Earthquake Information
 Origin Time
 2020-10-31 05:31:30 (GMT)
 Magnitude
 M 4.7
 Latitude
 37.8018° N
 Longitude
 26.7376° E
 Focal Depth
 9 km
 # of Arrivals
 53
 Location 21.6 km WNW of Samos
55.8 km ENE of Ikaria
264.4 km E 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)
28561-113 1.87E+23

Latitude (°N) Longitude (°E) Depth (km) Magnitude Mw
37.835626.761712.04.8

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
KRL1HI2.8255 P05:31:32.78 -0.11.0M
KRL1HI2.8255 S05:31:34.52 0.11.0M
CHOSHT88.6317 P05:31:46.19 -0.21.0M
CHOSHT88.6317 S05:31:57.50 -0.31.0M
KLNAHL96.2167 P05:31:47.66 0.01.0M
KLNAHL96.2167 S05:32:00.03 0.21.0M
TNSAHL141.6259 P05:31:53.79 -0.41.0M
MYT1HI143.4354 P05:31:54.26 -0.11.0M
MYT1HI143.4354 S05:32:12.63 0.81.0M
PRKHL165.7346 P05:31:57.15 -0.21.0M
PRKHL165.7346 S05:32:17.87 0.61.0M
CMBOHT189.3219 P05:32:00.76 0.31.0M
SNT5HA195.8218 P05:32:01.77 0.41.0M
SNT5HA195.8218 S05:32:24.73 0.21.0M
ARGHL215.1145 P05:32:03.45 -0.41.0M
ARGHL215.1145 S05:32:28.94 -0.11.0M
SKYHL225.6303 P05:32:05.15 -0.11.0M
SKYHL225.6303 S05:32:31.89 0.31.0M
MHLOHL240.9240 P05:32:06.84 -0.31.0M
MHLOHL240.9240 S05:32:35.36 0.41.0M
EFSAHL245.8322 P05:32:07.54 -0.11.0M
EFSAHL245.8322 S05:32:36.29 0.31.0M
MRTHHA247.8279 P05:32:08.22 0.21.0M
DIONHL247.8278 P05:32:07.95 -0.11.0M
KYMIHL248.3293 P05:32:07.91 -0.11.0M
KYMIHL248.3293 S05:32:36.41 -0.21.0M
PTLHL253.5277 P05:32:08.54 -0.21.0M
VLYHL258.6272 P05:32:09.36 0.01.0M
VLYHL258.6272 S05:32:38.96 0.01.0M
ATHUHA259.8275 P05:32:09.42 -0.11.0M
NOACHL265.7275 P05:32:10.29 0.11.0M
ATHHL265.7275 P05:32:10.42 0.21.0M
LIAHL269.2330 P05:32:10.04 -0.51.0M
LIAHL269.2330 S05:32:41.29 0.11.0M
LMN1HI272.5328 P05:32:10.82 -0.11.0M
STFNHA282.9279 P05:32:12.78 0.41.0M
STFNHA282.9279 S05:32:44.25 -0.11.0M
MDRAHA288.3277 P05:32:13.19 0.21.0M
AOS2HT293.0302 P05:32:13.58 0.01.0M
AOS2HT293.0302 S05:32:45.85 -0.71.0M
STIAHC294.8192 P05:32:13.88 0.21.0M
STIAHC294.8192 S05:32:46.21 -0.61.0M
NPSHL299.9200 P05:32:14.20 -0.11.0M
ZKRHL302.4189 P05:32:14.57 0.01.0M
ZKRHL302.4189 S05:32:48.94 0.51.0M
VILLHA302.9279 P05:32:14.98 0.21.0M
VILLHA302.9279 S05:32:48.90 0.11.0M
SMTHHL314.5341 P05:32:15.19 -0.91.0M
EPIDHA319.0267 P05:32:17.50 0.71.0M
IDIMN324.6211 P05:32:17.59 0.21.0M
IDIMN324.6211 S05:32:52.43 -1.01.0M
PFKSHC326.9201 P05:32:18.28 0.61.0M
PFKSHC326.9201 S05:32:53.99 0.11.0M


