RSNI - Manually revised location

MANUAL Location - Area: Alpi Pennine , magnitude (M_L): 1.2
2025-10-15 18:19:58 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-10-16 08:37:37

Earthquake info - Manual location

Event - ID :	251015181913
Magnitude (M_L) :	1.2 +/- 0.2
Origin Time :	2025-10-15 18:19:58.36 (UTC)
Location :	Latitude: 45.895 N, Longitude: 7.012 E
Area :	Alpi Pennine
Depth (km) :	6.29
Distances (km) :	11.7 --- Courmayeur 14.6 --- Pre -Saint-Didier 15.2 --- Saint-Rhemy-En-Bosses 15.3 --- Morgex 17.1 --- La Salle 17.3 --- Saint-Oyen 18.7 --- Etroubles 20.2 --- La Thuile 22.3 --- Allein 22.8 --- Avise 23.1 --- Saint-Nicolas 23.5 --- Ollomont 24.3 --- Doues 24.4 --- Arvier 25.3 --- Gignod 25.4 --- Valpelline 26.2 --- Villeneuve 26.3 --- Roisan 26.4 --- Introd 26.5 --- Saint-Pierre

Quality location estimate: Erh: 1.4 km, Erz: 0.6 km, Nf: 40, Gap: 122 °, Rms: 0.43

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.
BLANC	GU	2025-10-15 18:20:01.290	0.006	0	0.01	1.91	2025-10-15 18:20:02.772	0.040	0	-0.46	1.50	12.7
REMY	GU	2025-10-15 18:20:01.920	0.008	0	-0.02	1.81	2025-10-15 18:20:03.891	0.040	0	-0.47	1.47	15.6
MRGE	IV	2025-10-15 18:20:01.940	0.009	0	-0.02	1.86	2025-10-15 18:20:03.960	0.040	1	-0.41	1.32	16.5
AOSA	IT	2025-10-15 18:20:04.737	0.020	0	0.07	1.46	2025-10-15 18:20:09.086	0.040	0	-0.00	1.42	33.0
DIX	CH	2025-10-15 18:20:05.610	0.057	2	-0.41	1.28	2025-10-15 18:20:09.978	0.097	2	-1.33	0.38	37.7
RSL	FR	2025-10-15 18:20:05.700	0.020	0	-0.05	1.51	2025-10-15 18:20:09.886	0.040	0	-0.89	0.61	38.2
LSD	GU	2025-10-15 18:20:07.540	0.026	1	0.05	1.48	2025-10-15 18:20:13.154	0.140	4	-0.58	1.06	50.1
CIRO	GU	2025-10-15 18:20:08.230	0.028	1	-0.55	1.23	2025-10-15 18:20:14.280	0.140	4	-1.78	0.31	54.8
SENIN	CH	2025-10-15 18:20:08.850	0.028	1	-0.47	1.31	2025-10-15 18:20:15.409	0.611	9	-1.57	0.42	57.2
VANNI	CH	2025-10-15 18:20:09.099	0.020	0	0.02	1.45	2025-10-15 18:20:15.141	0.157	4	-1.32	0.42	57.7
SATI	GU	2025-10-15 18:20:09.740	0.038	1	-0.80	0.72	2025-10-15 18:20:17.430	0.175	5	-2.03	0.20	67.0
EMBD	CH	2025-10-15 18:20:11.290	0.063	3	-0.34	1.04	2025-10-15 18:20:19.203	0.201	6	-1.61	0.36	73.1
LATO	IV	2025-10-15 18:20:11.909	0.020	0	0.25	0.51	2025-10-15 18:20:19.866	0.040	0	-0.76	0.85	75.0
MMK	CH	2025-10-15 18:20:11.895	0.038	1	0.02	1.28	2025-10-15 18:20:20.106	0.100	2	-1.26	0.44	76.1
RSP	GU	2025-10-15 18:20:13.380	0.048	2	0.06	1.16	2025-10-15 18:20:22.650	0.246	6	-0.90	0.73	85.6
SIMPL	CH	2025-10-15 18:20:13.615	0.046	2	-0.46	1.17	2025-10-15 18:20:23.523	0.100	2	-1.49	0.39	87.0
FIESA	CH	2025-10-15 18:20:16.418	0.020	0	-0.66	0.99	2025-10-15 18:20:29.357	0.040	0	-0.72	0.88	104.1
BHB	GU	2025-10-15 18:20:19.260	0.075	3	0.58	0.09	2025-10-15 18:20:31.600	0.663	9	-1.16	0.60	119.6

