AUTOMATIC Location - Area: Alpi Marittime , magnitude (ML): 0.8
2025-10-04 11:01:49 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-10-04 11:05:26

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Earthquake info - RsniPicker2 automatic location
Event - ID :251004110015
Magnitude (ML) :0.8 +/- 0.7
Origin Time :2025-10-04 11:01:49.22 (UTC)
Location : Latitude: 44.233 N, Longitude: 7.346 E
Area :Alpi Marittime
Depth (km) :18.19
Distances (km) : 4.3 --- Entracque (CN)
6.5 --- Valdieri (CN)
9.7 --- Roaschia (CN)
10.0 --- Demonte (CN)
10.4 --- Moiola (CN)
12.0 --- Valloriate (CN)
12.5 --- Gaiola (CN)
13.6 --- Aisone (CN)
13.9 --- Rittana (CN)
14.2 --- Roccavione (CN)
14.3 --- Roccasparvera (CN)
15.0 --- Robilante (CN)
15.1 --- Vernante (CN)
15.8 --- Borgo San Dalmazzo (CN)
16.1 --- Vinadio (CN)
17.3 --- Vignolo (CN)
18.5 --- Bernezzo (CN)
18.8 --- Limone Piemonte (CN)
19.4 --- Cervasca (CN)
19.7 --- Boves (CN)

Quality location estimate:
Erh: 6.8 km, Erz: 3.7 km, Nf: 8, Gap: 163°, Rms: 0.219 s
Stazioni validate: 5


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.
STVGU--:---.-----.---.--2025-10-04 11:01:54.1060.1492-1.020.3018.3
ENRGU2025-10-04 11:01:52.9500.00400.011.852025-10-04 11:01:55.4700.0571-0.031.8219.1
ISOFR--:---.-----.---.--2025-10-04 11:01:58.6600.0911-0.031.5430.3
GBOSGU2025-10-04 11:01:56.9000.0871-0.061.552025-10-04 11:02:01.1750.1342-1.070.3043.4
RSPGU--:---.-----.---.--2025-10-04 11:02:17.9800.33420.120.63103.6
BDIIV2025-10-04 11:01:27.4000.1352-59.280.00--:---.-----.---.-- 260.7


RsniPicker2 - Automatic magnitude (ML) calculation results
Station Net Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth Used
STV GU0.405.69e-218.3311SI
ENR GU0.501.31e-119.194SI
ISO FR-0.208.69e-330.3257SI
GBOS GU1.003.35e-243.489SI
RSP GU1.201.45e-2103.6356SI
BDI IV2.008.02e-3260.793SI


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 GUHHZ1.3004e-51.5363e-60.0000e+03.7258e-77.0920e-71.0348e-68.5602e-67.0415e-76.8380e-81.6977e-818.3311
STV GUHHN9.1131e-68.5878e-70.0000e+02.6715e-75.1026e-75.1026e-79.2334e-65.6898e-75.8649e-81.3307e-818.3311
STV GUHHE1.4297e-51.5034e-60.0000e+05.1148e-79.7853e-71.4424e-61.9593e-57.8521e-77.4662e-82.0599e-818.3311
ENR GUHHZ3.2504e-52.6342e-60.0000e+04.1399e-78.6375e-71.2991e-61.2938e-58.4832e-78.8097e-82.0713e-819.194
ENR GUHHN4.2303e-53.9392e-60.0000e+01.0656e-62.2178e-62.2178e-62.2326e-51.4019e-61.8593e-75.5763e-819.194
ENR GUHHE7.0738e-54.5111e-60.0000e+09.5926e-72.0037e-63.0276e-62.0649e-51.6125e-61.6054e-74.4459e-819.194
ISO FRHHZ8.1811e-71.0398e-70.0000e+04.2970e-87.7905e-81.1356e-71.2798e-61.2533e-72.1676e-83.0997e-930.3257
ISO FRHHN1.2910e-61.4767e-70.0000e+06.2881e-81.1898e-71.1898e-71.9349e-61.3827e-73.0784e-83.8058e-930.3257
ISO FRHHE1.4890e-61.6119e-70.0000e+06.3722e-81.1893e-71.7934e-71.7277e-61.4402e-72.0265e-83.9522e-930.3257
GBOS GUHHZ1.6262e-62.5730e-70.0000e+01.8281e-73.3167e-74.6556e-74.4309e-65.0691e-75.5920e-89.6983e-943.489
GBOS GUHHN1.2448e-62.7794e-70.0000e+01.7486e-73.8323e-73.8323e-74.2120e-65.9478e-71.6894e-71.5792e-843.489
GBOS GUHHE1.1705e-62.6523e-70.0000e+01.6917e-73.1649e-74.4715e-73.9642e-65.4201e-73.9782e-86.1868e-943.489
RSP GUHHZ1.2030e-61.2204e-70.0000e+05.4473e-81.1123e-71.6804e-75.2651e-71.2789e-75.1472e-84.7808e-9103.6356
RSP GUHHN1.3637e-61.3734e-70.0000e+05.4108e-81.0978e-71.0978e-78.6624e-71.6009e-74.6339e-85.2338e-9103.6356
RSP GUHHE1.2022e-68.8202e-80.0000e+04.7467e-81.0515e-71.5868e-71.0913e-61.5688e-75.0234e-86.5171e-9103.6356
BDI IVHHZ9.3368e-61.0110e-60.0000e+04.6137e-79.5098e-71.4354e-61.6439e-55.8311e-77.2800e-82.0941e-8260.793
BDI IVHHN1.6574e-51.6197e-60.0000e+06.2774e-71.2987e-61.2987e-61.7440e-57.7022e-79.1852e-83.3609e-8260.793
BDI IVHHE2.5839e-52.7654e-60.0000e+01.2072e-62.5285e-63.8150e-62.9906e-51.4483e-61.8568e-75.4012e-8260.793
*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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