RsniPicker2 Automatic Earthquake Location

AUTOMATIC Location - Area: Alpi Cozie , magnitude (M_L): 0.4
2026-05-24 17:12:04 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2026-05-24 17:16:25

Earthquake info - RsniPicker₂ automatic location

Event - ID :	260524171131
Magnitude (M_L) :	0.4 +/- 0.3
Origin Time :	2026-05-24 17:12:04.33 (UTC)
Location :	Latitude: 44.357 N, Longitude: 7.331 E
Area :	Alpi Cozie
Depth (km) :	9.23
Distances (km) :	3.9 --- Valloriate (CN) 5.3 --- Demonte (CN) 5.5 --- Rittana (CN) 5.8 --- Monterosso Grana (CN) 6.1 --- Moiola (CN) 6.4 --- Gaiola (CN) 7.2 --- Valgrana (CN) 8.0 --- Pradleves (CN) 8.9 --- Roccasparvera (CN) 8.9 --- Bernezzo (CN) 9.6 --- Montemale di Cuneo (CN) 10.1 --- Aisone (CN) 10.2 --- Valdieri (CN) 10.3 --- Caraglio (CN) 11.1 --- Vignolo (CN) 11.1 --- Castelmagno (CN) 11.3 --- Cervasca (CN) 12.6 --- Dronero (CN) 12.8 --- Borgo San Dalmazzo (CN) 12.8 --- Roccavione (CN)

Quality location estimate:
Erh: 1.3 km, Erz: 2 km, Nf: 18, Gap: 83°, Rms: 0.303 s
Stazioni validate: 11

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.
STV	GU	2026-05-24 17:12:07.430	0.010	0	-0.02	1.46	2026-05-24 17:12:09.210	0.047	0	-0.39	1.22	15.5
ENR	GU	2026-05-24 17:12:07.960	0.011	0	0.05	1.29	2026-05-24 17:12:10.290	0.055	1	-0.10	1.23	18.3
ISO	FR	2026-05-24 17:12:10.200	0.053	1	0.06	1.19	2026-05-24 17:12:13.650	0.094	1	-0.40	1.18	31.0
SURF	FR	2026-05-24 17:12:12.170	0.023	0	-0.47	1.14	2026-05-24 17:12:17.680	0.133	2	-0.94	0.31	44.3
SAOF	FR	--:--	-.---	-	-.--	-.--	2026-05-24 17:12:17.948	0.155	2	-1.06	0.25	45.8
MGRO	GU	2026-05-24 17:12:13.650	0.027	0	-0.43	1.21	2026-05-24 17:12:20.370	0.158	2	-0.62	0.78	52.5
MVIF	FR	--:--	-.---	-	-.--	-.--	2026-05-24 17:12:20.200	0.429	2	-1.58	0.11	54.0
BHB	GU	--:--	-.---	-	-.--	-.--	2026-05-24 17:12:19.770	0.248	2	-0.32	1.11	54.2
ESCA	FR	--:--	-.---	-	-.--	-.--	2026-05-24 17:12:22.309	0.179	2	-0.47	1.01	59.4
IMI	GU	2026-05-24 17:12:16.139	0.034	0	-0.09	1.27	2026-05-24 17:12:24.479	0.216	2	-0.20	1.12	67.6
PCP	GU	2026-05-24 17:12:21.219	0.053	1	-0.06	1.20	2026-05-24 17:12:33.169	0.296	2	-0.12	0.92	99.0

RsniPicker₂ - Automatic magnitude (M_L) calculation results

Station	Net	Stat. Mag.	Wood-And. Ampl.	Dist. (km)	Azimuth	Used
STV	GU	0.10	3.40e-2	15.5	182	SI
ENR	GU	0.90	3.62e-1	18.3	154	SI
ISO	FR	0.30	2.58e-2	31.0	229	SI
SAOF	FR	0.00	5.95e-3	45.8	156	SI
MGRO	GU	0.30	8.53e-3	52.5	132	SI
BHB	GU	0.40	9.91e-3	54.2	354	SI
IMI	GU	0.60	1.47e-2	67.6	138	SI
PCP	GU	0.70	5.75e-3	99.0	78	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.
(°)

