M=1.9, 2026-07-23 15:01:40 (GMT), 34.5 km NNW of Chalkida: Event Information

Earthquake Information
Origin Time	2026-07-23 15:01:40 (GMT)
Magnitude	M 1.9
Latitude	38.7494° N
Longitude	23.4451° E
Focal Depth	11 km
# of Arrivals	13
Location	34.5 km NNW of Chalkida 40.2 km ENE of Atalanti 88.8 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	13.2	112	P	15:01:43.39	-0.4	1.0	A
PSAH	HA	26.6	139	P	15:01:45.22	-0.6	1.0	A
ATAL	HA	37.3	260	P	15:01:46.96	-0.5	1.0	A
SAGMA	HL	39.0	184	P	15:01:46.06	-1.6	1.0	A
ERTR	HA	48.3	142	P	15:01:48.22	-0.9	1.0	A
AOS2	HT	56.1	38	P	15:01:51.75	1.4	1.0	A
PRDM	HA	73.7	225	P	15:01:53.51	0.4	1.0	A
ALIO	HA	78.6	165	P	15:01:56.15	2.4	1.0	A
MRTH	HA	82.0	148	P	15:01:54.50	0.2	1.0	A
PTL	HL	86.2	155	P	15:01:55.95	1.0	1.0	A
VLY	HL	104.3	163	P	15:01:57.20	-0.6	1.0	A
KARY	HA	117.6	132	P	15:02:00.83	1.1	1.0	A
SIGR	HT	214.6	75	P	15:02:10.60	-1.9	1.0	A

Solution details

Event:
    Public ID              nkua2026oiaw
    Description
      region name: Greece
Origin:
    Date                   2026-07-23
    Time                  15:01:39.75  +/-    0.5 s
    Latitude              38.7494 deg  +/-      4 km
    Longitude             23.4451 deg  +/-      3 km
    Depth                      11 km   +/-    4 km
    Agency                 HA
    Mode                   automatic
    Status                 NOT SET
    Residual RMS             1.17 s
    Azimuthal gap             137 deg

2 Network magnitudes:
    MLv       1.93 +/- 0.23   8            
    M         1.93            8 preferred  

13 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    MRKA  HA    0.1 112  P       15:01:43.39  -0.4 A  1.0  MRKA 
    PSAH  HA    0.2 139  P       15:01:45.22  -0.6 A  1.0  PSAH 
    ATAL  HA    0.3 260  P       15:01:46.96  -0.5 A  1.0  ATAL 
    SAGMA HL    0.4 184  P       15:01:46.06  -1.6 A  1.0  SAGMA
    ERTR  HA    0.4 142  P       15:01:48.22  -0.9 A  1.0  ERTR 
    AOS2  HT    0.5  38  P       15:01:51.75   1.4 A  1.0  AOS2 
    PRDM  HA    0.7 225  P       15:01:53.51   0.4 A  1.0  PRDM 
    ALIO  HA    0.7 165  P       15:01:56.15   2.4 A  1.0  ALIO 
    MRTH  HA    0.7 148  P       15:01:54.50   0.2 A  1.0  MRTH 
    PTL   HL    0.8 155  P       15:01:55.95   1.0 A  1.0  PTL  
    VLY   HL    0.9 163  P       15:01:57.20  -0.6 A  1.0  VLY  
    KARY  HA    1.1 132  P       15:02:00.83   1.1 A  1.0  KARY 
    SIGR  HT    1.9  75  P       15:02:10.60  -1.9 A  1.0  SIGR 

10 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    MRKA  HA    0.1 112  MLv     1.91 -0.02    3.01525      
    PSAH  HA    0.2 139  MLv     1.72 -0.21   0.892259      
    ATAL  HA    0.3 260  MLv     1.63 -0.30   0.396027      
    SAGMA HL    0.4 184  MLv     1.23 -0.70   0.141875      
    ERTR  HA    0.4 142  MLv     1.86 -0.07   0.355527      
    AOS2  HT    0.5  38  MLv     2.06  0.13   0.360341      
    PRDM  HA    0.7 225  MLv     1.79 -0.13   0.133094      
    ALIO  HA    0.7 165  MLv     2.59  0.66    0.78412      
    MRTH  HA    0.7 148  MLv     2.40  0.47   0.484873      
    PTL   HL    0.8 155  MLv     2.10  0.17   0.232329