AUTOMATIC Location - Area: Alpi Cozie , magnitude (ML): 0.4
2025-10-17 02:40:16 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-10-17 02:44:47

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Earthquake info - RsniPicker2 automatic location
Event - ID :251017023950
Magnitude (ML) :0.4 +/- 0.3
Origin Time :2025-10-17 02:40:16.09 (UTC)
Location : Latitude: 44.381 N, Longitude: 7.284 E
Area :Alpi Cozie
Depth (km) :1.94
Distances (km) : 4.3 --- Pradleves (CN)
4.4 --- Monterosso Grana (CN)
6.6 --- Castelmagno (CN)
7.3 --- Demonte (CN)
8.4 --- Valgrana (CN)
8.5 --- Valloriate (CN)
9.0 --- Aisone (CN)
9.7 --- Montemale di Cuneo (CN)
9.7 --- Rittana (CN)
10.7 --- Moiola (CN)
10.8 --- Cartignano (CN)
10.9 --- Gaiola (CN)
11.5 --- Dronero (CN)
11.7 --- Roccabruna (CN)
11.9 --- Vinadio (CN)
12.1 --- Bernezzo (CN)
12.2 --- Caraglio (CN)
12.3 --- San Damiano Macra (CN)
13.2 --- Roccasparvera (CN)
13.8 --- Villar San Costanzo (CN)

Quality location estimate:
Erh: 1.2 km, Erz: 1.2 km, Nf: 16, Gap: 111°, Rms: 0.234 s
Stazioni validate: 11


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.
STVGU2025-10-17 02:40:19.3200.00800.001.972025-10-17 02:40:21.2000.0490-0.330.4015.6
PZZGU2025-10-17 02:40:19.8890.0230-0.610.472025-10-17 02:40:22.5900.0521-1.020.1519.4
ENRGU--:---.-----.---.--2025-10-17 02:40:22.8790.0651-0.021.6920.1
ISOFR2025-10-17 02:40:21.7300.01300.021.922025-10-17 02:40:24.8300.0801-0.620.5128.8
TURFFR2025-10-17 02:40:25.0800.0230-0.041.65--:---.-----.---.-- 46.0
GBOSGU--:---.-----.---.--2025-10-17 02:40:31.0860.16320.011.1246.9
SAOFFR2025-10-17 02:40:25.7500.02500.081.362025-10-17 02:40:31.4200.4262-0.920.4048.9
BHBGU2025-10-17 02:40:25.4200.02600.001.692025-10-17 02:40:31.6600.1522-0.131.1150.6
ROROGU--:---.-----.---.--2025-10-17 02:40:37.5630.45720.080.6869.1
IMIGU--:---.-----.---.--2025-10-17 02:40:36.5990.8273-1.640.1971.5
RRLGU--:---.-----.---.--2025-10-17 02:40:38.2790.2452-0.480.7171.7


RsniPicker2 - Automatic magnitude (ML) calculation results
Station Net Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth Used
STV GU0.002.72e-215.6167SI
PZZ GU0.301.02e-119.4316SI
ENR GU0.409.42e-220.1148SI
ISO FR-0.209.16e-328.8221SI
GBOS GU0.508.10e-346.9109SI
SAOF FR0.308.99e-348.9154SI
BHB GU0.601.66e-250.6358SI
RORO GU0.609.35e-369.1115SI
IMI GU0.802.01e-271.5137SI
RRL GU0.706.64e-371.7327SI


