M=1.5, 2026-06-21 01:36:47 (GMT), 36.7 km NNW of Chalkida: Event Information

Earthquake Information
Origin Time	2026-06-21 01:36:47 (GMT)
Magnitude	M 1.5
Latitude	38.7600° N
Longitude	23.4137° E
Focal Depth	3 km
# of Arrivals	12
Location	36.7 km NNW of Chalkida 38.0 km ENE of Atalanti 90.7 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	16.2	112	P	01:36:50.08	-0.4	1.0	A
GR23	1Y	16.9	288	P	01:36:51.07	0.5	1.0	A
PSAH	HA	29.3	136	P	01:36:52.22	-0.5	1.0	A
ATAL	HA	34.9	258	P	01:36:53.15	-0.5	1.0	A
LKR	HL	38.0	251	P	01:36:53.05	-1.1	1.0	A
SAGMA	HL	40.0	180	P	01:36:55.01	0.5	1.0	A
ACHL	HT	48.1	305	P	01:36:56.45	0.6	1.0	A
ERTR	HA	50.9	140	P	01:36:55.52	-0.8	1.0	A
AOS2	HT	56.9	41	P	01:36:57.83	0.5	1.0	A
VILL	HA	66.8	188	P	01:36:59.61	0.7	1.0	A
MRTH	HA	84.5	147	P	01:37:02.79	0.9	1.0	A
OUR	HT	181.7	15	P	01:37:15.67	-0.6	1.0	A

Solution details

Event:
    Public ID              nkua2026maof
    Description
      region name: Greece
Origin:
    Date                   2026-06-21
    Time                  01:36:47.16  +/-    0.5 s
    Latitude              38.7600 deg  +/-      3 km
    Longitude             23.4137 deg  +/-      3 km
    Depth                       3 km   +/-    6 km
    Agency                 HA
    Mode                   automatic
    Status                 NOT SET
    Residual RMS             0.66 s
    Azimuthal gap              72 deg

2 Network magnitudes:
    MLv       1.52 +/- 0.23   9            
    M         1.52            9 preferred  

12 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    MRKA  HA    0.1 112  P       01:36:50.08  -0.4 A  1.0  MRKA 
    GR23  1Y    0.2 288  P       01:36:51.07   0.5 A  1.0  GR23 
    PSAH  HA    0.3 136  P       01:36:52.22  -0.5 A  1.0  PSAH 
    ATAL  HA    0.3 258  P       01:36:53.15  -0.5 A  1.0  ATAL 
    LKR   HL    0.3 251  P       01:36:53.05  -1.1 A  1.0  LKR  
    SAGMA HL    0.4 180  P       01:36:55.01   0.5 A  1.0  SAGMA
    ACHL  HT    0.4 305  P       01:36:56.45   0.6 A  1.0  ACHL 
    ERTR  HA    0.5 140  P       01:36:55.52  -0.8 A  1.0  ERTR 
    AOS2  HT    0.5  41  P       01:36:57.83   0.5 A  1.0  AOS2 
    VILL  HA    0.6 188  P       01:36:59.61   0.7 A  1.0  VILL 
    MRTH  HA    0.8 147  P       01:37:02.79   0.9 A  1.0  MRTH 
    OUR   HT    1.6  15  P       01:37:15.67  -0.6 A  1.0  OUR  

11 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    MRKA  HA    0.1 112  MLv     1.50 -0.01   0.997256      
    GR23  1Y    0.2 288  MLv     1.33 -0.19    0.64435      
    PSAH  HA    0.3 136  MLv     1.26 -0.26   0.266133      
    ATAL  HA    0.3 258  MLv     1.69  0.17   0.520922      
    LKR   HL    0.3 251  MLv     1.59  0.07   0.185291      
    SAGMA HL    0.4 180  MLv     0.87 -0.64   0.0592198      
    ACHL  HT    0.4 305  MLv     1.08 -0.44   0.0596525      
    ERTR  HA    0.5 140  MLv     1.64  0.13   0.186384      
    AOS2  HT    0.5  41  MLv     1.65  0.13   0.132712      
    VILL  HA    0.6 188  MLv     1.89  0.37   0.178323      
    MRTH  HA    0.8 147  MLv     1.98  0.47   0.182838