Local magnitude (M_L) calculation results

Station	Net	Channels	Stat. Mag.	Wood-And. Ampl.	Dist. (km)	Azimuth
BLANC	GU	HH	1.09	7.33e-1	12.7	227
REMY	GU	HH	0.90	3.31e-1	15.6	119
MRGE	IV	HH	1.42	8.52e-1	16.5	165
AOSA	IT	HN	1.49	3.23e-1	33.0	122
DIX	CH	HH	1.63	3.39e-1	37.7	56
LSD	GU	HH	1.27	8.55e-2	50.1	169
CIRO	GU	HH	1.33	4.34e-2	54.8	127
SENIN	CH	HH	1.01	3.56e-2	57.2	23
VANNI	CH	HH	0.88	2.57e-2	57.7	52
SATI	GU	HH	1.24	2.45e-2	67.0	92
EMBD	CH	HH	0.96	1.86e-2	73.1	60
MMK	CH	HH	1.11	1.31e-2	76.1	76
RSP	GU	HH	1.21	2.52e-2	85.6	167
SIMPL	CH	HH	0.84	9.59e-3	87.0	63
FIESA	CH	HH	1.45	2.54e-2	104.1	54
BHB	GU	HH	1.39	1.45e-2	119.6	170

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.
(°)

BLANC

HHZ

9.1118e-5

1.0772e-5

4.6314e-6

1.2580e-6

6.5115e-7

1.9992e-4

2.0879e-5

1.0849e-6

2.4705e-7

12.7

227

BLANC

HHN

1.2155e-4

1.4223e-5

6.0895e-6

1.6903e-6

1.0059e-6

2.6679e-4

3.1622e-5

1.6913e-6

3.2997e-7

12.7

227

BLANC

HHE

1.0232e-4

1.6314e-5

6.6754e-6

2.6233e-6

1.5100e-6

3.6285e-4

2.7189e-5

2.2872e-6

3.7219e-7

12.7

227

REMY

HHZ

2.8141e-5

4.0392e-6

1.2765e-6

6.2637e-7

3.9640e-7

4.0096e-5

4.2577e-6

5.0860e-7

5.7511e-8

15.6

119

REMY

HHN

3.7046e-5

4.9007e-6

2.2607e-6

1.1285e-6

5.1224e-7

6.6259e-5

1.1294e-5

6.8979e-7

9.7162e-8

15.6

119

REMY

HHE

3.1919e-5

4.8624e-6

2.3757e-6

7.7983e-7

3.9941e-7

5.1445e-5

9.9681e-6

6.4375e-7

1.2228e-7

15.6

119

MRGE

HHZ

9.1473e-5

9.5660e-6

2.0382e-6

6.5704e-7

3.7233e-7

7.3105e-5

1.0525e-5

7.9635e-7

2.1090e-7

16.5

165

MRGE

HHN

2.0472e-4

1.9640e-5

3.7883e-6

1.3248e-6

6.8958e-7

2.1969e-4

1.4703e-5

1.5429e-6

4.2238e-7

16.5

165

MRGE

HHE

1.9780e-4

1.7595e-5

5.2944e-6

1.9087e-6

1.2178e-6

1.4103e-4

2.5135e-5

2.1010e-6

3.6869e-7

16.5

165

AOSA

HNZ

4.8884e-5

3.7575e-6

2.4638e-6

1.1597e-6

4.9602e-7

4.5993e-5

1.3044e-5

6.2704e-7

7.1691e-8

33.0

122

AOSA

HNN

1.7849e-5

3.7413e-6

2.7238e-6

1.0247e-6

5.5179e-7

4.4847e-5

1.6961e-5

8.0482e-7

1.0185e-7

33.0

122

AOSA

HNE

2.6392e-5

3.8646e-6

2.9148e-6

1.4914e-6

5.0430e-7

9.5614e-5

1.5191e-5

7.1765e-7

1.1019e-7

33.0

122

DIX

HHZ

4.6145e-5

4.7356e-6

2.1748e-6

6.0654e-7

