M=1.6, 2026-03-21 23:31:09 (GMT), 5.2 km NNW of Grevena: Event Information

Earthquake Information
Origin Time	2026-03-21 23:31:09 (GMT)
Magnitude	M 1.6
Latitude	40.1271° N
Longitude	21.3955° E
Focal Depth	16 km
# of Arrivals	10
Location	5.2 km NNW of Grevena 35.6 km SW of Kozani 312.3 km NW 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
KPRO	HT	19.3	188	P	23:31:14.85	0.2	1.0	A
PENT	HL	23.2	289	P	23:31:15.07	-0.1	1.0	A
GR15	1Y	36.2	235	P	23:31:17.05	0.0	1.0	A
GR10	1Y	43.0	23	P	23:31:17.97	-0.1	1.0	A
NEST	HT	43.4	318	P	23:31:18.17	0.0	1.0	A
GR16	1Y	47.1	101	P	23:31:18.65	0.0	1.0	A
THL	HL	81.9	140	P	23:31:23.38	-0.4	1.0	A
TYRN	HT	85.1	123	P	23:31:24.37	0.2	1.0	A
TETR	HL	87.6	187	P	23:31:24.60	0.0	1.0	A
GR07	1Y	90.2	36	P	23:31:25.13	0.2	1.0	A

Solution details

Event:
    Public ID              nkua2026fqdh
    Description
      region name: Greece
Origin:
    Date                   2026-03-21
    Time                  23:31:09.06  +/-    0.5 s
    Latitude              40.1271 deg  +/-      3 km
    Longitude             21.3955 deg  +/-      4 km
    Depth                      16 km   +/-    7 km
    Agency                 HA
    Mode                   automatic
    Status                 NOT SET
    Residual RMS             0.17 s
    Azimuthal gap              66 deg

2 Network magnitudes:
    MLv       1.65 +/- 0.21   8            
    M         1.65            8 preferred  

10 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    KPRO  HT    0.2 188  P       23:31:14.85   0.2 A  1.0  KPRO 
    PENT  HL    0.2 289  P       23:31:15.07  -0.1 A  1.0  PENT 
    GR15  1Y    0.3 235  P       23:31:17.05  -0.0 A  1.0  GR15 
    GR10  1Y    0.4  23  P       23:31:17.97  -0.1 A  1.0  GR10 
    NEST  HT    0.4 318  P       23:31:18.17   0.0 A  1.0  NEST 
    GR16  1Y    0.4 101  P       23:31:18.65  -0.0 A  1.0  GR16 
    THL   HL    0.7 140  P       23:31:23.38  -0.4 A  1.0  THL  
    TYRN  HT    0.8 123  P       23:31:24.37   0.2 A  1.0  TYRN 
    TETR  HL    0.8 187  P       23:31:24.60   0.0 A  1.0  TETR 
    GR07  1Y    0.8  36  P       23:31:25.13   0.2 A  1.0  GR07 

10 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    KPRO  HT    0.2 188  MLv     1.19 -0.46   0.403852      
    PENT  HL    0.2 289  MLv     1.21 -0.45   0.260527      
    GR15  1Y    0.3 235  MLv     1.59 -0.06   0.389787      
    GR10  1Y    0.4  23  MLv     1.67  0.02   0.315805      
    NEST  HT    0.4 318  MLv     1.90  0.25   0.522616      
    GR16  1Y    0.4 101  MLv     1.46 -0.20   0.150941      
    THL   HL    0.7 140  MLv     1.80  0.15   0.075017      
    TYRN  HT    0.8 123  MLv     1.96  0.30   0.132026      
    TETR  HL    0.8 187  MLv     1.79  0.13   0.111815      
    GR07  1Y    0.8  36  MLv     1.75  0.10   0.0998215