Earthquake Information
 Origin Time
2025-12-20 23:13:55 (GMT)
 Magnitude
M 3.8
 Latitude
36.7300° N
 Longitude
25.6972° E
 Focal Depth
4 km
 # of Arrivals
36
 Location 42.1 km NE of Thira
50.6 km SE of Naxos
222.6 km SE of Athens
 Solution type
manual
 Files / Links
QuakeML  GSE2.0  Alert  .phi  
  

  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
ANYDHT11.3189 P23:13:57.74 0.11.0M
ANYDHT11.3189 S23:13:59.52 0.11.0M
AMGAHL20.8 57 P23:13:59.23 -0.11.0M
AMGAHL20.8 57 S23:14:01.95 -0.51.0M
IOSIHA36.4269 P23:14:02.36 0.31.0M
IOSIHA36.4269 S23:14:07.06 -0.21.0M
CMBOHT38.8222 P23:14:02.75 0.31.0M
CMBOHT38.8222 S23:14:07.77 -0.21.0M
APEHL41.1338 P23:14:02.91 0.11.0M
APEHL41.1338 S23:14:08.30 -0.41.0M
SNT1HA42.4215 P23:14:03.06 0.11.0M
SNT1HA42.4215 S23:14:08.81 -0.21.0M
SNT5HA45.2217 P23:14:03.74 0.31.0M
SNT5HA45.2217 S23:14:09.64 -0.21.0M
SANTHL45.3208 P23:14:03.40 -0.11.0M
SANTHL45.3208 S23:14:09.47 -0.51.0M
GVRLHT48.6209 P23:14:03.88 -0.21.0M
GVRLHT48.6209 S23:14:10.45 -0.31.0M
AKROHT49.3213 P23:14:04.32 0.21.0M
AKROHT49.3213 S23:14:10.66 -0.31.0M
ASTAHL61.4109 P23:14:05.60 -0.61.0M
ASTAHL61.4109 S23:14:14.14 -0.41.0M
SERIHA117.9294 P23:14:16.13 0.81.0M
SERIHA117.9294 S23:14:30.86 0.21.0M
NISRHL128.6 96 P23:14:17.13 0.21.0M
NISRHL128.6 96 S23:14:33.99 0.41.0M
NSR2HA131.2 98 P23:14:17.69 0.31.0M
NSR2HA131.2 98 S23:14:34.77 0.51.0M
NISR2HL133.1 97 P23:14:18.06 0.31.0M
NISR2HL133.1 97 S23:14:35.35 0.51.0M
GR27B1Y209.1322 P23:14:28.14 -0.21.0M
GR27B1Y209.1322 S23:14:54.38 0.81.0M
NOACHL223.0308 P23:14:30.16 0.01.0M
NOACHL223.0308 S23:14:57.56 0.71.0M
EPIDHA248.7293 P23:14:33.40 -0.21.0M
EPIDHA248.7293 S23:15:02.64 -0.11.0M


  Solution details

Event:
    Public ID              nkua2025ywso
    Description
      region name: Dodecanese Islands, Greece
Origin:
    Date                   2025-12-20
    Time                  23:13:55.14
    Latitude              36.7300 deg  +/-      0 km
    Longitude             25.6972 deg  +/-      0 km
    Depth                       4 km   +/-    1 km
    Agency                 HA
    Author                 A. Karakonstantis
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.36 s
    Azimuthal gap              80 deg

