Earthquake Information
 Origin Time
 2024-07-23 21:39:45 (GMT)
 Magnitude
 M 3.7
 Latitude
 41.3215° N
 Longitude
 23.8512° E
 Focal Depth
 12 km
 # of Arrivals
 67
 Location 30.4 km NW of Drama
36.4 km NE of Serres
371.3 km N of Athens
 Solution type
 manual
 Files / Links
 QuakeML  GSE2.0  Alert  .phi  ShakeMap  Foc.Mech.
  

  Focal Mechanism (automatic solution)

Foc.Mech. Strike (°) Dip (°) Rake (°) Seism.Mom. (dyn*cm)
25852-110 3.38E+21

Latitude (°N) Longitude (°E) Depth (km) Magnitude Mw
41.309023.85619.03.6

Source parameters determination

Click here for detailed focal mechanism automatic solution


  Intensity map


PGA
 PGV
 MI

Download files: Google Earth (.kmz), Measurements (.csv)


  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
NVRHL3.2 21 P21:39:47.69 0.11.0M
NVRHL3.2 21 S21:39:49.20 -0.21.0M
MMBBS26.5341 P21:39:50.66 0.21.0M
MMBBS26.5341 S21:39:54.18 -0.21.0M
GR021Y31.4125 P21:39:51.03 -0.11.0M
GR021Y31.4125 S21:39:55.17 -0.61.0M
GR011Y47.0265 P21:39:53.55 -0.11.0M
GR011Y47.0265 S21:39:59.80 -0.31.0M
KOKKHT57.4167 P21:39:55.04 -0.21.0M
KOKKHT57.4167 S21:40:02.51 -0.41.0M
PRASHL58.5 87 P21:39:55.62 0.11.0M
PRASHL58.5 87 S21:40:02.99 -0.41.0M
KVLAHL61.9134 P21:39:56.03 0.11.0M
KVLAHL61.9134 S21:40:03.42 -0.81.0M
GR091Y74.8191 P21:39:58.10 0.11.0M
GR091Y74.8191 S21:40:08.02 0.31.0M
MK04A1Y81.1278 P21:39:59.26 0.21.0M
MK04A1Y81.1278 S21:40:09.92 0.31.0M
KKBBS83.4314 P21:39:59.91 0.51.0M
KKBBS83.4314 S21:40:10.13 -0.11.0M
GR031Y88.3102 P21:39:59.96 -0.31.0M
GR031Y88.3102 S21:40:11.72 0.11.0M
GR041Y100.6112 P21:40:02.50 0.41.0M
GR041Y100.6112 S21:40:15.02 0.01.0M
HORTHT102.3218 P21:40:03.65 1.21.0M
HORTHT102.3218 S21:40:15.93 0.31.0M
THEHT107.0224 P21:40:03.14 0.01.0M
THEHT107.0224 S21:40:16.48 -0.31.0M
THASHT107.9137 P21:40:03.37 0.11.0M
THASHT107.9137 S21:40:17.38 0.41.0M
OURHT110.4174 P21:40:04.14 0.51.0M
OURHT110.4174 S21:40:18.13 0.51.0M
PLGHL111.1198 P21:40:03.96 0.21.0M
PLGHL111.1198 S21:40:18.25 0.41.0M
GR131Y121.5208 P21:40:05.47 0.11.0M
GR131Y121.5208 S21:40:21.20 0.51.0M
GRGHT127.9252 P21:40:06.88 0.41.0M
GRGHT127.9252 S21:40:22.98 0.41.0M
KDZBS128.7 75 P21:40:07.21 0.71.0M
KDZBS128.7 75 S21:40:23.08 0.31.0M
GR121Y145.1229 P21:40:09.86 0.91.0M
GR121Y145.1229 S21:40:27.60 0.51.0M
PAIGHT154.7185 P21:40:09.85 -0.61.0M
PAIGHT154.7185 S21:40:29.69 0.11.0M
GR051Y154.9109 P21:40:10.29 -0.21.0M
GR051Y154.9109 S21:40:29.94 0.21.0M
MK03A1Y156.2265 P21:40:10.94 0.11.0M
MK03A1Y156.2265 S21:40:30.34 0.01.0M
GR071Y164.7249 P21:40:12.04 0.11.0M
GR071Y164.7249 S21:40:32.16 -0.11.0M
GR111Y165.4238 P21:40:11.63 -0.31.0M
GR111Y165.4238 S21:40:32.23 -0.11.0M
LITHT177.8220 P21:40:13.25 -0.31.0M
LITHT177.8220 S21:40:34.84 -0.31.0M
GR061Y202.1 89 P21:40:16.78 0.11.0M
GR181Y203.4210 P21:40:16.78 -0.11.0M
GR181Y203.4210 S21:40:40.06 -1.01.0M
NESNHT209.1212 P21:40:17.88 0.41.0M
NESNHT209.1212 S21:40:41.76 -0.31.0M
GR101Y211.3244 P21:40:17.84 -0.11.0M
GR101Y211.3244 S21:40:42.44 -0.51.0M
GR161Y215.1229 P21:40:18.31 -0.21.0M
GR161Y215.1229 S21:40:43.19 -0.61.0M
FLNAHT215.2254 P21:40:17.39 -1.11.0M
FLNAHT215.2254 S21:40:43.42 -0.31.0M
TYRNHT225.4217 P21:40:19.25 -0.41.0M
TYRNHT225.4217 S21:40:45.24 -0.51.0M


