RSNI - Manually revised location

MANUAL Location - Area: Alpi Pennine , magnitude (M_L): 0.8
2026-02-12 01:50:08 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2026-02-12 07:57:25

Earthquake info - Manual location

Event - ID :	260212014859
Magnitude (M_L) :	0.8 +/- 0.2
Origin Time :	2026-02-12 01:50:08.088 (UTC)
Location :	Latitude: 45.902 N, Longitude: 7.055 E
Area :	Alpi Pennine
Depth (km) :	5.42
Distances (km) :	13.1 --- Saint-Rhemy-En-Bosses 13.7 --- Courmayeur 14.8 --- Saint-Oyen 16.1 --- Morgex 16.2 --- Etroubles 16.2 --- Pre -Saint-Didier 17.3 --- La Salle 19.7 --- Allein 20.5 --- Ollomont 21.5 --- Doues 22.1 --- La Thuile 22.3 --- Saint-Nicolas 22.4 --- Avise 22.6 --- Valpelline 22.9 --- Gignod 23.7 --- Arvier 23.8 --- Roisan 25.1 --- Villeneuve 25.2 --- Saint-Pierre 25.6 --- Introd

Quality location estimate: Erh: 0.8 km, Erz: 0.7 km, Nf: 36, Gap: 60 °, Rms: 0.25

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	2026-02-12 01:50:11.379	0.020	0	0.01	1.75	2026-02-12 01:50:13.028	0.040	0	-0.54	0.49	14.4
MRGE	IV	2026-02-12 01:50:11.945	0.080	3	0.29	1.02	2026-02-12 01:50:14.052	0.040	0	0.00	1.67	16.4
DIX	CH	2026-02-12 01:50:15.608	0.020	0	0.37	0.97	2026-02-12 01:50:20.116	0.040	0	0.01	1.45	34.3
RSL	FR	2026-02-12 01:50:15.718	0.060	2	-0.37	0.76	2026-02-12 01:50:20.051	0.040	0	-1.46	0.00	41.3
LSD	GU	2026-02-12 01:50:17.550	0.020	0	0.26	1.03	2026-02-12 01:50:23.134	0.040	0	-0.44	0.70	50.2
CIRO	GU	2026-02-12 01:50:18.262	0.020	0	0.10	1.37	2026-02-12 01:50:24.335	0.040	0	-0.88	0.12	52.5
VANNI	CH	2026-02-12 01:50:18.958	0.020	0	0.66	0.36	2026-02-12 01:50:25.380	0.040	0	0.07	1.33	54.4
SENIN	CH	2026-02-12 01:50:18.753	0.020	0	0.03	1.51	2026-02-12 01:50:25.885	0.040	0	-0.24	1.00	55.1
EMBD	CH	2026-02-12 01:50:20.704	0.020	0	-0.13	1.18	2026-02-12 01:50:29.301	0.040	0	-0.34	0.87	69.7
MMK	CH	2026-02-12 01:50:21.733	0.020	0	0.66	0.39	2026-02-12 01:50:30.550	0.040	0	0.38	0.92	72.6
LATO	IV	2026-02-12 01:50:21.747	0.020	0	0.44	0.82	2026-02-12 01:50:29.757	0.040	0	-0.46	0.69	74.2
OGMO	FR	2026-02-12 01:50:22.660	0.020	0	-0.06	1.32	2026-02-12 01:50:32.772	0.040	0	0.08	1.23	82.6
SIMPL	CH	2026-02-12 01:50:23.464	0.020	0	0.19	1.22	2026-02-12 01:50:33.285	0.040	0	-0.54	0.59	83.6
RSP	GU	2026-02-12 01:50:23.604	0.020	0	0.52	0.68	2026-02-12 01:50:33.341	0.040	0	-0.00	1.21	85.7
FIESA	CH	2026-02-12 01:50:26.735	0.020	0	0.44	0.82	2026-02-12 01:50:39.110	0.040	0	0.20	1.08	100.8

