Earthquake Information
 Origin Time
 2020-10-30 20:35:25 (GMT)
University of Athens
+−
10 km
5 mi
Leaflet | Tiles © Esri
 Magnitude
 M 4.0
 Latitude
 37.8259° N
 Longitude
 26.4804° E
 Focal Depth
 16 km
 # of Arrivals
 29
 Location 38.6 km NE of Ikaria
44.3 km W of Samos
241.6 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)
30360-80 1.46E+22

Latitude (°N) Longitude (°E) Depth (km) Magnitude Mw
37.833926.486213.04.0

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
CHOSHT72.8329 P20:35:38.97 0.41.0M
CHOSHT72.8329 S20:35:48.16 -0.11.0M
TNSAHL120.2255 P20:35:44.38 -0.91.0M
NAX1HI126.6231 P20:35:47.17 1.11.0M
MYT1HI140.2 3 P20:35:47.58 -0.21.0M
MYT1HI140.2 3 S20:36:04.93 0.21.0M
ASTAHL142.6185 P20:35:48.28 0.21.0M
ASTAHL142.6185 S20:36:06.03 0.71.0M
PRKHL159.0353 P20:35:50.10 -0.11.0M
PRKHL159.0353 S20:36:09.00 -0.11.0M
CMBOHT178.3213 P20:35:52.59 -0.11.0M
KARYHA180.7278 P20:35:52.56 -0.51.0M
SAP3HL184.5214 P20:35:53.66 0.21.0M
SNT5HA185.1212 P20:35:53.83 0.31.0M
MRTHHA225.0279 P20:35:58.45 -0.21.0M
DIONHL225.1278 P20:35:58.41 -0.21.0M
PTLHL230.8277 P20:35:59.17 -0.21.0M
ARGHL231.0140 P20:35:58.92 -0.41.0M
ARGHL231.0140 S20:36:25.47 -0.11.0M
VLYHL235.9272 P20:35:59.88 -0.11.0M
VLYHL235.9272 S20:36:26.46 -0.41.0M
ATHUHA237.1275 P20:35:59.94 -0.21.0M
NOACHL243.0275 P20:36:00.79 -0.11.0M
LIAHL256.3334 P20:36:02.46 0.01.0M
LIAHL256.3334 S20:36:31.93 0.71.0M
STFNHA260.2279 P20:36:03.23 0.21.0M
STFNHA260.2279 S20:36:32.34 0.11.0M
KARPHL260.6166 P20:36:02.35 -0.61.0M
MDRAHA265.6277 P20:36:03.81 0.11.0M


  Solution details 

Event:
    Public ID              nkua2020vjee
    Type                   earthquake
    Description
      region name: Dodecanese Islands, Greece
Origin:
    Date                   2020-10-30
    Time                  20:35:25.18  +/-    0.5 s
    Latitude              37.8259 deg  +/-      2 km
    Longitude             26.4804 deg  +/-      2 km
    Depth                      16 km   +/-    4 km
    Agency                 HA
    Author                 A.Karakonstantis
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.40 s
    Azimuthal gap             137 deg

