Earthquake Information
 Origin Time
2021-10-20 04:15:09 (GMT)
 Magnitude
M 2.8
 Latitude
35.9502° N
 Longitude
25.5520° E
 Focal Depth
16 km
 # of Arrivals
20
 Location 53.0 km SSE of Thira
79.3 km NNE of Iraklion
277.9 km SE of Athens
 Solution type
manual
 Files / Links
QuakeML  GSE2.0  Alert  .phi  
  

  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
THERAHL46.9351 P04:15:18.12 -0.11.0M
THERAHL46.9351 S04:15:24.55 -0.11.0M
SAP3HL57.1341 P04:15:19.61 -0.21.0M
SAP3HL57.1341 S04:15:27.63 0.21.0M
SNT1HA53.0348 P04:15:18.94 -0.21.0M
SNT1HA53.0348 S04:15:26.47 0.21.0M
SNT5HA52.4344 P04:15:18.88 -0.21.0M
SNT5HA52.4344 S04:15:26.04 -0.11.0M
NPSHL76.8176 P04:15:22.21 -0.61.0M
NPSHL76.8176 S04:15:33.33 0.51.0M
IDIMN94.9219 P04:15:25.63 -0.11.0M
IDIMN94.9219 S04:15:37.64 -0.21.0M
ZKRHL110.7147 P04:15:28.42 0.31.0M
ZKRHL110.7147 S04:15:41.78 -0.21.0M
APEHL124.8359 P04:15:30.12 -0.21.0M
APEHL124.8359 S04:15:46.10 0.21.0M
SIVAHL123.4213 P04:15:30.37 0.31.0M
SIVAHL123.4213 S04:15:45.17 -0.31.0M
IMODHC128.3212 P04:15:31.32 0.51.0M
IMODHC128.3212 S04:15:46.76 0.01.0M


  Solution details

Event:
    Public ID              nkua2021unvi
    Description
      region name: Crete, Greece
Origin:
    Date                   2021-10-20
    Time                  04:15:09.74
    Latitude              35.9502 deg  +/-      1 km
    Longitude             25.5520 deg  +/-      1 km
    Depth                      16 km   +/-    3 km
    Agency                 HA
    Author                 Analyst1
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.26 s
    Azimuthal gap             148 deg

2 Network magnitudes:
    MLv       2.75 +/- 0.05   8            
    M         2.75            8 preferred  

20 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    THERA HL    0.4 351  P       04:15:18.12  -0.1 M  1.0  THERA
    THERA HL    0.4 351  S       04:15:24.55  -0.1 M  1.0  THERA
    SNT5  HA    0.5 344  P       04:15:18.88  -0.2 M  1.0  SNT5 
    SNT5  HA    0.5 344  S       04:15:26.04  -0.1 M  1.0  SNT5 
    SNT1  HA    0.5 348  P       04:15:18.94  -0.2 M  1.0  SNT1 
    SNT1  HA    0.5 348  S       04:15:26.47   0.2 M  1.0  SNT1 
    SAP3  HL    0.5 341  P       04:15:19.61  -0.2 M  1.0  SAP3 
    SAP3  HL    0.5 341  S       04:15:27.63   0.2 M  1.0  SAP3 
    NPS   HL    0.7 176  P       04:15:22.21  -0.6 M  1.0  NPS  
    NPS   HL    0.7 176  S       04:15:33.33   0.5 M  1.0  NPS  
    IDI   MN    0.9 219  P       04:15:25.63  -0.1 M  1.0  IDI  
    IDI   MN    0.9 219  S       04:15:37.64  -0.2 M  1.0  IDI  
    ZKR   HL    1.0 147  P       04:15:28.42   0.3 M  1.0  ZKR  
    ZKR   HL    1.0 147  S       04:15:41.78  -0.2 M  1.0  ZKR  
    SIVA  HL    1.1 213  P       04:15:30.37   0.3 M  1.0  SIVA 
    SIVA  HL    1.1 213  S       04:15:45.17  -0.3 M  1.0  SIVA 
    APE   HL    1.1 359  P       04:15:30.12  -0.2 M  1.0  APE  
    APE   HL    1.1 359  S       04:15:46.10   0.2 M  1.0  APE  
    IMOD  HC    1.2 212  P       04:15:31.32   0.5 M  1.0  IMOD 
    IMOD  HC    1.2 212  S       04:15:46.76  -0.0 M  1.0  IMOD 

10 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    THERA HL    0.4 351  MLv     2.38 -0.37    1.27446      
    SNT5  HA    0.5 344  MLv     2.79  0.04    1.42093      
    SNT1  HA    0.5 348  MLv     2.75  0.00    1.44165      
    SAP3  HL    0.5 341  MLv     3.03  0.28    5.33746      
    NPS   HL    0.7 176  MLv     2.75  0.00    1.16383      
    IDI   MN    0.9 219  MLv     2.76  0.01   0.964095      
    ZKR   HL    1.0 147  MLv     2.78  0.03   0.849874      
    SIVA  HL    1.1 213  MLv     2.81  0.06   0.774219      
    APE   HL    1.1 359  MLv     2.66 -0.08   0.550305      
    IMOD  HC    1.2 212  MLv     2.68 -0.07   0.552046