M=1.7, 2026-09-21 13:29:55 (GMT), 24.5 km NNW of Chalkida: Event Information

Earthquake Information
Origin Time	2026-09-21 13:29:55 (GMT)
Magnitude	M 1.7
Latitude	38.6569° N
Longitude	23.4647° E
Focal Depth	7 km
# of Arrivals	12
Location	24.5 km NNW of Chalkida 39.3 km NNE of Thiva 78.5 km NNW of Athens
Solution type	automatic
Files / Links	QuakeML GSE2.0 Alert .phi

Station data

Station	Net	Dist.(km)	Azim.	Phase	Arr.Time	Res.	Wgt.	Type
MRKA	HA	11.8	63	P	13:29:57.73	-0.2	1.0	A
PSAH	HA	18.6	121	P	13:29:59.36	0.3	1.0	A
GR23	1Y	26.4	309	P	13:30:00.40	0.1	1.0	A
SAGMA	HL	29.0	189	P	13:30:00.81	0.1	1.0	A
ATAL	HA	38.7	276	P	13:30:02.07	-0.2	1.0	A
ERTR	HA	39.5	135	P	13:30:02.67	0.3	1.0	A
LKR	HL	40.5	269	P	13:30:02.16	-0.4	1.0	A
DOMV	HA	61.3	224	P	13:30:05.65	-0.3	1.0	A
AOS2	HT	63.7	31	P	13:30:05.85	-0.4	1.0	A
PRDM	HA	68.1	232	P	13:30:06.33	-0.7	1.0	A
AXAR	HA	71.0	280	P	13:30:08.94	1.5	1.0	A
DSF	HP	86.0	252	P	13:30:09.76	-0.1	1.0	A

Solution details

Event:
    Public ID              nkua2026snoa
    Description
      region name: Greece
Origin:
    Date                   2026-09-21
    Time                  13:29:54.78  +/-    1.0 s
    Latitude              38.6569 deg  +/-      3 km
    Longitude             23.4647 deg  +/-      3 km
    Depth                       7 km   +/-    9 km
    Agency                 HA
    Mode                   automatic
    Status                 NOT SET
    Residual RMS             0.53 s
    Azimuthal gap              81 deg

2 Network magnitudes:
    MLv       1.69 +/- 0.20  10            
    M         1.69           10 preferred  

12 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    MRKA  HA    0.1  63  P       13:29:57.73  -0.2 A  1.0  MRKA 
    PSAH  HA    0.2 121  P       13:29:59.36   0.3 A  1.0  PSAH 
    GR23  1Y    0.2 309  P       13:30:00.40   0.1 A  1.0  GR23 
    SAGMA HL    0.3 189  P       13:30:00.81   0.1 A  1.0  SAGMA
    ATAL  HA    0.3 276  P       13:30:02.07  -0.2 A  1.0  ATAL 
    ERTR  HA    0.4 135  P       13:30:02.67   0.3 A  1.0  ERTR 
    LKR   HL    0.4 269  P       13:30:02.16  -0.4 A  1.0  LKR  
    DOMV  HA    0.6 224  P       13:30:05.65  -0.3 A  1.0  DOMV 
    AOS2  HT    0.6  31  P       13:30:05.85  -0.4 A  1.0  AOS2 
    PRDM  HA    0.6 232  P       13:30:06.33  -0.7 A  1.0  PRDM 
    AXAR  HA    0.6 280  P       13:30:08.94   1.5 A  1.0  AXAR 
    DSF   HP    0.8 252  P       13:30:09.76  -0.1 A  1.0  DSF  

12 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    MRKA  HA    0.1  63  MLv     1.96  0.27    3.65379      
    PSAH  HA    0.2 121  MLv     1.42 -0.27   0.713509      
    GR23  1Y    0.2 309  MLv     1.92  0.23    1.43457      
    SAGMA HL    0.3 189  MLv     0.98 -0.71   0.144835      
    ATAL  HA    0.3 276  MLv     1.52 -0.17   0.283623      
    ERTR  HA    0.4 135  MLv     1.63 -0.06   0.347781      
    LKR   HL    0.4 269  MLv     1.75  0.05   0.231379      
    DOMV  HA    0.6 224  MLv     2.13  0.44   0.333382      
    AOS2  HT    0.6  31  MLv     1.69 -0.00   0.117861      
    PRDM  HA    0.6 232  MLv     1.82  0.13   0.150524      
    AXAR  HA    0.6 280  MLv     1.29 -0.40   0.172994      
    DSF   HP    0.8 252  MLv     1.86  0.17   0.133925