RSNI - Manually revised location

MANUAL Location - Area: Francia , magnitude (M_L): 0.7
2025-10-13 03:26:07 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-10-13 07:26:04

Earthquake info - Manual location

Event - ID :	251013032445
Magnitude (M_L) :	0.7 +/- 0.1
Origin Time :	2025-10-13 03:26:07.768 (UTC)
Location :	Latitude: 45.462 N, Longitude: 6.639 E
Area :	Francia
Depth (km) :	6.01
Distances (km) :	37.3 --- La Thuile 38.0 --- Valgrisenche 39.2 --- Moncenisio 39.2 --- Rhemes-Notre-Dame 42.1 --- Novalesa 42.8 --- Bardonecchia 43.1 --- Pre -Saint-Didier 44.4 --- Venaus 45.1 --- Courmayeur 45.2 --- Morgex 45.6 --- Rhemes-Saint-Georges 46.2 --- La Salle 46.3 --- Giaglione 46.4 --- Exilles 46.5 --- Ceresole Reale 46.7 --- Mompantero 46.7 --- Chiomonte 46.7 --- Valsavarenche 47.3 --- Salbertrand 47.8 --- Avise

Quality location estimate: Erh: 1 km, Erz: 1.5 km, Nf: 26, Gap: 185 °, Rms: 0.19

Manual location results

Station	Net	P arrival time	P pick err	P pick weight	P res	Nll weight	S arrival time	S pick err	S pick weight	S res	Nll weight	Dist.
RSL	FR	2025-10-13 03:26:13.010	0.015	0	0.01	1.56	2025-10-13 03:26:16.330	0.164	5	-0.13	1.27	25.9
OGMO	FR	2025-10-13 03:26:13.390	0.074	3	0.08	1.36	2025-10-13 03:26:16.900	0.087	2	-0.20	1.17	29.0
LSD	GU	2025-10-13 03:26:15.550	0.022	1	0.33	0.52	2025-10-13 03:26:19.900	0.180	5	-0.32	0.91	39.5
MRGE	IV	2025-10-13 03:26:16.850	0.026	1	-0.07	1.48	2025-10-13 03:26:22.561	0.151	4	-0.47	0.62	48.0
RSP	GU	2025-10-13 03:26:18.900	0.032	1	0.05	1.42	2025-10-13 03:26:26.354	0.253	7	-0.09	1.07	60.5
RRL	GU	2025-10-13 03:26:19.080	0.032	1	-0.05	1.47	2025-10-13 03:26:26.854	0.189	5	-0.18	1.09	61.8
LATO	IV	2025-10-13 03:26:19.989	0.020	0	-0.06	1.45	2025-10-13 03:26:28.387	0.040	0	0.02	1.27	66.9
CIRO	GU	2025-10-13 03:26:21.120	0.058	2	-0.62	0.32	2025-10-13 03:26:29.670	0.277	7	-1.32	0.07	74.5
CANI	GU	2025-10-13 03:26:22.743	0.020	0	0.28	0.77	2025-10-13 03:26:32.610	0.040	0	0.39	0.57	82.3
BHB	GU	2025-10-13 03:26:23.020	0.044	2	0.14	1.17	2025-10-13 03:26:32.500	0.444	9	-0.79	0.41	85.4
PZZ	GU	2025-10-13 03:26:27.320	0.057	2	-0.13	1.24	2025-10-13 03:26:40.660	0.527	9	-0.69	0.48	112.8

Local magnitude (M_L) calculation results

Station	Net	Channels	Stat. Mag.	Wood-And. Ampl.	Dist. (km)	Azimuth
LSD	GU	HH	0.54	2.54e-2	39.5	90
MRGE	IV	HH	0.49	1.31e-2	48.0	44
RSP	GU	HH	0.74	1.79e-2	60.5	125
RRL	GU	HH	0.77	1.18e-2	61.8	169
CIRO	GU	HH	0.68	5.02e-3	74.5	78
CANI	GU	HH	0.62	6.58e-3	82.3	92
BHB	GU	HH	0.73	7.05e-3	85.4	145
PZZ	GU	HH	0.86	9.22e-3	112.8	160

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

Station

Net

Channel

PGA
(g)

PGV
(m/s)

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.
(°)