  Solution details 

Event:
    Public ID              nkua2020vjvw
    Type                   earthquake
    Description
      region name: Dodecanese Islands, Greece
Origin:
    Date                   2020-10-31
    Time                  05:31:30.88  +/-    0.3 s
    Latitude              37.8018 deg  +/-      1 km
    Longitude             26.7376 deg  +/-      2 km
    Depth                       9 km   +/-    2 km
    Agency                 HA
    Author                 A.Karakonstantis
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.36 s
    Azimuthal gap             150 deg

2 Network magnitudes:
    MLv       4.71 +/- 0.20  25            
    M         4.71           25 preferred  

53 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    KRL1  HI    0.0 255  P       05:31:32.78  -0.1 M  1.0  KRL1 
    KRL1  HI    0.0 255  S       05:31:34.52   0.1 M  1.0  KRL1 
    CHOS  HT    0.8 317  P       05:31:46.19  -0.2 M  1.0  CHOS 
    CHOS  HT    0.8 317  S       05:31:57.50  -0.3 M  1.0  CHOS 
    KLNA  HL    0.9 167  P       05:31:47.66   0.0 M  1.0  KLNA 
    KLNA  HL    0.9 167  S       05:32:00.03   0.2 M  1.0  KLNA 
    TNSA  HL    1.3 259  P       05:31:53.79  -0.4 M  1.0  TNSA 
    MYT1  HI    1.3 354  P       05:31:54.26  -0.1 M  1.0  MYT1 
    MYT1  HI    1.3 354  S       05:32:12.63   0.8 M  1.0  MYT1 
    PRK   HL    1.5 346  P       05:31:57.15  -0.2 M  1.0  PRK  
    PRK   HL    1.5 346  S       05:32:17.87   0.6 M  1.0  PRK  
    CMBO  HT    1.7 219  P       05:32:00.76   0.3 M  1.0  CMBO 
    SNT5  HA    1.8 218  P       05:32:01.77   0.4 M  1.0  SNT5 
    SNT5  HA    1.8 218  S       05:32:24.73   0.2 M  1.0  SNT5 
    ARG   HL    1.9 145  P       05:32:03.45  -0.4 M  1.0  ARG  
    ARG   HL    1.9 145  S       05:32:28.94  -0.1 M  1.0  ARG  
    SKY   HL    2.0 303  P       05:32:05.15  -0.1 M  1.0  SKY  
    SKY   HL    2.0 303  S       05:32:31.89   0.3 M  1.0  SKY  
    MHLO  HL    2.2 240  P       05:32:06.84  -0.3 M  1.0  MHLO 
    MHLO  HL    2.2 240  S       05:32:35.36   0.4 M  1.0  MHLO 
    EFSA  HL    2.2 322  P       05:32:07.54  -0.1 M  1.0  EFSA 
    EFSA  HL    2.2 322  S       05:32:36.29   0.3 M  1.0  EFSA 
    MRTH  HA    2.2 279  P       05:32:08.22   0.2 M  1.0  MRTH 
    DION  HL    2.2 278  P       05:32:07.95  -0.1 M  1.0  DION 
    KYMI  HL    2.2 293  P       05:32:07.91  -0.1 M  1.0  KYMI 
    KYMI  HL    2.2 293  S       05:32:36.41  -0.2 M  1.0  KYMI 
    PTL   HL    2.3 277  P       05:32:08.54  -0.2 M  1.0  PTL  
    VLY   HL    2.3 272  P       05:32:09.36   0.0 M  1.0  VLY  
    VLY   HL    2.3 272  S       05:32:38.96  -0.0 M  1.0  VLY  
    ATHU  HA    2.3 275  P       05:32:09.42  -0.1 M  1.0  ATHU 
    ATH   HL    2.4 275  P       05:32:10.42   0.2 M  1.0  ATH  
    NOAC  HL    2.4 275  P       05:32:10.29   0.1 M  1.0  NOAC 
    LIA   HL    2.4 330  P       05:32:10.04  -0.5 M  1.0  LIA  
    LIA   HL    2.4 330  S       05:32:41.29   0.1 M  1.0  LIA  
    LMN1  HI    2.5 328  P       05:32:10.82  -0.1 M  1.0  LMN1 
    STFN  HA    2.6 279  P       05:32:12.78   0.4 M  1.0  STFN 
    STFN  HA    2.6 279  S       05:32:44.25  -0.1 M  1.0  STFN 
    MDRA  HA    2.6 277  P       05:32:13.19   0.2 M  1.0  MDRA 
    AOS2  HT    2.6 302  P       05:32:13.58   0.0 M  1.0  AOS2 
    AOS2  HT    2.6 302  S       05:32:45.85  -0.7 M  1.0  AOS2 
    STIA  HC    2.6 192  P       05:32:13.88   0.2 M  1.0  STIA 
    STIA  HC    2.6 192  S       05:32:46.21  -0.6 M  1.0  STIA 
    NPS   HL    2.7 200  P       05:32:14.20  -0.1 M  1.0  NPS  
    ZKR   HL    2.7 189  P       05:32:14.57  -0.0 M  1.0  ZKR  
    ZKR   HL    2.7 189  S       05:32:48.94   0.5 M  1.0  ZKR  
    VILL  HA    2.7 279  P       05:32:14.98   0.2 M  1.0  VILL 
    VILL  HA    2.7 279  S       05:32:48.90   0.1 M  1.0  VILL 
    SMTH  HL    2.8 341  P       05:32:15.19  -0.9 M  1.0  SMTH 
    EPID  HA    2.9 267  P       05:32:17.50   0.7 M  1.0  EPID 
    IDI   MN    2.9 211  P       05:32:17.59   0.2 M  1.0  IDI  
    IDI   MN    2.9 211  S       05:32:52.43  -1.0 M  1.0  IDI  
    PFKS  HC    2.9 201  P       05:32:18.28   0.6 M  1.0  PFKS 
    PFKS  HC    2.9 201  S       05:32:53.99   0.1 M  1.0  PFKS 

