MANUAL Location - Area: Alpi Cozie , magnitude (ML): 1.7
2025-10-24 00:01:25 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-10-24 06:40:13

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Earthquake info - Manual location
Event - ID :251024000100
Magnitude (ML) :1.7 +/- 0.2
Origin Time :2025-10-24 00:01:25.211 (UTC)
Location : Latitude: 44.613 N, Longitude: 7.218 E
Area :Alpi Cozie
Depth (km) :11.68
Distances (km) : 4.3 --- Sampeyre
6.3 --- Frassino
7.5 --- Oncino
8.8 --- Sanfront
9.3 --- Paesana
9.3 --- Ostana
9.7 --- Melle
10.4 --- Gambasca
10.9 --- Crissolo
11.2 --- Rifreddo
11.7 --- Martiniana Po
12.0 --- Casteldelfino
12.2 --- Brossasco
12.6 --- Valmala
12.8 --- Macra
13.0 --- Elva
13.1 --- Isasca
13.8 --- Stroppo
14.0 --- San Damiano Macra
14.4 --- Revello

Quality location estimate: Erh: 0.9 km, Erz: 2 km, Nf: 58, Gap: 72 °, Rms: 0.35


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.
PZZGU2025-10-24 00:01:29.2700.01100.400.542025-10-24 00:01:31.3670.0832-0.111.5719.4
BHBGU2025-10-24 00:01:30.3600.02000.041.622025-10-24 00:01:33.4800.0892-0.301.1927.8
VINDIV2025-10-24 00:01:32.1270.02000.400.562025-10-24 00:01:36.2260.0400-0.091.5835.8
SURFFR2025-10-24 00:01:32.2600.01900.001.692025-10-24 00:01:36.7440.1945-0.660.7937.2
STVGU2025-10-24 00:01:33.0200.02310.131.262025-10-24 00:01:38.3700.13640.121.2543.6
ENRGU2025-10-24 00:01:33.4600.0291-0.011.672025-10-24 00:01:39.0830.7799-0.150.7847.2
RRLGU2025-10-24 00:01:34.1800.0251-0.051.662025-10-24 00:01:39.7490.1514-0.820.6350.1
ISOFR2025-10-24 00:01:34.9600.02610.610.152025-10-24 00:01:40.5350.2446-0.121.2951.1
OGAGFR2025-10-24 00:01:35.6300.1065-0.181.422025-10-24 00:01:42.5700.1945-0.800.6858.5
RSPGU2025-10-24 00:01:35.2600.0311-0.510.902025-10-24 00:01:43.4940.10020.260.9561.0
GBOSGU2025-10-24 00:01:36.4960.02000.171.122025-10-24 00:01:43.8170.2016-0.301.2165.5
TURFFR2025-10-24 00:01:38.1270.0200-0.031.582025-10-24 00:01:46.3340.0400-1.100.4573.2
SAOFFR2025-10-24 00:01:38.2290.0803-0.211.372025-10-24 00:01:46.6720.2356-1.230.4075.5
GARSIT2025-10-24 00:01:38.6460.02000.221.002025-10-24 00:01:47.4440.0400-0.231.3178.9
OGMOFR2025-10-24 00:01:38.8500.0452-0.401.062025-10-24 00:01:48.1100.2396-0.910.6179.3
MLIGIV2025-10-24 00:01:38.4790.0200-0.690.722025-10-24 00:01:47.5840.0400-1.660.1479.5
MGROGU2025-10-24 00:01:38.6060.0200-0.441.002025-10-24 00:01:47.7440.0400-1.300.3580.0
MVIFFR2025-10-24 00:01:38.1270.0200-1.410.272025-10-24 00:01:50.0300.24660.101.0980.6
PVTIT2025-10-24 00:01:39.6180.0200-0.021.542025-10-24 00:01:49.8970.0400-0.181.3285.6
ROROGU2025-10-24 00:01:39.9030.0200-0.111.512025-10-24 00:01:49.7270.1002-0.810.6788.2
