M=1.6, 2025-03-31 00:45:03 (GMT), 57.3 km NNE of Kilkis: Event Information

Earthquake Information
Origin Time	2025-03-31 00:45:03 (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 1.6
Latitude	41.4953° N
Longitude	23.0185° E
Focal Depth	4 km
# of Arrivals	10
Location	57.3 km NNE of Kilkis 63.6 km NW of Serres 395.3 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
MK04A	1Y	13.7	232	P	00:45:06.51	0.0	1.0	A
GR01	1Y	32.6	136	P	00:45:09.44	-0.2	1.0	A
KKB	BS	39.6	13	P	00:45:10.70	-0.1	1.0	A
MMB	BS	61.1	84	P	00:45:14.51	0.2	1.0	A
SRS	HT	63.9	132	P	00:45:15.61	0.7	1.0	A
NVR	HL	72.5	103	P	00:45:15.93	-0.3	1.0	A
SOH	HT	80.2	159	P	00:45:17.17	-0.3	1.0	A
GR23	1Y	299.4	177	P	00:45:48.56	1.1	1.0	A
RLS	HL	404.8	200	P	00:46:01.40	1.0	1.0	A
ARS1	HI	430.0	183	P	00:46:01.44	-2.1	1.0	A

Solution details

Event:
    Public ID              nkua2025ggrg
    Description
      region name: Greece Bulgaria Border Region
Origin:
    Date                   2025-03-31
    Time                  00:45:03.45  +/-    0.5 s
    Latitude              41.4953 deg  +/-      4 km
    Longitude             23.0185 deg  +/-      4 km
    Depth                       4 km   +/-    4 km
    Agency                 HA
    Mode                   automatic
    Status                 NOT SET
    Residual RMS             0.86 s
    Azimuthal gap             141 deg

2 Network magnitudes:
    MLv       1.55 +/- 0.98   8            
    M         1.55            8 preferred  

10 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    MK04A 1Y    0.1 232  P       00:45:06.51   0.0 A  1.0  MK04A
    GR01  1Y    0.3 136  P       00:45:09.44  -0.2 A  1.0  GR01 
    KKB   BS    0.4  13  P       00:45:10.70  -0.1 A  1.0  KKB  
    MMB   BS    0.5  84  P       00:45:14.51   0.2 A  1.0  MMB  
    SRS   HT    0.6 132  P       00:45:15.61   0.7 A  1.0  SRS  
    NVR   HL    0.7 103  P       00:45:15.93  -0.3 A  1.0  NVR  
    SOH   HT    0.7 159  P       00:45:17.17  -0.3 A  1.0  SOH  
    GR23  1Y    2.7 177  P       00:45:48.56   1.1 A  1.0  GR23 
    RLS   HL    3.6 200  P       00:46:01.40   1.0 A  1.0  RLS  
    ARS1  HI    3.9 183  P       00:46:01.44  -2.1 A  1.0  ARS1 

10 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    MK04A 1Y    0.1 232  MLv     0.79 -0.76    0.22428      
    GR01  1Y    0.3 136  MLv     0.80 -0.75   0.077476      
    KKB   BS    0.4  13  MLv     0.80 -0.75   0.0514718      
    MMB   BS    0.5  84  MLv     1.04 -0.51   0.0272092      
    SRS   HT    0.6 132  MLv     1.17 -0.39   0.0247737      
    NVR   HL    0.7 103  MLv     1.27 -0.29   0.0297736      
    SOH   HT    0.7 159  MLv     1.21 -0.35   0.0322209      
    GR23  1Y    2.7 177  MLv     3.12  1.56   0.210417      
    RLS   HL    3.6 200  MLv     3.27  1.72   0.0914693      
    ARS1  HI    3.9 183  MLv     4.22  2.66   0.711457