Local magnitude (M_L) calculation results

Station	Net	Channels	Stat. Mag.	Wood-And. Ampl.	Dist. (km)	Azimuth
BLANC	GU	HH	0.74	2.63e-1	14.4	236
MRGE	IV	HH	1.08	3.89e-1	16.4	178
DIX	CH	HH	1.14	1.31e-1	34.3	54
LSD	GU	HH	0.76	2.59e-2	50.2	173
CIRO	GU	HH	0.97	2.08e-2	52.5	130
VANNI	CH	HH	0.43	1.03e-2	54.4	51
SENIN	CH	HH	0.62	1.56e-2	55.1	20
MMK	CH	HH	0.63	4.71e-3	72.6	76
SIMPL	CH	HH	0.37	3.59e-3	83.6	63
RSP	GU	HH	0.72	8.06e-3	85.7	169
FIESA	CH	HH	1.03	1.05e-2	100.8	54

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

2.6156e-5

3.5355e-6

1.3959e-6

4.4074e-7

2.1260e-7

4.6198e-5

5.3627e-6

3.7769e-7

8.3995e-8

14.4

236

BLANC

HHN

6.0073e-5

6.0970e-6

1.9846e-6

6.8238e-7

3.8176e-7

6.6599e-5

9.5241e-6

6.3936e-7

1.1110e-7

14.4

236

BLANC

HHE

4.9773e-5

5.3294e-6

1.9348e-6

8.4856e-7

4.3366e-7

7.2390e-5

5.5275e-6

6.7903e-7

1.1085e-7

14.4

236

MRGE

HHZ

5.6584e-5

5.6245e-6

1.0369e-6

3.9073e-7

2.2409e-7

4.3583e-5

5.2175e-6

4.7923e-7

1.2508e-7

16.4

178

MRGE

HHN

9.5899e-5

1.0806e-5

2.1344e-6

7.0881e-7

3.8739e-7

1.5154e-4

7.1262e-6

8.2915e-7

2.2346e-7

16.4

178

MRGE

HHE

1.2742e-4

1.2026e-5

2.0768e-6

7.6504e-7

4.0242e-7

9.0269e-5

8.6567e-6

9.0188e-7

2.4947e-7

16.4

178

DIX

HHZ

1.5121e-5

1.8905e-6

1.1893e-6

3.6982e-7

1.7750e-7

3.0153e-5

4.0047e-6

2.5923e-7

4.7892e-8

34.3

DIX

HHN

1.6117e-5

2.0385e-6

1.0922e-6

3.2804e-7

1.7022e-7

3.4545e-5

5.4834e-6

2.8304e-7

4.5626e-8

34.3

DIX

HHE

2.1258e-5

2.7602e-6

1.1513e-6

3.7534e-7

1.5222e-7

5.7410e-5

4.4955e-6

2.3345e-7

5.5450e-8

34.3

LSD

HHZ

2.6043e-6

2.9787e-7

1.0885e-7

5.5697e-8

3.0130e-8

4.5056e-6

3.4749e-7

4.3659e-8

6.0504e-9

50.2

173

LSD

HHN

6.5245e-6

4.9957e-7

1.0097e-7

2.9282e-8

1.6770e-8

5.8256e-6

4.3080e-7

3.7834e-8

1.1022e-8

50.2

173

LSD

HHE

7.1105e-6

7.4013e-7

2.2840e-7

6.8531e-8

3.4313e-8

7.6265e-6

1.0815e-6

6.0169e-8

1.5128e-8

50.2

173

CIRO

HHZ

2.9530e-6

3.1559e-7

1.0800e-7

3.6071e-8

1.5735e-8

4.2189e-6

5.2895e-7

2.7667e-8

6.4480e-9

52.5

130

CIRO

HHN

3.4781e-6

3.5476e-7

1.5165e-7

6.1544e-8

2.9357e-8

3.4431e-6

6.1295e-7

4.9720e-8

8.1682e-9

52.5

130

CIRO

HHE

2.9340e-6

2.9553e-7

8.2569e-8

3.4475e-8

1.6380e-8

4.7784e-6

4.4829e-7

2.5155e-8

5.1991e-9

52.5

130

VANNI

HHZ

5.0291e-7

7.7187e-8

6.5740e-8

4.3047e-8

3.9785e-8

9.3225e-7

3.2303e-7

6.3602e-8

6.9963e-9

54.4

VANNI

HHN

6.1887e-7

1.1890e-7

9.1672e-8

