Earthquake Information
 Origin Time
 2025-07-08 20:50:37 (GMT)
 Magnitude
 M 2.5
 Latitude
 41.3758° N
 Longitude
 23.2820° E
 Focal Depth
 10 km
 # of Arrivals
 30
 Location 39.3 km NW of Serres
54.8 km NE of Kilkis
379.2 km N of Athens
 Solution type
 manual
 Files / Links
 QuakeML  GSE2.0  Alert  .phi  
  

  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
GR011Y10.1176 P20:50:39.97 0.21.0M
GR011Y10.1176 S20:50:41.95 0.21.0M
MK04A1Y33.2278 P20:50:43.44 0.11.0M
MK04A1Y33.2278 S20:50:47.91 -0.21.0M
KNTHT39.9234 P20:50:44.40 -0.11.0M
KNTHT39.9234 S20:50:49.26 -0.81.0M
MMBBS43.4 64 P20:50:45.27 0.21.0M
MMBBS43.4 64 S20:50:50.89 -0.21.0M
NVRHL48.8 94 P20:50:46.03 0.11.0M
NVRHL48.8 94 S20:50:52.39 -0.31.0M
KKBBS53.4346 P20:50:46.80 0.21.0M
KKBBS53.4346 S20:50:53.77 -0.11.0M
SOHHT62.0174 P20:50:48.06 0.01.0M
SOHHT62.0174 S20:50:55.75 -0.71.0M
KOKKHT86.4136 P20:50:52.00 0.11.0M
KOKKHT86.4136 S20:51:03.07 -0.11.0M
GR091Y86.5157 P20:50:52.22 0.31.0M
GR091Y86.5157 S20:51:03.57 0.41.0M
THEHT86.9198 P20:50:52.26 0.31.0M
THEHT86.9198 S20:51:02.88 -0.41.0M
SEISHI87.0198 P20:50:52.25 0.31.0M
SEISHI87.0198 S20:51:03.06 -0.21.0M
GRGHT87.2238 P20:50:52.12 0.01.0M
GRGHT87.2238 S20:51:03.55 0.11.0M
HORTHT87.9190 P20:50:52.48 0.31.0M
HORTHT87.9190 S20:51:03.18 -0.51.0M
ITS1HI88.6195 P20:50:52.63 0.41.0M
ITS1HI88.6195 S20:51:03.28 -0.51.0M
KLR1HI92.5198 P20:50:53.19 0.31.0M
KLR1HI92.5198 S20:51:05.01 0.21.0M


  Solution details 

Event:
    Public ID              nkua2025nhbu
    Description
      region name: Greece Bulgaria Border Region
Origin:
    Date                   2025-07-08
    Time                  20:50:37.14
    Latitude              41.3758 deg  +/-      0 km
    Longitude             23.2820 deg  +/-      0 km
    Depth                      10 km   +/-    1 km
    Agency                 HA
    Author                 A. Karakonstantis
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.22 s
    Azimuthal gap              78 deg

2 Network magnitudes:
    MLv       2.48 +/- 0.23  13            
    M         2.48           13 preferred  

30 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    GR01  1Y    0.1 176  P       20:50:39.97   0.2 M  1.0  GR01 
    GR01  1Y    0.1 176  S       20:50:41.95   0.2 M  1.0  GR01 
    MK04A 1Y    0.3 278  P       20:50:43.44   0.1 M  1.0  MK04A
    MK04A 1Y    0.3 278  S       20:50:47.91  -0.2 M  1.0  MK04A
    KNT   HT    0.4 234  P       20:50:44.40  -0.1 M  1.0  KNT  
    KNT   HT    0.4 234  S       20:50:49.26  -0.8 M  1.0  KNT  
    MMB   BS    0.4  64  P       20:50:45.27   0.2 M  1.0  MMB  
    MMB   BS    0.4  64  S       20:50:50.89  -0.2 M  1.0  MMB  
    NVR   HL    0.4  94  P       20:50:46.03   0.1 M  1.0  NVR  
    NVR   HL    0.4  94  S       20:50:52.39  -0.3 M  1.0  NVR  
    KKB   BS    0.5 346  P       20:50:46.80   0.2 M  1.0  KKB  
    KKB   BS    0.5 346  S       20:50:53.77  -0.1 M  1.0  KKB  
    SOH   HT    0.6 174  P       20:50:48.06  -0.0 M  1.0  SOH  
    SOH   HT    0.6 174  S       20:50:55.75  -0.7 M  1.0  SOH  
    KOKK  HT    0.8 136  P       20:50:52.00   0.1 M  1.0  KOKK 
    KOKK  HT    0.8 136  S       20:51:03.07  -0.1 M  1.0  KOKK 
    GR09  1Y    0.8 157  P       20:50:52.22   0.3 M  1.0  GR09 
    GR09  1Y    0.8 157  S       20:51:03.57   0.4 M  1.0  GR09 
    SEIS  HI    0.8 198  P       20:50:52.25   0.3 M  1.0  SEIS 
    SEIS  HI    0.8 198  S       20:51:03.06  -0.2 M  1.0  SEIS 
    THE   HT    0.8 198  P       20:50:52.26   0.3 M  1.0  THE  
    THE   HT    0.8 198  S       20:51:02.88  -0.4 M  1.0  THE  
    GRG   HT    0.8 238  P       20:50:52.12   0.0 M  1.0  GRG  
    GRG   HT    0.8 238  S       20:51:03.55   0.1 M  1.0  GRG  
    HORT  HT    0.8 190  P       20:50:52.48   0.3 M  1.0  HORT 
    HORT  HT    0.8 190  S       20:51:03.18  -0.5 M  1.0  HORT 
    ITS1  HI    0.8 195  P       20:50:52.63   0.4 M  1.0  ITS1 
    ITS1  HI    0.8 195  S       20:51:03.28  -0.5 M  1.0  ITS1 
    KLR1  HI    0.8 198  P       20:50:53.19   0.3 M  1.0  KLR1 
    KLR1  HI    0.8 198  S       20:51:05.01   0.2 M  1.0  KLR1 

15 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    GR01  1Y    0.1 176  MLv     2.42 -0.06    11.6854      
    MK04A 1Y    0.3 278  MLv     2.12 -0.36    1.55466      
    KNT   HT    0.4 234  MLv     2.97  0.49    7.46493      
    MMB   BS    0.4  64  MLv     2.20 -0.28     1.0312      
    NVR   HL    0.4  94  MLv     2.09 -0.39   0.441295      
    KKB   BS    0.5 346  MLv     2.58  0.10    1.39292      
    SOH   HT    0.6 174  MLv     2.74  0.26    1.33802      
    KOKK  HT    0.8 136  MLv     2.31 -0.17   0.377201      
    GR09  1Y    0.8 157  MLv     2.16 -0.32   0.269901      
    SEIS  HI    0.8 198  MLv     2.54  0.06   0.642233      
    THE   HT    0.8 198  MLv     2.78  0.30   0.736629      
    GRG   HT    0.8 238  MLv     2.24 -0.24   0.316939      
    HORT  HT    0.8 190  MLv     2.64  0.16   0.534692      
    ITS1  HI    0.8 195  MLv     2.96  0.48    1.65687      
    KLR1  HI    0.8 198  MLv     2.66  0.18   0.787107