Earthquake Information
 Origin Time
2020-07-24 20:41:25 (GMT)
 Magnitude
M 3.9
 Latitude
40.1697° N
 Longitude
24.9678° E
 Focal Depth
20 km
 # of Arrivals
82
 Location 37.0 km NW of Limnos
57.9 km SW of Samothraki
265.4 km NNE of Athens
 Solution type
manual
 Files / Links
QuakeML  GSE2.0  Alert  .phi  ShakeMap  Foc.Mech.
  

  Focal Mechanism

Foc.Mech. Strike (°) Dip (°) Rake (°) Seism.Mom. (dyn*cm)
31869-32 8.92E+21

Latitude (°N) Longitude (°E) Depth (km) Magnitude Mw
40.175724.971315.03.9

Source parameters determination

Click here for detailed focal mechanism solution


  Intensity map


PGA
PGV
MI

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


  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
LIAHL35.3149 P20:41:32.25 -0.31.0M
LIAHL35.3149 S20:41:37.19 -0.61.0M
SMTHHL58.3 55 P20:41:35.14 -0.91.0M
THASHT52.9336 P20:41:34.82 -0.41.0M
THASHT52.9336 S20:41:41.68 -0.71.0M
EFSAHL70.0179 P20:41:38.44 0.71.0M
EFSAHL70.0179 S20:41:47.28 0.31.0M
THS1HI71.4332 P20:41:37.90 -0.11.0M
THS1HI71.4332 S20:41:47.01 -0.31.0M
OURHT85.6282 P20:41:40.68 0.41.0M
OURHT85.6282 S20:41:51.71 0.41.0M
KAVAHT99.4337 P20:41:43.00 0.71.0M
KAVAHT99.4337 S20:41:55.32 0.41.0M
PAIGHT112.9257 P20:41:44.78 0.31.0M
PAIGHT112.9257 S20:41:58.93 0.21.0M
ALNHT122.0 49 P20:41:45.53 -0.11.0M
ALNHT122.0 49 S20:42:01.18 0.41.0M
PLN1HI120.0261 P20:41:45.95 0.41.0M
PLN1HI120.0261 S20:42:00.98 0.41.0M
RDOHL118.6 24 P20:41:45.30 0.11.0M
RDOHL118.6 24 S20:41:59.87 -0.21.0M
DRA2HI129.9328 P20:41:47.58 0.61.0M
DRA2HI129.9328 S20:42:03.72 0.51.0M
PLGHL131.2280 P20:41:47.53 0.21.0M
PLGHL131.2280 S20:42:04.18 0.51.0M
AOS2HT148.9220 P20:41:49.22 -0.41.0M
AOS2HT148.9220 S20:42:08.27 0.41.0M
SKYHL147.5194 P20:41:49.48 0.01.0M
PRKHL151.2133 P20:41:50.67 0.71.0M
SFL1HI159.9 45 P20:41:50.80 -0.21.0M
SFL1HI159.9 45 S20:42:10.33 0.01.0M
