MANUAL Location - Area: Alpi Cozie , magnitude (ML): 0.8
2025-11-28 02:32:12 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-11-28 07:26:25

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Earthquake info - Manual location
Event - ID :251128023140
Magnitude (ML) :0.8 +/- 0.2
Origin Time :2025-11-28 02:32:12.891 (UTC)
Location : Latitude: 45.020 N, Longitude: 7.303 E
Area :Alpi Cozie
Depth (km) :18.95
Distances (km) : 3.7 --- Coazze
4.8 --- Giaveno
7.0 --- Valgioie
7.1 --- Cumiana
9.0 --- Cantalupa
9.2 --- Vaie
9.4 --- Trana
9.5 --- Chiusa di San Michele
10.0 --- Avigliana
10.0 --- Sant Ambrogio di Torino
10.0 --- Sant Antonino di Susa
10.2 --- Frossasco
10.4 --- Pinasca
10.6 --- Inverso Pinasca
10.7 --- Reano
10.7 --- Roletto
10.8 --- Condove
11.2 --- Perosa Argentina
11.4 --- Caprie
11.7 --- Villar Focchiardo

Quality location estimate: Erh: 1.1 km, Erz: 1.9 km, Nf: 30, Gap: 71 °, Rms: 0.36


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.
RSPGU2025-11-28 02:32:17.6300.01600.350.292025-11-28 02:32:20.3800.06410.021.5824.9
BHBGU2025-11-28 02:32:17.9800.0170-0.011.662025-11-28 02:32:20.7500.1795-0.770.8028.5
LATOIV2025-11-28 02:32:19.5790.0200-0.061.502025-11-28 02:32:23.9430.0400-0.471.0338.5
RRLGU2025-11-28 02:32:21.5200.02610.071.492025-11-28 02:32:26.9500.1273-0.371.1246.9
MONCIV2025-11-28 02:32:23.2110.02000.131.232025-11-28 02:32:30.9810.0400-0.011.3653.0
LSDGU2025-11-28 02:32:22.5410.02000.031.562025-11-28 02:32:28.4750.0400-0.750.8254.9
OGMOFR2025-11-28 02:32:23.0930.02000.141.192025-11-28 02:32:29.3700.2697-0.570.9956.2
CANIGU2025-11-28 02:32:22.5560.0200-0.211.082025-11-28 02:32:28.6160.0400-1.130.2758.7
PZZGU2025-11-28 02:32:23.0420.0200-0.401.032025-11-28 02:32:29.4980.0400-1.430.1462.4
OGAGFR2025-11-28 02:32:24.3440.0200-0.790.762025-11-28 02:32:33.0670.0400-0.610.9768.5
CIROGU2025-11-28 02:32:24.4280.0200-0.810.732025-11-28 02:32:32.0750.0400-1.770.0871.2
SURFFR2025-11-28 02:32:25.7590.02000.021.482025-11-28 02:32:34.3820.0400-0.521.0473.8
MRGEIV2025-11-28 02:32:27.9270.0200-0.211.222025-11-28 02:32:38.4200.0400-0.311.1987.9
ENRGU2025-11-28 02:32:26.7490.0452-0.511.032025-11-28 02:32:36.1120.7679-1.370.4290.6
GBOSGU2025-11-28 02:32:28.8140.02000.280.732025-11-28 02:32:39.2960.0400-0.271.2198.4


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
RSP GUHH1.082.25e-124.9348
BHB GUHH0.889.58e-228.5189
RRL GUHH0.551.25e-246.9255
LSD GUHH0.681.83e-254.9345
CANI GUHH0.428.67e-358.733
PZZ GUHH0.632.09e-262.4195
OGAG FRHH0.761.37e-268.5247
CIRO GUHH0.695.73e-371.218
MRGE IVHH0.705.83e-387.9347
ENR GUHH1.122.29e-290.6174
GBOS GUHH1.167.70e-398.4154


