MANUAL Location - Area: Alpi Cozie , magnitude (ML): 0.7
2025-11-05 11:12:34 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-11-05 16:52:30

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Earthquake info - Manual location
Event - ID :251105111146
Magnitude (ML) :0.7 +/- 0.2
Origin Time :2025-11-05 11:12:34.944 (UTC)
Location : Latitude: 44.460 N, Longitude: 7.280 E
Area :Alpi Cozie
Depth (km) :17.73
Distances (km) : 2.1 --- Cartignano
3.8 --- San Damiano Macra
4.5 --- Pradleves
5.3 --- Roccabruna
6.6 --- Monterosso Grana
6.6 --- Dronero
7.8 --- Castelmagno
8.0 --- Montemale di Cuneo
8.4 --- Villar San Costanzo
8.4 --- Celle di Macra
9.2 --- Macra
9.5 --- Valgrana
10.7 --- Valmala
11.9 --- Melle
12.5 --- Frassino
12.6 --- Caraglio
13.2 --- Stroppo
13.9 --- Brossasco
14.6 --- Venasca
14.8 --- Marmora

Quality location estimate: Erh: 1.8 km, Erz: 2.6 km, Nf: 28, Gap: 120 °, Rms: 0.46


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.
PZZGU2025-11-05 11:12:39.3580.04720.001.452025-11-05 11:12:42.0000.0621-0.541.4823.7
VINDIV2025-11-05 11:12:40.0880.02000.370.262025-11-05 11:12:42.9780.0400-0.081.1925.8
STVGU2025-11-05 11:12:40.3240.02000.001.492025-11-05 11:12:43.5580.0902-0.541.4130.5
ENRGU2025-11-05 11:12:40.9100.01500.081.102025-11-05 11:12:44.3530.0992-0.621.3633.7
ISOFR2025-11-05 11:12:42.7600.03010.630.052025-11-05 11:12:47.0300.1785-0.021.0440.3
SURFFR2025-11-05 11:12:42.5000.0201-0.041.362025-11-05 11:12:47.5200.1223-0.551.3141.2
BHBGU2025-11-05 11:12:42.1390.0200-0.551.522025-11-05 11:12:46.7300.3567-1.380.3545.5
GBOSGU2025-11-05 11:12:44.2900.02510.031.282025-11-05 11:12:50.2400.1604-0.561.2454.0
SAOFFR2025-11-05 11:12:44.8200.0200-0.810.912025-11-05 11:12:51.9150.0400-1.310.2759.8
MGROGU2025-11-05 11:12:45.9230.0200-0.521.422025-11-05 11:12:53.3900.4249-1.310.4665.6
MVIFFR2025-11-05 11:12:47.2380.02000.360.362025-11-05 11:12:54.8200.2026-0.701.0965.9
RRLGU2025-11-05 11:12:46.2610.0200-0.461.292025-11-05 11:12:54.1810.1002-0.850.9267.2
ROROGU2025-11-05 11:12:46.8380.0200-0.910.712025-11-05 11:12:56.4700.4599-0.421.0175.7
IMIGU2025-11-05 11:12:48.3180.0200-0.240.892025-11-05 11:12:57.5000.2426-0.970.7780.4


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
PZZ GUHH0.802.07e-123.7292
STV GUHH0.562.97e-230.5171
ENR GUHH0.941.21e-133.7157
GBOS GUHH1.002.02e-254.0118
MGRO GUHH0.436.93e-365.6138
RRL GUHH0.353.77e-367.2323
RORO GUHH0.821.27e-275.7121
IMI GUHH0.731.20e-280.4141


