MANUAL Location - Area: Alpi Cozie , magnitude (ML): 0.5
2025-11-01 06:39:18 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-11-01 23:28:35

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Earthquake info - Manual location
Event - ID :251101063827
Magnitude (ML) :0.5 +/- 0.2
Origin Time :2025-11-01 06:39:18.569 (UTC)
Location : Latitude: 44.433 N, Longitude: 7.268 E
Area :Alpi Cozie
Depth (km) :6.01
Distances (km) : 1.7 --- Pradleves
5.0 --- Monterosso Grana
5.1 --- Castelmagno
5.3 --- Cartignano
6.4 --- San Damiano Macra
7.8 --- Roccabruna
8.5 --- Dronero
8.6 --- Montemale di Cuneo
9.0 --- Celle di Macra
9.2 --- Valgrana
10.4 --- Macra
10.6 --- Villar San Costanzo
12.8 --- Caraglio
13.1 --- Demonte
13.3 --- Valloriate
13.7 --- Aisone
13.8 --- Rittana
13.9 --- Stroppo
13.9 --- Valmala
14.1 --- Marmora

Quality location estimate: Erh: 0.8 km, Erz: 1 km, Nf: 38, Gap: 83 °, Rms: 0.26


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.
PZZGU2025-11-01 06:39:22.0700.0080-0.051.532025-11-01 06:39:24.4400.0511-0.221.2916.4
VINDIV2025-11-01 06:39:22.3170.02000.310.512025-11-01 06:39:24.1500.0400-0.251.2716.6
STVGU2025-11-01 06:39:22.9100.01100.031.562025-11-01 06:39:25.3300.0671-0.520.7322.4
ENRGU2025-11-01 06:39:23.5700.01300.011.622025-11-01 06:39:26.6600.0792-0.351.1526.5
ISOFR2025-11-01 06:39:25.3040.02000.500.402025-11-01 06:39:29.0220.20360.011.2633.3
SURFFR2025-11-01 06:39:25.6600.02410.011.562025-11-01 06:39:30.4280.1504-0.381.0737.0
BHBGU2025-11-01 06:39:26.5450.02000.021.522025-11-01 06:39:31.6920.1002-0.281.2545.2
GBOSGU2025-11-01 06:39:27.5800.0592-0.091.482025-11-01 06:39:33.6600.1524-0.191.3050.7
TURFFR2025-11-01 06:39:28.4750.02000.190.852025-11-01 06:39:34.7170.1002-0.421.0052.2
SAOFFR2025-11-01 06:39:28.7960.02000.061.342025-11-01 06:39:35.1910.2386-0.640.6454.9
MLIGIV2025-11-01 06:39:29.2240.0200-0.411.022025-11-01 06:39:36.2120.0400-1.220.1159.8
MVIFFR2025-11-01 06:39:30.4010.02000.580.342025-11-01 06:39:36.9300.1835-0.970.2560.6
MGROGU2025-11-01 06:39:29.4590.0200-0.321.202025-11-01 06:39:36.7600.2757-0.910.3561.6
RRLGU2025-11-01 06:39:30.6820.02000.180.962025-11-01 06:39:38.7120.0400-0.241.2766.6
ESCAFR2025-11-01 06:39:31.4210.02000.540.392025-11-01 06:39:39.3600.2126-0.121.2067.7
ROROGU2025-11-01 06:39:31.2260.0200-0.231.332025-11-01 06:39:40.3900.22060.111.0673.1
IMIGU2025-11-01 06:39:31.9900.0200-0.041.452025-11-01 06:39:41.4100.2316-0.111.1676.8
QLNOIV2025-11-01 06:39:33.3630.0200-0.620.572025-11-01 06:39:44.0100.2607-0.780.5186.8
PCPGU2025-11-01 06:39:36.4840.02000.360.662025-11-01 06:39:48.8240.10020.270.86102.2


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
PZZ GUHH0.562.34e-116.4305
STV GUHH0.383.46e-222.4167
ENR GUHH0.801.38e-126.5152
ISO FRHH0.342.24e-233.3212
BHB GUHH0.289.78e-345.2360
TURF FRHH0.318.56e-352.2169
SAOF FRHH0.378.78e-354.9155
MGRO GUHH0.519.69e-361.6135
RRL GUHH0.505.32e-366.6325
ESCA FRHH0.589.16e-367.7173
QLNO IVHH0.839.39e-386.898
PCP GUHH0.969.51e-3102.283


