Earthquake Information
 Origin Time
2025-04-09 20:38:57 (GMT)
 Magnitude
M 1.1
 Latitude
38.0428° N
 Longitude
23.8538° E
 Focal Depth
11 km
 # of Arrivals
28
 Location 12.5 km ENE of Athens
51.8 km SSE of Chalkida
56.1 km ESE of Thiva
 Solution type
manual
 Files / Links
QuakeML  GSE2.0  Alert  .phi  
  

  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
PTLHL1.0 61 P20:38:59.66 0.21.0M
PTLHL1.0 61 S20:39:00.99 -0.11.0M
MRTHHA11.7 41 P20:39:00.60 0.31.0M
MRTHHA11.7 41 S20:39:02.52 0.01.0M
NOACHL14.2237 P20:39:00.74 0.11.0M
NOACHL14.2237 S20:39:03.23 0.11.0M
ATHHL14.2237 P20:39:00.75 0.11.0M
ATHHL14.2237 S20:39:03.23 0.11.0M
ALIOHA16.1279 P20:39:01.04 0.11.0M
ALIOHA16.1279 S20:39:03.31 -0.31.0M
VLYHL21.8194 P20:39:01.90 0.11.0M
VLYHL21.8194 S20:39:05.02 -0.11.0M
MDRAHA34.0273 P20:39:03.87 0.11.0M
MDRAHA34.0273 S20:39:08.34 -0.31.0M
GR27B1Y39.6 61 P20:39:04.63 0.01.0M
GR27B1Y39.6 61 S20:39:10.06 -0.11.0M
ERTRHA40.9352 P20:39:04.86 0.01.0M
ERTRHA40.9352 S20:39:10.04 -0.51.0M
VILLHA49.3286 P20:39:07.07 0.81.0M
VILLHA49.3286 S20:39:12.84 -0.21.0M
KARYHA51.1 91 P20:39:06.58 0.11.0M
KARYHA51.1 91 S20:39:13.24 -0.21.0M
GR261Y55.5316 P20:39:07.11 -0.21.0M
GR261Y55.5316 S20:39:14.57 -0.21.0M
MRKAHA77.2342 P20:39:10.83 0.21.0M
MRKAHA77.2342 S20:39:20.92 0.21.0M
LTKHP77.7268 P20:39:11.49 0.71.0M
LTKHP77.7268 S20:39:21.12 0.21.0M


  Solution details

Event:
    Public ID              nkua2025gyqe
    Description
      region name: Greece
Origin:
    Date                   2025-04-09
    Time                  20:38:57.39
    Latitude              38.0428 deg  +/-      0 km
    Longitude             23.8538 deg  +/-      0 km
    Depth                      11 km   +/-    0 km
    Agency                 HA
    Author                 A. Karakonstantis
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.17 s
    Azimuthal gap             103 deg

2 Network magnitudes:
    MLv       1.13 +/- 0.16  12            
    M         1.13           12 preferred  

28 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    PTL   HL    0.0  61  P       20:38:59.66   0.2 M  1.0  PTL  
    PTL   HL    0.0  61  S       20:39:00.99  -0.1 M  1.0  PTL  
    MRTH  HA    0.1  41  P       20:39:00.60   0.3 M  1.0  MRTH 
    MRTH  HA    0.1  41  S       20:39:02.52   0.0 M  1.0  MRTH 
    ATH   HL    0.1 237  P       20:39:00.75   0.1 M  1.0  ATH  
    ATH   HL    0.1 237  S       20:39:03.23   0.1 M  1.0  ATH  
    NOAC  HL    0.1 237  P       20:39:00.74   0.1 M  1.0  NOAC 
    NOAC  HL    0.1 237  S       20:39:03.23   0.1 M  1.0  NOAC 
    ALIO  HA    0.1 279  P       20:39:01.04   0.1 M  1.0  ALIO 
    ALIO  HA    0.1 279  S       20:39:03.31  -0.3 M  1.0  ALIO 
    VLY   HL    0.2 194  P       20:39:01.90   0.1 M  1.0  VLY  
    VLY   HL    0.2 194  S       20:39:05.02  -0.1 M  1.0  VLY  
    MDRA  HA    0.3 273  P       20:39:03.87   0.1 M  1.0  MDRA 
    MDRA  HA    0.3 273  S       20:39:08.34  -0.3 M  1.0  MDRA 
    GR27B 1Y    0.4  61  P       20:39:04.63  -0.0 M  1.0  GR27B
    GR27B 1Y    0.4  61  S       20:39:10.06  -0.1 M  1.0  GR27B
    ERTR  HA    0.4 352  P       20:39:04.86   0.0 M  1.0  ERTR 
    ERTR  HA    0.4 352  S       20:39:10.04  -0.5 M  1.0  ERTR 
    VILL  HA    0.4 286  P       20:39:07.07   0.8 M  1.0  VILL 
    VILL  HA    0.4 286  S       20:39:12.84  -0.2 M  1.0  VILL 
    KARY  HA    0.5  91  P       20:39:06.58   0.1 M  1.0  KARY 
    KARY  HA    0.5  91  S       20:39:13.24  -0.2 M  1.0  KARY 
    GR26  1Y    0.5 316  P       20:39:07.11  -0.2 M  1.0  GR26 
    GR26  1Y    0.5 316  S       20:39:14.57  -0.2 M  1.0  GR26 
    MRKA  HA    0.7 342  P       20:39:10.83   0.2 M  1.0  MRKA 
    MRKA  HA    0.7 342  S       20:39:20.92   0.2 M  1.0  MRKA 
    LTK   HP    0.7 268  P       20:39:11.49   0.7 M  1.0  LTK  
    LTK   HP    0.7 268  S       20:39:21.12   0.2 M  1.0  LTK  

14 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    PTL   HL    0.0  61  MLv     1.27  0.14    1.38558      
    MRTH  HA    0.1  41  MLv     1.43  0.31    1.09872      
    ATH   HL    0.1 237  MLv     1.08 -0.04   0.426551      
    NOAC  HL    0.1 237  MLv     1.13  0.00   0.473069      
    ALIO  HA    0.1 279  MLv     0.94 -0.19   0.275243      
    VLY   HL    0.2 194  MLv     1.02 -0.11   0.235496      
    MDRA  HA    0.3 273  MLv     0.93 -0.19   0.0961274      
    GR27B 1Y    0.4  61  MLv     1.18  0.05   0.123452      
    ERTR  HA    0.4 352  MLv     0.96 -0.16   0.0694742      
    VILL  HA    0.4 286  MLv     1.04 -0.09   0.0506024      
    KARY  HA    0.5  91  MLv     1.61  0.48   0.170863      
    GR26  1Y    0.5 316  MLv     1.17  0.04   0.0481396      
    MRKA  HA    0.7 342  MLv     1.54  0.41   0.0710992      
    LTK   HP    0.7 268  MLv     0.85 -0.28   0.0551825