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.
(°)
RSP GUHHZ2.4381e-52.8400e-67.0523e-71.7802e-71.0203e-72.9029e-52.6422e-62.2640e-75.7741e-824.9348
RSP GUHHN5.6625e-56.0754e-61.4651e-64.4490e-72.7639e-77.5760e-55.2591e-64.6531e-71.1803e-724.9348
RSP GUHHE3.8597e-55.4070e-61.6507e-64.1927e-72.9241e-71.0220e-44.6338e-65.6858e-71.2458e-724.9348
BHB GUHHZ1.1222e-51.3002e-64.2415e-71.0870e-76.9611e-81.8320e-51.4620e-61.3100e-72.4306e-828.5189
BHB GUHHN1.5623e-52.3053e-67.4960e-71.8053e-71.1316e-72.9305e-52.2961e-61.8932e-74.2220e-828.5189
BHB GUHHE1.8577e-51.7341e-66.2525e-71.4153e-77.4168e-82.3952e-52.2904e-61.5735e-73.9645e-828.5189
RRL GUHHZ1.4414e-61.4761e-75.4732e-82.2390e-81.3419e-82.6064e-62.3300e-72.6528e-83.6734e-946.9255
RRL GUHHN1.1923e-62.2374e-71.0544e-73.8087e-81.9289e-84.8742e-64.2525e-72.8968e-85.2027e-946.9255
RRL GUHHE9.6751e-71.5714e-71.0479e-74.5996e-81.7751e-82.3256e-65.5220e-72.6136e-84.0194e-946.9255
MONC IVHHZ1.5215e-62.8762e-72.0037e-78.2540e-83.1901e-84.8701e-61.1330e-64.5843e-87.7503e-953.083
MONC IVHHN1.5125e-62.6982e-72.6057e-72.0493e-71.3452e-74.0125e-61.4911e-61.7046e-73.2651e-853.083
MONC IVHHE1.3515e-51.9771e-61.3126e-67.9010e-73.3129e-72.4869e-57.6482e-64.3196e-74.7693e-853.083
LSD GUHHZ2.0000e-62.2767e-71.1196e-74.9259e-82.0962e-83.4753e-66.1470e-73.1736e-86.2092e-954.9345
LSD GUHHN2.9617e-63.2624e-71.3146e-74.7095e-82.1973e-84.4602e-65.7536e-73.5992e-86.4269e-954.9345
LSD GUHHE3.6784e-64.1796e-71.8162e-76.9469e-83.6065e-85.8866e-68.6505e-75.8671e-88.5222e-954.9345
CANI GUHHZ1.3093e-61.4146e-75.2073e-81.6408e-88.0976e-92.1132e-62.6921e-71.1318e-82.8088e-958.733
CANI GUHHN1.1963e-61.5085e-76.7365e-82.1660e-81.0451e-82.2327e-63.9715e-71.8147e-82.7035e-958.733
CANI GUHHE1.7127e-61.8071e-77.3661e-82.5224e-81.2532e-82.8656e-63.4580e-71.8186e-84.2532e-958.733
PZZ GUHHZ1.9018e-62.8652e-71.4549e-74.7276e-82.6931e-85.6013e-66.2444e-73.6037e-86.3135e-962.4195
PZZ GUHHN1.7664e-62.7146e-71.7429e-75.8873e-83.0279e-83.6556e-67.7420e-75.0799e-85.8660e-962.4195
PZZ GUHHE1.5422e-62.7173e-71.8601e-74.9788e-83.3320e-84.1084e-69.5485e-76.4013e-87.3295e-962.4195
OGAG FRHHZ3.1381e-77.8123e-86.1785e-83.1070e-81.7300e-81.6031e-63.3863e-72.5511e-82.4421e-968.5247
OGAG FRHHN2.9053e-79.9411e-89.3234e-86.7501e-82.7782e-81.0540e-64.4893e-73.5904e-83.3783e-968.5247
OGAG FRHHE2.6035e-78.0065e-86.2105e-84.9126e-82.6439e-86.3415e-73.1788e-73.6533e-82.4537e-968.5247
CIRO GUHHZ7.2943e-78.4003e-84.7052e-81.5530e-87.5001e-91.7938e-62.3526e-71.1160e-81.9599e-971.218
CIRO GUHHN1.1409e-61.2268e-74.8390e-81.4232e-87.8029e-92.3314e-62.2613e-71.3179e-82.3184e-971.218
CIRO GUHHE1.0661e-61.0646e-76.0709e-82.2004e-89.3696e-92.4612e-62.0302e-71.4446e-82.6880e-971.218
MRGE IVHHZ9.7942e-71.0343e-73.3372e-81.2226e-86.6402e-98.8331e-71.6520e-71.1610e-81.6730e-987.9347
MRGE IVHHN1.3190e-61.3791e-75.2152e-82.3190e-81.4554e-81.3421e-62.6404e-72.4196e-82.8944e-987.9347
MRGE IVHHE1.2515e-61.1235e-73.7759e-81.9646e-81.1287e-88.3900e-71.6956e-71.7624e-82.1546e-987.9347
ENR GUHHZ2.4985e-63.6514e-78.3187e-86.2995e-81.0342e-74.0802e-63.2452e-71.7643e-72.3775e-890.6174
ENR GUHHN4.9624e-64.7144e-71.2408e-75.2526e-83.4312e-87.9046e-64.6364e-76.6522e-89.5486e-990.6174
ENR GUHHE6.9841e-66.8898e-71.9326e-75.4115e-83.7321e-81.0823e-56.3219e-76.4451e-81.4557e-890.6174
GBOS GUHHZ3.9292e-77.5916e-85.4370e-82.3667e-81.1131e-81.5508e-63.8419e-71.4172e-82.0867e-998.4154
GBOS GUHHN5.4397e-79.1451e-86.9267e-83.6403e-81.7919e-81.2846e-64.7209e-72.3859e-82.3291e-998.4154
GBOS GUHHE3.3657e-78.0504e-85.2481e-82.6866e-81.2776e-81.4848e-62.5907e-71.3280e-81.6994e-998.4154
*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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