ESCAFR2025-10-24 00:01:40.6280.0200-0.051.532025-10-24 00:01:51.6000.4429-0.101.0088.6
BIGNGU2025-10-24 00:01:40.5940.0200-0.550.882025-10-24 00:01:52.0110.0400-0.510.9893.2
LSDGU2025-10-24 00:01:41.6300.04820.310.812025-10-24 00:01:52.0000.2867-0.640.8695.4
IMIGU2025-10-24 00:01:41.1000.0492-0.231.352025-10-24 00:01:52.2590.1002-0.770.7295.6
QLNOIV2025-10-24 00:01:41.4270.0200-0.171.422025-10-24 00:01:52.1200.0400-1.270.3795.8
CANIGU2025-10-24 00:01:40.0710.0200-1.180.392025-10-24 00:01:50.3990.0400-2.490.0099.5
PCPGU2025-10-24 00:01:43.0270.02000.131.252025-10-24 00:01:55.2150.0400-0.331.17106.1


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
PZZ GUHH1.421.26e+019.4215
BHB GUHH1.483.92e-127.88
STV GUHH1.651.83e-143.6168
ENR GUHH1.946.14e-147.2159
RRL GUHH1.832.10e-150.1316
OGAG FRHH1.661.52e-158.5290
RSP GUHH1.491.01e-161.04
GBOS GUHH2.141.83e-165.5130
TURF FRHH1.314.20e-273.2169
GARS ITHN2.082.08e-178.9125
MGRO GUHH1.333.63e-280.0143
PVT ITHN1.656.39e-285.6138
RORO GUHH1.747.32e-288.2129
ESCA FRHH1.585.09e-288.6172
BIGN GUEH1.483.56e-293.2153
LSD GUHH1.715.75e-295.4356
IMI GUHH1.758.36e-295.6145
QLNO IVHH1.878.15e-295.8109
PCP GUHH1.745.22e-2106.194


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 GUHHZ8.6428e-51.5488e-59.7611e-62.7343e-61.4227e-62.5826e-45.8123e-51.9417e-63.6723e-719.4215
PZZ GUHHN1.2090e-41.8764e-59.2945e-62.2070e-61.1538e-63.0688e-43.7810e-51.9936e-64.3893e-719.4215
PZZ GUHHE1.3872e-42.1748e-51.2590e-53.2801e-61.7755e-64.7581e-45.5233e-52.7873e-64.8890e-719.4215
BHB GUHHZ6.8942e-51.1932e-55.4033e-61.7606e-61.0675e-61.5388e-42.2200e-51.7484e-63.2082e-727.88
BHB GUHHN4.3313e-55.9717e-63.0475e-67.2204e-74.2747e-78.4299e-51.3308e-57.0621e-71.1814e-727.88
BHB GUHHE4.2166e-56.8206e-63.6410e-61.0040e-65.0000e-71.0915e-41.4033e-57.7634e-71.4714e-727.88
STV GUHHZ1.2373e-52.0897e-61.4022e-64.4277e-72.0630e-72.7976e-55.7969e-63.1089e-75.7482e-843.6168
STV GUHHN1.3994e-51.8735e-61.1252e-63.2773e-71.6750e-73.5891e-54.5637e-62.9070e-75.1297e-843.6168
STV GUHHE1.8299e-53.6594e-61.8229e-64.7703e-72.6014e-76.4873e-56.5623e-64.0158e-77.7895e-843.6168
ENR GUHHZ4.6458e-57.0844e-62.9602e-68.0969e-74.1919e-71.2303e-41.4830e-57.2335e-71.6144e-747.2159
ENR GUHHN8.6268e-59.7696e-64.5276e-61.3142e-66.0661e-71.3492e-42.0855e-51.0398e-62.2268e-747.2159
ENR GUHHE7.8750e-51.1154e-55.5032e-61.0635e-66.0828e-71.3853e-42.6403e-51.0835e-62.4229e-747.2159
RRL GUHHZ9.5354e-61.6046e-67.7395e-73.2046e-71.3935e-72.6063e-53.5599e-61.9967e-73.7744e-850.1316
RRL GUHHN1.9707e-53.1230e-61.7897e-64.4844e-72.2291e-71.0003e-44.7200e-63.6687e-76.9378e-850.1316