STV

HHZ

1.0962e-5

8.2437e-7

0.0000e+0

1.3377e-7

2.5621e-7

3.8069e-7

2.8017e-6

2.5487e-7

2.4247e-8

5.5257e-9

15.5

182

STV

HHN

1.4411e-5

1.0886e-6

0.0000e+0

1.1035e-7

2.1024e-7

3.3040e-6

3.0987e-7

2.2184e-8

4.3538e-9

15.5

182

STV

HHE

9.9565e-6

5.3519e-7

0.0000e+0

2.0495e-7

3.9707e-7

5.8643e-7

4.2806e-6

3.7210e-7

3.5338e-8

8.4557e-9

15.5

182

ENR

HHZ

3.0492e-5

2.2319e-6

0.0000e+0

4.8084e-7

9.7138e-7

1.4610e-6

1.6484e-5

7.9775e-7

8.3374e-8

2.2416e-8

18.3

154

ENR

HHN

1.0579e-4

1.1124e-5

0.0000e+0

1.3100e-6

2.6405e-6

3.5129e-5

1.8310e-6

2.3861e-7

6.7204e-8

18.3

154

ENR

HHE

1.0350e-4

9.9541e-6

0.0000e+0

1.2620e-6

2.5516e-6

3.8272e-6

3.1593e-5

1.6795e-6

2.0228e-7

5.9227e-8

18.3

154

ISO

HHZ

4.0876e-6

3.9010e-7

0.0000e+0

5.1760e-8

1.0686e-7

1.5783e-7

1.5867e-6

2.0825e-7

1.4161e-8

1.9374e-9

31.0

229

ISO

HHN

5.4056e-6

4.7157e-7

0.0000e+0

8.5736e-8

1.5894e-7

2.9108e-6

2.1635e-7

2.2909e-8

4.1800e-9

31.0

229

ISO

HHE

9.7312e-6

9.0839e-7

0.0000e+0

6.0242e-8

1.1557e-7

1.7214e-7

1.6219e-6

1.8078e-7

1.6291e-8

2.4333e-9

31.0

229

SAOF

HHE

9.7312e-6

9.0839e-7

0.0000e+0

6.0242e-8

1.1557e-7

1.7214e-7

1.6219e-6

1.8078e-7

1.6291e-8

2.4333e-9

45.8

156

MGRO

HHZ

3.0233e-7

4.7055e-8

0.0000e+0

3.4571e-8

6.1401e-8

8.5604e-8

7.0013e-7

1.1910e-7

3.2614e-8

2.9596e-9

52.5

132

MGRO

HHN

4.9295e-7

1.0353e-7

0.0000e+0

5.3182e-8

1.0313e-7

1.0566e-6

2.5346e-7

3.2723e-8

2.8779e-9

52.5

132

MGRO

HHE

4.5210e-7

6.0971e-8

0.0000e+0

4.7700e-8

8.1327e-8

1.1038e-7

7.6632e-7

3.2768e-7

2.4296e-8

2.6976e-9

52.5

132

BHB

HHZ

1.1889e-6

1.4964e-7

0.0000e+0

7.8877e-8

1.9225e-7

3.0297e-7

2.9311e-6

2.2960e-7

2.9692e-7

7.1370e-9

54.2

354

BHB

HHN

1.1067e-6

1.4330e-7

0.0000e+0

8.4541e-8

1.5861e-7

2.2942e-6

3.4575e-7

1.4919e-7

3.8144e-9

54.2

354

BHB

HHE

1.2781e-6

1.3623e-7

0.0000e+0

8.8331e-8

1.7347e-7

2.5796e-7

2.7059e-6

2.9797e-7

1.2569e-7

5.5612e-9

54.2

354

IMI

HHZ

6.2030e-7

7.3907e-8

0.0000e+0

3.2452e-8

6.2811e-8

9.3049e-8

1.0177e-6

9.1432e-8

2.0713e-8

2.2121e-9

67.6

138

IMI

HHN

1.7526e-6

2.4286e-7

0.0000e+0

1.0232e-7

2.0332e-7

2.0153e-6

2.2898e-7

2.8960e-8

3.9108e-9

67.6

138

IMI

HHE

7.9988e-7

1.2233e-7

0.0000e+0

5.0834e-8

8.8460e-8

1.2323e-7

1.2249e-6

1.7171e-7

2.0665e-8

2.2728e-9

67.6

138

PCP

HHZ

3.1043e-7

4.4503e-8

0.0000e+0

4.0209e-8

7.3517e-8

1.0842e-7

7.1675e-7

1.8900e-7

3.0918e-8

2.7262e-9

99.0

PCP

HHN

3.6223e-7

4.7977e-8

0.0000e+0

4.5882e-8

8.1233e-8

1.1616e-6

1.6877e-7

2.5582e-8

2.3873e-9

99.0

PCP

HHE

4.7877e-7

7.2758e-8

0.0000e+0

5.4548e-8

9.4524e-8

1.4527e-7

9.1907e-7

2.7211e-7

6.7769e-8

2.9911e-9

99.0

*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): 0.4 2026-05-24 17:12:04 (UTC)

AUTOMATIC Location - Area: Alpi Cozie , magnitude (M_L): 0.4
2026-05-24 17:12:04 (UTC)