MANUAL Location - Area: Alpi Cozie , magnitude (ML): 1.7
2025-11-25 18:31:08 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-11-26 10:18:33

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Earthquake info - Manual location
Event - ID :251125182954
Magnitude (ML) :1.7 +/- 0.2
Origin Time :2025-11-25 18:31:08.128 (UTC)
Location : Latitude: 44.935 N, Longitude: 7.215 E
Area :Alpi Cozie
Depth (km) :11.47
Distances (km) : 1.2 --- Inverso Pinasca
1.4 --- Pinasca
3.3 --- Perosa Argentina
3.4 --- Villar Perosa
3.5 --- Pramollo
3.5 --- Pomaretto
4.4 --- San Germano Chisone
6.9 --- Porte
7.8 --- Perrero
8.2 --- San Pietro Val Lemina
8.7 --- Prarostino
9.3 --- Roletto
9.5 --- Cantalupa
9.9 --- Roure
10.2 --- San Secondo di Pinerolo
10.2 --- Angrogna
10.4 --- Pinerolo
10.7 --- Frossasco
12.6 --- Torre Pellice
12.7 --- Massello

Quality location estimate: Erh: 0.7 km, Erz: 0.9 km, Nf: 54, Gap: 64 °, Rms: 0.42


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.
BHBGU2025-11-25 18:31:11.5500.00900.021.492025-11-25 18:31:13.6400.0491-0.191.3116.9
RSPGU2025-11-25 18:31:13.3100.01400.031.442025-11-25 18:31:16.4100.0802-0.451.1127.2
RRLGU2025-11-25 18:31:14.9200.0180-0.051.552025-11-25 18:31:19.2300.1063-0.421.1636.1
LATOIV2025-11-25 18:31:15.4870.0200-0.890.772025-11-25 18:31:21.3730.0400-0.860.8446.4
PZZGU2025-11-25 18:31:16.9000.0301-0.091.492025-11-25 18:31:22.6010.1705-0.681.0250.0
OGAGFR2025-11-25 18:31:18.7300.02910.061.252025-11-25 18:31:25.4200.1715-0.661.0357.1
MONCIV2025-11-25 18:31:19.4700.0351-0.131.432025-11-25 18:31:28.5810.04000.101.0559.3
LSDGU2025-11-25 18:31:18.7000.0301-0.031.472025-11-25 18:31:25.2900.1795-0.850.8360.2
CANIGU2025-11-25 18:31:19.8320.02000.160.872025-11-25 18:31:27.0350.0400-0.880.8168.1
VINDIV2025-11-25 18:31:19.5340.0200-0.621.082025-11-25 18:31:28.1890.0400-0.441.1870.5
STVGU2025-11-25 18:31:20.4370.0200-0.701.032025-11-25 18:31:29.5430.0400-0.740.9778.2
CIROGU2025-11-25 18:31:21.9500.2229-0.381.212025-11-25 18:31:30.7100.2406-1.530.2280.3
ENRGU2025-11-25 18:31:20.9000.0412-0.621.082025-11-25 18:31:29.3800.3768-1.580.2481.1
ISOFR2025-11-25 18:31:23.4400.02000.660.162025-11-25 18:31:32.9900.36880.000.9785.4
GBOSGU2025-11-25 18:31:23.2200.04620.031.272025-11-25 18:31:33.4540.0400-0.391.2192.4
MRGEIV2025-11-25 18:31:24.4200.0472-0.191.342025-11-25 18:31:35.3800.2967-0.571.0494.4
RSLFR2025-11-25 18:31:25.4920.02000.500.282025-11-25 18:31:35.7000.0400-0.820.8796.2
REMYGU2025-11-25 18:31:25.6000.0512-0.121.352025-11-25 18:31:36.9140.3297-0.960.71101.4
BLANCGU2025-11-25 18:31:26.3500.0522-0.051.312025-11-25 18:31:38.5730.0400-0.401.18104.4
SAOFFR2025-11-25 18:31:25.8660.0200-0.381.202025-11-25 18:31:37.9210.0400-1.360.32109.4
