MANUAL Location - Area: Val di Taro , magnitude (ML): 1.0
2025-10-10 09:08:09 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-10-10 09:52:53

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Earthquake info - Manual location
Event - ID :251010090726
Magnitude (ML) :1.0 +/- 0.2
Origin Time :2025-10-10 09:08:09.909 (UTC)
Location : Latitude: 44.510 N, Longitude: 9.566 E
Area :Val di Taro
Depth (km) :9.52
Distances (km) : 5.1 --- Bedonia
5.4 --- Tornolo
7.8 --- Compiano
10.1 --- Santo Stefano d Aveto
12.7 --- Albareto
14.3 --- Rezzoaglio
14.8 --- Varese Ligure
16.1 --- Ferriere
16.2 --- Borgo Val di Taro
17.1 --- Borzonasca
18.8 --- Bardi
19.2 --- Maissana
20.4 --- Mezzanego
21.1 --- Fontanigorda
22.4 --- Ottone
22.6 --- Ne
22.7 --- Farini
23.5 --- Zeri
23.9 --- Rovegno
24.3 --- Gorreto

Quality location estimate: Erh: 0.5 km, Erz: 0.6 km, Nf: 16, Gap: 144 °, Rms: 0.09


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.
VRLIT2025-10-10 09:08:13.3460.02000.091.102025-10-10 09:08:15.7750.0400-0.011.6517.0
BVTIT2025-10-10 09:08:13.7270.02000.011.722025-10-10 09:08:16.4160.0400-0.140.9117.6
MSSAIV2025-10-10 09:08:14.5550.02410.061.412025-10-10 09:08:17.9420.0400-0.101.2024.2
GORRGU2025-10-10 09:08:14.8980.0251-0.021.702025-10-10 09:08:18.4770.0400-0.410.1426.2
CARIT2025-10-10 09:08:15.6630.02000.011.702025-10-10 09:08:19.8210.0400-0.170.8331.2
TGLIT2025-10-10 09:08:16.0730.0200-0.071.432025-10-10 09:08:20.2710.0400-0.600.0733.5
GRAMGU2025-10-10 09:08:17.4040.02000.001.602025-10-10 09:08:23.6480.04000.920.0141.0
RNCAGU2025-10-10 09:08:19.0920.04010.540.042025-10-10 09:08:24.9980.04000.230.4949.9


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
BVT ITHN1.215.35e-117.681
MSSA IVHH0.871.38e-124.2190
GORR GUHH0.779.35e-226.2297
CAR ITHN1.181.75e-131.2172
TGL ITHN0.999.76e-233.5275
GRAM GUHH0.685.91e-241.093
RNCA GUHH1.278.58e-249.9265


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.
(°)
BVT ITHNZ2.1770e-51.7703e-61.1096e-66.4906e-72.6838e-72.5788e-57.6485e-62.9988e-74.3809e-817.681
BVT ITHNN3.1290e-58.4474e-64.5668e-61.1765e-66.9058e-71.1660e-42.1904e-51.1325e-61.7858e-717.681
BVT ITHNE2.8524e-54.9298e-63.8829e-61.8122e-67.6070e-75.8390e-52.0325e-51.0318e-61.2692e-717.681
MSSA IVHHZ1.2541e-51.5221e-67.7816e-72.1633e-71.0295e-73.3201e-52.8540e-61.6569e-73.4499e-824.2190
MSSA IVHHN1.1399e-52.3660e-61.1602e-63.1926e-71.8762e-74.2567e-54.0473e-62.8263e-75.1264e-824.2190
MSSA IVHHE1.3650e-51.7815e-68.9766e-72.6301e-71.4011e-73.1817e-52.4216e-62.0022e-73.8794e-824.2190
GORR GUHHZ5.2803e-68.6853e-75.2363e-71.9774e-77.7849e-81.1159e-52.8475e-61.0325e-71.8025e-826.2297
GORR GUHHN8.9631e-61.3929e-67.8509e-72.9261e-71.3056e-71.8479e-53.3562e-61.7504e-73.1492e-826.2297
GORR GUHHE6.4827e-61.3323e-66.7039e-72.2164e-79.2722e-82.3010e-53.7767e-61.4946e-72.9997e-826.2297
CAR ITHNZ9.6756e-61.4787e-68.1438e-72.7751e-71.7829e-71.9937e-53.8211e-62.4127e-73.6686e-831.2172
CAR ITHNN1.6319e-52.1238e-61.1563e-64.0677e-71.8457e-73.9725e-54.1298e-62.4632e-74.7559e-831.2172
CAR ITHNE1.9646e-53.5616e-61.5515e-66.0694e-72.7879e-74.3962e-58.8125e-64.3906e-76.5985e-831.2172
TGL ITHNZ5.7124e-68.0167e-74.6564e-72.9355e-71.5759e-79.0445e-62.1144e-61.8939e-71.6093e-833.5275
TGL ITHNN6.1741e-61.3062e-68.8555e-73.1414e-71.5157e-71.1210e-53.6633e-62.0996e-72.7786e-833.5275
TGL ITHNE5.9210e-61.1418e-68.9253e-73.2801e-71.8642e-71.1910e-56.0064e-62.1833e-73.2712e-833.5275
GRAM GUHHZ3.5036e-65.1793e-72.6209e-71.2789e-77.0376e-84.0414e-61.1600e-61.0194e-71.0843e-841.093
GRAM GUHHN4.3127e-68.0177e-76.0340e-71.8119e-79.3193e-81.5244e-54.0783e-61.2467e-71.9118e-841.093
GRAM GUHHE3.6318e-67.0424e-76.0615e-72.1811e-79.0977e-87.7294e-63.0010e-61.2038e-71.6572e-841.093
RNCA GUHHZ3.8837e-67.1058e-74.5391e-71.1169e-75.3282e-81.1836e-52.3441e-67.6037e-81.7202e-849.9265
RNCA GUHHN3.0935e-65.6430e-73.9677e-71.3252e-76.6028e-87.7178e-62.8464e-69.5532e-81.2527e-849.9265
RNCA GUHHE7.5991e-61.5043e-68.4945e-71.8862e-79.4388e-82.0555e-54.1566e-61.6633e-73.4320e-849.9265
*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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