Earthquake Information
 Origin Time
2026-04-20 00:09:38 (GMT)
 Magnitude
M 1.3
 Latitude
41.2111° N
 Longitude
23.2580° E
 Focal Depth
2 km
 # of Arrivals
15
 Location 28.1 km WNW of Serres
40.6 km NE of Kilkis
361.2 km N of Athens
 Solution type
automatic
 Files / Links
QuakeML  GSE2.0  Alert  .phi  
  

  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
GR011Y8.7 18 P00:09:39.90 -0.11.0A
SRSHT29.6112 P00:09:42.52 -1.11.0A
SOHHT44.2169 P00:09:45.23 -0.71.0A
NVRHL53.0 73 P00:09:46.49 -1.01.0A
MMBBS55.5 48 P00:09:47.73 -0.11.0A
HORTHT69.5191 P00:09:49.94 -0.31.0A
KKBBS70.9351 P00:09:50.35 -0.11.0A
GR091Y71.1149 P00:09:52.88 2.41.0A
GR021Y75.7 94 P00:09:53.00 1.71.0A
KOKKHT76.0125 P00:09:50.51 -0.81.0A
GRGHT77.1249 P00:09:52.00 0.51.0A
PLGHL94.7170 P00:09:53.45 -1.01.0A
PRASHL109.1 81 P00:09:57.58 0.61.0A
OURHT115.0148 P00:09:58.01 0.21.0A
THASHT140.0118 P00:10:01.18 -0.31.0A


  Solution details

Event:
    Public ID              nkua2026hred
    Description
      region name: Greece Bulgaria Border Region
Origin:
    Date                   2026-04-20
    Time                  00:09:38.07  +/-    0.4 s
    Latitude              41.2111 deg  +/-      2 km
    Longitude             23.2580 deg  +/-      3 km
    Depth                       2 km
    Agency                 HA
    Mode                   automatic
    Status                 NOT SET
    Residual RMS             0.96 s
    Azimuthal gap             103 deg

2 Network magnitudes:
    MLv       1.29 +/- 0.14  11            
    M         1.29           11 preferred  

15 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    GR01  1Y    0.1  18  P       00:09:39.90  -0.1 A  1.0  GR01 
    SRS   HT    0.3 112  P       00:09:42.52  -1.1 A  1.0  SRS  
    SOH   HT    0.4 169  P       00:09:45.23  -0.7 A  1.0  SOH  
    NVR   HL    0.5  73  P       00:09:46.49  -1.0 A  1.0  NVR  
    MMB   BS    0.5  48  P       00:09:47.73  -0.1 A  1.0  MMB  
    HORT  HT    0.6 191  P       00:09:49.94  -0.3 A  1.0  HORT 
    KKB   BS    0.6 351  P       00:09:50.35  -0.1 A  1.0  KKB  
    GR09  1Y    0.6 149  P       00:09:52.88   2.4 A  1.0  GR09 
    GR02  1Y    0.7  94  P       00:09:53.00   1.7 A  1.0  GR02 
    KOKK  HT    0.7 125  P       00:09:50.51  -0.8 A  1.0  KOKK 
    GRG   HT    0.7 249  P       00:09:52.00   0.5 A  1.0  GRG  
    PLG   HL    0.8 170  P       00:09:53.45  -1.0 A  1.0  PLG  
    PRAS  HL    1.0  81  P       00:09:57.58   0.6 A  1.0  PRAS 
    OUR   HT    1.0 148  P       00:09:58.01   0.2 A  1.0  OUR  
    THAS  HT    1.3 118  P       00:10:01.18  -0.3 A  1.0  THAS 

13 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    GR01  1Y    0.1  18  MLv     1.14 -0.16   0.662021      
    SRS   HT    0.3 112  MLv     1.07 -0.22    0.11495      
    SOH   HT    0.4 169  MLv     1.26 -0.04   0.113082      
    NVR   HL    0.5  73  MLv     1.36  0.07   0.063794      
    MMB   BS    0.5  48  MLv     1.19 -0.11   0.0503469      
    HORT  HT    0.6 191  MLv     1.49  0.20   0.0472483      
    KKB   BS    0.6 351  MLv     1.30  0.01   0.044079      
    GR09  1Y    0.6 149  MLv     1.52  0.23   0.0738395      
    GR02  1Y    0.7  94  MLv     1.15 -0.14   0.0298024      
    KOKK  HT    0.7 125  MLv     1.66  0.37   0.0963574      
    GRG   HT    0.7 249  MLv     1.25 -0.04   0.0368092      
    PLG   HL    0.8 170  MLv     1.13 -0.17   0.0226544      
    OUR   HT    1.0 148  MLv     1.48  0.19   0.0401465