AUTOMATIC Location - Area: Alpi Graie , magnitude (ML): 1.6
2026-01-11 17:57:55 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2026-01-11 18:02:09

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Earthquake info - RsniPicker2 automatic location
Event - ID :260111175706
Magnitude (ML) :1.6 +/- 0.2
Origin Time :2026-01-11 17:57:55.49 (UTC)
Location : Latitude: 45.020 N, Longitude: 6.615 E
Area :Alpi Graie
Depth (km) :4.23
Distances (km) : 9.5 --- Bardonecchia (TO)
13.9 --- Claviere (TO)
16.0 --- Cesana Torinese (TO)
17.4 --- Oulx (TO)
19.4 --- Sauze d Oulx (TO)
21.4 --- Sauze di Cesana (TO)
22.0 --- Sestriere (TO)
22.2 --- Salbertrand (TO)
25.7 --- Pragelato (TO)
26.4 --- Exilles (TO)
31.4 --- Chiomonte (TO)
32.8 --- Usseaux (TO)
34.1 --- Gravere (TO)
34.2 --- Giaglione (TO)
34.7 --- Fenestrelle (TO)
34.8 --- Venaus (TO)
35.5 --- Massello (TO)
35.6 --- Salza di Pinerolo (TO)
35.7 --- Moncenisio (TO)
36.3 --- Mompantero (TO)

Quality location estimate:
Erh: 1.3 km, Erz: 1.5 km, Nf: 28, Gap: 178°, Rms: 0.333 s
Stazioni validate: 16


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.
RRLGU2026-01-11 17:57:59.7300.01000.011.732026-01-11 17:58:02.6000.0551-0.031.5918.2
OGMOFR2026-01-11 17:58:00.2900.01200.001.732026-01-11 17:58:03.1100.0661-0.401.0222.0
OGAGFR2026-01-11 17:58:00.3200.0130-0.670.792026-01-11 17:58:03.3920.1932-1.440.1427.0
RSPGU2026-01-11 17:58:05.7900.03300.121.212026-01-11 17:58:12.4200.3152-0.251.1353.2
BHBGU2026-01-11 17:58:06.0500.0290-0.051.492026-01-11 17:58:13.0030.1832-0.411.1155.2
SURFFR2026-01-11 17:58:06.7600.0310-0.371.042026-01-11 17:58:14.8100.1862-0.770.7062.1
LSDGU2026-01-11 17:58:07.2200.0330-0.151.282026-01-11 17:58:14.7400.1912-0.720.7763.7
PZZGU2026-01-11 17:58:07.8500.0350-0.381.052026-01-11 17:58:16.7800.2092-0.620.8969.6
MRGEIV2026-01-11 17:58:11.4800.0460-0.630.902026-01-11 17:58:23.1100.2722-0.341.0790.5
CIROGU2026-01-11 17:58:13.3200.0511-0.630.902026-01-11 17:58:24.8700.3272-1.540.1998.8
ISOFR2026-01-11 17:58:13.3300.05000.051.272026-01-11 17:58:24.6100.7023-1.200.4699.2
STVGU2026-01-11 17:58:13.7200.05710.190.96--:---.-----.---.-- 103.0
OGDIFR2026-01-11 17:58:14.8800.0521-0.081.32--:---.-----.---.-- 106.1
ENRGU2026-01-11 17:58:14.5600.05510.210.922026-01-11 17:58:26.8500.5543-0.880.63108.6
OROIV2026-01-11 17:58:17.7700.06510.260.80--:---.-----.---.-- 126.4
SATIGU2026-01-11 17:58:20.1200.07010.210.89--:---.-----.---.-- 136.5


RsniPicker2 - Automatic magnitude (ML) calculation results
Station Net Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth Used
RRL GU1.607.99e-118.2128SI
RSP GU1.601.55e-153.274SI
BHB GU1.601.26e-155.2112SI
LSD GU1.508.79e-263.740SI
PZZ GU1.601.67e-169.6145SI
MRGE IV1.402.51e-290.523SI
CIRO GU1.702.83e-298.849SI
ISO FR1.101.37e-299.2159SI
STV GU1.502.12e-2103.0147SI
ENR GU1.807.13e-2108.6144SI
ORO IV2.006.10e-2126.457SI
SATI GU1.701.43e-2136.546SI