  Solution details 

Event:
    Public ID              nkua2024okjn
    Type                   earthquake
    Description
      region name: Greece Bulgaria Border Region
Origin:
    Date                   2024-07-23
    Time                  21:39:45.17
    Latitude              41.3215 deg  +/-      0 km
    Longitude             23.8512 deg  +/-      0 km
    Depth                      12 km   +/-    0 km
    Agency                 HA
    Author                 A. Karakonstantis
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.32 s
    Azimuthal gap              53 deg

2 Network magnitudes:
    MLv       3.72 +/- 0.17  24            
    M         3.72           24 preferred  

67 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    NVR   HL    0.0  21  P       21:39:47.69   0.1 M  1.0  NVR  
    NVR   HL    0.0  21  S       21:39:49.20  -0.2 M  1.0  NVR  
    MMB   BS    0.2 341  P       21:39:50.66   0.2 M  1.0  MMB  
    MMB   BS    0.2 341  S       21:39:54.18  -0.2 M  1.0  MMB  
    GR02  1Y    0.3 125  P       21:39:51.03  -0.1 M  1.0  GR02 
    GR02  1Y    0.3 125  S       21:39:55.17  -0.6 M  1.0  GR02 
    GR01  1Y    0.4 265  P       21:39:53.55  -0.1 M  1.0  GR01 
    GR01  1Y    0.4 265  S       21:39:59.80  -0.3 M  1.0  GR01 
    KOKK  HT    0.5 167  P       21:39:55.04  -0.2 M  1.0  KOKK 
    KOKK  HT    0.5 167  S       21:40:02.51  -0.4 M  1.0  KOKK 
    PRAS  HL    0.5  87  P       21:39:55.62   0.1 M  1.0  PRAS 
    PRAS  HL    0.5  87  S       21:40:02.99  -0.4 M  1.0  PRAS 
    KVLA  HL    0.6 134  P       21:39:56.03   0.1 M  1.0  KVLA 
    KVLA  HL    0.6 134  S       21:40:03.42  -0.8 M  1.0  KVLA 
    GR09  1Y    0.7 191  P       21:39:58.10   0.1 M  1.0  GR09 
    GR09  1Y    0.7 191  S       21:40:08.02   0.3 M  1.0  GR09 
    MK04A 1Y    0.7 278  P       21:39:59.26   0.2 M  1.0  MK04A
    MK04A 1Y    0.7 278  S       21:40:09.92   0.3 M  1.0  MK04A
    KKB   BS    0.8 314  P       21:39:59.91   0.5 M  1.0  KKB  
    KKB   BS    0.8 314  S       21:40:10.13  -0.1 M  1.0  KKB  
    GR03  1Y    0.8 102  P       21:39:59.96  -0.3 M  1.0  GR03 
    GR03  1Y    0.8 102  S       21:40:11.72   0.1 M  1.0  GR03 
    GR04  1Y    0.9 112  P       21:40:02.50   0.4 M  1.0  GR04 
    GR04  1Y    0.9 112  S       21:40:15.02  -0.0 M  1.0  GR04 
    HORT  HT    0.9 218  P       21:40:03.65   1.2 M  1.0  HORT 
    HORT  HT    0.9 218  S       21:40:15.93   0.3 M  1.0  HORT 
    THE   HT    1.0 224  P       21:40:03.14   0.0 M  1.0  THE  
    THE   HT    1.0 224  S       21:40:16.48  -0.3 M  1.0  THE  
