Earthquake Information
 Origin Time
 2021-12-04 13:01:10 (GMT)
 Magnitude
 M 3.8
 Latitude
 38.4812° N
 Longitude
 25.9038° E
 Focal Depth
 14 km
 # of Arrivals
 86
 Location 23.8 km WNW of Chios
81.9 km SSW of Mitilini
197.5 km ENE 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)
8654-149 5.55E+21

Latitude (°N) Longitude (°E) Depth (km) Magnitude Mw
38.493925.971615.03.8

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
CHOSHT16.5129 P13:01:13.98 -0.21.0M
CHOSHT16.5129 S13:01:16.38 -0.81.0M
SIGRHT81.3357 P13:01:24.44 0.41.0M
SIGRHT81.3357 S13:01:34.99 0.41.0M
MYT1HI88.5 41 P13:01:24.87 -0.31.0M
MYT1HI88.5 41 S13:01:36.57 0.01.0M
PRKHL90.6 20 P13:01:25.24 -0.21.0M
PRKHL90.6 20 S13:01:37.17 0.11.0M
KRL1HI103.7137 P13:01:27.80 0.31.0M
KRL1HI103.7137 S13:01:41.16 0.51.0M
SMGHL118.9136 P13:01:30.35 0.51.0M
SMGHL118.9136 S13:01:45.32 0.51.0M
THNOHC120.1220 P13:01:30.58 0.51.0M
TNSAHL123.2212 P13:01:31.12 0.61.0M
KARYHA137.5249 P13:01:33.36 0.61.0M
KARYHA137.5249 S13:01:50.58 0.71.0M
EFSAHL141.8326 P13:01:33.93 0.61.0M
APEHL160.2192 P13:01:35.85 -0.21.0M
APEHL160.2192 S13:01:55.86 0.11.0M
LIAHL169.3338 P13:01:37.12 -0.11.0M
LIAHL169.3338 S13:01:57.26 -0.51.0M
MRTHHA175.9257 P13:01:38.39 0.31.0M
MRTHHA175.9257 S13:01:59.44 0.11.0M
DIONHL177.8255 P13:01:38.63 0.21.0M
PTLHL184.5255 P13:01:39.47 0.21.0M
SERIHA192.5220 P13:01:39.72 -0.51.0M
SERIHA192.5220 S13:02:03.19 0.11.0M
AOS2HT193.3292 P13:01:40.56 0.21.0M
AOS2HT193.3292 S13:02:03.09 -0.21.0M
VLYHL197.2249 P13:01:41.35 0.51.0M
VLYHL197.2249 S13:02:03.89 -0.31.0M
MRKAHA202.9277 P13:01:41.91 0.31.0M
MRKAHA202.9277 S13:02:05.23 -0.31.0M
MDRAHA217.9258 P13:01:43.84 0.31.0M
SMTHHL223.6352 P13:01:43.23 -0.91.0M
THIVHA225.1265 P13:01:45.05 0.61.0M
THIVHA225.1265 S13:02:10.31 -0.21.0M
VILLHA228.8261 P13:01:45.28 0.31.0M
SAP3HL232.7192 P13:01:44.77 -0.61.0M
THI2HL234.9267 P13:01:45.86 0.11.0M
SNT5HA235.3191 P13:01:46.14 0.51.0M
SNT5HA235.3191 S13:02:12.36 -0.21.0M
THERAHL238.1189 P13:01:45.17 -0.81.0M
MHLOHL239.2214 P13:01:45.39 -0.81.0M
NEOHL249.5291 P13:01:47.59 0.01.0M
NEOHL249.5291 S13:02:15.88 -0.11.0M
PAIGHT251.0310 P13:01:47.52 -0.21.0M
LKRHL253.3274 P13:01:48.19 0.11.0M
DOMVHA256.1264 P13:01:48.73 0.31.0M
THASHT257.2337 P13:01:47.67 -0.81.0M
LTKHP261.4259 P13:01:49.27 0.11.0M
LTKHP261.4259 S13:02:18.12 -0.61.0M
LOUTHA261.7258 P13:01:49.32 0.21.0M
EPIDHA262.2249 P13:01:49.67 0.41.0M
EPIDHA262.2249 S13:02:18.05 -0.91.0M
OURHT264.0321 P13:01:49.18 -0.21.0M
ACORHA273.2256 P13:01:50.97 0.31.0M
AXARHA283.6276 P13:01:52.49 0.51.0M
THALHA287.2260 P13:01:52.58 0.11.0M
THALHA287.2260 S13:02:23.96 -0.61.0M
RDOHL297.9354 P13:01:52.89 -0.81.0M
PLGHL298.0315 P13:01:53.49 -0.31.0M
KAVAHT303.7337 P13:01:53.70 -0.81.0M
