  1.0  TETR 
    NVR   HL    1.6  34  P       20:48:18.97   0.5 A  1.0  NVR  

9 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    LIT   HT    0.2 293  MLv     1.55 -0.23   0.696194      
    GR18  1Y    0.3 183  MLv     1.63 -0.16   0.459763      
    TYRN  HT    0.5 227  MLv     1.80  0.02   0.179321      
    GR16  1Y    0.6 271  MLv     1.77 -0.01   0.141549      
    GR11  1Y    0.6 322  MLv     1.84  0.06   0.159189      
    HORT  HT    0.6  29  MLv     1.84  0.06    0.10369      
    GR21  1Y    0.7 192  MLv     1.74 -0.04   0.115484      
    THL   HL    0.7 228  MLv     2.30  0.52   0.247145      
    PAIG  HT    0.8  97  MLv     1.85  0.06   0.103076