    THAS  HT    1.0 137  P       21:40:03.37   0.1 M  1.0  THAS 
    THAS  HT    1.0 137  S       21:40:17.38   0.4 M  1.0  THAS 
    OUR   HT    1.0 174  P       21:40:04.14   0.5 M  1.0  OUR  
    OUR   HT    1.0 174  S       21:40:18.13   0.5 M  1.0  OUR  
    PLG   HL    1.0 198  P       21:40:03.96   0.2 M  1.0  PLG  
    PLG   HL    1.0 198  S       21:40:18.25   0.4 M  1.0  PLG  
    GR13  1Y    1.1 208  P       21:40:05.47   0.1 M  1.0  GR13 
    GR13  1Y    1.1 208  S       21:40:21.20   0.5 M  1.0  GR13 
    GRG   HT    1.2 252  P       21:40:06.88   0.4 M  1.0  GRG  
    GRG   HT    1.2 252  S       21:40:22.98   0.4 M  1.0  GRG  
    KDZ   BS    1.2  75  P       21:40:07.21   0.7 M  1.0  KDZ  
    KDZ   BS    1.2  75  S       21:40:23.08   0.3 M  1.0  KDZ  
    GR12  1Y    1.3 229  P       21:40:09.86   0.9 M  1.0  GR12 
    GR12  1Y    1.3 229  S       21:40:27.60   0.5 M  1.0  GR12 
    PAIG  HT    1.4 185  P       21:40:09.85  -0.6 M  1.0  PAIG 
    PAIG  HT    1.4 185  S       21:40:29.69   0.1 M  1.0  PAIG 
    GR05  1Y    1.4 109  P       21:40:10.29  -0.2 M  1.0  GR05 
    GR05  1Y    1.4 109  S       21:40:29.94   0.2 M  1.0  GR05 
    MK03A 1Y    1.4 265  P       21:40:10.94   0.1 M  1.0  MK03A
    MK03A 1Y    1.4 265  S       21:40:30.34   0.0 M  1.0  MK03A
    GR07  1Y    1.5 249  P       21:40:12.04   0.1 M  1.0  GR07 
    GR07  1Y    1.5 249  S       21:40:32.16  -0.1 M  1.0  GR07 
    GR11  1Y    1.5 238  P       21:40:11.63  -0.3 M  1.0  GR11 
    GR11  1Y    1.5 238  S       21:40:32.23  -0.1 M  1.0  GR11 
    LIT   HT    1.6 220  P       21:40:13.25  -0.3 M  1.0  LIT  
    LIT   HT    1.6 220  S       21:40:34.84  -0.3 M  1.0  LIT  
    GR06  1Y    1.8  89  P       21:40:16.78   0.1 M  1.0  GR06 
    GR18  1Y    1.8 210  P       21:40:16.78  -0.1 M  1.0  GR18 
    GR18  1Y    1.8 210  S       21:40:40.06  -1.0 M  1.0  GR18 
    NESN  HT    1.9 212  P       21:40:17.88   0.4 M  1.0  NESN 
    NESN  HT    1.9 212  S       21:40:41.76  -0.3 M  1.0  NESN 
    GR10  1Y    1.9 244  P       21:40:17.84  -0.1 M  1.0  GR10 
    GR10  1Y    1.9 244  S       21:40:42.44  -0.5 M  1.0  GR10 
    GR16  1Y    1.9 229  P       21:40:18.31  -0.2 M  1.0  GR16 
    GR16  1Y    1.9 229  S       21:40:43.19  -0.6 M  1.0  GR16 
    FLNA  HT    1.9 254  P       21:40:17.39  -1.1 M  1.0  FLNA 
    FLNA  HT    1.9 254  S       21:40:43.42  -0.3 M  1.0  FLNA 
    TYRN  HT    2.0 217  P       21:40:19.25  -0.4 M  1.0  TYRN 
    TYRN  HT    2.0 217  S       21:40:45.24  -0.5 M  1.0  TYRN 