MGROGU2025-11-25 18:31:25.7560.0200-0.651.062025-11-25 18:31:38.5280.0400-1.090.56110.6
ROROGU2025-11-25 18:31:26.7520.02000.061.152025-11-25 18:31:39.6390.0400-0.331.20114.3
PCPGU2025-11-25 18:31:27.1780.0200-0.091.332025-11-25 18:31:40.8120.0400-0.171.18114.5
SATIGU2025-11-25 18:31:28.2090.02000.360.482025-11-25 18:31:41.2420.0400-0.591.06117.2
OGDIFR2025-11-25 18:31:30.1310.02000.560.262025-11-25 18:31:44.5200.0400-0.141.13121.4
IMIGU2025-11-25 18:31:28.4100.0200-0.201.312025-11-25 18:31:42.3960.0400-1.240.43126.6
DIXCH2025-11-25 18:31:29.6550.0200-0.251.292025-11-25 18:31:44.0520.0400-1.230.45128.9


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth
BHB GUHH2.104.15e+016.9161
RSP GUHH1.748.84e-127.210
RRL GUHH1.531.98e-136.1267
PZZ GUHH1.724.13e-150.0189
OGAG FRHH1.459.86e-257.1253
MONC IVHH1.772.81e-159.374
LSD GUHH1.942.72e-160.2354
CANI GUHH1.325.00e-268.134
STV GUHH1.382.85e-278.2173
CIRO GUHH1.815.76e-280.320
ENR GUHH1.701.13e-181.1168
GBOS GUHH1.753.51e-292.4147
MRGE IVHH1.694.78e-294.4353
REMY GUHH1.785.87e-2101.4357
BLANCGUHH1.522.96e-2104.4348
MGRO GUHH1.452.19e-2110.6154
RORO GUHH1.572.66e-2114.3143
PCP GUHH1.552.82e-2114.5112
SATI GUHH1.913.20e-2117.226
IMI GUHH1.663.40e-2126.6154
DIX CHHH2.208.41e-2128.97


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.
(°)
BHB GUHHZ5.5624e-46.0946e-52.1040e-56.3100e-63.9848e-65.8448e-49.4486e-56.3347e-61.0990e-616.9161
BHB GUHHN4.4952e-47.7240e-53.1093e-58.5140e-65.6080e-61.1388e-39.3293e-59.0873e-61.5740e-616.9161
BHB GUHHE3.6610e-45.1123e-51.4776e-54.3347e-62.2664e-64.0880e-47.3610e-54.3195e-69.2248e-716.9161
RSP GUHHZ6.6243e-51.0051e-54.1153e-61.1424e-67.1737e-71.6799e-41.6876e-51.2429e-62.3598e-727.210
RSP GUHHN1.0807e-41.7109e-56.7423e-61.7046e-61.0021e-62.9070e-42.7181e-51.6198e-63.8446e-727.210
RSP GUHHE1.4412e-42.1432e-56.6342e-61.5668e-68.9452e-73.9698e-41.8826e-51.7755e-64.2767e-727.210
RRL GUHHZ2.4244e-53.0455e-68.0485e-72.8729e-71.3270e-73.9160e-53.3223e-62.0545e-74.1737e-836.1267
RRL GUHHN2.2783e-53.5943e-61.5120e-66.2599e-73.7938e-76.5300e-55.7946e-65.8384e-77.5058e-836.1267
RRL GUHHE1.4879e-51.9915e-61.1831e-63.5455e-71.8299e-74.8323e-54.2990e-63.2048e-75.5993e-836.1267
PZZ GUHHZ3.0894e-54.8359e-62.9975e-69.1885e-75.2026e-76.9825e-51.3031e-57.7145e-71.3636e-750.0189
PZZ GUHHN3.5397e-54.8179e-63.2910e-69.7934e-74.4860e-71.1235e-41.1759e-57.5609e-71.2899e-750.0189
PZZ GUHHE3.3184e-56.0360e-63.8276e-61.4577e-68.3182e-79.4679e-51.8872e-51.0943e-61.5297e-750.0189
OGAG FRHHZ4.1659e-69.4328e-76.9161e-73.5265e-71.5253e-72.1694e-53.1270e-62.1061e-72.4859e-857.1253
OGAG FRHHN4.6781e-61.0937e-68.6357e-74.2844e-72.5669e-71.2923e-54.1504e-62.8964e-73.1987e-857.1253
OGAG FRHHE5.2924e-61.0496e-68.3360e-73.9978e-72.0244e-79.3548e-65.4650e-62.6227e-72.8547e-857.1253