SOHHT154.3298 P20:41:50.51 0.01.0M
SOHHT154.3298 S20:42:09.32 0.01.0M
SRSHT156.6312 P20:41:50.50 -0.11.0M
SRSHT156.6312 S20:42:09.68 0.21.0M
HORTHT165.2287 P20:41:51.79 -0.11.0M
HORTHT165.2287 S20:42:11.55 -0.31.0M
MYT1HI182.6131 P20:41:54.72 0.71.0M
THEHT177.4287 P20:41:53.61 0.21.0M
THEHT177.4287 S20:42:14.10 -0.21.0M
KYMIHL186.4204 P20:41:54.05 -0.41.0M
KYMIHL186.4204 S20:42:15.94 -0.41.0M
LITHT210.8268 P20:41:57.16 -0.61.0M
LITHT210.8268 S20:42:21.46 -0.61.0M
CHOSHT219.1155 P20:41:59.01 0.31.0M
ATALHA234.3226 P20:41:59.93 -0.71.0M
ATALHA234.3226 S20:42:26.78 -0.41.0M
GRGHT233.6292 P20:42:00.80 0.11.0M
DIONHL249.1201 P20:42:02.06 -0.51.0M
DIONHL249.1201 S20:42:30.12 -0.41.0M
KARYHA242.1191 P20:42:00.82 -0.71.0M
TYRNHT238.7258 P20:42:01.43 0.21.0M
TYRNHT238.7258 S20:42:28.09 -0.11.0M
AGGHT259.1241 P20:42:03.26 -0.71.0M
AGGHT259.1241 S20:42:32.45 -0.51.0M
AXARHA252.2232 P20:42:02.68 -0.31.0M
PTLHL254.5202 P20:42:02.99 -0.21.0M
PTLHL254.5202 S20:42:31.07 -0.61.0M
STFNHA253.3209 P20:42:02.69 -0.41.0M
ATHHL267.0204 P20:42:04.26 -0.51.0M
ATHHL267.0204 S20:42:33.99 -0.41.0M
ATHUHA265.4203 P20:42:04.25 -0.31.0M
ATHUHA265.4203 S20:42:33.66 -0.51.0M
THLHL260.9255 P20:42:03.85 -0.21.0M
VILLHA264.8213 P20:42:03.83 -0.71.0M
VILLHA264.8213 S20:42:33.48 -0.61.0M
EVRHL304.5243 P20:42:09.61 -0.21.0M
EVRHL304.5243 S20:42:42.47 -0.81.0M
LOUTHA297.4215 P20:42:08.33 -0.41.0M
LTKHP294.6216 P20:42:08.26 -0.11.0M
ANXHP315.1236 P20:42:10.89 -0.31.0M
ANXHP315.1236 S20:42:45.23 -0.51.0M
KALEHA313.6231 P20:42:10.73 -0.21.0M
PANRCL307.6230 P20:42:09.36 -0.71.0M
PANRCL307.6230 S20:42:43.15 -0.61.0M
THALHA309.6220 P20:42:09.86 -0.41.0M
THALHA309.6220 S20:42:43.67 -0.51.0M
MG00CL325.1233 P20:42:12.08 -0.21.0M
PYRGCL320.6233 P20:42:11.29 -0.51.0M
PYRGCL320.6233 S20:42:46.65 -0.11.0M
PRMDHP338.0258 P20:42:13.69 -0.41.0M
TETRHL328.7254 P20:42:12.51 -0.41.0M