33 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    KRL1  HI    0.0 255  MLv     4.52 -0.19    2243.73      
    CHOS  HT    0.8 317  MLv     4.74  0.04    100.385      
    KLNA  HL    0.9 167  MLv     5.14  0.43    226.764      
    TNSA  HL    1.3 259  MLv     4.54 -0.17    34.2122      
    MYT1  HI    1.3 354  MLv     5.05  0.35    108.917      
    PRK   HL    1.5 346  MLv     5.19  0.48    114.177      
    CMBO  HT    1.7 219  MLv     5.34  0.63    124.302      
    SNT5  HA    1.8 218  MLv     4.89  0.18      24.15      
    ARG   HL    1.9 145  MLv     4.94  0.24    37.0443      
    SKY   HL    2.0 303  MLv     4.31 -0.40    12.5738      
    MHLO  HL    2.2 240  MLv     5.08  0.37    76.8267      
    EFSA  HL    2.2 322  MLv     4.88  0.17    22.2389      
    MRTH  HA    2.2 279  MLv     4.52 -0.19    9.56534      
    DION  HL    2.2 278  MLv     3.96 -0.75    7.48051      
    KYMI  HL    2.2 293  MLv     4.27 -0.43    5.42003      
    PTL   HL    2.3 277  MLv     4.45 -0.25    7.68887      
    VLY   HL    2.3 272  MLv     4.73  0.02    13.6407      
    ATHU  HA    2.3 275  MLv     4.59 -0.12    6.00055      
    ATH   HL    2.4 275  MLv     4.56 -0.15    8.57458      
    NOAC  HL    2.4 275  MLv     4.56 -0.15    8.46209      
    LIA   HL    2.4 330  MLv     4.50 -0.21    14.3128      
    LMN1  HI    2.5 328  MLv     4.78  0.07    13.0909      
    STFN  HA    2.6 279  MLv     4.45 -0.26    5.44612      
    MDRA  HA    2.6 277  MLv     4.50 -0.21    5.74714      
    AOS2  HT    2.6 302  MLv     4.36 -0.35    3.91008      
    STIA  HC    2.6 192  MLv     5.01  0.30    17.2861      
    NPS   HL    2.7 200  MLv     4.97  0.26    14.7069      
    ZKR   HL    2.7 189  MLv     5.08  0.37    18.3811      
    VILL  HA    2.7 279  MLv     4.73  0.02    8.21576      
    SMTH  HL    2.8 341  MLv     4.70 -0.00    4.39727      
    EPID  HA    2.9 267  MLv     4.56 -0.15    4.63447      
    IDI   MN    2.9 211  MLv     4.61 -0.10    4.85544      
    PFKS  HC    2.9 201  MLv     4.85  0.14    8.18539