34 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    NVR   HL    0.0  21  MLv     3.54 -0.18    169.908      
    MMB   BS    0.2 341  MLv     3.62 -0.10      72.29      
    GR02  1Y    0.3 125  MLv     3.69 -0.03    64.4326      
    GR01  1Y    0.4 265  MLv     3.42 -0.30    13.9554      
    KOKK  HT    0.5 167  MLv     3.68 -0.04    14.0502      
    PRAS  HL    0.5  87  MLv     3.89  0.17    21.2527      
    KVLA  HL    0.6 134  MLv     3.99  0.27    24.1677      
    GR09  1Y    0.7 191  MLv     3.85  0.13    14.8893      
    MK04A 1Y    0.7 278  MLv     3.92  0.20    16.4735      
    KKB   BS    0.8 314  MLv     4.03  0.31    20.6785      
    GR03  1Y    0.8 102  MLv     3.69 -0.03    8.90563      
    GR04  1Y    0.9 112  MLv     3.55 -0.17    5.58429      
    HORT  HT    0.9 218  MLv     4.09  0.37    12.9655      
    THE   HT    1.0 224  MLv     4.06  0.34    11.1009      
    THAS  HT    1.0 137  MLv     3.76  0.04    8.27173      
    OUR   HT    1.0 174  MLv     4.15  0.43    19.9928      
    PLG   HL    1.0 198  MLv     3.97  0.25    12.9618      
    GR13  1Y    1.1 208  MLv     3.87  0.15    9.17567      
    GRG   HT    1.2 252  MLv     3.93  0.21    9.75852      
    KDZ   BS    1.2  75  MLv     3.68 -0.04    5.42676      
    GR12  1Y    1.3 229  MLv     3.97  0.25    8.79097      
    PAIG  HT    1.4 185  MLv     3.95  0.23    5.85102      
    GR05  1Y    1.4 109  MLv     3.77  0.05    4.92557      
    MK03A 1Y    1.4 265  MLv     3.63 -0.09    3.52229      
    GR07  1Y    1.5 249  MLv     3.55 -0.17    2.68051      
    GR11  1Y    1.5 238  MLv     3.28 -0.44    1.43458      
    LIT   HT    1.6 220  MLv     3.20 -0.52   0.749817      
    GR06  1Y    1.8  89  MLv     3.80  0.08    3.08282      
    GR18  1Y    1.8 210  MLv     3.42 -0.30    1.26766      
    NESN  HT    1.9 212  MLv     3.99  0.26    4.37651      
    GR10  1Y    1.9 244  MLv     3.08 -0.64    0.53299      
    GR16  1Y    1.9 229  MLv     3.63 -0.09    1.81822      
    FLNA  HT    1.9 254  MLv     3.10 -0.62    0.53544      
    TYRN  HT    2.0 217  MLv     3.54 -0.18    1.00392