MANUAL Location - Area: Alpi Cozie , magnitude (ML): 0.3
2025-10-07 06:58:13 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-10-07 07:12:33

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Earthquake info - Manual location
Event - ID :251007065740
Magnitude (ML) :0.3 +/- 0.2
Origin Time :2025-10-07 06:58:13.014 (UTC)
Location : Latitude: 44.379 N, Longitude: 7.310 E
Area :Alpi Cozie
Depth (km) :15.71
Distances (km) : 3.6 --- Monterosso Grana
5.1 --- Pradleves
6.7 --- Valgrana
6.7 --- Valloriate
7.0 --- Demonte
7.7 --- Rittana
8.4 --- Montemale di Cuneo
8.5 --- Castelmagno
9.0 --- Moiola
9.0 --- Gaiola
10.0 --- Bernezzo
10.2 --- Aisone
10.3 --- Caraglio
10.8 --- Dronero
11.1 --- Roccasparvera
11.2 --- Cartignano
11.3 --- Roccabruna
12.6 --- Cervasca
12.9 --- Villar San Costanzo
12.9 --- Vignolo

Quality location estimate: Erh: 1.3 km, Erz: 2.3 km, Nf: 22, Gap: 113 °, Rms: 0.43


Manual location results
Station Net P arrival time P pick
err
P pick
weight
P res Nll
weight
S arrival time S pick
err
S pick
weight
S res Nll
weight
Dist.
VINDIV2025-10-07 06:58:16.1690.0200-0.730.022025-10-07 06:58:18.1950.0400-1.380.0020.5
STVGU2025-10-07 06:58:17.6620.02000.661.062025-10-07 06:58:19.7540.0400-0.021.6022.3
ENRGU2025-10-07 06:58:17.5670.04010.111.382025-10-07 06:58:20.6170.10020.061.4825.2
PZZGU2025-10-07 06:58:18.6100.04020.551.132025-10-07 06:58:21.7000.06910.021.5727.1
ISOFR2025-10-07 06:58:20.3530.02001.240.032025-10-07 06:58:23.8830.04000.621.1734.3
SURFFR2025-10-07 06:58:21.6600.12160.511.052025-10-07 06:58:27.1120.12330.091.2944.0
GBOSGU2025-10-07 06:58:22.3400.02310.890.582025-10-07 06:58:27.6900.17550.421.0647.8
TURFFR2025-10-07 06:58:22.8050.02000.940.512025-10-07 06:58:28.4470.10020.271.0548.0
SAOFFR2025-10-07 06:58:22.1870.0200-0.051.462025-10-07 06:58:28.6800.0400-0.061.2450.4
BHBGU2025-10-07 06:58:22.0200.0200-0.041.532025-10-07 06:58:29.2640.04000.870.7353.4
MGROGU2025-10-07 06:58:23.9000.05120.591.162025-10-07 06:58:30.6600.43190.010.9057.3


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
STV GUHH0.403.63e-222.3175
ENR GUHH0.651.07e-125.2153
PZZ GUHH0.244.44e-227.1313
GBOS GUHH0.711.30e-247.8110
TURF FRHH0.248.62e-348.0172
SAOF FRHH0.125.99e-350.4156
BHB GUHH0.307.32e-353.4356
MGRO GUHH0.114.48e-357.3133


