RsniPicker2 Automatic Earthquake Location

AUTOMATIC Location - Area: Francia , magnitude (M_L): 0.9
2025-11-08 04:54:34 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-11-08 04:59:00

Earthquake info - RsniPicker₂ automatic location

Event - ID :	251108045411
Magnitude (M_L) :	0.9 +/- 0.2
Origin Time :	2025-11-08 04:54:34.57 (UTC)
Location :	Latitude: 44.129 N, Longitude: 6.688 E
Area :	Francia
Depth (km) :	12.25
Distances (km) :	35.8 --- Argentera (CN) 36.5 --- Pietraporzio (CN) 38.7 --- Sambuco (CN) 43.7 --- Vinadio (CN) 45.5 --- Acceglio (CN) 47.2 --- Aisone (CN) 48.2 --- Canosio (CN) 49.0 --- Marmora (CN) 49.2 --- Prazzo (CN) 52.2 --- Castelmagno (CN) 52.9 --- Demonte (CN) 54.7 --- Stroppo (CN) 55.6 --- Celle di Macra (CN) 55.8 --- Elva (CN) 56.7 --- Bellino (CN) 56.9 --- Macra (CN) 57.3 --- Pradleves (CN) 58.1 --- Entracque (CN) 59.0 --- Valdieri (CN) 59.5 --- Monterosso Grana (CN)

Quality location estimate:
Erh: 1.4 km, Erz: 3.4 km, Nf: 14, Gap: 141°, Rms: 0.255 s
Stazioni validate: 9

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.
ISO	FR	2025-11-08 04:54:41.090	0.017	0	0.03	1.26	2025-11-08 04:54:45.029	0.098	1	-0.60	0.57	31.9
OGDI	FR	2025-11-08 04:54:41.959	0.135	2	-0.15	1.30	--:--	-.---	-	-.--	-.--	39.0
SURF	FR	2025-11-08 04:54:42.720	0.051	1	0.00	1.34	2025-11-08 04:54:48.349	0.126	2	-0.16	1.25	42.2
MVIF	FR	--:--	-.---	-	-.--	-.--	2025-11-08 04:54:49.759	0.341	2	-0.64	0.66	46.9
STV	GU	--:--	-.---	-	-.--	-.--	2025-11-08 04:54:51.020	0.180	2	-0.24	1.12	53.9
PZZ	GU	2025-11-08 04:54:45.029	0.028	0	-0.19	1.24	2025-11-08 04:54:52.099	0.166	2	-0.55	0.73	55.4
ENR	GU	2025-11-08 04:54:45.770	0.031	0	0.06	1.09	2025-11-08 04:54:53.214	0.187	2	-0.03	1.05	60.5
SAOF	FR	2025-11-08 04:54:47.480	0.325	2	-0.64	0.65	2025-11-08 04:54:56.720	0.395	2	-0.79	0.52	72.1
RRL	GU	2025-11-08 04:54:50.650	0.045	0	-0.22	1.21	--:--	-.---	-	-.--	-.--	89.3

RsniPicker₂ - Automatic magnitude (M_L) calculation results

Station	Net	Stat. Mag.	Wood-And. Ampl.	Dist. (km)	Azimuth	Used
ISO	FR	0.50	3.77e-2	31.9	78	SI
STV	GU	0.80	1.53e-2	53.9	76	SI
PZZ	GU	0.90	5.13e-2	55.4	39	SI
ENR	GU	1.10	5.85e-2	60.5	79	SI
SAOF	FR	0.70	1.08e-2	72.1	103	SI
RRL	GU	1.20	1.46e-2	89.3	5	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.
(°)

ISO

HHZ

4.0286e-6

4.8125e-7

0.0000e+0

3.2883e-7

5.6136e-7

7.6856e-7

9.9570e-6

1.1652e-6

6.7278e-8

1.1612e-8

31.9

ISO

HHN

5.4326e-6

8.2153e-7

0.0000e+0

3.8386e-7

6.8597e-7

1.3255e-5

8.9569e-7

7.2241e-8

1.4409e-8

31.9

ISO

HHE

5.4768e-6

6.1257e-7

0.0000e+0

3.2292e-7

5.6577e-7

7.8939e-7

8.8965e-6

8.8993e-7

7.2886e-8

1.1477e-8

31.9

STV

HHZ

1.6554e-6

2.2128e-7

0.0000e+0

1.4954e-7

2.7722e-7

3.8416e-7

2.4297e-6

3.3632e-7

4.5400e-8

8.9322e-9

53.9

STV

HHN

2.9136e-6

3.0731e-7

0.0000e+0

1.9031e-7

3.2883e-7

4.6194e-6

5.4506e-7

5.2493e-8

6.8945e-9

53.9

STV

HHE

1.6267e-6

2.2053e-7

0.0000e+0

1.2551e-7

2.3623e-7

3.3559e-7

3.3442e-6

4.3682e-7

4.0526e-8

7.6012e-9

53.9

PZZ

HHZ

2.8878e-6

5.3364e-7

0.0000e+0

4.0196e-7

6.5461e-7

8.9957e-7

9.9755e-6

1.7326e-6

1.0674e-7

1.2796e-8

55.4

PZZ

HHN

5.0508e-6

1.0123e-6

0.0000e+0

5.9295e-7

1.1665e-6

1.7702e-5

1.4117e-6

1.4029e-7

2.4016e-8

55.4

PZZ

HHE

3.9558e-6

6.8212e-7

0.0000e+0

5.7371e-7

9.1170e-7

1.2276e-6

1.3196e-5

1.6908e-6

1.0657e-7

1.8293e-8

55.4

ENR

HHZ

3.6837e-6

5.3233e-7

0.0000e+0

2.8860e-7

5.6633e-7

8.2987e-7

9.2183e-6

6.3406e-7

1.0587e-7

1.5980e-8

60.5

ENR

HHN

8.1591e-6

8.8303e-7

0.0000e+0

5.1075e-7

8.9549e-7

1.3450e-5

1.7877e-6

1.0277e-7

2.1444e-8

60.5

ENR

HHE

8.6866e-6

9.2106e-7

0.0000e+0

5.0892e-7

9.4151e-7

1.3578e-6

1.0567e-5

1.4501e-6

1.0311e-7

1.9357e-8

60.5

SAOF

HHE

8.6866e-6

9.2106e-7

0.0000e+0

5.0892e-7

9.4151e-7

1.3578e-6

1.0567e-5

1.4501e-6

1.0311e-7

1.9357e-8

72.1

103

RRL

HHZ

3.8130e-7

7.0296e-8

0.0000e+0

6.1481e-8

1.1712e-7

1.7416e-7

1.6182e-6

2.6870e-7

4.2584e-8

9.2503e-9

89.3

RRL

HHN

4.5668e-7

1.4462e-7

0.0000e+0

1.2485e-7

2.1382e-7

1.7127e-6

7.8018e-7

6.4201e-8

8.9814e-9

89.3

RRL

HHE

4.2906e-7

1.2728e-7

0.0000e+0

1.2233e-7

2.1728e-7

2.9397e-7

1.2587e-6

4.8816e-7

8.1518e-8

8.5234e-9

89.3

*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: Francia , magnitude (ML): 0.9 2025-11-08 04:54:34 (UTC)

AUTOMATIC Location - Area: Francia , magnitude (M_L): 0.9
2025-11-08 04:54:34 (UTC)