RsniPicker2 Automatic Earthquake Location

AUTOMATIC Location - Area: Alpi Pennine , magnitude (M_L): 1.3
2026-05-15 04:33:50 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2026-05-15 04:37:18

Earthquake info - RsniPicker₂ automatic location

Event - ID :	260515043221
Magnitude (M_L) :	1.3 +/- 0.3
Origin Time :	2026-05-15 04:33:50.02 (UTC)
Location :	Latitude: 45.998 N, Longitude: 7.623 E
Area :	Alpi Pennine
Depth (km) :	3.85
Distances (km) :	13.3 --- Valtournenche (AO) 17.6 --- Chamois (AO) 20.6 --- Bionaz (AO) 20.8 --- La Magdeleine (AO) 21.2 --- Ayas (AO) 21.5 --- Antey-Saint-Andre (AO) 22.0 --- Torgnon (AO) 24.3 --- Gressoney-la-Trinite (AO) 24.7 --- Oyace (AO) 27.0 --- Macugnaga (VB) 27.0 --- Verrayes (AO) 27.4 --- Saint-Vincent (AO) 27.6 --- Chatillon (AO) 27.7 --- Saint-Denis (AO) 27.7 --- Brusson (AO) 28.6 --- Chambave (AO) 28.8 --- Pontey (AO) 28.8 --- Gressoney-Saint-Jean (AO) 29.1 --- Alagna Valsesia (VC) 29.3 --- Ollomont (AO)

Quality location estimate:
Erh: 1.1 km, Erz: 2.1 km, Nf: 22, Gap: 61°, Rms: 0.265 s
Stazioni validate: 12

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.
DIX	CH	2026-05-15 04:33:54.369	0.013	0	-0.02	1.98	2026-05-15 04:33:56.575	0.069	1	-0.69	0.50	19.4
SATI	GU	2026-05-15 04:33:55.689	0.014	0	0.47	0.69	2026-05-15 04:33:58.740	0.071	1	-0.02	1.68	23.7
VANNI	CH	2026-05-15 04:33:55.230	0.014	0	0.38	0.58	2026-05-15 04:33:58.099	0.072	1	0.07	1.63	24.0
MMK	CH	2026-05-15 04:33:56.049	0.016	0	0.54	0.47	2026-05-15 04:33:59.185	0.082	1	0.03	1.66	27.3
EMBD	CH	2026-05-15 04:33:56.075	0.019	0	0.04	1.95	2026-05-15 04:33:59.349	0.088	1	-0.64	0.50	29.4
SIMPL	CH	2026-05-15 04:33:58.029	0.022	0	-0.01	1.88	2026-05-15 04:34:02.833	0.157	2	-0.56	0.50	40.9
CIRO	GU	2026-05-15 04:33:58.680	0.024	0	0.03	1.85	2026-05-15 04:34:04.054	0.361	2	-0.67	0.54	44.4
LAUCH	CH	2026-05-15 04:33:59.119	0.056	1	-0.11	1.30	2026-05-15 04:34:04.172	0.198	2	-1.25	0.18	48.0
BLANC	GU	--:--	-.---	-	-.--	-.--	2026-05-15 04:34:06.740	0.560	3	-1.82	0.11	56.1
FIESA	CH	--:--	-.---	-	-.--	-.--	2026-05-15 04:34:08.155	0.370	2	-1.25	0.24	61.5
LSD	GU	2026-05-15 04:34:02.850	0.037	0	0.19	1.11	2026-05-15 04:34:11.183	0.381	2	-0.32	0.81	71.0
RSP	GU	2026-05-15 04:34:07.490	0.051	1	0.36	0.86	2026-05-15 04:34:18.879	0.296	2	-0.06	0.96	98.6

RsniPicker₂ - Automatic magnitude (M_L) calculation results

Station	Net	Stat. Mag.	Wood-And. Ampl.	Dist. (km)	Azimuth	Used
DIX	CH	1.60	1.18e+0	19.4	299	SI
SATI	GU	1.60	4.34e-1	23.7	126	SI
MMK	CH	0.90	6.97e-2	27.3	77	SI
CIRO	GU	1.40	7.05e-2	44.4	186	SI
LSD	GU	1.00	2.21e-2	71.0	213	SI
RSP	GU	1.50	3.23e-2	98.6	197	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.
(°)

