Earthquake Information
 Origin Time
2020-10-31 14:42:43 (GMT)
 Magnitude
M 4.1
 Latitude
37.8699° N
 Longitude
26.4784° E
 Focal Depth
10 km
 # of Arrivals
61
 Location 42.0 km NE of Ikaria
45.5 km WNW of Samos
241.1 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)
9542-91 4.40E+22

Latitude (°N) Longitude (°E) Depth (km) Magnitude Mw
37.878526.457912.04.4

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
KRL1HI21.7112 P14:42:48.32 -0.21.0M
KRL1HI21.7112 S14:42:51.63 -0.61.0M
CHOSHT68.6327 P14:42:55.64 -0.21.0M
CHOSHT68.6327 S14:43:04.65 -0.31.0M
KLNAHL110.5156 P14:43:02.73 0.31.0M
KLNAHL110.5156 S14:43:17.18 1.01.0M
TNSAHL121.4253 P14:43:03.83 -0.11.0M
TNSAHL121.4253 S14:43:19.01 0.01.0M
MYT1HI135.3 3 P14:43:06.18 0.41.0M
MYT1HI135.3 3 S14:43:23.54 1.21.0M
ASTAHL147.5184 P14:43:08.36 0.91.0M
PRKHL154.1353 P14:43:07.98 -0.31.0M
KARYHA179.9276 P14:43:11.88 0.11.0M
KARYHA179.9276 S14:43:34.03 0.81.0M
CMBOHT182.3212 P14:43:11.43 -0.61.0M
CMBOHT182.3212 S14:43:34.69 1.01.0M
SNT5HA189.2211 P14:43:13.85 0.91.0M
SNT5HA189.2211 S14:43:36.01 0.71.0M
THERAHL189.3208 P14:43:12.29 -0.61.0M
THERAHL189.3208 S14:43:36.35 1.01.0M
MRTHHA224.1278 P14:43:17.34 -0.21.0M
DIONHL224.3277 P14:43:17.26 -0.31.0M
KYMIHL224.3293 P14:43:17.42 -0.11.0M
KYMIHL224.3293 S14:43:43.79 0.11.0M
PTLHL230.1276 P14:43:17.76 -0.51.0M
ARGHL234.9141 P14:43:19.05 0.31.0M
ARGHL234.9141 S14:43:45.41 -0.51.0M
VLYHL235.6270 P14:43:18.76 -0.21.0M
VLYHL235.6270 S14:43:46.74 0.51.0M
LIAHL251.9334 P14:43:20.58 -0.31.0M
LIAHL251.9334 S14:43:49.84 0.21.0M
MDRAHA264.9275 P14:43:22.72 0.21.0M
KARPHL265.4166 P14:43:22.40 -0.11.0M
KARPHL265.4166 S14:43:52.43 -0.21.0M
AOS2HT269.7302 P14:43:23.38 0.31.0M
AOS2HT269.7302 S14:43:53.73 0.01.0M
VILLHA279.3278 P14:43:24.88 0.51.0M
VILLHA279.3278 S14:43:55.85 -0.11.0M
NPSHL300.2195 P14:43:26.53 -0.31.0M
NPSHL300.2195 S14:43:59.45 -0.91.0M
SMTHHL300.5344 P14:43:26.44 -0.41.0M
SMTHHL300.5344 S14:44:00.76 0.31.0M
ZKRHL307.3184 P14:43:27.76 0.11.0M
ZKRHL307.3184 S14:44:02.27 0.41.0M
LOUTHA307.6274 P14:43:27.90 0.01.0M
LTKHP308.3274 P14:43:28.17 0.21.0M
ATALHA315.3288 P14:43:29.09 0.31.0M
ACORHA316.7272 P14:43:28.89 -0.11.0M
ACORHA316.7272 S14:44:03.84 -0.51.0M
IDIMN320.2207 P14:43:28.74 -0.51.0M
IDIMN320.2207 S14:44:04.48 -0.41.0M
NEOHL324.9300 P14:43:30.13 0.21.0M
PFKSHC326.9196 P14:43:30.35 0.31.0M
PFKSHC326.9196 S14:44:05.63 -0.71.0M
VLIHL337.6249 P14:43:31.26 -0.31.0M
VLIHL337.6249 S14:44:08.48 -0.41.0M
ALNHT338.5354 P14:43:31.22 -0.21.0M
OURHT348.5322 P14:43:32.75 -0.11.0M
OURHT348.5322 S14:44:10.66 -0.61.0M
KTHAHL352.2241 P14:43:33.00 -0.31.0M
KTHAHL352.2241 S14:44:11.38 -0.81.0M


