RsniPicker2 Automatic Earthquake Location

AUTOMATIC Location - Area: Langhe , magnitude (M_L): 1.2
2025-06-20 15:28:45 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-06-20 15:33:28

Earthquake info - RsniPicker₂ automatic location

Event - ID :	250620152845
Magnitude (M_L) :	1.2 +/- 0.7
Origin Time :	2025-06-20 15:28:45.04 (UTC)
Location :	Latitude: 44.357 N, Longitude: 8.312 E
Area :	Langhe
Depth (km) :	28.31
Distances (km) :	1.8 --- Carcare (SV) 3.0 --- Altare (SV) 4.3 --- Cairo Montenotte (SV) 4.3 --- Pallare (SV) 5.3 --- Plodio (SV) 6.3 --- Cosseria (SV) 7.4 --- Mallare (SV) 8.5 --- Millesimo (SV) 9.1 --- Cengio (SV) 9.7 --- Roccavignale (SV) 10.1 --- Quiliano (SV) 10.3 --- Dego (SV) 10.7 --- Bormida (SV) 12.1 --- Giusvalla (SV) 12.8 --- Osiglia (SV) 12.8 --- Murialdo (SV) 13.1 --- Saliceto (CN) 13.8 --- Vado Ligure (SV) 13.8 --- Montezemolo (CN) 13.9 --- Pontinvrea (SV)

Quality location estimate:
Erh: 11.9 km, Erz: 15.4 km, Nf: 6, Gap: 117°, Rms: 0.061 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.
QLNO	IV	2025-06-20 15:28:50.191	0.015	0	0.00	1.41	--:--	-.---	-	-.--	-.--	28.7
STV	GU	2025-06-20 15:28:58.270	2.177	3	-0.40	0.26	2025-06-20 15:29:08.400	0.262	2	0.05	1.07	84.3
MONC	IV	--:--	-.---	-	-.--	-.--	2025-06-20 15:29:13.540	0.100	2	0.06	1.15	89.8
BHB	GU	--:--	-.---	-	-.--	-.--	2025-06-20 15:29:12.040	0.312	2	-0.23	0.89	102.5
ERBM	IV	2025-06-20 15:29:10.670	0.086	1	-0.01	1.23	--:--	-.---	-	-.--	-.--	169.5

RsniPicker₂ - Automatic magnitude (M_L) calculation results

Station	Net	Stat. Mag.	Wood-And. Ampl.	Dist. (km)	Azimuth	Used
QLNO	IV	-0.10	1.20e-2	28.7	144	SI
STV	GU	1.50	3.21e-2	84.3	261	SI
BHB	GU	1.60	3.07e-2	102.5	303	SI
ERBM	IV	1.60	1.08e-2	169.5	87	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.
(°)

QLNO

HHZ

1.3555e-6

1.5907e-7

0.0000e+0

8.5535e-8

1.7823e-7

2.7997e-7

3.0621e-6

2.1815e-7

5.0326e-8

4.8124e-9

28.7

144

QLNO

HHN

1.6510e-6

2.4010e-7

0.0000e+0

9.6118e-8

2.1045e-7

2.3775e-6

3.0862e-7

7.0395e-8

5.5093e-9

28.7

144

QLNO

HHE

2.8443e-6

3.1851e-7

0.0000e+0

1.2176e-7

2.6325e-7

4.0333e-7

3.4227e-6

2.7332e-7

7.2013e-8

6.6301e-9

28.7

144

STV

HHZ

1.1832e-5

1.2546e-6

0.0000e+0

5.7798e-7

1.1778e-6

1.7729e-6

1.7395e-5

8.7601e-7

7.9390e-8

2.4594e-8

84.3

261

STV

HHN

1.0393e-5

1.0329e-6

0.0000e+0

4.3778e-7

8.6532e-7

7.0377e-6

7.3402e-7

9.1624e-8

1.6806e-8

84.3

261

STV

HHE

7.5465e-6

7.4736e-7

0.0000e+0

3.9690e-7

7.1517e-7

1.0260e-6

1.2966e-5

7.7048e-7

8.2155e-8

1.5882e-8

84.3

261

MONC

HHZ

4.8188e-6

1.0473e-6

0.0000e+0

1.0509e-6

1.6593e-6

2.2042e-6

1.7494e-5

5.1794e-6

2.0412e-7

2.5219e-8

89.8

-1

MONC

HHN

6.0431e-6

1.1795e-6

0.0000e+0

1.0788e-6

1.7804e-6

2.9005e-5

4.9185e-6

1.9533e-7

2.6231e-8

89.8

-1

MONC

HHE

1.2166e-1

1.6343e-2

0.0000e+0

1.4335e-2

3.0346e-2

4.1864e-2

1.7783e-1

8.6736e-2

1.1372e-2

1.1054e-3

89.8

-1

BHB

HHZ

2.3494e-6

5.2861e-7

0.0000e+0

3.9101e-7

6.5967e-7

9.5032e-7

4.0784e-6

1.0228e-6

1.9109e-7

1.2527e-8

102.5

303

BHB

HHN

2.4390e-6

4.4695e-7

0.0000e+0

3.4378e-7

5.9144e-7

6.1754e-6

8.3994e-7

1.1910e-7

1.1000e-8

102.5

303

BHB

HHE

1.8478e-6

3.8037e-7

0.0000e+0

3.1702e-7

5.3200e-7

7.3272e-7

4.6712e-6

8.7590e-7

1.3524e-7

1.2256e-8

102.5

303

*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: Langhe , magnitude (ML): 1.2 2025-06-20 15:28:45 (UTC)

AUTOMATIC Location - Area: Langhe , magnitude (M_L): 1.2
2025-06-20 15:28:45 (UTC)