LSD

HHZ

6.9052e-6

6.8752e-7

1.5735e-7

3.4032e-8

1.8035e-8

4.8298e-6

6.5580e-7

3.3025e-8

8.4659e-9

39.5

LSD

HHN

5.7049e-6

5.9868e-7

2.4205e-7

6.1492e-8

3.1417e-8

1.1749e-5

1.0735e-6

5.8065e-8

1.2582e-8

39.5

LSD

HHE

4.2876e-6

4.5678e-7

2.0136e-7

4.6269e-8

2.4408e-8

8.8819e-6

9.7595e-7

3.8943e-8

9.8250e-9

39.5

MRGE

HHZ

1.6555e-6

1.7350e-7

7.3171e-8

2.8277e-8

1.1553e-8

1.4665e-6

4.0262e-7

1.6313e-8

3.3332e-9

48.0

MRGE

HHN

4.0001e-6

4.4622e-7

1.0146e-7

3.0800e-8

1.5694e-8

5.3658e-6

4.0125e-7

2.7514e-8

7.5262e-9

48.0

MRGE

HHE

2.2057e-6

2.3497e-7

8.3370e-8

2.9109e-8

1.4264e-8

4.2556e-6

3.5802e-7

2.4447e-8

4.5811e-9

48.0

RSP

HHZ

2.4560e-6

3.0541e-7

9.7546e-8

3.0299e-8

1.4751e-8

5.5702e-6

3.3362e-7

2.3103e-8

5.8656e-9

60.5

125

RSP

HHN

2.2155e-6

2.8879e-7

1.7232e-7

4.7593e-8

2.2546e-8

6.5011e-6

6.4128e-7

3.3033e-8

6.7324e-9

60.5

125

RSP

HHE

2.6236e-6

3.6877e-7

1.8814e-7

4.4099e-8

2.0926e-8

1.0524e-5

6.7577e-7

3.4038e-8

7.9230e-9

60.5

125

RRL

HHZ

7.2604e-7

1.0851e-7

6.5645e-8

2.5514e-8

9.9926e-9

1.8467e-6

3.3350e-7

1.4239e-8

2.2588e-9

61.8

169

RRL

HHN

7.9400e-7

1.3008e-7

1.1751e-7

3.6893e-8

1.8110e-8

3.6755e-6

8.2049e-7

2.5697e-8

3.9882e-9

61.8

169

RRL

HHE

7.5861e-7

1.6669e-7

1.0688e-7

3.0379e-8

1.5005e-8

2.2020e-6

6.3277e-7

2.4551e-8

4.1886e-9

61.8

169

CIRO

HHZ

4.4445e-7

5.5536e-8

4.0682e-8

1.5680e-8

5.6950e-9

1.2518e-6

2.3212e-7

7.9019e-9

1.4906e-9

74.5

CIRO

HHN

5.1564e-7

7.5254e-8

5.5334e-8

2.2063e-8

9.2692e-9

1.0955e-6

3.2143e-7

1.2066e-8

1.8774e-9

74.5

CIRO

HHE

4.4193e-7

5.4012e-8

3.5178e-8

1.5332e-8

6.5388e-9

1.8407e-6

1.8187e-7

8.8638e-9

1.3360e-9

74.5

CANI

HHZ

8.3689e-7

1.0700e-7

5.0056e-8

1.6137e-8

7.6567e-9

1.8400e-6

2.1683e-7

1.1634e-8

2.3424e-9

82.3

CANI

HHN

7.6575e-7

9.9198e-8

6.0515e-8

1.9694e-8

8.1573e-9

1.9166e-6

2.6493e-7

1.2944e-8

2.5549e-9

82.3

CANI

HHE

1.0011e-6

1.1857e-7

6.7424e-8

2.2358e-8

1.1012e-8

1.7063e-6

4.2842e-7

1.6078e-8

2.6418e-9

82.3

BHB

HHZ

1.0757e-6

1.1960e-7

5.3162e-8

1.5449e-8

9.1251e-9

2.4249e-6

2.5380e-7

1.3675e-8

2.5143e-9

85.4

145

BHB

HHN

7.8870e-7

1.1859e-7

8.0723e-8

2.8097e-8

1.1191e-8

2.6259e-6

3.3875e-7

1.3460e-8

2.6451e-9

85.4

145

BHB

HHE

6.0924e-7

8.6971e-8

5.0968e-8

2.0253e-8

8.7847e-9

1.5362e-6

2.2158e-7

1.1650e-8

1.9462e-9

85.4

145

PZZ

HHZ

4.0434e-7

8.0129e-8

7.2729e-8

2.5815e-8

1.1624e-8

9.9084e-7

3.6255e-7

1.4819e-8

2.3971e-9

112.8

160

PZZ

HHN

4.5080e-7

1.1722e-7

8.6057e-8

3.0999e-8

1.3093e-8

1.0225e-6

3.0963e-7

1.8275e-8

3.3244e-9

112.8

160

PZZ

HHE

5.7816e-7

1.0915e-7

9.5237e-8

2.3062e-8

1.0374e-8

1.5086e-6

4.4767e-7

1.5174e-8

2.5691e-9

112.8

160

*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)

MANUAL Location - Area: Francia , magnitude (ML): 0.7 2025-10-13 03:26:07 (UTC)

MANUAL Location - Area: Francia , magnitude (M_L): 0.7
2025-10-13 03:26:07 (UTC)