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.
(°)
STV GUHHZ3.4747e-65.5643e-70.0000e+02.2069e-73.8247e-75.3409e-75.8881e-65.3020e-75.3192e-88.4562e-915.6167
STV GUHHN5.9326e-68.2734e-70.0000e+01.6976e-73.2845e-73.2845e-75.7608e-65.1328e-74.1809e-86.5740e-915.6167
STV GUHHE4.4990e-65.2661e-70.0000e+02.1845e-73.8496e-75.3870e-77.9268e-65.1177e-75.5000e-88.4287e-915.6167
PZZ GUHHZ1.0074e-51.1803e-60.0000e+07.7968e-71.3726e-61.9443e-61.9509e-52.1161e-61.1102e-72.3920e-819.4316
PZZ GUHHN1.3913e-52.1296e-60.0000e+08.9393e-71.6794e-61.6794e-62.5143e-51.6517e-61.4965e-73.2493e-819.4316
PZZ GUHHE1.2900e-51.3706e-60.0000e+09.0922e-71.5738e-62.2215e-62.1192e-52.0269e-61.4961e-72.8794e-819.4316
ENR GUHHZ1.0627e-59.1979e-70.0000e+04.7303e-78.9612e-71.3334e-61.7843e-58.0002e-78.9773e-81.8242e-820.1148
ENR GUHHN2.6709e-52.7705e-60.0000e+01.0490e-62.1636e-62.1636e-62.7297e-51.8676e-61.6985e-74.8621e-820.1148
ENR GUHHE2.7648e-52.5035e-60.0000e+09.9279e-71.9317e-62.8560e-63.0946e-51.5822e-61.6071e-74.5165e-820.1148
ISO FRHHZ1.2048e-61.9704e-70.0000e+05.5754e-81.0440e-71.5185e-71.1663e-61.3764e-72.4764e-83.2655e-928.8221
ISO FRHHN1.3877e-61.4070e-70.0000e+05.9049e-81.0871e-71.0871e-71.8597e-61.6104e-72.6204e-82.9302e-928.8221
ISO FRHHE1.0816e-61.6344e-70.0000e+04.8192e-81.0104e-71.4654e-71.4401e-61.4416e-72.4128e-82.7526e-928.8221
GBOS GUHHZ8.0594e-71.6571e-70.0000e+01.0356e-71.7882e-72.5648e-73.2807e-62.3677e-74.5196e-85.4918e-946.9109
GBOS GUHHN6.1174e-79.6130e-80.0000e+07.3682e-81.3737e-71.3737e-71.6864e-63.3978e-75.7243e-84.1605e-946.9109
GBOS GUHHE7.9121e-71.0052e-70.0000e+08.2608e-81.3886e-71.9059e-72.4426e-62.3798e-72.7317e-83.3077e-946.9109
SAOF FRHHE7.9121e-71.0052e-70.0000e+08.2608e-81.3886e-71.9059e-72.4426e-62.3798e-72.7317e-83.3077e-948.9154
BHB GUHHZ1.7478e-62.1483e-70.0000e+01.3713e-72.4987e-73.8384e-74.7865e-63.5413e-71.7287e-77.7435e-950.6358
BHB GUHHN1.6442e-62.3626e-70.0000e+01.5910e-72.8837e-72.8837e-74.0207e-63.7287e-71.0959e-76.1894e-950.6358
BHB GUHHE1.7672e-62.4986e-70.0000e+01.4458e-72.5862e-73.9163e-72.6229e-63.2927e-71.3481e-77.1483e-950.6358
RORO GUHHZ7.2229e-71.1144e-70.0000e+07.0373e-81.3754e-72.1301e-71.9136e-62.3676e-76.7939e-85.1410e-969.1115
RORO GUHHN8.1645e-71.1693e-70.0000e+08.7581e-81.6452e-71.6452e-72.4168e-64.1197e-75.1814e-84.3368e-969.1115
RORO GUHHE8.3134e-71.4750e-70.0000e+09.5933e-81.7146e-72.5749e-73.5965e-62.7894e-75.1651e-84.5103e-969.1115
IMI GUHHZ4.8314e-77.9326e-80.0000e+04.7520e-81.0472e-71.7882e-71.2511e-61.6100e-75.8930e-89.5814e-971.5137
IMI GUHHN1.3159e-61.5673e-70.0000e+01.1316e-72.5120e-72.5120e-73.0422e-64.2513e-71.3343e-79.6472e-971.5137
IMI GUHHE9.2159e-71.1998e-70.0000e+06.7132e-81.3705e-72.2428e-71.7237e-62.6826e-77.8160e-87.5081e-971.5137
RRL GUHHZ4.2230e-75.6270e-80.0000e+03.8216e-86.8962e-89.9821e-88.5882e-71.9088e-73.8586e-83.8064e-971.7327
RRL GUHHN5.0627e-79.0396e-80.0000e+06.9323e-81.1673e-71.1673e-72.4438e-63.3244e-73.5103e-84.9265e-971.7327
RRL GUHHE5.2986e-78.5406e-80.0000e+05.9583e-81.0470e-71.4757e-71.8531e-62.0893e-74.2188e-85.5902e-971.7327
*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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