  Solution details

Event:
    Public ID              nkua2020vkob
    Type                   earthquake
    Description
      region name: Dodecanese Islands, Greece
Origin:
    Date                   2020-10-31
    Time                  14:42:43.41  +/-    0.2 s
    Latitude              37.8699 deg  +/-      1 km
    Longitude             26.4784 deg  +/-      2 km
    Depth                      10 km   +/-    2 km
    Agency                 HA
    Author                 A.Karakonstantis
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.48 s
    Azimuthal gap             109 deg

2 Network magnitudes:
    MLv       4.14 +/- 0.15  28            
    M         4.14           28 preferred  

61 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    KRL1  HI    0.2 112  P       14:42:48.32  -0.2 M  1.0  KRL1 
    KRL1  HI    0.2 112  S       14:42:51.63  -0.6 M  1.0  KRL1 
    CHOS  HT    0.6 327  P       14:42:55.64  -0.2 M  1.0  CHOS 
    CHOS  HT    0.6 327  S       14:43:04.65  -0.3 M  1.0  CHOS 
    KLNA  HL    1.0 156  P       14:43:02.73   0.3 M  1.0  KLNA 
    KLNA  HL    1.0 156  S       14:43:17.18   1.0 M  1.0  KLNA 
    TNSA  HL    1.1 253  P       14:43:03.83  -0.1 M  1.0  TNSA 
    TNSA  HL    1.1 253  S       14:43:19.01  -0.0 M  1.0  TNSA 
    MYT1  HI    1.2   3  P       14:43:06.18   0.4 M  1.0  MYT1 
    MYT1  HI    1.2   3  S       14:43:23.54   1.2 M  1.0  MYT1 
    ASTA  HL    1.3 184  P       14:43:08.36   0.9 M  1.0  ASTA 
    PRK   HL    1.4 353  P       14:43:07.98  -0.3 M  1.0  PRK  
    KARY  HA    1.6 276  P       14:43:11.88   0.1 M  1.0  KARY 
    KARY  HA    1.6 276  S       14:43:34.03   0.8 M  1.0  KARY 
    CMBO  HT    1.6 212  P       14:43:11.43  -0.6 M  1.0  CMBO 
    CMBO  HT    1.6 212  S       14:43:34.69   1.0 M  1.0  CMBO 
    SNT5  HA    1.7 211  P       14:43:13.85   0.9 M  1.0  SNT5 
    SNT5  HA    1.7 211  S       14:43:36.01   0.7 M  1.0  SNT5 
    THERA HL    1.7 208  P       14:43:12.29  -0.6 M  1.0  THERA
    THERA HL    1.7 208  S       14:43:36.35   1.0 M  1.0  THERA
    MRTH  HA    2.0 278  P       14:43:17.34  -0.2 M  1.0  MRTH 
    KYMI  HL    2.0 293  P       14:43:17.42  -0.1 M  1.0  KYMI 
    KYMI  HL    2.0 293  S       14:43:43.79   0.1 M  1.0  KYMI 
    DION  HL    2.0 277  P       14:43:17.26  -0.3 M  1.0  DION 
    PTL   HL    2.1 276  P       14:43:17.76  -0.5 M  1.0  PTL  
    ARG   HL    2.1 141  P       14:43:19.05   0.3 M  1.0  ARG  
    ARG   HL    2.1 141  S       14:43:45.41  -0.5 M  1.0  ARG  
    VLY   HL    2.1 270  P       14:43:18.76  -0.2 M  1.0  VLY  
    VLY   HL    2.1 270  S       14:43:46.74   0.5 M  1.0  VLY  
    LIA   HL    2.3 334  P       14:43:20.58  -0.3 M  1.0  LIA  
    LIA   HL    2.3 334  S       14:43:49.84   0.2 M  1.0  LIA  
    KARP  HL    2.4 166  P       14:43:22.40  -0.1 M  1.0  KARP 
    KARP  HL    2.4 166  S       14:43:52.43  -0.2 M  1.0  KARP 
    MDRA  HA    2.4 275  P       14:43:22.72   0.2 M  1.0  MDRA 
    AOS2  HT    2.4 302  P       14:43:23.38   0.3 M  1.0  AOS2 
    AOS2  HT    2.4 302  S       14:43:53.73  -0.0 M  1.0  AOS2 
    VILL  HA    2.5 278  P       14:43:24.88   0.5 M  1.0  VILL 
    VILL  HA    2.5 278  S       14:43:55.85  -0.1 M  1.0  VILL 
    NPS   HL    2.7 195  P       14:43:26.53  -0.3 M  1.0  NPS  
    NPS   HL    2.7 195  S       14:43:59.45  -0.9 M  1.0  NPS  
    SMTH  HL    2.7 344  P       14:43:26.44  -0.4 M  1.0  SMTH 
    SMTH  HL    2.7 344  S       14:44:00.76   0.3 M  1.0  SMTH 
    ZKR   HL    2.8 184  P       14:43:27.76   0.1 M  1.0  ZKR  
    ZKR   HL    2.8 184  S       14:44:02.27   0.4 M  1.0  ZKR  
    LOUT  HA    2.8 274  P       14:43:27.90   0.0 M  1.0  LOUT 
    LTK   HP    2.8 274  P       14:43:28.17   0.2 M  1.0  LTK  
    ATAL  HA    2.8 288  P       14:43:29.09   0.3 M  1.0  ATAL 
    ACOR  HA    2.9 272  P       14:43:28.89  -0.1 M  1.0  ACOR 
    ACOR  HA    2.9 272  S       14:44:03.84  -0.5 M  1.0  ACOR 
    IDI   MN    2.9 207  P       14:43:28.74  -0.5 M  1.0  IDI  
    IDI   MN    2.9 207  S       14:44:04.48  -0.4 M  1.0  IDI  
    NEO   HL    2.9 300  P       14:43:30.13   0.2 M  1.0  NEO  
    PFKS  HC    2.9 196  P       14:43:30.35   0.3 M  1.0  PFKS 
    PFKS  HC    2.9 196  S       14:44:05.63  -0.7 M  1.0  PFKS 
    ALN   HT    3.0 354  P       14:43:31.22  -0.2 M  1.0  ALN  
    VLI   HL    3.0 249  P       14:43:31.26  -0.3 M  1.0  VLI  
    VLI   HL    3.0 249  S       14:44:08.48  -0.4 M  1.0  VLI  
    OUR   HT    3.1 322  P       14:43:32.75  -0.1 M  1.0  OUR  
    OUR   HT    3.1 322  S       14:44:10.66  -0.6 M  1.0  OUR  
    KTHA  HL    3.2 241  P       14:43:33.00  -0.3 M  1.0  KTHA 
    KTHA  HL    3.2 241  S       14:44:11.38  -0.8 M  1.0  KTHA 