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.
(°)
PZZ GUHHZ2.6361e-53.8054e-61.6993e-63.8058e-71.9010e-75.3866e-56.8390e-63.0823e-77.9334e-823.7292
PZZ GUHHN3.4253e-54.6079e-61.3025e-64.6407e-72.8826e-73.9023e-55.0231e-64.9084e-71.0544e-723.7292
PZZ GUHHE2.1870e-53.8963e-61.3674e-63.2573e-72.0617e-73.0020e-55.2404e-63.8703e-78.9295e-823.7292
STV GUHHZ4.9963e-65.3027e-71.9279e-74.8068e-82.8147e-85.2476e-68.2564e-75.2734e-81.1574e-830.5171
STV GUHHN5.7201e-66.8845e-71.9043e-75.3151e-83.3378e-89.3343e-66.7782e-76.5459e-81.5268e-830.5171
STV GUHHE7.8423e-68.5173e-71.7240e-74.2538e-82.5754e-85.8399e-65.8341e-75.3880e-81.6243e-830.5171
ENR GUHHZ1.4595e-51.3890e-63.1814e-71.2028e-75.6417e-81.3352e-51.2676e-69.7150e-82.3103e-833.7157
ENR GUHHN5.3407e-54.7295e-66.4580e-72.1212e-71.1544e-73.6658e-52.5616e-63.0507e-78.4864e-833.7157
ENR GUHHE3.7348e-53.0242e-67.9145e-72.2755e-71.4151e-72.3185e-52.9176e-62.4926e-75.1365e-833.7157
ISO FRHHZ1.3755e-61.7902e-78.0871e-82.4351e-81.3706e-81.8681e-63.4513e-71.9917e-83.1161e-940.3211
ISO FRHHN2.4133e-62.3301e-76.5451e-81.7632e-81.1727e-82.3014e-62.5390e-72.1777e-84.1322e-940.3211
ISO FRHHE2.0680e-63.3979e-71.1218e-73.6750e-82.0479e-83.7717e-65.1437e-73.8487e-87.4954e-940.3211
BHB GUHHZ2.7769e-62.9017e-78.2094e-83.5511e-82.2349e-83.7256e-63.8633e-75.3748e-86.4500e-945.5358
BHB GUHHN1.8070e-61.9433e-77.9044e-83.1451e-81.8920e-82.7521e-63.8709e-73.5356e-84.9281e-945.5358
BHB GUHHE1.9882e-62.0100e-78.3119e-83.8680e-81.8232e-82.5546e-63.0804e-73.7550e-84.1237e-945.5358
GBOS GUHHZ1.2405e-62.2886e-71.2063e-74.2413e-81.8469e-84.5552e-66.1059e-72.9018e-84.9358e-954.0118
GBOS GUHHN1.1755e-61.8184e-71.1942e-75.0246e-82.6080e-82.4022e-65.5922e-73.2479e-85.2163e-954.0118
GBOS GUHHE2.0770e-63.6811e-71.8192e-75.2413e-82.6409e-84.8220e-67.4157e-74.6929e-89.3907e-954.0118
SAOF FRHHZ3.7367e-74.6510e-83.0555e-81.1322e-87.7561e-97.7200e-71.4967e-71.0563e-81.4830e-959.8157
SAOF FRHHN4.5350e-75.3127e-82.7119e-81.6024e-81.6968e-81.1957e-61.1366e-72.3753e-84.2808e-959.8157
SAOF FRHHE6.2789e-76.0452e-82.7466e-81.3079e-88.6604e-99.4412e-71.3705e-71.4515e-81.2665e-959.8157
MGRO GUHHZ4.6868e-78.1110e-85.1683e-82.5831e-81.3058e-81.5247e-62.8067e-71.7566e-81.8124e-965.6138
MGRO GUHHN8.1473e-79.5375e-86.2542e-83.4016e-81.4840e-81.9051e-62.2099e-72.4579e-82.7181e-965.6138
MGRO GUHHE6.7011e-71.0717e-75.3932e-82.3546e-81.2598e-81.4498e-62.2694e-72.0496e-82.3169e-965.6138
RRL GUHHZ3.0915e-74.1784e-82.2692e-81.2357e-87.8732e-94.9042e-71.2811e-78.5399e-99.4195e-1067.2323
RRL GUHHN2.5413e-75.9454e-83.2801e-81.4481e-87.6528e-96.2300e-72.0541e-71.2139e-81.3944e-967.2323
RRL GUHHE2.6294e-74.3375e-83.5552e-81.9996e-89.9135e-97.8839e-71.9087e-71.4767e-81.5441e-967.2323
RORO GUHHZ1.0571e-61.2465e-77.9424e-83.1104e-81.4487e-82.4623e-64.5298e-72.4249e-83.6620e-975.7121
RORO GUHHN1.0705e-61.5904e-78.0548e-82.6698e-81.2602e-82.3481e-62.4566e-72.2406e-84.0340e-975.7121
RORO GUHHE1.0671e-62.0391e-79.7841e-83.1657e-81.8397e-83.3629e-64.2382e-72.9957e-84.6188e-975.7121
IMI GUHHZ7.0287e-79.5026e-85.3849e-81.9191e-81.1883e-81.4940e-63.7521e-71.4971e-82.0706e-980.4141
IMI GUHHN1.6265e-62.1266e-71.1649e-73.8467e-82.1691e-83.7423e-65.3308e-73.8142e-84.3807e-980.4141
IMI GUHHE1.4059e-61.4781e-75.4075e-82.2063e-81.4150e-81.6928e-62.6829e-72.1794e-83.1335e-980.4141
*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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