Earthquake Information
 Origin Time
 2021-04-11 20:42:57 (GMT)
 Magnitude
 M 1.5
 Latitude
 41.4830° N
 Longitude
 23.4595° E
 Focal Depth
 6 km
 # of Arrivals
 16
 Location 44.8 km N of Serres
67.5 km WNW of Drama
389.9 km N of Athens
 Solution type
 manual
 Files / Links
 QuakeML  GSE2.0  Alert  .phi  
  

  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
MMBBS25.2 74 P20:43:03.04 0.21.0M
MMBBS25.2 74 S20:43:06.29 -0.31.0M
NVRHL37.0114 P20:43:04.95 0.11.0M
NVRHL37.0114 S20:43:09.49 -0.61.0M
SRSHT42.9165 P20:43:05.90 0.11.0M
SRSHT42.9165 S20:43:11.40 -0.41.0M
KKBBS48.4325 P20:43:07.02 0.31.0M
KKBBS48.4325 S20:43:13.07 -0.31.0M
SOHHT74.2187 P20:43:11.26 0.31.0M
SOHHT74.2187 S20:43:20.13 -0.71.0M
OURHT135.1161 P20:43:21.38 0.81.0M
OURHT135.1161 S20:43:38.06 0.31.0M
THASHT143.7133 P20:43:21.99 0.11.0M
THASHT143.7133 S20:43:40.69 0.61.0M
LMN1HI224.0143 P20:43:33.63 0.81.0M
LMN1HI224.0143 S20:43:59.84 0.51.0M


  Solution details 

Event:
    Public ID              nkua2021hchi
    Description
      region name: Greece Bulgaria Border Region
Origin:
    Date                   2021-04-11
    Time                  20:42:57.90
    Latitude              41.4830 deg  +/-      1 km
    Longitude             23.4595 deg  +/-      1 km
    Depth                       6 km   +/-    3 km
    Agency                 HA
    Author                 Analyst1
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.41 s
    Azimuthal gap             138 deg

2 Network magnitudes:
    MLv       1.50 +/- 0.12   6            
    M         1.50            6 preferred  

16 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    MMB   BS    0.2  74  P       20:43:03.04   0.2 M  1.0  MMB  
    MMB   BS    0.2  74  S       20:43:06.29  -0.3 M  1.0  MMB  
    NVR   HL    0.3 114  P       20:43:04.95   0.1 M  1.0  NVR  
    NVR   HL    0.3 114  S       20:43:09.49  -0.6 M  1.0  NVR  
    SRS   HT    0.4 165  P       20:43:05.90   0.1 M  1.0  SRS  
    SRS   HT    0.4 165  S       20:43:11.40  -0.4 M  1.0  SRS  
    KKB   BS    0.4 325  P       20:43:07.02   0.3 M  1.0  KKB  
    KKB   BS    0.4 325  S       20:43:13.07  -0.3 M  1.0  KKB  
    SOH   HT    0.7 187  P       20:43:11.26   0.3 M  1.0  SOH  
    SOH   HT    0.7 187  S       20:43:20.13  -0.7 M  1.0  SOH  
    OUR   HT    1.2 161  P       20:43:21.38   0.8 M  1.0  OUR  
    OUR   HT    1.2 161  S       20:43:38.06   0.3 M  1.0  OUR  
    THAS  HT    1.3 133  P       20:43:21.99   0.1 M  1.0  THAS 
    THAS  HT    1.3 133  S       20:43:40.69   0.6 M  1.0  THAS 
    LMN1  HI    2.0 143  P       20:43:33.63   0.8 M  1.0  LMN1 
    LMN1  HI    2.0 143  S       20:43:59.84   0.5 M  1.0  LMN1 

8 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    MMB   BS    0.2  74  MLv     1.28 -0.22   0.356067      
    NVR   HL    0.3 114  MLv     1.47 -0.03   0.207233      
    SRS   HT    0.4 165  MLv     1.56  0.06    0.17236      
    KKB   BS    0.4 325  MLv     1.31 -0.19   0.100454      
    SOH   HT    0.7 187  MLv     1.45 -0.05   0.0605404      
    OUR   HT    1.2 161  MLv     1.57  0.06   0.039129      
    THAS  HT    1.3 133  MLv     1.65  0.15   0.0429616      
    LMN1  HI    2.0 143  MLv     3.00  1.50   0.383043