2 Network magnitudes:
    MLv       3.82 +/- 0.20  14            
    M         3.82           14 preferred  

36 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    ANYD  HT    0.1 189  P       23:13:57.74   0.1 M  1.0  ANYD 
    ANYD  HT    0.1 189  S       23:13:59.52   0.1 M  1.0  ANYD 
    AMGA  HL    0.2  57  P       23:13:59.23  -0.1 M  1.0  AMGA 
    AMGA  HL    0.2  57  S       23:14:01.95  -0.5 M  1.0  AMGA 
    IOSI  HA    0.3 269  P       23:14:02.36   0.3 M  1.0  IOSI 
    IOSI  HA    0.3 269  S       23:14:07.06  -0.2 M  1.0  IOSI 
    CMBO  HT    0.3 222  P       23:14:02.75   0.3 M  1.0  CMBO 
    CMBO  HT    0.3 222  S       23:14:07.77  -0.2 M  1.0  CMBO 
    APE   HL    0.4 338  P       23:14:02.91   0.1 M  1.0  APE  
    APE   HL    0.4 338  S       23:14:08.30  -0.4 M  1.0  APE  
    SNT1  HA    0.4 215  P       23:14:03.06   0.1 M  1.0  SNT1 
    SNT1  HA    0.4 215  S       23:14:08.81  -0.2 M  1.0  SNT1 
    SANT  HL    0.4 208  P       23:14:03.40  -0.1 M  1.0  SANT 
    SANT  HL    0.4 208  S       23:14:09.47  -0.5 M  1.0  SANT 
    SNT5  HA    0.4 217  P       23:14:03.74   0.3 M  1.0  SNT5 
    SNT5  HA    0.4 217  S       23:14:09.64  -0.2 M  1.0  SNT5 
    GVRL  HT    0.4 209  P       23:14:03.88  -0.2 M  1.0  GVRL 
    GVRL  HT    0.4 209  S       23:14:10.45  -0.3 M  1.0  GVRL 
    AKRO  HT    0.4 213  P       23:14:04.32   0.2 M  1.0  AKRO 
    AKRO  HT    0.4 213  S       23:14:10.66  -0.3 M  1.0  AKRO 
    ASTA  HL    0.6 109  P       23:14:05.60  -0.6 M  1.0  ASTA 
    ASTA  HL    0.6 109  S       23:14:14.14  -0.4 M  1.0  ASTA 
    SERI  HA    1.1 294  P       23:14:16.13   0.8 M  1.0  SERI 
    SERI  HA    1.1 294  S       23:14:30.86   0.2 M  1.0  SERI 
    NISR  HL    1.2  96  P       23:14:17.13   0.2 M  1.0  NISR 
    NISR  HL    1.2  96  S       23:14:33.99   0.4 M  1.0  NISR 
    NSR2  HA    1.2  98  P       23:14:17.69   0.3 M  1.0  NSR2 
    NSR2  HA    1.2  98  S       23:14:34.77   0.5 M  1.0  NSR2 
    NISR2 HL    1.2  97  P       23:14:18.06   0.3 M  1.0  NISR2
    NISR2 HL    1.2  97  S       23:14:35.35   0.5 M  1.0  NISR2
    GR27B 1Y    1.9 322  P       23:14:28.14  -0.2 M  1.0  GR27B
    GR27B 1Y    1.9 322  S       23:14:54.38   0.8 M  1.0  GR27B
    NOAC  HL    2.0 308  P       23:14:30.16  -0.0 M  1.0  NOAC 
    NOAC  HL    2.0 308  S       23:14:57.56   0.7 M  1.0  NOAC 
    EPID  HA    2.2 293  P       23:14:33.40  -0.2 M  1.0  EPID 
    EPID  HA    2.2 293  S       23:15:02.64  -0.1 M  1.0  EPID 

18 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    ANYD  HT    0.1 189  MLv     3.77 -0.05    247.363      
    AMGA  HL    0.2  57  MLv     4.27  0.45    442.139      
    IOSI  HA    0.3 269  MLv     3.37 -0.46     22.676      
    CMBO  HT    0.3 222  MLv     3.89  0.07    66.2984      
    APE   HL    0.4 338  MLv     3.28 -0.54    14.1524      
    SNT1  HA    0.4 215  MLv     3.87  0.05    34.2263      
    SANT  HL    0.4 208  MLv     3.97  0.15    41.8504      
    SNT5  HA    0.4 217  MLv     4.00  0.18    34.5946      
    GVRL  HT    0.4 209  MLv     3.54 -0.28    16.7959      
    AKRO  HT    0.4 213  MLv     4.25  0.43    83.7075      
    ASTA  HL    0.6 109  MLv     3.94  0.12    21.4609      
    SERI  HA    1.1 294  MLv     3.50 -0.32    4.04824      
    NISR  HL    1.2  96  MLv     3.79 -0.03    7.10246      
    NSR2  HA    1.2  98  MLv     4.15  0.33     15.788      
    NISR2 HL    1.2  97  MLv     3.99  0.17    10.5387      
    GR27B 1Y    1.9 322  MLv     3.65 -0.17    2.00702      
    NOAC  HL    2.0 308  MLv     3.93  0.11    3.24648      
    EPID  HA    2.2 293  MLv     3.50 -0.32   0.904393