AGGHT315.1281 P13:01:56.57 0.51.0M
GURHP317.0259 P13:01:56.75 0.31.0M
PANRCL318.5268 P13:01:56.93 0.51.0M
VLIHL326.0233 P13:01:57.34 0.01.0M
VLIHL326.0233 S13:02:32.99 -0.21.0M
PRASHL339.5340 P13:01:58.30 -0.81.0M
PRASHL339.5340 S13:02:35.17 -1.11.0M
LITHT344.6301 P13:01:59.91 0.11.0M
LITHT344.6301 S13:02:36.65 -0.91.0M
KARPHL344.8161 P13:01:58.65 -1.11.0M
KARPHL344.8161 S13:02:36.30 -1.11.0M
KTHAHL352.5226 P13:02:00.31 -0.51.0M
SRSHT353.0326 P13:02:00.20 -0.51.0M
SRSHT353.0326 S13:02:38.16 -1.01.0M
KDZBS353.4352 P13:01:59.87 -0.91.0M
KDZBS353.4352 S13:02:38.21 -1.11.0M
THLHL356.9290 P13:02:01.81 0.51.0M
NPSHL359.0184 P13:02:01.16 -0.31.0M
NPSHL359.0184 S13:02:39.83 -0.61.0M
NVRHL363.1331 P13:02:01.56 -0.61.0M
ITMHL378.2248 P13:02:04.89 0.71.0M
MMBBS387.1332 P13:02:04.90 -0.31.0M
KKBBS441.8328 P13:02:12.18 0.01.0M


  Solution details 

Event:
    Public ID              nkua2021xssh
    Description
      region name: Aegean Sea
Origin:
    Date                   2021-12-04
    Time                  13:01:10.18
    Latitude              38.4812 deg  +/-      0 km
    Longitude             25.9038 deg  +/-      0 km
    Depth                      14 km   +/-    1 km
    Agency                 HA
    Author                 Analyst1
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.45 s
    Azimuthal gap              88 deg

2 Network magnitudes:
    MLv       3.77 +/- 0.19  49            
    M         3.77           49 preferred  

86 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    CHOS  HT    0.1 129  P       13:01:13.98  -0.2 M  1.0  CHOS 
    CHOS  HT    0.1 129  S       13:01:16.38  -0.8 M  1.0  CHOS 
    SIGR  HT    0.7 357  P       13:01:24.44   0.4 M  1.0  SIGR 
    SIGR  HT    0.7 357  S       13:01:34.99   0.4 M  1.0  SIGR 
    MYT1  HI    0.8  41  P       13:01:24.87  -0.3 M  1.0  MYT1 
    MYT1  HI    0.8  41  S       13:01:36.57   0.0 M  1.0  MYT1 
    PRK   HL    0.8  20  P       13:01:25.24  -0.2 M  1.0  PRK  
    PRK   HL    0.8  20  S       13:01:37.17   0.1 M  1.0  PRK  
    KRL1  HI    0.9 137  P       13:01:27.80   0.3 M  1.0  KRL1 
    KRL1  HI    0.9 137  S       13:01:41.16   0.5 M  1.0  KRL1 
    SMG   HL    1.1 136  P       13:01:30.35   0.5 M  1.0  SMG  
    SMG   HL    1.1 136  S       13:01:45.32   0.5 M  1.0  SMG  
    THNO  HC    1.1 220  P       13:01:30.58   0.5 M  1.0  THNO 
    TNSA  HL    1.1 212  P       13:01:31.12   0.6 M  1.0  TNSA 
    KARY  HA    1.2 249  P       13:01:33.36   0.6 M  1.0  KARY 
    KARY  HA    1.2 249  S       13:01:50.58   0.7 M  1.0  KARY 
    EFSA  HL    1.3 326  P       13:01:33.93   0.6 M  1.0  EFSA 
    APE   HL    1.4 192  P       13:01:35.85  -0.2 M  1.0  APE  
