M=1.3, 2025-04-07 01:33:25 (GMT), 52.5 km N of Serres: Event Information

Earthquake Information
Origin Time	2025-04-07 01:33:25 (GMT)	+− ESRI Topo ESRI Ocean ESRI Satellite Google Hybrid Google Satellite Google Terrain Google Streets Stm Terrain ESRI Street ESRI Sh.Relief OSM HOT OpenTopo 10 km 5 mi Leaflet \| Tiles © Esri
Magnitude	M 1.3
Latitude	41.5502° N
Longitude	23.4373° E
Focal Depth	10 km
# of Arrivals	10
Location	52.5 km N of Serres 73.3 km NW of Drama 397.4 km N 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
MMB	BS	26.0	91	P	01:33:29.23	-1.1	1.0	A
GR01	1Y	31.9	203	P	01:33:31.08	-0.1	1.0	A
KKB	BS	41.3	322	P	01:33:32.56	-0.1	1.0	A
NVR	HL	42.1	122	P	01:33:31.74	-1.1	1.0	A
MK04A	1Y	48.0	252	P	01:33:33.91	0.2	1.0	A
SRS	HT	50.6	165	P	01:33:33.20	-1.0	1.0	A
KOKK	HT	94.0	150	P	01:33:41.50	0.6	1.0	A
PRAS	HL	95.3	103	P	01:33:40.88	-0.3	1.0	A
KAVA	HT	109.0	124	P	01:33:43.90	0.6	1.0	A
GR05	1Y	196.1	112	P	01:33:57.29	2.3	1.0	A

Solution details

Event:
    Public ID              nkua2025gtnj
    Description
      region name: Greece Bulgaria Border Region
Origin:
    Date                   2025-04-07
    Time                  01:33:24.50  +/-    0.4 s
    Latitude              41.5502 deg  +/-      4 km
    Longitude             23.4373 deg  +/-      3 km
    Depth                      10 km
    Agency                 HA
    Mode                   automatic
    Status                 NOT SET
    Residual RMS             0.97 s
    Azimuthal gap             129 deg

2 Network magnitudes:
    MLv       1.32 +/- 0.16   6            
    M         1.32            6 preferred  

10 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    MMB   BS    0.2  91  P       01:33:29.23  -1.1 A  1.0  MMB  
    GR01  1Y    0.3 203  P       01:33:31.08  -0.1 A  1.0  GR01 
    KKB   BS    0.4 322  P       01:33:32.56  -0.1 A  1.0  KKB  
    NVR   HL    0.4 122  P       01:33:31.74  -1.1 A  1.0  NVR  
    MK04A 1Y    0.4 252  P       01:33:33.91   0.2 A  1.0  MK04A
    SRS   HT    0.5 165  P       01:33:33.20  -1.0 A  1.0  SRS  
    KOKK  HT    0.8 150  P       01:33:41.50   0.6 A  1.0  KOKK 
    PRAS  HL    0.9 103  P       01:33:40.88  -0.3 A  1.0  PRAS 
    KAVA  HT    1.0 124  P       01:33:43.90   0.6 A  1.0  KAVA 
    GR05  1Y    1.8 112  P       01:33:57.29   2.3 A  1.0  GR05 

6 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    MMB   BS    0.2  91  MLv     0.95 -0.38   0.157165      
    GR01  1Y    0.3 203  MLv     1.21 -0.11   0.207511      
    KKB   BS    0.4 322  MLv     1.37  0.04   0.171203      
    NVR   HL    0.4 122  MLv     1.36  0.04   0.120522      
    MK04A 1Y    0.4 252  MLv     1.35  0.03   0.112066      
    SRS   HT    0.5 165  MLv     1.69  0.36   0.146937