M=1.4, 2025-12-21 01:11:50 (GMT), 39.6 km ESE of Chalkida: Event Information

Earthquake Information
Origin Time	2025-12-21 01:11:50 (GMT)
Magnitude	M 1.4
Latitude	38.3275° N
Longitude	24.0193° E
Focal Depth	2 km
# of Arrivals	12
Location	39.6 km ESE of Chalkida 45.7 km NNE of Athens 61.0 km E of Thiva
Solution type	automatic
Files / Links	QuakeML GSE2.0 Alert .phi

Station data

Station	Net	Dist.(km)	Azim.	Phase	Arr.Time	Res.	Wgt.	Type
ERTR	HA	22.1	294	P	01:11:52.85	-1.1	1.0	A
GR27B	1Y	23.4	121	P	01:11:54.44	0.2	1.0	A
MRTH	HA	23.8	197	P	01:11:54.24	0.0	1.0	A
ALIO	HA	42.0	226	P	01:11:56.91	-0.4	1.0	A
PSAH	HA	42.1	310	P	01:11:57.47	0.1	1.0	A
ATHU	HA	45.1	207	P	01:11:58.02	0.2	1.0	A
KARY	HA	49.1	132	P	01:11:58.40	-0.1	1.0	A
GR26	1Y	53.7	279	P	01:11:59.63	0.3	1.0	A
MRKA	HA	56.4	318	P	01:11:59.94	0.2	1.0	A
VLY	HL	56.4	201	P	01:11:59.49	-0.3	1.0	A
VILL	HA	64.4	254	P	01:12:01.98	0.8	1.0	A
LKR	HL	95.8	292	P	01:12:06.62	0.2	1.0	A

Solution details

Event:
    Public ID              nkua2025ywwl
    Description
      region name: Aegean Sea
Origin:
    Date                   2025-12-21
    Time                  01:11:49.82  +/-    0.4 s
    Latitude              38.3275 deg  +/-      3 km
    Longitude             24.0193 deg  +/-      3 km
    Depth                       2 km
    Agency                 HA
    Mode                   automatic
    Status                 NOT SET
    Residual RMS             0.46 s
    Azimuthal gap             163 deg

2 Network magnitudes:
    MLv       1.40 +/- 0.13   9            
    M         1.40            9 preferred  

12 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    ERTR  HA    0.2 294  P       01:11:52.85  -1.1 A  1.0  ERTR 
    GR27B 1Y    0.2 121  P       01:11:54.44   0.2 A  1.0  GR27B
    MRTH  HA    0.2 197  P       01:11:54.24  -0.0 A  1.0  MRTH 
    ALIO  HA    0.4 226  P       01:11:56.91  -0.4 A  1.0  ALIO 
    PSAH  HA    0.4 310  P       01:11:57.47   0.1 A  1.0  PSAH 
    ATHU  HA    0.4 207  P       01:11:58.02   0.2 A  1.0  ATHU 
    KARY  HA    0.4 132  P       01:11:58.40  -0.1 A  1.0  KARY 
    GR26  1Y    0.5 279  P       01:11:59.63   0.3 A  1.0  GR26 
    VLY   HL    0.5 201  P       01:11:59.49  -0.3 A  1.0  VLY  
    MRKA  HA    0.5 318  P       01:11:59.94   0.2 A  1.0  MRKA 
    VILL  HA    0.6 254  P       01:12:01.98   0.8 A  1.0  VILL 
    LKR   HL    0.9 292  P       01:12:06.62   0.2 A  1.0  LKR  

11 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    ERTR  HA    0.2 294  MLv     0.87 -0.53   0.163929      
    GR27B 1Y    0.2 121  MLv     1.17 -0.22   0.308061      
    MRTH  HA    0.2 197  MLv     1.22 -0.18    0.33346      
    ALIO  HA    0.4 226  MLv     1.37 -0.03     0.1661      
    PSAH  HA    0.4 310  MLv     1.42  0.02   0.183232      
    ATHU  HA    0.4 207  MLv     1.38 -0.01   0.0883761      
    KARY  HA    0.4 132  MLv     1.57  0.17   0.173826      
    GR26  1Y    0.5 279  MLv     1.33 -0.06   0.0777298      
    VLY   HL    0.5 201  MLv     1.80  0.41   0.196548      
    MRKA  HA    0.5 318  MLv     1.55  0.15    0.10866      
    VILL  HA    0.6 254  MLv     1.53  0.14   0.0818969