Results of PGA, PGV, IH, spectral amplitudes (SA) values calculation
Station Net Channel PGA
(g)
PGV
(m/s)
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 GUHHZ1.0590e-59.6199e-71.3382e-74.1310e-82.4000e-86.1405e-65.9805e-74.8328e-81.4428e-822.3175
STV GUHHN5.4554e-66.1012e-71.3657e-74.1871e-82.5870e-87.3266e-64.9838e-74.7248e-89.1718e-922.3175
STV GUHHE9.9560e-61.1845e-62.4417e-76.3475e-83.7263e-81.8052e-57.7980e-78.6693e-82.4145e-822.3175
ENR GUHHZ2.9852e-52.6972e-64.1663e-71.5230e-78.1467e-82.3196e-51.8021e-61.5737e-74.4601e-825.2153
ENR GUHHN2.7735e-52.5699e-64.0528e-71.1350e-76.1197e-83.2931e-51.4731e-61.4713e-74.2703e-825.2153
ENR GUHHE5.3125e-53.4322e-64.6709e-71.4572e-79.5164e-82.0943e-51.9400e-62.3214e-76.7583e-825.2153
PZZ GUHHZ4.1946e-64.1594e-72.3894e-77.3148e-82.9402e-86.5944e-61.2354e-64.7509e-89.8279e-927.1313
PZZ GUHHN6.2163e-68.2378e-74.2504e-71.2912e-75.8493e-87.3227e-61.7369e-69.5211e-81.6558e-827.1313
PZZ GUHHE3.9173e-65.6946e-72.9672e-76.6199e-84.3140e-88.2994e-69.2217e-76.5121e-81.2456e-827.1313
ISO FRHHZ1.0093e-61.0733e-76.6271e-82.4630e-81.4142e-81.4905e-63.8061e-72.4334e-83.1959e-934.3224
ISO FRHHN1.2884e-61.3598e-74.3139e-81.6350e-88.3276e-91.5689e-61.4103e-71.3828e-82.7690e-934.3224
ISO FRHHE1.3362e-61.6141e-74.9286e-81.4864e-88.6761e-92.3962e-61.8284e-71.4357e-83.2662e-934.3224
GBOS GUHHZ1.5530e-62.5086e-71.3058e-74.0286e-81.9911e-83.2695e-65.0494e-72.8920e-85.1244e-947.8110
GBOS GUHHN1.0544e-61.8969e-71.0472e-73.5080e-81.9318e-83.1014e-63.3076e-73.0624e-84.0155e-947.8110
GBOS GUHHE1.0486e-61.9528e-71.0662e-73.4638e-81.7638e-83.6754e-64.7887e-72.8239e-84.6914e-947.8110
TURF FRHHZ6.0932e-71.1705e-76.2040e-81.5746e-81.1439e-82.0599e-62.0750e-71.9897e-83.0444e-948.0172
TURF FRHHN1.0155e-61.4874e-78.0156e-82.0237e-81.7556e-82.5673e-63.2592e-73.4193e-83.8286e-948.0172
TURF FRHHE6.5175e-79.2787e-86.2594e-82.2619e-81.3653e-81.7782e-63.3606e-72.3373e-82.5066e-948.0172
SAOF FRHHZ3.7793e-75.2146e-83.9471e-82.4403e-83.5804e-81.1280e-62.3994e-76.0410e-86.7849e-950.4156
SAOF FRHHN3.3540e-74.8760e-82.7315e-81.5302e-81.1135e-86.8489e-71.5560e-71.5464e-81.2325e-950.4156
SAOF FRHHE4.2602e-76.8789e-84.2968e-81.6344e-81.1604e-81.2159e-63.0849e-71.6760e-81.7040e-950.4156
BHB GUHHZ6.0418e-77.5847e-84.8561e-82.8450e-81.9889e-81.0831e-61.8415e-74.1789e-81.8961e-953.4356
BHB GUHHN5.5511e-76.2121e-83.9591e-82.1561e-81.3168e-81.2147e-61.9137e-72.4212e-81.5997e-953.4356
BHB GUHHE7.7481e-71.0070e-75.0993e-83.1124e-82.1588e-81.3840e-61.9003e-74.3946e-82.7027e-953.4356
MGRO GUHHZ6.9285e-79.6091e-82.3877e-81.5025e-81.2250e-85.3806e-71.4295e-71.9012e-81.3073e-957.3133
MGRO GUHHN6.3274e-78.1638e-83.8779e-81.8130e-81.2404e-81.3655e-61.6750e-71.8034e-81.5885e-957.3133
MGRO GUHHE6.9111e-75.6975e-83.1918e-81.3690e-89.9304e-97.2987e-71.7746e-71.7053e-81.3163e-957.3133
*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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