2 Network magnitudes:
    MLv       3.95 +/- 0.19  16            
    M         3.95           16 preferred  

29 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    CHOS  HT    0.7 329  P       20:35:38.97   0.4 M  1.0  CHOS 
    CHOS  HT    0.7 329  S       20:35:48.16  -0.1 M  1.0  CHOS 
    TNSA  HL    1.1 255  P       20:35:44.38  -0.9 M  1.0  TNSA 
    NAX1  HI    1.1 231  P       20:35:47.17   1.1 M  1.0  NAX1 
    MYT1  HI    1.3   3  P       20:35:47.58  -0.2 M  1.0  MYT1 
    MYT1  HI    1.3   3  S       20:36:04.93   0.2 M  1.0  MYT1 
    ASTA  HL    1.3 185  P       20:35:48.28   0.2 M  1.0  ASTA 
    ASTA  HL    1.3 185  S       20:36:06.03   0.7 M  1.0  ASTA 
    PRK   HL    1.4 353  P       20:35:50.10  -0.1 M  1.0  PRK  
    PRK   HL    1.4 353  S       20:36:09.00  -0.1 M  1.0  PRK  
    CMBO  HT    1.6 213  P       20:35:52.59  -0.1 M  1.0  CMBO 
    KARY  HA    1.6 278  P       20:35:52.56  -0.5 M  1.0  KARY 
    SAP3  HL    1.7 214  P       20:35:53.66   0.2 M  1.0  SAP3 
    SNT5  HA    1.7 212  P       20:35:53.83   0.3 M  1.0  SNT5 
    MRTH  HA    2.0 279  P       20:35:58.45  -0.2 M  1.0  MRTH 
    DION  HL    2.0 278  P       20:35:58.41  -0.2 M  1.0  DION 
    ARG   HL    2.1 140  P       20:35:58.92  -0.4 M  1.0  ARG  
    ARG   HL    2.1 140  S       20:36:25.47  -0.1 M  1.0  ARG  
    PTL   HL    2.1 277  P       20:35:59.17  -0.2 M  1.0  PTL  
    VLY   HL    2.1 272  P       20:35:59.88  -0.1 M  1.0  VLY  
    VLY   HL    2.1 272  S       20:36:26.46  -0.4 M  1.0  VLY  
    ATHU  HA    2.1 275  P       20:35:59.94  -0.2 M  1.0  ATHU 
    NOAC  HL    2.2 275  P       20:36:00.79  -0.1 M  1.0  NOAC 
    LIA   HL    2.3 334  P       20:36:02.46   0.0 M  1.0  LIA  
    LIA   HL    2.3 334  S       20:36:31.93   0.7 M  1.0  LIA  
    KARP  HL    2.3 166  P       20:36:02.35  -0.6 M  1.0  KARP 
    STFN  HA    2.3 279  P       20:36:03.23   0.2 M  1.0  STFN 
    STFN  HA    2.3 279  S       20:36:32.34   0.1 M  1.0  STFN 
    MDRA  HA    2.4 277  P       20:36:03.81   0.1 M  1.0  MDRA 

21 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    CHOS  HT    0.7 329  MLv     3.78 -0.17    13.0434      
    TNSA  HL    1.1 255  MLv     3.87 -0.08    9.36137      
    NAX1  HI    1.1 231  MLv     4.28  0.33    22.4155      
    MYT1  HI    1.3   3  MLv     4.16  0.21    14.4891      
    ASTA  HL    1.3 185  MLv     4.01  0.07    10.0267      
    PRK   HL    1.4 353  MLv     4.23  0.28    13.7807      
    CMBO  HT    1.6 213  MLv     5.31  1.36     132.84      
    KARY  HA    1.6 278  MLv     3.73 -0.22    3.37422      
    SAP3  HL    1.7 214  MLv     4.78  0.83    59.9879      
    SNT5  HA    1.7 212  MLv     4.53  0.58    11.7586      
    MRTH  HA    2.0 279  MLv     3.89 -0.06    2.94059      
    DION  HL    2.0 278  MLv     3.40 -0.55    2.63975      
    ARG   HL    2.1 140  MLv     4.08  0.13    4.18791      
    PTL   HL    2.1 277  MLv     3.82 -0.13    2.34914      
    VLY   HL    2.1 272  MLv     4.15  0.20    4.69695      
    ATHU  HA    2.1 275  MLv     3.88 -0.07     1.5424      
    NOAC  HL    2.2 275  MLv     4.02  0.07    3.17421      
    LIA   HL    2.3 334  MLv     3.49 -0.46    1.63271      
    KARP  HL    2.3 166  MLv     3.69 -0.26    1.62201      
    STFN  HA    2.3 279  MLv     3.72 -0.23    1.31669      
    MDRA  HA    2.4 277  MLv     3.87 -0.08    1.73393