AUTOMATIC Location - Area: Alpi Cozie , magnitude (ML): 0.4
2025-10-08 21:58:19 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-10-08 22:02:11

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Earthquake info - RsniPicker2 automatic location
Event - ID :251008215653
Magnitude (ML) :0.4 +/- 0.4
Origin Time :2025-10-08 21:58:19.18 (UTC)
Location : Latitude: 44.595 N, Longitude: 6.723 E
Area :Alpi Cozie
Depth (km) :1.38
Distances (km) : 23.4 --- Bellino (CN)
24.4 --- Pontechianale (CN)
25.0 --- Acceglio (CN)
27.5 --- Casteldelfino (CN)
27.8 --- Argentera (CN)
29.1 --- Prazzo (CN)
29.7 --- Elva (CN)
32.4 --- Canosio (CN)
33.1 --- Marmora (CN)
33.5 --- Stroppo (CN)
36.4 --- Crissolo (CN)
37.1 --- Sampeyre (CN)
37.1 --- Pietraporzio (CN)
37.7 --- Macra (CN)
38.2 --- Oncino (CN)
38.3 --- Celle di Macra (CN)
38.5 --- Claviere (TO)
38.6 --- Ostana (CN)
39.4 --- Bobbio Pellice (TO)
39.9 --- Sambuco (CN)

Quality location estimate:
Erh: 1.2 km, Erz: 1 km, Nf: 11, Gap: 175°, Rms: 0.108 s
Stazioni validate: 6


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.
SURFFR2025-10-08 21:58:22.4590.01200.011.622025-10-08 21:58:24.8400.0440-0.031.6314.6
OGAGFR--:---.-----.---.--2025-10-08 21:58:27.6700.0781-0.660.0825.9
PZZGU2025-10-08 21:58:25.8400.0160-0.141.102025-10-08 21:58:30.9100.0981-0.021.2732.6
RRLGU2025-10-08 21:58:26.7600.02300.011.562025-10-08 21:58:31.7390.1102-0.151.0536.7
BHBGU2025-10-08 21:58:29.1700.02500.071.21--:---.-----.---.-- 50.4
TURFFR2025-10-08 21:58:35.1500.0480-0.200.912025-10-08 21:58:45.6300.2912-1.150.0787.1
QLNOIV2025-10-08 21:58:42.5700.38820.240.51--:---.-----.---.-- 132.3


RsniPicker2 - Automatic magnitude (ML) calculation results
Station Net Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth Used
PZZ GU0.203.08e-232.6107SI
RRL GU0.107.34e-336.78SI
BHB GU0.207.34e-350.458SI
QLNO IV1.106.75e-3132.3103SI


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.
(°)
PZZ GUHHZ2.2305e-63.5244e-70.0000e+02.3230e-73.9437e-75.5838e-74.2468e-61.1654e-64.2478e-87.2954e-932.6107
PZZ GUHHN3.0273e-66.5557e-70.0000e+03.6159e-76.6963e-76.6963e-76.3487e-68.5816e-75.3173e-81.3317e-832.6107
PZZ GUHHE2.0865e-64.0028e-70.0000e+02.5057e-74.4376e-76.1684e-74.2765e-61.2979e-66.6345e-81.0124e-832.6107
RRL GUHHZ6.8552e-71.0178e-70.0000e+05.6449e-81.0363e-71.4806e-71.7255e-62.4088e-72.2065e-83.3409e-936.78
RRL GUHHN5.9254e-79.7502e-80.0000e+09.1638e-81.5032e-71.5032e-72.7619e-63.4069e-72.5702e-83.0254e-936.78
RRL GUHHE6.6200e-71.0894e-70.0000e+07.6209e-81.3875e-71.8568e-71.7681e-63.1516e-72.6754e-83.7740e-936.78
BHB GUHHZ8.6206e-71.0506e-70.0000e+08.0246e-81.3914e-71.9497e-72.6593e-61.8903e-72.8439e-83.5113e-950.458
BHB GUHHN7.7795e-79.5313e-80.0000e+07.2231e-81.2097e-71.2097e-71.6330e-62.5572e-72.2850e-82.2962e-950.458
BHB GUHHE6.7308e-79.5736e-80.0000e+07.1612e-81.2402e-71.7170e-71.3683e-62.6137e-72.1165e-83.6051e-950.458
QLNO IVHHZ2.1827e-62.6691e-70.0000e+01.1930e-72.4382e-73.7264e-75.5346e-61.7584e-73.7963e-86.4891e-9132.3103
QLNO IVHHN1.9291e-62.0418e-70.0000e+09.3095e-81.8522e-71.8522e-72.5814e-61.5955e-73.1304e-84.9880e-9132.3103
QLNO IVHHE4.3238e-64.7352e-70.0000e+02.0632e-74.3223e-76.5867e-75.4475e-62.9686e-73.7061e-89.6198e-9132.3103
*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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