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.
(°)
RRL GUHHZ2.6082e-53.6626e-60.0000e+03.1559e-65.8807e-68.0054e-66.6766e-51.2974e-51.0873e-61.0315e-718.2128
RRL GUHHN3.8676e-58.5114e-60.0000e+04.5723e-68.8551e-68.8551e-67.6704e-51.9530e-51.4401e-62.2237e-718.2128
RRL GUHHE5.1153e-57.3278e-60.0000e+05.6587e-61.0003e-51.3538e-51.7154e-42.4288e-51.5060e-62.1674e-718.2128
RSP GUHHZ1.4065e-51.8617e-60.0000e+01.1060e-62.0091e-62.8410e-62.8062e-52.1180e-61.6176e-73.7070e-853.274
RSP GUHHN1.5790e-52.4230e-60.0000e+01.7280e-62.9415e-62.9415e-64.1160e-54.2795e-62.8025e-75.4002e-853.274
RSP GUHHE2.2022e-53.3403e-60.0000e+01.9050e-63.4694e-65.0124e-67.4054e-54.4620e-64.1262e-78.1893e-853.274
BHB GUHHZ1.1246e-51.7969e-60.0000e+01.1531e-61.9748e-62.7598e-63.2612e-53.8739e-62.8002e-73.3925e-855.2112
BHB GUHHN1.5480e-52.6219e-60.0000e+01.4821e-62.7419e-62.7419e-66.0703e-54.3207e-63.1814e-75.7179e-855.2112
BHB GUHHE9.2262e-61.8333e-60.0000e+01.0673e-62.0593e-62.9870e-63.8596e-53.5766e-63.2861e-73.6087e-855.2112
LSD GUHHZ9.8779e-61.1263e-60.0000e+08.8155e-71.4920e-62.0347e-61.7063e-52.8658e-61.5146e-72.6401e-863.740
LSD GUHHN1.1565e-51.6522e-60.0000e+09.9007e-71.8749e-61.8749e-63.3463e-53.0129e-62.0251e-73.9583e-863.740
LSD GUHHE1.1531e-51.4669e-60.0000e+01.0256e-61.8264e-62.5674e-62.6840e-53.2636e-61.9703e-73.7176e-863.740
PZZ GUHHZ8.0105e-61.7093e-60.0000e+01.5191e-62.5014e-63.3427e-62.3279e-55.5328e-62.7814e-74.4818e-869.6145
PZZ GUHHN8.6003e-61.4142e-60.0000e+01.3048e-62.0998e-62.0998e-62.6968e-55.4785e-64.4104e-74.5505e-869.6145
PZZ GUHHE1.1737e-51.9703e-60.0000e+01.9160e-62.9827e-63.9598e-62.1471e-51.1623e-54.5392e-76.2333e-869.6145
MRGE IVHHZ1.2074e-62.2659e-70.0000e+01.5513e-72.8179e-74.0022e-71.9572e-61.0501e-67.3661e-81.0759e-890.523
MRGE IVHHN2.0863e-62.9866e-70.0000e+01.9880e-74.3512e-74.3512e-75.4188e-67.5115e-71.1266e-79.7107e-990.523
MRGE IVHHE2.0921e-62.4938e-70.0000e+01.5099e-73.2982e-75.0815e-73.2813e-66.3630e-71.5679e-79.2674e-990.523
CIRO GUHHZ1.1943e-62.8232e-70.0000e+02.1390e-73.8789e-75.2759e-75.3397e-66.2888e-76.6353e-87.2171e-998.849
CIRO GUHHN1.7219e-62.2730e-70.0000e+02.2128e-73.5665e-73.5665e-75.8685e-61.1728e-67.0120e-86.4306e-998.849
CIRO GUHHE2.1611e-63.0645e-70.0000e+02.8198e-74.6589e-76.2569e-77.3044e-61.4491e-66.1443e-88.9308e-998.849
ISO FRHHZ1.0964e-61.6216e-70.0000e+01.2769e-72.2220e-73.0488e-73.6607e-64.7319e-75.6993e-88.2749e-999.2159
ISO FRHHN1.0736e-61.4007e-70.0000e+01.0665e-71.8289e-71.8289e-72.3150e-65.4802e-74.6086e-86.3530e-999.2159
ISO FRHHE9.4628e-71.7444e-70.0000e+01.3397e-72.4585e-73.5995e-72.9688e-64.9627e-77.8004e-86.1181e-999.2159
STV GUHHZ1.9598e-62.1474e-70.0000e+01.8428e-73.1202e-74.3967e-74.0397e-68.3480e-77.4569e-88.9628e-9103.0147
STV GUHHN1.3967e-61.9179e-70.0000e+01.5770e-72.7388e-72.7388e-73.8480e-65.5946e-76.1751e-89.1875e-9103.0147
STV GUHHE1.3400e-63.0311e-70.0000e+01.7723e-73.2031e-74.6269e-73.3309e-65.2127e-77.6247e-81.0466e-8103.0147
ENR GUHHZ3.0120e-63.8458e-70.0000e+03.0868e-75.4531e-77.8311e-71.0482e-51.0044e-61.7922e-71.7397e-8108.6144
ENR GUHHN6.6577e-67.8442e-70.0000e+05.2103e-71.0100e-61.0100e-61.1617e-51.3410e-62.2893e-73.2886e-8108.6144
ENR GUHHE1.0026e-51.2093e-60.0000e+07.4283e-71.3167e-61.8920e-61.9767e-51.8814e-62.2170e-73.1767e-8108.6144
SATI GUHHZ6.5908e-79.0212e-80.0000e+07.6049e-81.3295e-71.8763e-71.6431e-62.6699e-74.8422e-85.2371e-9136.546
SATI GUHHN8.9634e-71.2249e-70.0000e+09.7522e-81.7454e-71.7454e-72.3540e-64.3477e-73.5114e-85.0545e-9136.546
SATI GUHHE1.4830e-62.1293e-70.0000e+01.0435e-71.9913e-72.9185e-73.7285e-63.6447e-74.1011e-88.1746e-9136.546
*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)

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