M=1.7, 2025-03-31 03:15:58 (GMT), 90.9 km NNW of Serres: Event Information

Earthquake Information
Origin Time	2025-03-31 03:15:58 (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 1.7
Latitude	41.8577° N
Longitude	23.1912° E
Focal Depth	2 km
# of Arrivals	14
Location	90.9 km NNW of Serres 99.9 km NNE of Kilkis 433.3 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
KKB	BS	5.5	251	P	03:15:59.38	-0.5	1.0	A
MK04A	1Y	54.9	207	P	03:16:08.08	-0.1	1.0	A
MMB	BS	57.8	127	P	03:16:07.60	-1.1	1.0	A
GR01	1Y	64.2	173	P	03:16:09.79	0.1	1.0	A
NVR	HL	79.7	135	P	03:16:11.42	-0.9	1.0	A
SRS	HT	89.5	158	P	03:16:13.51	-0.6	1.0	A
SOH	HT	116.1	173	P	03:16:19.29	0.9	1.0	A
PRAS	HL	126.2	116	P	03:16:18.93	-1.0	1.0	A
KOKK	HT	133.9	149	P	03:16:20.87	-0.1	1.0	A
KAVA	HT	146.1	131	P	03:16:23.27	0.5	1.0	A
OUR	HT	181.9	158	P	03:16:28.51	0.7	1.0	A
THAS	HT	188.9	137	P	03:16:29.74	1.0	1.0	A
RDO	HL	210.7	111	P	03:16:32.90	1.2	1.0	A
PAIG	HT	217.5	169	P	03:16:32.35	-0.2	1.0	A

Solution details

Event:
    Public ID              nkua2025ggwg
    Description
      region name: Greece Bulgaria Border Region
Origin:
    Date                   2025-03-31
    Time                  03:15:58.49  +/-    0.9 s
    Latitude              41.8577 deg  +/-      7 km
    Longitude             23.1912 deg  +/-      3 km
    Depth                       2 km
    Agency                 HA
    Mode                   automatic
    Status                 NOT SET
    Residual RMS             0.74 s
    Azimuthal gap             220 deg

2 Network magnitudes:
    MLv       1.70 +/- 0.20   6            
    M         1.70            6 preferred  

14 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    KKB   BS    0.0 251  P       03:15:59.38  -0.5 A  1.0  KKB  
    MK04A 1Y    0.5 207  P       03:16:08.08  -0.1 A  1.0  MK04A
    MMB   BS    0.5 127  P       03:16:07.60  -1.1 A  1.0  MMB  
    GR01  1Y    0.6 173  P       03:16:09.79   0.1 A  1.0  GR01 
    NVR   HL    0.7 135  P       03:16:11.42  -0.9 A  1.0  NVR  
    SRS   HT    0.8 158  P       03:16:13.51  -0.6 A  1.0  SRS  
    SOH   HT    1.0 173  P       03:16:19.29   0.9 A  1.0  SOH  
    PRAS  HL    1.1 116  P       03:16:18.93  -1.0 A  1.0  PRAS 
    KOKK  HT    1.2 149  P       03:16:20.87  -0.1 A  1.0  KOKK 
    KAVA  HT    1.3 131  P       03:16:23.27   0.5 A  1.0  KAVA 
    OUR   HT    1.6 158  P       03:16:28.51   0.7 A  1.0  OUR  
    THAS  HT    1.7 137  P       03:16:29.74   1.0 A  1.0  THAS 
    RDO   HL    1.9 111  P       03:16:32.90   1.2 A  1.0  RDO  
    PAIG  HT    2.0 169  P       03:16:32.35  -0.2 A  1.0  PAIG 

6 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    KKB   BS    0.0 251  MLv     1.28 -0.43    1.09344      
    MK04A 1Y    0.5 207  MLv     1.82  0.11   0.221177      
    MMB   BS    0.5 127  MLv     1.62 -0.08   0.120225      
    GR01  1Y    0.6 173  MLv     1.55 -0.16   0.0841533      
    NVR   HL    0.7 135  MLv     2.09  0.39    0.18224      
    SRS   HT    0.8 158  MLv     1.83  0.13   0.0862397