MONC IVHHZ5.1739e-61.1263e-69.7517e-73.9071e-71.5689e-72.6397e-54.8752e-62.1990e-72.8696e-859.374
MONC IVHHN5.7210e-61.2713e-61.2929e-66.7268e-72.6387e-71.5602e-55.9338e-63.6350e-73.5077e-859.374
MONC IVHHE1.2593e-52.3831e-61.9285e-61.3002e-61.0690e-63.1470e-51.0114e-51.6300e-61.0004e-759.374
LSD GUHHZ2.3503e-53.0323e-61.7981e-64.9698e-72.3241e-75.1123e-56.8813e-63.7947e-76.8739e-860.2354
LSD GUHHN3.6128e-53.8054e-61.6725e-65.4653e-72.7298e-75.5065e-57.5956e-64.2987e-77.4195e-860.2354
LSD GUHHE3.3870e-54.3973e-62.5928e-67.8972e-73.4581e-71.0934e-41.1005e-55.0355e-79.2863e-860.2354
CANI GUHHZ4.9846e-65.8334e-73.2443e-79.3481e-85.4933e-81.0450e-51.8472e-68.6422e-81.2305e-868.134
CANI GUHHN5.7284e-67.3360e-73.0606e-71.1448e-74.7782e-81.0240e-51.3060e-66.9529e-81.4667e-868.134
CANI GUHHE6.2712e-67.1643e-74.3410e-71.2023e-76.8972e-81.3644e-52.8849e-61.0834e-71.8560e-868.134
STV GUHHZ3.2933e-64.4660e-72.5071e-78.6590e-84.6049e-86.2353e-68.7203e-78.3271e-81.1149e-878.2173
STV GUHHN3.7363e-65.0874e-72.1620e-76.9621e-83.4738e-86.3112e-68.9869e-75.7113e-81.0132e-878.2173
STV GUHHE3.6026e-66.3471e-73.2599e-71.2098e-75.1038e-81.1015e-51.4604e-67.0483e-81.3267e-878.2173
CIRO GUHHZ5.7541e-68.0876e-73.8111e-79.2303e-84.8806e-81.4923e-51.4837e-68.4248e-81.8637e-880.320
CIRO GUHHN5.9062e-67.4320e-73.4961e-71.0855e-75.1614e-81.6843e-51.4600e-68.7904e-81.7927e-880.320
CIRO GUHHE7.9046e-69.1744e-74.5280e-71.2903e-77.0573e-81.2690e-52.3959e-61.1737e-72.1593e-880.320
ENR GUHHZ1.2766e-51.6289e-66.1764e-71.9771e-71.0365e-72.7585e-52.0369e-61.8525e-73.3924e-881.1168
ENR GUHHN2.9514e-53.1252e-69.6023e-72.8222e-71.4180e-74.7516e-53.5194e-62.1915e-76.4248e-881.1168
ENR GUHHE2.6765e-52.5863e-61.0021e-62.8570e-71.4472e-75.1504e-52.6661e-62.2793e-74.9472e-881.1168
ISO FRHHZ3.7188e-64.8820e-72.2218e-76.0482e-82.9940e-89.3621e-69.7752e-74.6903e-81.2252e-885.4189
ISO FRHHN2.1843e-63.7266e-71.5891e-73.7007e-82.5707e-85.0551e-66.4082e-74.4759e-89.2432e-985.4189
ISO FRHHE3.6348e-64.5510e-71.9991e-75.6263e-83.4676e-88.9103e-66.5960e-75.6600e-89.0437e-985.4189
GBOS GUHHZ3.1960e-65.1680e-72.9302e-71.2324e-75.1836e-81.2740e-51.0672e-65.9816e-81.2744e-892.4147
GBOS GUHHN2.1302e-63.9890e-73.0810e-71.2997e-76.0865e-88.3106e-61.2315e-68.7463e-81.1345e-892.4147
GBOS GUHHE2.1934e-64.1039e-73.2091e-71.1523e-74.5645e-88.7130e-61.7648e-66.5011e-81.0291e-892.4147
MRGE IVHHZ6.2562e-67.5284e-73.4920e-71.3838e-75.3124e-87.2202e-61.5314e-67.9192e-81.7392e-894.4353
MRGE IVHHN9.9663e-61.1304e-65.0393e-71.6627e-78.6309e-81.9486e-51.5306e-61.3136e-72.1881e-894.4353
MRGE IVHHE6.4903e-67.1788e-74.0710e-71.8945e-78.3491e-88.9822e-61.9288e-61.3999e-71.4668e-894.4353
REMY GUHHZ2.3578e-64.5746e-74.1038e-71.8750e-76.7945e-85.9011e-62.7146e-68.5916e-81.2494e-8101.4357