RRL GUHHE2.6913e-54.5011e-61.5617e-65.3796e-72.5850e-71.0418e-45.4685e-64.5533e-79.9464e-850.1316
ISO FRHHZ5.5136e-68.3629e-75.5639e-72.7488e-71.2116e-71.3790e-51.6610e-61.7253e-72.1200e-851.1196
ISO FRHHN6.1969e-69.2853e-74.1274e-71.0992e-75.4998e-81.2871e-51.1339e-68.0632e-81.9227e-851.1196
ISO FRHHE6.9565e-61.0522e-65.3946e-72.6789e-71.0665e-72.1820e-51.7156e-61.3957e-72.2570e-851.1196
OGAG FRHHZ4.5408e-61.0122e-67.6559e-74.7223e-72.0634e-71.0630e-53.6502e-62.4731e-73.1826e-858.5290
OGAG FRHHN4.2950e-61.0523e-69.7939e-75.5437e-73.1852e-71.1172e-55.1737e-64.4056e-74.2973e-858.5290
OGAG FRHHE4.1041e-61.5326e-61.1310e-67.8201e-73.2828e-71.0040e-58.7203e-63.7394e-74.0744e-858.5290
RSP GUHHZ9.8408e-61.2876e-66.3349e-71.4314e-77.0642e-82.6564e-53.2360e-61.2426e-72.6300e-861.04
RSP GUHHN1.2233e-51.7840e-69.1075e-71.9419e-71.0616e-72.6407e-53.1831e-61.8521e-74.3004e-861.04
RSP GUHHE1.2303e-51.5995e-68.8349e-72.3240e-71.0264e-73.5083e-53.8291e-61.7807e-73.7615e-861.04
GBOS GUHHZ1.0936e-52.1639e-61.7643e-65.4161e-72.1963e-74.4110e-59.8002e-63.3039e-75.3788e-865.5130
GBOS GUHHN8.7801e-62.0835e-61.4121e-63.6565e-72.2310e-72.0872e-57.3746e-63.4701e-75.3868e-865.5130
GBOS GUHHE9.1972e-62.1128e-61.2310e-65.5770e-72.0750e-72.3305e-54.5282e-62.9953e-75.5085e-865.5130
TURF FRHHZ1.9853e-65.5114e-73.3630e-71.0083e-75.9635e-86.7112e-62.5135e-68.7208e-81.2148e-873.2169
TURF FRHHN3.4682e-65.5554e-74.0999e-71.1445e-75.5488e-81.1553e-52.5482e-68.2416e-81.5415e-873.2169
TURF FRHHE2.1695e-63.8883e-74.0830e-71.6323e-77.0820e-85.3391e-62.5805e-61.0126e-71.1455e-873.2169
SAOF FRHHZ1.7075e-63.1128e-72.7172e-71.3898e-71.1598e-75.7820e-61.3955e-61.8483e-73.7201e-875.5159
SAOF FRHHN1.6109e-63.2655e-72.7545e-79.7023e-84.6338e-85.7440e-61.1432e-66.6079e-89.0276e-975.5159
SAOF FRHHE1.5952e-62.8118e-72.2929e-79.0772e-85.9694e-85.2940e-61.2196e-66.9019e-87.9201e-975.5159
GARS ITHNZ5.3227e-67.3754e-76.4580e-73.7321e-71.6198e-71.9074e-52.7304e-61.7660e-72.1640e-878.9125
GARS ITHNN8.7060e-61.5725e-61.1437e-63.4096e-72.0954e-72.9037e-54.1819e-63.9890e-74.0744e-878.9125
GARS ITHNE1.5171e-52.7986e-61.8929e-66.1886e-72.8434e-73.7228e-55.2474e-64.2276e-77.0536e-878.9125
MGRO GUHHZ1.2476e-63.1402e-72.5437e-72.1727e-78.4338e-84.0701e-61.4426e-61.0015e-79.5117e-980.0143
MGRO GUHHN2.7090e-64.3376e-73.4076e-71.4367e-76.3812e-87.4621e-61.5956e-68.4931e-81.5239e-880.0143
MGRO GUHHE2.2580e-64.0793e-73.3037e-71.6184e-77.3001e-86.8649e-61.8038e-68.1893e-81.1736e-880.0143
PVT ITHNZ3.7427e-65.8624e-74.4487e-73.3626e-72.2187e-71.1646e-52.3560e-62.4837e-71.8364e-885.6138
PVT ITHNN5.6270e-69.5495e-75.3927e-72.8174e-71.5557e-71.9142e-52.3603e-62.3592e-71.9880e-885.6138