5.7323e-8

2.0081e-8

1.1163e-6

3.6564e-7

2.6902e-8

3.1767e-9

54.4

VANNI

HHE

5.4478e-7

9.1162e-8

7.1271e-8

5.2511e-8

1.8654e-8

1.2104e-6

4.3841e-7

2.2682e-8

2.6195e-9

54.4

SENIN

HHZ

2.3292e-6

4.7838e-7

3.3042e-7

1.0203e-7

5.3586e-8

7.3050e-6

1.5755e-6

7.4882e-8

1.2649e-8

55.1

SENIN

HHN

1.6989e-6

1.9575e-7

1.4309e-7

4.8503e-8

2.1789e-8

5.4403e-6

6.0584e-7

2.9651e-8

4.9959e-9

55.1

SENIN

HHE

2.7995e-6

2.8744e-7

1.4405e-7

4.6446e-8

2.7308e-8

4.3499e-6

5.8782e-7

4.0550e-8

8.4064e-9

55.1

EMBD

HHZ

4.1582e-7

8.6835e-8

6.0939e-8

4.4868e-8

2.1777e-8

1.0294e-6

3.2046e-7

2.6525e-8

3.2496e-9

69.7

EMBD

HHN

5.6583e-7

6.9142e-8

4.8044e-8

2.2847e-8

1.1130e-8

1.1298e-6

2.2298e-7

1.4829e-8

2.0061e-9

69.7

EMBD

HHE

4.2858e-7

7.8220e-8

5.3747e-8

2.3946e-8

1.1073e-8

1.1232e-6

2.8645e-7

1.5824e-8

2.2409e-9

69.7

MMK

HHZ

7.5225e-7

8.4825e-8

4.2609e-8

1.2706e-8

9.3777e-9

1.4469e-6

1.7033e-7

1.3516e-8

2.2259e-9

72.6

MMK

HHN

5.6741e-7

7.5562e-8

4.5624e-8

1.4072e-8

9.8683e-9

2.3731e-6

1.7133e-7

1.1473e-8

2.2963e-9

72.6

MMK

HHE

6.6046e-7

6.8233e-8

2.9630e-8

1.0223e-8

6.6329e-9

1.5978e-6

1.0582e-7

8.8912e-9

1.5291e-9

72.6

SIMPL

HHZ

3.0908e-7

6.1686e-8

3.8275e-8

1.3545e-8

7.1914e-9

8.7910e-7

1.8503e-7

1.0952e-8

1.5153e-9

83.6

SIMPL

HHN

3.2566e-7

5.2566e-8

3.4739e-8

1.6687e-8

9.5465e-9

1.0624e-6

1.7409e-7

1.2807e-8

1.3936e-9

83.6

SIMPL

HHE

3.6860e-7

5.0389e-8

3.1305e-8

1.2741e-8

6.6041e-9

9.1939e-7

1.2912e-7

1.0699e-8

1.0690e-9

83.6

RSP

HHZ

6.3091e-7

8.5142e-8

5.1633e-8

1.5096e-8

8.6469e-9

9.5849e-7

2.1851e-7

1.2454e-8

2.0179e-9

85.7

169

RSP

HHN

6.2404e-7

1.0364e-7

6.8239e-8

1.7867e-8

1.2008e-8

1.6489e-6

3.6210e-7

1.6060e-8

2.4591e-9

85.7

169

RSP

HHE

8.6827e-7

1.4521e-7

8.1512e-8

1.9449e-8

1.2344e-8

3.0304e-6

4.2900e-7

1.8637e-8

3.1458e-9

85.7

169

FIESA

HHZ

6.0433e-7

9.8433e-8

7.2759e-8

5.1262e-8

3.4494e-8

1.7107e-6

3.9761e-7

4.4689e-8

4.9169e-9

100.8

FIESA

HHN

5.2026e-7

1.2426e-7

9.1915e-8

4.0803e-8

3.7296e-8

1.4004e-6

6.3994e-7

5.4232e-8

4.7245e-9

100.8

FIESA

HHE

5.2889e-7

1.1374e-7

8.1171e-8

5.2842e-8

3.6804e-8

1.5080e-6

5.6626e-7

4.8114e-8

4.8305e-9

100.8

*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): 0.8 2026-02-12 01:50:08 (UTC)

MANUAL Location - Area: Alpi Pennine , magnitude (M_L): 0.8
2026-02-12 01:50:08 (UTC)