REMY GUHHN2.9131e-66.5558e-75.0487e-72.4482e-71.0293e-78.3600e-63.4709e-61.2598e-71.7584e-8101.4357
REMY GUHHE3.7758e-67.3430e-75.6450e-72.4262e-71.1142e-79.0036e-64.3348e-61.4248e-71.6608e-8101.4357
BLANCGUHHZ1.5210e-62.0881e-71.7494e-76.5479e-83.6680e-84.0044e-61.0304e-65.1137e-86.5879e-9104.4348
BLANCGUHHN2.4489e-63.3165e-71.7978e-78.6428e-83.5198e-84.5673e-67.7643e-75.1669e-87.4338e-9104.4348
BLANCGUHHE2.6982e-63.7975e-72.7867e-71.1313e-75.2391e-85.9636e-61.6465e-67.7771e-81.0128e-8104.4348
SAOF FRHHZ5.5961e-71.1855e-79.5778e-85.5989e-83.1702e-81.6540e-64.5158e-73.5118e-83.2323e-9109.4166
SAOF FRHHN6.4594e-71.2543e-79.1348e-84.0927e-82.8198e-81.9900e-64.4704e-73.7517e-83.0632e-9109.4166
SAOF FRHHE5.3881e-71.0576e-79.8105e-85.8154e-83.0405e-81.7533e-64.8716e-73.9361e-83.5907e-9109.4166
MGRO GUHHZ7.2103e-71.3410e-71.1163e-75.6227e-83.3845e-82.0863e-66.2558e-74.0287e-84.1937e-9110.6154
MGRO GUHHN1.3689e-62.4969e-71.6490e-79.9683e-84.4865e-82.4887e-67.3395e-75.8378e-86.0158e-9110.6154
MGRO GUHHE8.6595e-71.7808e-71.5938e-78.0372e-84.5044e-82.2656e-68.6193e-75.1480e-85.2948e-9110.6154
RORO GUHHZ1.8541e-63.1010e-72.1035e-79.4680e-84.6721e-85.2807e-61.1534e-66.9560e-86.5322e-9114.3143
RORO GUHHN1.9067e-63.9905e-73.1321e-78.5724e-83.6830e-85.9942e-61.2802e-65.5497e-81.0901e-8114.3143
RORO GUHHE1.7742e-63.3867e-72.7147e-79.4964e-84.4904e-85.2653e-61.1495e-66.2326e-88.5322e-9114.3143
PCP GUHHZ1.1855e-62.2706e-71.9846e-79.5705e-84.0238e-82.3952e-68.8404e-75.4838e-87.0714e-9114.5112
PCP GUHHN1.3938e-63.3189e-72.5583e-71.0627e-74.6176e-83.4922e-61.6929e-66.3790e-87.3612e-9114.5112
PCP GUHHE1.2364e-63.1300e-72.6636e-71.2552e-75.4357e-83.7296e-61.1728e-66.3823e-88.5271e-9114.5112
SATI GUHHZ1.6673e-62.3477e-71.5988e-76.1014e-82.4769e-83.5019e-68.4237e-73.3106e-85.0912e-9117.226
SATI GUHHN2.9758e-63.8076e-71.5493e-76.2975e-83.4497e-86.7426e-66.0293e-75.5048e-88.0878e-9117.226
SATI GUHHE3.8676e-65.6985e-72.7000e-78.0128e-83.7491e-88.4572e-61.7796e-66.2878e-81.2161e-8117.226
IMI GUHHZ1.0996e-61.8470e-71.2706e-76.4967e-83.5834e-83.2755e-65.5357e-75.3478e-85.7364e-9126.6154
IMI GUHHN2.3111e-63.4272e-72.6077e-71.0585e-76.2061e-87.4423e-61.4261e-69.1980e-88.8461e-9126.6154
IMI GUHHE1.3634e-62.6847e-71.9974e-77.6535e-85.1591e-84.4742e-61.1699e-66.6662e-87.5287e-9126.6154
DIX CHHHZ3.8073e-67.1902e-75.4404e-72.0514e-77.6064e-81.3355e-52.4068e-61.1232e-71.4060e-8128.97
DIX CHHHN4.2750e-69.2604e-76.5319e-72.5825e-71.1281e-71.0848e-53.4722e-61.6107e-72.3638e-8128.97
DIX CHHHE4.7614e-61.0536e-68.2191e-72.4950e-71.1745e-71.3905e-55.2279e-61.8653e-72.8232e-8128.97
*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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