RsniPicker2 Automatic Earthquake Location

AUTOMATIC Location - Area: Alpi Cozie , magnitude (M_L): 0.1
2025-08-08 03:52:39 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-08-08 03:55:03

Earthquake info - RsniPicker₂ automatic location

Event - ID :	250808035012
Magnitude (M_L) :	0.1 +/- 0.2
Origin Time :	2025-08-08 03:52:39.299 (UTC)
Location :	Latitude: 44.510 N, Longitude: 7.121 E
Area :	Alpi Cozie
Depth (km) :	6.15
Distances (km) :	0.5 --- Stroppo (CN) 4.3 --- Elva (CN) 4.7 --- Macra (CN) 5.5 --- Celle di Macra (CN) 6.0 --- Prazzo (CN) 6.0 --- Marmora (CN) 6.6 --- Canosio (CN) 9.5 --- Sampeyre (CN) 9.9 --- Casteldelfino (CN) 10.9 --- San Damiano Macra (CN) 11.1 --- Acceglio (CN) 11.5 --- Bellino (CN) 13.3 --- Castelmagno (CN) 13.7 --- Cartignano (CN) 14.1 --- Frassino (CN) 14.6 --- Pontechianale (CN) 16.1 --- Pradleves (CN) 16.8 --- Melle (CN) 17.9 --- Roccabruna (CN) 18.3 --- Valmala (CN)

Quality location estimate:
Erh: 5.3 km, Erz: 4.9 km, Nf: 8, Gap: 125°, Rms: 0.155 s
Stazioni validate: 5

RsniPicker₂ - Automatic location results

Station	Net	P arrival times	P pick err	P pick weight	P res	Nll weight	S arrival time	S pick err	S pick weight	S res	Nll weight	Dist.
PZZ	GU	2025-08-08 03:52:40.910	0.003	0	0.00	1.72	2025-08-08 03:52:41.560	0.017	0	-0.52	0.28	6.2
SURF	FR	2025-08-08 03:52:44.450	0.013	0	-0.01	1.71	2025-08-08 03:52:47.549	0.075	1	-0.72	0.20	25.4
STV	GU	--:--	-.---	-	-.--	-.--	2025-08-08 03:52:49.970	0.106	2	-0.04	1.10	34.2
BHB	GU	2025-08-08 03:52:46.380	0.019	0	0.01	1.57	2025-08-08 03:52:51.131	0.306	2	-0.12	0.73	38.4
ENR	GU	--:--	-.---	-	-.--	-.--	2025-08-08 03:52:51.220	0.320	2	-0.23	0.69	39.6

RsniPicker₂ - Automatic magnitude (M_L) calculation results

Station	Net	Stat. Mag.	Wood-And. Ampl.	Dist. (km)	Azimuth	Used
PZZ	GU	0.10	4.92e-1	6.2	231	SI
STV	GU	-0.20	3.88e-3	34.2	151	SI
BHB	GU	0.20	1.01e-2	38.4	17	SI
ENR	GU	0.20	1.51e-2	39.6	143	SI

Results of PGA, PGV, IH, spectral amplitudes (SA) values calculation

Station

Net

Channel

PGA
(g)

PGV
(m/s)

PGD
(m)

IH 0*
(m)

IH 1*
(m)

IH 2*
(m)

Sa(T=0.10)
(g)

Sa(T=0.30)
(g)

Sa(T=1.00)
(g)

Sa(T=3.00)
(g)

Dist.
(km)

Azim.
(°)

PZZ

HHZ

5.3873e-5

7.3932e-6

0.0000e+0

3.7336e-6

7.3303e-6

1.0815e-5

5.4895e-5

1.0675e-5

5.7471e-7

1.4533e-7

6.2

231

PZZ

HHN

8.6349e-5

1.1253e-5

0.0000e+0

3.0536e-6

5.5639e-6

6.8852e-5

8.1592e-6

6.7850e-7

9.7422e-8

6.2

231

PZZ

HHE

5.8587e-5

8.7663e-6

0.0000e+0

3.9257e-6

7.3050e-6

1.0443e-5

8.8069e-5

1.3724e-5

6.3158e-7

1.4515e-7

6.2

231

STV

HHZ

7.5451e-7

8.1966e-8

0.0000e+0

3.8241e-8

7.4659e-8

1.0764e-7

7.8344e-7

9.5881e-8

1.1858e-8

1.9904e-9

34.2

151

STV

HHN

8.4831e-7

9.5222e-8

0.0000e+0

3.0779e-8

5.8358e-8

8.8924e-7

9.6452e-8

1.0795e-8

1.9295e-9

34.2

151

STV

HHE

7.2655e-7

7.6416e-8

0.0000e+0

3.9658e-8

7.4217e-8

1.0703e-7

9.9624e-7

1.2991e-7

9.5715e-9

1.6280e-9

34.2

151

BHB

HHZ

1.8038e-6

2.4480e-7

0.0000e+0

1.3596e-7

2.5883e-7

3.7357e-7

4.0147e-6

3.3201e-7

2.7047e-8

4.9248e-9

38.4

BHB

HHN

1.1672e-6

1.8637e-7

0.0000e+0

1.0527e-7

2.1185e-7

2.7454e-6

3.0330e-7

2.7696e-8

4.4442e-9

38.4

BHB

HHE

1.9480e-6

2.1070e-7

0.0000e+0

1.1411e-7

2.1550e-7

3.1431e-7

2.9047e-6

2.8687e-7

2.3654e-8

4.2230e-9

38.4

ENR

HHZ

2.1958e-6

2.2572e-7

0.0000e+0

1.0752e-7

2.0578e-7

2.9829e-7

3.4476e-6

1.7686e-7

2.6373e-8

5.1440e-9

39.6

143

ENR

HHN

3.9011e-6

3.6680e-7

0.0000e+0

1.5992e-7

3.3582e-7

3.9487e-6

3.0763e-7

3.5515e-8

7.4464e-9

39.6

143

ENR

HHE

3.5692e-6

3.0224e-7

0.0000e+0

1.5715e-7

2.9349e-7

4.2750e-7

5.3197e-6

2.6743e-7

3.4536e-8

7.0687e-9

39.6

143

*IH (Housner Intensity) calculated on the velocity spectrum (SV) between 0.1 and 0.5 s (IH0), 0.1 and 1.0 s (IH1), 0.1 and 1.5 s (IH2)

AUTOMATIC Location - Area: Alpi Cozie , magnitude (ML): 0.1 2025-08-08 03:52:39 (UTC)

AUTOMATIC Location - Area: Alpi Cozie , magnitude (M_L): 0.1
2025-08-08 03:52:39 (UTC)