DIX

HHZ

1.9110e-4

2.1022e-5

0.0000e+0

8.5113e-6

1.4960e-5

2.1467e-5

3.1048e-4

2.6410e-5

2.1349e-6

3.3834e-7

19.4

299

DIX

HHN

2.8277e-4

2.7645e-5

0.0000e+0

8.2295e-6

1.5020e-5

2.2233e-4

2.4985e-5

1.8293e-6

3.8661e-7

19.4

299

DIX

HHE

2.0361e-4

2.1227e-5

0.0000e+0

9.5900e-6

1.8141e-5

2.6006e-5

2.5542e-4

3.1849e-5

2.1493e-6

2.9495e-7

19.4

299

SATI

HHZ

3.5532e-5

3.7152e-6

0.0000e+0

1.7011e-6

3.0351e-6

4.2726e-6

4.7628e-5

7.4895e-6

3.9646e-7

6.4714e-8

23.7

126

SATI

HHN

8.1665e-5

9.7969e-6

0.0000e+0

3.4338e-6

6.5488e-6

1.1897e-4

8.1591e-6

6.4106e-7

1.4153e-7

23.7

126

SATI

HHE

7.4095e-5

8.2626e-6

0.0000e+0

3.9448e-6

7.5376e-6

1.1081e-5

1.4896e-4

8.2443e-6

5.5913e-7

1.3479e-7

23.7

126

MMK

HHZ

6.4846e-6

9.4731e-7

0.0000e+0

6.4645e-7

1.2007e-6

1.7061e-6

1.4168e-5

1.8896e-6

1.6376e-7

2.7090e-8

27.3

MMK

HHN

7.8356e-6

1.1591e-6

0.0000e+0

8.4553e-7

1.4296e-6

2.6986e-5

1.8896e-6

1.4825e-7

3.0181e-8

27.3

MMK

HHE

5.7136e-6

6.0456e-7

0.0000e+0

4.4168e-7

7.7997e-7

1.0806e-6

1.1289e-5

1.4538e-6

8.9820e-8

1.6217e-8

27.3

CIRO

HHZ

4.6133e-6

5.4379e-7

0.0000e+0

3.4976e-7

6.4828e-7

9.0123e-7

9.2547e-6

9.2775e-7

9.1681e-8

1.2488e-8

44.4

186

CIRO

HHN

8.5339e-6

7.9382e-7

0.0000e+0

4.0974e-7

7.8834e-7

9.1017e-6

1.4324e-6

6.7209e-8

1.5748e-8

44.4

186

CIRO

HHE

7.7556e-6

8.4420e-7

0.0000e+0

5.0549e-7

9.0244e-7

1.2871e-6

1.0666e-5

1.8044e-6

1.0286e-7

1.5566e-8

44.4

186

BLANC

HHZ

1.5548e-6

2.4977e-7

0.0000e+0

1.6974e-7

3.0272e-7

4.3201e-7

3.3450e-6

6.9388e-7

4.2131e-8

7.3598e-9

56.1

-1

BLANC

HHN

1.8725e-6

3.0320e-7

0.0000e+0

2.1354e-7

4.1842e-7

3.6250e-6

6.8791e-7

1.5890e-7

1.1810e-8

56.1

-1

BLANC

HHE

2.6222e-6

4.5003e-7

0.0000e+0

3.0764e-7

5.5559e-7

7.9411e-7

5.1620e-6

1.4460e-6

9.0321e-8

1.1441e-8

56.1

-1

LSD

HHZ

3.5583e-6

4.9722e-7

0.0000e+0

3.6756e-7

6.1137e-7

8.3339e-7

8.7112e-6

1.4479e-6

5.1346e-8

1.3737e-8

71.0

213

LSD

HHN

4.8402e-6

5.3075e-7

0.0000e+0

2.8291e-7

5.2818e-7

7.7032e-6

1.0037e-6

4.9136e-8

1.1500e-8

71.0

213

LSD

HHE

5.0686e-6

5.4042e-7

0.0000e+0

3.1419e-7

5.4519e-7

7.6418e-7

7.4351e-6

8.6986e-7

5.8697e-8

1.1778e-8

71.0

213

RSP

HHZ

1.1937e-6

2.0343e-7

0.0000e+0

1.6036e-7

2.8403e-7

3.8954e-7

3.7245e-6

4.9789e-7

6.2248e-8

6.9173e-9

98.6

197

RSP

HHN

1.9348e-6

3.1651e-7

0.0000e+0

2.3195e-7

3.9229e-7

3.8120e-6

6.9033e-7

7.5825e-8

1.0951e-8

98.6

197

RSP

HHE

2.1434e-6

4.3111e-7

0.0000e+0

3.4612e-7

5.9425e-7

8.0395e-7

5.4036e-6

1.1400e-6

1.3926e-7

1.0800e-8

98.6

197

*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: Alpi Pennine , magnitude (ML): 1.3 2026-05-15 04:33:50 (UTC)

AUTOMATIC Location - Area: Alpi Pennine , magnitude (M_L): 1.3
2026-05-15 04:33:50 (UTC)