  Solution details

Event:
    Public ID              nkua2020omdc
    Type                   earthquake
    Description
      region name: Aegean Sea
Origin:
    Date                   2020-07-24
    Time                  20:41:25.71
    Latitude              40.1697 deg  +/-      0 km
    Longitude             24.9678 deg  +/-      0 km
    Depth                      20 km   +/-    1 km
    Agency                 HA
    Author                 A.Karakonstantis
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.44 s
    Azimuthal gap              76 deg

2 Network magnitudes:
    MLv       3.93 +/- 0.20  35            
    M         3.93           35 preferred  

82 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    LIA   HL    0.3 149  P       20:41:32.25  -0.3 M  1.0  LIA  
    LIA   HL    0.3 149  S       20:41:37.19  -0.6 M  1.0  LIA  
    THAS  HT    0.5 336  P       20:41:34.82  -0.4 M  1.0  THAS 
    THAS  HT    0.5 336  S       20:41:41.68  -0.7 M  1.0  THAS 
    SMTH  HL    0.5  55  P       20:41:35.14  -0.9 M  1.0  SMTH 
    EFSA  HL    0.6 179  P       20:41:38.44   0.7 M  1.0  EFSA 
    EFSA  HL    0.6 179  S       20:41:47.28   0.3 M  1.0  EFSA 
    THS1  HI    0.6 332  P       20:41:37.90  -0.1 M  1.0  THS1 
    THS1  HI    0.6 332  S       20:41:47.01  -0.3 M  1.0  THS1 
    OUR   HT    0.8 282  P       20:41:40.68   0.4 M  1.0  OUR  
    OUR   HT    0.8 282  S       20:41:51.71   0.4 M  1.0  OUR  
    KAVA  HT    0.9 337  P       20:41:43.00   0.7 M  1.0  KAVA 
    KAVA  HT    0.9 337  S       20:41:55.32   0.4 M  1.0  KAVA 
    PAIG  HT    1.0 257  P       20:41:44.78   0.3 M  1.0  PAIG 
    PAIG  HT    1.0 257  S       20:41:58.93   0.2 M  1.0  PAIG 
    RDO   HL    1.1  24  P       20:41:45.30   0.1 M  1.0  RDO  
    RDO   HL    1.1  24  S       20:41:59.87  -0.2 M  1.0  RDO  
    PLN1  HI    1.1 261  P       20:41:45.95   0.4 M  1.0  PLN1 
    PLN1  HI    1.1 261  S       20:42:00.98   0.4 M  1.0  PLN1 
    ALN   HT    1.1  49  P       20:41:45.53  -0.1 M  1.0  ALN  
    ALN   HT    1.1  49  S       20:42:01.18   0.4 M  1.0  ALN  
    DRA2  HI    1.2 328  P       20:41:47.58   0.6 M  1.0  DRA2 
    DRA2  HI    1.2 328  S       20:42:03.72   0.5 M  1.0  DRA2 
    PLG   HL    1.2 280  P       20:41:47.53   0.2 M  1.0  PLG  
    PLG   HL    1.2 280  S       20:42:04.18   0.5 M  1.0  PLG  
    SKY   HL    1.3 194  P       20:41:49.48   0.0 M  1.0  SKY  
    AOS2  HT    1.3 220  P       20:41:49.22  -0.4 M  1.0  AOS2 
    AOS2  HT    1.3 220  S       20:42:08.27   0.4 M  1.0  AOS2 
    PRK   HL    1.4 133  P       20:41:50.67   0.7 M  1.0  PRK  
    SOH   HT    1.4 298  P       20:41:50.51   0.0 M  1.0  SOH  
    SOH   HT    1.4 298  S       20:42:09.32   0.0 M  1.0  SOH  
    SRS   HT    1.4 312  P       20:41:50.50  -0.1 M  1.0  SRS  
    SRS   HT    1.4 312  S       20:42:09.68   0.2 M  1.0  SRS  
    SFL1  HI    1.4  45  P       20:41:50.80  -0.2 M  1.0  SFL1 
    SFL1  HI    1.4  45  S       20:42:10.33   0.0 M  1.0  SFL1 