PVT ITHNE6.6698e-69.6587e-75.0690e-73.2650e-71.7323e-71.5390e-52.5842e-62.2199e-72.5565e-885.6138
RORO GUHHZ7.4205e-61.0459e-64.5893e-71.3185e-76.2109e-81.6505e-52.2340e-61.0407e-72.3631e-888.2129
RORO GUHHN6.6148e-69.1260e-76.6160e-71.7164e-77.7247e-81.4202e-52.5854e-61.3748e-72.5204e-888.2129
RORO GUHHE5.7829e-61.1186e-66.6343e-71.9936e-79.6269e-82.8190e-52.2892e-61.6057e-72.4946e-888.2129
ESCA FRHHZ1.9260e-63.8591e-72.9428e-78.8063e-84.8585e-85.9131e-61.4443e-66.8870e-89.5554e-988.6172
ESCA FRHHN3.1177e-65.5564e-73.2181e-71.1238e-74.8164e-89.9568e-61.6706e-67.1931e-81.1228e-888.6172
ESCA FRHHE3.9850e-68.0476e-74.6064e-71.3303e-78.3535e-81.4332e-51.9123e-61.4013e-71.9435e-888.6172
BIGN GUEHZ1.8934e-62.6516e-71.3476e-76.3419e-84.3725e-84.3528e-65.3068e-75.6662e-88.3931e-993.2153
BIGN GUEHN4.9684e-66.2172e-73.4248e-71.1039e-77.6248e-88.6611e-61.5341e-61.1548e-71.5048e-893.2153
BIGN GUEHE7.1033e-68.2238e-72.7251e-79.0949e-86.7068e-81.0863e-51.1552e-61.0146e-72.0179e-893.2153
LSD GUHHZ7.0618e-67.1495e-74.1030e-71.3266e-76.9884e-81.0212e-51.9360e-69.2877e-81.7501e-895.4356
LSD GUHHN7.1086e-68.3629e-74.8191e-71.3426e-76.4897e-81.7280e-52.8517e-69.7696e-81.8029e-895.4356
LSD GUHHE8.0495e-61.2128e-66.1636e-71.7392e-76.6881e-82.1198e-52.5687e-61.1147e-72.6188e-895.4356
IMI GUHHZ2.4901e-63.9764e-73.2327e-71.0355e-76.0219e-89.2993e-61.1756e-68.4537e-81.1979e-895.6145
IMI GUHHN6.6892e-61.1962e-67.0483e-72.3018e-71.3160e-72.0208e-52.0554e-61.6917e-73.0924e-895.6145
IMI GUHHE4.7553e-65.9666e-73.4369e-71.1541e-77.7105e-81.0117e-51.3267e-61.0410e-71.2647e-895.6145
QLNO IVHHZ2.0929e-64.0030e-73.6097e-71.2674e-76.2211e-86.9166e-62.3859e-61.0563e-71.2915e-895.8109
QLNO IVHHN5.2441e-67.8162e-75.7084e-72.0991e-78.8249e-81.1500e-54.0097e-61.2278e-72.0389e-895.8109
QLNO IVHHE6.0201e-69.6645e-76.9364e-72.7055e-71.4666e-71.2477e-54.5897e-62.1283e-72.5251e-895.8109
CANI GUHHZ1.7433e-62.3963e-79.3330e-83.1917e-81.5241e-84.0943e-63.4845e-72.3037e-84.5814e-999.522
CANI GUHHN2.0192e-62.3046e-71.2437e-73.5589e-81.6739e-85.5283e-66.8985e-72.8411e-85.0572e-999.522
CANI GUHHE2.0423e-62.6845e-71.3744e-75.1087e-82.1743e-85.5711e-68.8110e-73.1234e-85.1725e-999.522
PCP GUHHZ2.1225e-67.9257e-75.9303e-73.4019e-71.1947e-75.3279e-62.7225e-61.6527e-71.8388e-8106.194
PCP GUHHN2.2512e-63.9340e-73.8219e-71.6753e-76.3800e-85.2485e-62.1285e-68.1420e-81.2298e-8106.194
PCP GUHHE2.2833e-65.0802e-74.3251e-71.8026e-79.5081e-86.9680e-62.9928e-61.6298e-71.8435e-8106.194
*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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