M=1.2, 2026-09-21 03:42:42 (GMT), 29.3 km NNW of Chalkida: Event Information

Earthquake Information
Origin Time	2026-09-21 03:42:42 (GMT)
Magnitude	M 1.2
Latitude	38.6900° N
Longitude	23.4259° E
Focal Depth	2 km
# of Arrivals	10
Location	29.3 km NNW of Chalkida 37.3 km E of Atalanti 83.0 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	14.0	83	P	03:42:44.13	-0.4	1.0	A
PSAH	HA	23.4	125	P	03:42:46.53	0.4	1.0	A
SAGMA	HL	32.3	182	P	03:42:47.12	-0.5	1.0	A
ATAL	HA	35.1	271	P	03:42:47.17	-1.0	1.0	A
LKR	HL	37.4	263	P	03:42:47.50	-1.0	1.0	A
ERTR	HA	44.5	135	P	03:42:49.84	0.2	1.0	A
VILL	HA	59.3	190	P	03:42:52.45	0.3	1.0	A
AOS2	HT	62.4	35	P	03:42:52.78	0.1	1.0	A
AXAR	HA	67.1	278	P	03:42:55.22	1.7	1.0	A
PRDM	HA	67.9	228	P	03:42:54.03	0.4	1.0	A

Solution details

Event:
    Public ID              nkua2026smuq
    Description
      region name: Greece
Origin:
    Date                   2026-09-21
    Time                  03:42:41.76  +/-    0.4 s
    Latitude              38.6900 deg  +/-      3 km
    Longitude             23.4259 deg  +/-      2 km
    Depth                       2 km
    Agency                 HA
    Mode                   automatic
    Status                 NOT SET
    Residual RMS             0.75 s
    Azimuthal gap             118 deg

2 Network magnitudes:
    MLv       1.21 +/- 0.17   8            
    M         1.21            8 preferred  

10 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    MRKA  HA    0.1  83  P       03:42:44.13  -0.4 A  1.0  MRKA 
    PSAH  HA    0.2 125  P       03:42:46.53   0.4 A  1.0  PSAH 
    SAGMA HL    0.3 182  P       03:42:47.12  -0.5 A  1.0  SAGMA
    ATAL  HA    0.3 271  P       03:42:47.17  -1.0 A  1.0  ATAL 
    LKR   HL    0.3 263  P       03:42:47.50  -1.0 A  1.0  LKR  
    ERTR  HA    0.4 135  P       03:42:49.84   0.2 A  1.0  ERTR 
    VILL  HA    0.5 190  P       03:42:52.45   0.3 A  1.0  VILL 
    AOS2  HT    0.6  35  P       03:42:52.78   0.1 A  1.0  AOS2 
    AXAR  HA    0.6 278  P       03:42:55.22   1.7 A  1.0  AXAR 
    PRDM  HA    0.6 228  P       03:42:54.03   0.4 A  1.0  PRDM 

10 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    MRKA  HA    0.1  83  MLv     1.14 -0.07   0.487677      
    PSAH  HA    0.2 125  MLv     1.00 -0.21   0.205648      
    SAGMA HL    0.3 182  MLv     0.59 -0.62   0.0487702      
    ATAL  HA    0.3 271  MLv     1.19 -0.02   0.164177      
    LKR   HL    0.3 263  MLv     1.42  0.21   0.131557      
    ERTR  HA    0.4 135  MLv     1.14 -0.07   0.0854704      
    VILL  HA    0.5 190  MLv     1.41  0.20   0.0679003      
    AOS2  HT    0.6  35  MLv     1.37  0.16   0.0575132      
    AXAR  HA    0.6 278  MLv     1.02 -0.19   0.0956851      
    PRDM  HA    0.6 228  MLv     1.41  0.20   0.0591402