3.0920e-7

5.9734e-5

1.0311e-5

5.3648e-7

1.1149e-7

37.7

DIX

HHN

4.9616e-5

6.3392e-6

2.8951e-6

9.1772e-7

4.5760e-7

1.2353e-4

1.2873e-5

6.5015e-7

1.2979e-7

37.7

DIX

HHE

5.6179e-5

5.3242e-6

1.9376e-6

9.3703e-7

3.8856e-7

5.0462e-5

8.5148e-6

5.8874e-7

1.2618e-7

37.7

LSD

HHZ

1.0198e-5

1.1523e-6

3.1004e-7

1.4809e-7

7.5971e-8

8.0830e-6

1.0532e-6

1.2985e-7

2.5666e-8

50.1

169

LSD

HHN

1.7109e-5

1.2640e-6

2.6746e-7

8.7789e-8

4.3635e-8

7.7515e-6

1.2066e-6

9.9118e-8

2.5819e-8

50.1

169

LSD

HHE

1.6228e-5

1.8824e-6

6.2543e-7

2.1520e-7

1.0690e-7

1.1751e-5

3.1602e-6

1.7195e-7

3.3347e-8

50.1

169

CIRO

HHZ

6.5802e-6

8.8180e-7

2.3673e-7

7.2878e-8

3.2439e-8

9.5896e-6

1.1588e-6

5.7905e-8

1.5574e-8

54.8

127

CIRO

HHN

9.7571e-6

1.1004e-6

3.2512e-7

1.0801e-7

5.1223e-8

7.9363e-6

1.3070e-6

9.3479e-8

1.7843e-8

54.8

127

CIRO

HHE

6.3913e-6

6.1305e-7

1.5405e-7

6.0389e-8

3.0143e-8

8.8095e-6

8.8279e-7

5.7487e-8

1.2171e-8

54.8

127

SENIN

HHZ

4.2106e-6

9.2702e-7

5.2308e-7

1.9246e-7

8.4494e-8

1.5721e-5

2.1514e-6

1.1023e-7

1.9700e-8

57.2

SENIN

HHN

3.0330e-6

4.6521e-7

3.1652e-7

1.0487e-7

4.5523e-8

1.0052e-5

1.4870e-6

6.2205e-8

1.1932e-8

57.2

SENIN

HHE

5.1321e-6

5.6679e-7

3.7598e-7

1.2479e-7

6.1433e-8

8.6717e-6

1.6738e-6

8.2337e-8

1.1805e-8

57.2

VANNI

HHZ

1.4700e-6

2.5824e-7

1.8782e-7

8.5370e-8

3.8444e-8

2.8575e-6

1.2761e-6

4.9167e-8

5.8525e-9

57.7

VANNI

HHN

1.7447e-6

3.5281e-7

2.2975e-7

1.2655e-7

3.9913e-8

3.2889e-6

8.3802e-7

5.7693e-8

9.3780e-9

57.7

VANNI

HHE

1.6622e-6

2.9956e-7

2.1330e-7

1.5126e-7

5.2717e-8

3.9438e-6

9.4367e-7

6.2175e-8

7.3963e-9

57.7

SATI

HHZ

2.6626e-6

2.8731e-7

1.0811e-7

2.8008e-8

1.4524e-8

7.0244e-6

4.2654e-7

2.8924e-8

5.6345e-9

67.0

SATI

HHN

6.8217e-6

6.3406e-7

1.7603e-7

4.3477e-8

2.5136e-8

1.6574e-5

5.5237e-7

4.9798e-8

1.2038e-8

67.0

SATI

HHE

4.8584e-6

6.2990e-7

1.8313e-7

4.8197e-8

2.9859e-8

1.2945e-5

4.9401e-7

4.7145e-8

1.2023e-8

67.0

EMBD

HHZ

1.4002e-6

3.1518e-7

1.8899e-7

1.2834e-7

5.4862e-8

3.4052e-6

9.5268e-7

6.5838e-8

8.8364e-9

73.1

EMBD

HHN