    APE   HL    1.4 192  S       13:01:55.86   0.1 M  1.0  APE  
    LIA   HL    1.5 338  P       13:01:37.12  -0.1 M  1.0  LIA  
    LIA   HL    1.5 338  S       13:01:57.26  -0.5 M  1.0  LIA  
    MRTH  HA    1.6 257  P       13:01:38.39   0.3 M  1.0  MRTH 
    MRTH  HA    1.6 257  S       13:01:59.44   0.1 M  1.0  MRTH 
    DION  HL    1.6 255  P       13:01:38.63   0.2 M  1.0  DION 
    PTL   HL    1.7 255  P       13:01:39.47   0.2 M  1.0  PTL  
    SERI  HA    1.7 220  P       13:01:39.72  -0.5 M  1.0  SERI 
    SERI  HA    1.7 220  S       13:02:03.19   0.1 M  1.0  SERI 
    AOS2  HT    1.7 292  P       13:01:40.56   0.2 M  1.0  AOS2 
    AOS2  HT    1.7 292  S       13:02:03.09  -0.2 M  1.0  AOS2 
    VLY   HL    1.8 249  P       13:01:41.35   0.5 M  1.0  VLY  
    VLY   HL    1.8 249  S       13:02:03.89  -0.3 M  1.0  VLY  
    MRKA  HA    1.8 277  P       13:01:41.91   0.3 M  1.0  MRKA 
    MRKA  HA    1.8 277  S       13:02:05.23  -0.3 M  1.0  MRKA 
    MDRA  HA    2.0 258  P       13:01:43.84   0.3 M  1.0  MDRA 
    SMTH  HL    2.0 352  P       13:01:43.23  -0.9 M  1.0  SMTH 
    THIV  HA    2.0 265  P       13:01:45.05   0.6 M  1.0  THIV 
    THIV  HA    2.0 265  S       13:02:10.31  -0.2 M  1.0  THIV 
    VILL  HA    2.1 261  P       13:01:45.28   0.3 M  1.0  VILL 
    SAP3  HL    2.1 192  P       13:01:44.77  -0.6 M  1.0  SAP3 
    SNT5  HA    2.1 191  P       13:01:46.14   0.5 M  1.0  SNT5 
    SNT5  HA    2.1 191  S       13:02:12.36  -0.2 M  1.0  SNT5 
    THI2  HL    2.1 267  P       13:01:45.86   0.1 M  1.0  THI2 
    THERA HL    2.1 189  P       13:01:45.17  -0.8 M  1.0  THERA
    MHLO  HL    2.2 214  P       13:01:45.39  -0.8 M  1.0  MHLO 
    NEO   HL    2.2 291  P       13:01:47.59   0.0 M  1.0  NEO  
    NEO   HL    2.2 291  S       13:02:15.88  -0.1 M  1.0  NEO  
    PAIG  HT    2.3 310  P       13:01:47.52  -0.2 M  1.0  PAIG 
    LKR   HL    2.3 274  P       13:01:48.19   0.1 M  1.0  LKR  
    DOMV  HA    2.3 264  P       13:01:48.73   0.3 M  1.0  DOMV 
    THAS  HT    2.3 337  P       13:01:47.67  -0.8 M  1.0  THAS 
    LTK   HP    2.4 259  P       13:01:49.27   0.1 M  1.0  LTK  
    LTK   HP    2.4 259  S       13:02:18.12  -0.6 M  1.0  LTK  
    LOUT  HA    2.4 258  P       13:01:49.32   0.2 M  1.0  LOUT 
    EPID  HA    2.4 249  P       13:01:49.67   0.4 M  1.0  EPID 
    EPID  HA    2.4 249  S       13:02:18.05  -0.9 M  1.0  EPID 
    OUR   HT    2.4 321  P       13:01:49.18  -0.2 M  1.0  OUR  
    ACOR  HA    2.5 256  P       13:01:50.97   0.3 M  1.0  ACOR 
    AXAR  HA    2.6 276  P       13:01:52.49   0.5 M  1.0  AXAR 
    THAL  HA    2.6 260  P       13:01:52.58   0.1 M  1.0  THAL 