    HORT  HT    1.5 287  P       20:41:51.79  -0.1 M  1.0  HORT 
    HORT  HT    1.5 287  S       20:42:11.55  -0.3 M  1.0  HORT 
    THE   HT    1.6 287  P       20:41:53.61   0.2 M  1.0  THE  
    THE   HT    1.6 287  S       20:42:14.10  -0.2 M  1.0  THE  
    MYT1  HI    1.6 131  P       20:41:54.72   0.7 M  1.0  MYT1 
    KYMI  HL    1.7 204  P       20:41:54.05  -0.4 M  1.0  KYMI 
    KYMI  HL    1.7 204  S       20:42:15.94  -0.4 M  1.0  KYMI 
    LIT   HT    1.9 268  P       20:41:57.16  -0.6 M  1.0  LIT  
    LIT   HT    1.9 268  S       20:42:21.46  -0.6 M  1.0  LIT  
    CHOS  HT    2.0 155  P       20:41:59.01   0.3 M  1.0  CHOS 
    GRG   HT    2.1 292  P       20:42:00.80   0.1 M  1.0  GRG  
    ATAL  HA    2.1 226  P       20:41:59.93  -0.7 M  1.0  ATAL 
    ATAL  HA    2.1 226  S       20:42:26.78  -0.4 M  1.0  ATAL 
    TYRN  HT    2.2 258  P       20:42:01.43   0.2 M  1.0  TYRN 
    TYRN  HT    2.2 258  S       20:42:28.09  -0.1 M  1.0  TYRN 
    KARY  HA    2.2 191  P       20:42:00.82  -0.7 M  1.0  KARY 
    DION  HL    2.2 201  P       20:42:02.06  -0.5 M  1.0  DION 
    DION  HL    2.2 201  S       20:42:30.12  -0.4 M  1.0  DION 
    AXAR  HA    2.3 232  P       20:42:02.68  -0.3 M  1.0  AXAR 
    STFN  HA    2.3 209  P       20:42:02.69  -0.4 M  1.0  STFN 
    PTL   HL    2.3 202  P       20:42:02.99  -0.2 M  1.0  PTL  
    PTL   HL    2.3 202  S       20:42:31.07  -0.6 M  1.0  PTL  
    AGG   HT    2.3 241  P       20:42:03.26  -0.7 M  1.0  AGG  
    AGG   HT    2.3 241  S       20:42:32.45  -0.5 M  1.0  AGG  
    THL   HL    2.4 255  P       20:42:03.85  -0.2 M  1.0  THL  
    VILL  HA    2.4 213  P       20:42:03.83  -0.7 M  1.0  VILL 
    VILL  HA    2.4 213  S       20:42:33.48  -0.6 M  1.0  VILL 
    ATHU  HA    2.4 203  P       20:42:04.25  -0.3 M  1.0  ATHU 
    ATHU  HA    2.4 203  S       20:42:33.66  -0.5 M  1.0  ATHU 
    ATH   HL    2.4 204  P       20:42:04.26  -0.5 M  1.0  ATH  
    ATH   HL    2.4 204  S       20:42:33.99  -0.4 M  1.0  ATH  
    LTK   HP    2.7 216  P       20:42:08.26  -0.1 M  1.0  LTK  
    LOUT  HA    2.7 215  P       20:42:08.33  -0.4 M  1.0  LOUT 
    EVR   HL    2.7 243  P       20:42:09.61  -0.2 M  1.0  EVR  
    EVR   HL    2.7 243  S       20:42:42.47  -0.8 M  1.0  EVR  
    PANR  CL    2.8 230  P       20:42:09.36  -0.7 M  1.0  PANR 
    PANR  CL    2.8 230  S       20:42:43.15  -0.6 M  1.0  PANR 
    THAL  HA    2.8 220  P       20:42:09.86  -0.4 M  1.0  THAL 
    THAL  HA    2.8 220  S       20:42:43.67  -0.5 M  1.0  THAL 
    KALE  HA    2.8 231  P       20:42:10.73  -0.2 M  1.0  KALE 
    ANX   HP    2.8 236  P       20:42:10.89  -0.3 M  1.0  ANX  
    ANX   HP    2.8 236  S       20:42:45.23  -0.5 M  1.0  ANX  
    PYRG  CL    2.9 233  P       20:42:11.29  -0.5 M  1.0  PYRG 
    PYRG  CL    2.9 233  S       20:42:46.65  -0.1 M  1.0  PYRG 
    MG00  CL    2.9 233  P       20:42:12.08  -0.2 M  1.0  MG00 
    TETR  HL    3.0 254  P       20:42:12.51  -0.4 M  1.0  TETR 
    PRMD  HP    3.0 258  P       20:42:13.69  -0.4 M  1.0  PRMD 