1.3976e-6

2.0497e-7

1.4461e-7

5.9155e-8

2.7015e-8

2.9779e-6

5.9396e-7

3.7629e-8

5.9592e-9

73.1

EMBD

HHE

1.4773e-6

1.9363e-7

1.5148e-7

6.1352e-8

2.5265e-8

2.3233e-6

7.6558e-7

3.4541e-8

4.7557e-9

73.1

MMK

HHZ

2.1772e-6

2.6992e-7

1.3446e-7

3.4277e-8

1.8147e-8

4.6974e-6

4.9516e-7

3.8246e-8

6.8630e-9

76.1

MMK

HHN

1.7457e-6

2.2824e-7

1.3697e-7

4.1287e-8

1.8205e-8

5.1283e-6

5.3937e-7

2.6903e-8

5.2755e-9

76.1

MMK

HHE

1.6838e-6

2.1466e-7

9.3621e-8

2.7215e-8

1.2728e-8

3.7149e-6

3.7613e-7

2.3602e-8

4.9677e-9

76.1

RSP

HHZ

1.6707e-6

2.7982e-7

1.7404e-7

3.9745e-8

1.9884e-8

5.3392e-6

7.7951e-7

3.0167e-8

6.8327e-9

85.6

167

RSP

HHN

1.7556e-6

2.8378e-7

1.9158e-7

4.6448e-8

2.4028e-8

5.3959e-6

8.6540e-7

3.6760e-8

6.2509e-9

85.6

167

RSP

HHE

2.9296e-6

4.5604e-7

2.7447e-7

5.8576e-8

3.3414e-8

6.1338e-6

1.4676e-6

5.4429e-8

9.6091e-9

85.6

167

SIMPL

HHZ

1.3732e-6

1.8298e-7

9.7794e-8

3.3359e-8

1.3663e-8

2.9505e-6

4.5531e-7

2.0785e-8

4.1300e-9

87.0

SIMPL

HHN

1.3213e-6

1.7913e-7

9.5597e-8

3.6847e-8

1.5731e-8

2.2577e-6

5.5620e-7

2.0367e-8

4.2594e-9

87.0

SIMPL

HHE

8.9939e-7

1.3057e-7

8.3623e-8

3.2440e-8

1.2735e-8

2.3293e-6

4.0476e-7

1.6627e-8

2.8553e-9

87.0

FIESA

HHZ

2.4982e-6

2.1899e-7

1.7022e-7

9.7635e-8

5.0571e-8

4.4533e-6

8.1893e-7

6.4177e-8

5.9929e-9

104.1

FIESA

HHN

1.3430e-6

2.4869e-7

2.0172e-7

8.8514e-8

5.2893e-8

4.8907e-6

9.8128e-7

6.9424e-8

7.2678e-9

104.1

FIESA

HHE

1.3440e-6

2.8850e-7

2.1389e-7

1.2417e-7

6.6183e-8

3.7652e-6

1.7525e-6

8.3156e-8

8.4771e-9

104.1

BHB

HHZ

5.6028e-7

1.3472e-7

9.4566e-8

4.8693e-8

2.4490e-8

1.7965e-6

2.7375e-7

4.9770e-8

3.3359e-9

119.6

170

BHB

HHN

1.0878e-6

2.5365e-7

1.3747e-7

3.6334e-8

2.1615e-8

3.5394e-6

6.1616e-7

4.1451e-8

5.7357e-9

119.6

170

BHB

HHE

4.5529e-7

1.3730e-7

7.9869e-8

2.9649e-8

1.8950e-8

1.1665e-6

2.7738e-7

3.7130e-8

3.1368e-9

119.6

170

*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: Alpi Pennine , magnitude (ML): 1.2 2025-10-15 18:19:58 (UTC)

MANUAL Location - Area: Alpi Pennine , magnitude (M_L): 1.2
2025-10-15 18:19:58 (UTC)