    THAL  HA    2.6 260  S       13:02:23.96  -0.6 M  1.0  THAL 
    RDO   HL    2.7 354  P       13:01:52.89  -0.8 M  1.0  RDO  
    PLG   HL    2.7 315  P       13:01:53.49  -0.3 M  1.0  PLG  
    KAVA  HT    2.7 337  P       13:01:53.70  -0.8 M  1.0  KAVA 
    AGG   HT    2.8 281  P       13:01:56.57   0.5 M  1.0  AGG  
    GUR   HP    2.9 259  P       13:01:56.75   0.3 M  1.0  GUR  
    PANR  CL    2.9 268  P       13:01:56.93   0.5 M  1.0  PANR 
    VLI   HL    2.9 233  P       13:01:57.34  -0.0 M  1.0  VLI  
    VLI   HL    2.9 233  S       13:02:32.99  -0.2 M  1.0  VLI  
    PRAS  HL    3.1 340  P       13:01:58.30  -0.8 M  1.0  PRAS 
    PRAS  HL    3.1 340  S       13:02:35.17  -1.1 M  1.0  PRAS 
    KARP  HL    3.1 161  P       13:01:58.65  -1.1 M  1.0  KARP 
    KARP  HL    3.1 161  S       13:02:36.30  -1.1 M  1.0  KARP 
    LIT   HT    3.1 301  P       13:01:59.91   0.1 M  1.0  LIT  
    LIT   HT    3.1 301  S       13:02:36.65  -0.9 M  1.0  LIT  
    SRS   HT    3.2 326  P       13:02:00.20  -0.5 M  1.0  SRS  
    SRS   HT    3.2 326  S       13:02:38.16  -1.0 M  1.0  SRS  
    KTHA  HL    3.2 226  P       13:02:00.31  -0.5 M  1.0  KTHA 
    KDZ   BS    3.2 352  P       13:01:59.87  -0.9 M  1.0  KDZ  
    KDZ   BS    3.2 352  S       13:02:38.21  -1.1 M  1.0  KDZ  
    THL   HL    3.2 290  P       13:02:01.81   0.5 M  1.0  THL  
    NPS   HL    3.2 184  P       13:02:01.16  -0.3 M  1.0  NPS  
    NPS   HL    3.2 184  S       13:02:39.83  -0.6 M  1.0  NPS  
    NVR   HL    3.3 331  P       13:02:01.56  -0.6 M  1.0  NVR  
    ITM   HL    3.4 248  P       13:02:04.89   0.7 M  1.0  ITM  
    MMB   BS    3.5 332  P       13:02:04.90  -0.3 M  1.0  MMB  
    KKB   BS    4.0 328  P       13:02:12.18  -0.0 M  1.0  KKB  

59 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    CHOS  HT    0.1 129  MLv     3.84  0.07    213.383      
    SIGR  HT    0.7 357  MLv     4.06  0.29    22.5171      
    MYT1  HI    0.8  41  MLv     4.41  0.64     46.514      
    PRK   HL    0.8  20  MLv     4.14  0.37    24.2475      
    KRL1  HI    0.9 137  MLv     4.07  0.30    17.7765      
    SMG   HL    1.1 136  MLv     3.87  0.10    9.47687      
    THNO  HC    1.1 220  MLv     3.80  0.03    8.02139      
    TNSA  HL    1.1 212  MLv     3.69 -0.08    5.92019      
    KARY  HA    1.2 249  MLv     3.96  0.19    9.32894      
    EFSA  HL    1.3 326  MLv     3.97  0.20    9.11769      
    APE   HL    1.4 192  MLv     3.62 -0.15    3.33735      
    LIA   HL    1.5 338  MLv     3.36 -0.41    3.26408      
    MRTH  HA    1.6 257  MLv     4.00  0.23    6.59089      
    DION  HL    1.6 255  MLv     3.31 -0.46    3.76036      
    PTL   HL    1.7 255  MLv     3.74 -0.03    3.27155      