49 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    LIA   HL    0.3 149  MLv     3.52 -0.41    69.5901      
    THAS  HT    0.5 336  MLv     4.57  0.64    141.139      
    SMTH  HL    0.5  55  MLv     3.92 -0.02    14.8182      
    EFSA  HL    0.6 179  MLv     4.00  0.07    22.4892      
    THS1  HI    0.6 332  MLv     4.69  0.75     107.51      
    OUR   HT    0.8 282  MLv     4.24  0.30    32.3014      
    KAVA  HT    0.9 337  MLv     4.31  0.37    67.6981      
    PAIG  HT    1.0 257  MLv     3.36 -0.57    2.44396      
    RDO   HL    1.1  24  MLv     4.12  0.19    11.4226      
    PLN1  HI    1.1 261  MLv     4.06  0.13     14.503      
    ALN   HT    1.1  49  MLv     4.21  0.27    15.5848      
    DRA2  HI    1.2 328  MLv     4.54  0.60    38.6189      
    PLG   HL    1.2 280  MLv     4.14  0.21    15.3736      
    SKY   HL    1.3 194  MLv     3.67 -0.26    7.18354      
    AOS2  HT    1.3 220  MLv     3.95  0.02    8.10104      
    PRK   HL    1.4 133  MLv     4.44  0.51    24.2314      
    SOH   HT    1.4 298  MLv     4.20  0.27    13.4159      
    SRS   HT    1.4 312  MLv     4.42  0.48    15.4004      
    SFL1  HI    1.4  45  MLv     4.77  0.84    47.1478      
    HORT  HT    1.5 287  MLv     3.91 -0.03     4.0922      
    THE   HT    1.6 287  MLv     3.83 -0.11     2.9028      
    MYT1  HI    1.6 131  MLv     4.26  0.32    11.0632      
    KYMI  HL    1.7 204  MLv     3.72 -0.21    3.11352      
    LIT   HT    1.9 268  MLv     3.55 -0.39     1.1326      
    CHOS  HT    2.0 155  MLv     4.11  0.18    5.24666      
    GRG   HT    2.1 292  MLv     4.44  0.51    9.46289      
    ATAL  HA    2.1 226  MLv     3.56 -0.37    1.22859      
    TYRN  HT    2.2 258  MLv     3.84 -0.09    1.73572      
    KARY  HA    2.2 191  MLv     3.72 -0.21    1.63832      
    DION  HL    2.2 201  MLv     3.47 -0.47    2.35529      
    AXAR  HA    2.3 232  MLv     3.33 -0.60    2.36501      
    STFN  HA    2.3 209  MLv     3.85 -0.09    1.90669      
    PTL   HL    2.3 202  MLv     3.92 -0.01    2.25516      
    AGG   HT    2.3 241  MLv     3.78 -0.15    1.19135      
    THL   HL    2.4 255  MLv     3.99  0.05    1.45501      
    VILL  HA    2.4 213  MLv     4.07  0.14    2.82389      
    ATHU  HA    2.4 203  MLv     3.98  0.05    1.40651      
    ATH   HL    2.4 204  MLv     3.97  0.04    2.18923      
    LTK   HP    2.7 216  MLv     3.48 -0.45    1.95808      
    LOUT  HA    2.7 215  MLv     4.08  0.14    1.96142      
    EVR   HL    2.7 243  MLv     3.75 -0.18   0.852194      
    PANR  CL    2.8 230  MLv     5.19  1.25   0.436194      
    THAL  HA    2.8 220  MLv     3.87 -0.06    1.89652      
    KALE  HA    2.8 231  MLv     3.71 -0.22   0.700485      
    ANX   HP    2.8 236  MLv     3.75 -0.18   0.751811      
    PYRG  CL    2.9 233  MLv     3.71 -0.22   0.406503      
    MG00  CL    2.9 233  MLv     3.50 -0.43   0.488565      
    TETR  HL    3.0 254  MLv     3.93 -0.00   0.973851      
    PRMD  HP    3.0 258  MLv     3.99  0.06    1.00377