36 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    KRL1  HI    0.2 112  MLv     3.86 -0.28     165.29      
    CHOS  HT    0.6 327  MLv     4.13 -0.01    30.9024      
    KLNA  HL    1.0 156  MLv     4.65  0.51    63.1744      
    TNSA  HL    1.1 253  MLv     4.28  0.14    23.6267      
    MYT1  HI    1.2   3  MLv     4.72  0.58    55.4464      
    ASTA  HL    1.3 184  MLv     4.01 -0.13    9.39768      
    PRK   HL    1.4 353  MLv     4.91  0.76    68.3968      
    KARY  HA    1.6 276  MLv     4.12 -0.03    8.26459      
    CMBO  HT    1.6 212  MLv     4.92  0.77    50.7673      
    SNT5  HA    1.7 211  MLv     4.32  0.18    7.04891      
    THERA HL    1.7 208  MLv     4.13 -0.02    7.60133      
    MRTH  HA    2.0 278  MLv     4.01 -0.13    3.88541      
    KYMI  HL    2.0 293  MLv     3.79 -0.36     2.3246      
    DION  HL    2.0 277  MLv     3.64 -0.50     4.6821      
    PTL   HL    2.1 276  MLv     4.10 -0.05    4.42805      
    ARG   HL    2.1 141  MLv     4.17  0.02    4.92274      
    VLY   HL    2.1 270  MLv     4.34  0.20    7.31722      
    LIA   HL    2.3 334  MLv     3.86 -0.28    4.02761      
    KARP  HL    2.4 166  MLv     4.04 -0.10    3.42245      
    MDRA  HA    2.4 275  MLv     4.06 -0.09     2.7217      
    AOS2  HT    2.4 302  MLv     3.70 -0.44    1.12814      
    VILL  HA    2.5 278  MLv     4.23  0.09    3.42948      
    NPS   HL    2.7 195  MLv     4.12 -0.02    2.10759      
    SMTH  HL    2.7 344  MLv     4.16  0.02    1.48752      
    ZKR   HL    2.8 184  MLv     4.15  0.01    2.08079      
    LOUT  HA    2.8 274  MLv     4.40  0.25    3.62822      
    LTK   HP    2.8 274  MLv     4.00 -0.14    5.50952      
    ATAL  HA    2.8 288  MLv     3.96 -0.18    1.21986      
    ACOR  HA    2.9 272  MLv     4.36  0.22    3.00766      
    IDI   MN    2.9 207  MLv     4.28  0.13    2.39115      
    NEO   HL    2.9 300  MLv     4.05 -0.10    1.84153      
    PFKS  HC    2.9 196  MLv     4.08 -0.07    1.38927      
    ALN   HT    3.0 354  MLv     4.66  0.52    3.60841      
    VLI   HL    3.0 249  MLv     4.13 -0.02    1.78058      
    OUR   HT    3.1 322  MLv     3.97 -0.18   0.841926      
    KTHA  HL    3.2 241  MLv     4.04 -0.10   0.961573