    SERI  HA    1.7 220  MLv     3.64 -0.13     2.4065      
    AOS2  HT    1.7 292  MLv     3.47 -0.30     1.6011      
    VLY   HL    1.8 249  MLv     3.98  0.21    4.90002      
    MRKA  HA    1.8 277  MLv     3.63 -0.14    2.07732      
    MDRA  HA    2.0 258  MLv     3.28 -0.49   0.777014      
    SMTH  HL    2.0 352  MLv     3.58 -0.19   0.949526      
    THIV  HA    2.0 265  MLv     4.06  0.29    4.30303      
    VILL  HA    2.1 261  MLv     3.72 -0.05    1.89389      
    SAP3  HL    2.1 192  MLv     4.13  0.36    7.65423      
    SNT5  HA    2.1 191  MLv     3.75 -0.02    1.11796      
    THI2  HL    2.1 267  MLv     4.04  0.27    3.65431      
    THERA HL    2.1 189  MLv     3.65 -0.12    1.44743      
    MHLO  HL    2.2 214  MLv     3.86  0.09    4.72818      
    NEO   HL    2.2 291  MLv     3.38 -0.39    0.93882      
    PAIG  HT    2.3 310  MLv     3.61 -0.16   0.868564      
    LKR   HL    2.3 274  MLv     3.67 -0.10   0.679053      
    DOMV  HA    2.3 264  MLv     3.81  0.04    1.70612      
    THAS  HT    2.3 337  MLv     3.60 -0.17    1.02489      
    LTK   HP    2.4 259  MLv     3.42 -0.35    2.46145      
    LOUT  HA    2.4 258  MLv     4.08  0.31    2.97796      
    EPID  HA    2.4 249  MLv     3.68 -0.09    1.18364      
    OUR   HT    2.4 321  MLv     3.43 -0.34   0.640993      
    ACOR  HA    2.5 256  MLv     3.75 -0.02    1.21628      
    AXAR  HA    2.6 276  MLv     3.18 -0.59    1.16481      
    THAL  HA    2.6 260  MLv     3.77 -0.00    1.90546      
    RDO   HL    2.7 354  MLv     3.69 -0.08   0.533352      
    PLG   HL    2.7 315  MLv     3.22 -0.55   0.269723      
    KAVA  HT    2.7 337  MLv     3.36 -0.41   0.725797      
    AGG   HT    2.8 281  MLv     3.51 -0.26   0.333992      
    GUR   HP    2.9 259  MLv     3.74 -0.03   0.724476      
    PANR  CL    2.9 268  MLv     5.28  1.51   0.478412      
    VLI   HL    2.9 233  MLv     3.88  0.11    1.14339      
    PRAS  HL    3.1 340  MLv     3.64 -0.13   0.438399      
    KARP  HL    3.1 161  MLv     3.66 -0.11   0.569478      
    LIT   HT    3.1 301  MLv     3.49 -0.28    0.21429      
    SRS   HT    3.2 326  MLv     3.52 -0.25   0.204372      
    KTHA  HL    3.2 226  MLv     3.97  0.20   0.810374      
    KDZ   BS    3.2 352  MLv     3.66 -0.11   0.393341      
    THL   HL    3.2 290  MLv     3.76 -0.01   0.283361      
    NPS   HL    3.2 184  MLv     3.78  0.01   0.482942      
    NVR   HL    3.3 331  MLv     3.57 -0.20   0.213064      
    ITM   HL    3.4 248  MLv     3.94  0.17   0.558475      
    MMB   BS    3.5 332  MLv     3.56 -0.21   0.213798      
    KKB   BS    4.0 328  MLv     3.71 -0.06   0.209361