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 GUHHZ1.8104e-52.9573e-61.3151e-64.1345e-71.9569e-73.8378e-57.4900e-63.1006e-75.6522e-816.4305
PZZ GUHHN2.7573e-53.3632e-61.8438e-65.5280e-72.2725e-74.8228e-59.0113e-63.7274e-78.4737e-816.4305
PZZ GUHHE1.5913e-52.2634e-61.0667e-63.7717e-72.1340e-73.2226e-54.9309e-63.5069e-76.3566e-816.4305
STV GUHHZ4.8707e-65.9927e-72.3922e-76.3324e-83.6382e-81.2409e-58.4578e-76.0631e-81.1227e-822.4167
STV GUHHN6.1375e-66.9587e-71.4689e-74.5730e-82.6568e-89.0361e-65.6647e-75.5842e-81.4951e-822.4167
STV GUHHE5.2330e-66.7756e-72.4609e-75.8531e-83.8520e-81.0781e-59.5178e-76.7775e-81.4368e-822.4167
ENR GUHHZ2.4540e-52.3626e-65.0971e-71.7247e-78.9626e-83.2150e-51.8102e-61.8363e-74.4558e-826.5152
ENR GUHHN4.6028e-53.9712e-66.8536e-72.2227e-71.1543e-73.5691e-53.4061e-62.7741e-76.7784e-826.5152
ENR GUHHE5.7484e-54.7597e-68.6413e-71.9551e-71.2128e-73.6166e-53.2599e-63.0661e-79.0140e-826.5152
ISO FRHHZ2.2077e-62.8049e-71.6062e-75.0084e-83.0289e-83.7443e-68.4302e-74.4251e-86.5630e-933.3212
ISO FRHHN2.5129e-62.4894e-78.0411e-82.3825e-81.4701e-83.7759e-63.4489e-72.4909e-85.1272e-933.3212
ISO FRHHE3.5460e-65.1779e-71.5915e-73.9148e-82.4720e-88.6469e-65.6437e-74.7638e-81.0298e-833.3212
BHB GUHHZ1.7062e-62.4119e-79.1993e-82.8119e-81.2807e-84.2764e-63.6254e-72.2926e-85.3075e-945.2360
BHB GUHHN1.6344e-62.0280e-76.8451e-81.9988e-81.1497e-83.1446e-62.4040e-72.4984e-83.6026e-945.2360
BHB GUHHE1.9236e-62.1905e-77.7933e-82.7409e-81.4153e-83.3121e-63.1902e-72.4878e-85.6186e-945.2360
GBOS GUHHZ2.1187e-63.7325e-72.2117e-76.4298e-83.0051e-84.2378e-67.6841e-75.0226e-89.2969e-950.7115
GBOS GUHHN1.8945e-63.1463e-72.0519e-75.7990e-82.6812e-85.3261e-61.0408e-63.6051e-87.2235e-950.7115
GBOS GUHHE1.9895e-63.1065e-71.6742e-74.0923e-82.0033e-81.0412e-59.3742e-73.5793e-86.7469e-950.7115
TURF FRHHZ1.0253e-61.6945e-77.4643e-81.9831e-81.1692e-82.9710e-62.6098e-71.8367e-83.9387e-952.2169
TURF FRHHN1.2219e-61.7761e-77.8709e-82.0000e-81.2030e-82.9328e-62.3476e-72.3464e-84.0490e-952.2169
TURF FRHHE1.0560e-61.5896e-76.6262e-81.8901e-81.0924e-82.4278e-62.3153e-71.5551e-83.1368e-952.2169
SAOF FRHHZ3.5412e-77.1056e-84.7284e-81.6444e-88.6767e-97.4034e-73.0902e-71.4925e-81.8177e-954.9155
SAOF FRHHN4.4927e-78.2036e-85.2575e-81.8899e-81.2014e-81.1375e-62.9073e-71.6753e-81.9316e-954.9155
SAOF FRHHE7.1008e-79.5755e-87.7059e-83.2000e-81.7935e-81.5060e-65.3230e-72.2044e-82.4679e-954.9155
MGRO GUHHZ7.3763e-78.8000e-84.6710e-82.4813e-89.4849e-91.8047e-61.8312e-71.2434e-82.0207e-961.6135
MGRO GUHHN1.0346e-61.4649e-78.7368e-83.7987e-81.8059e-82.4510e-63.0733e-72.2473e-83.2689e-961.6135
MGRO GUHHE7.6583e-71.3914e-77.9367e-82.8368e-81.2185e-81.8743e-63.3840e-71.6637e-82.8504e-961.6135
RRL GUHHZ3.0917e-74.9902e-82.7541e-81.2419e-85.8804e-91.0704e-61.4291e-71.0084e-81.2595e-966.6325
RRL GUHHN6.3931e-78.4914e-84.5930e-81.5097e-87.9943e-92.3837e-62.0388e-71.4105e-81.8992e-966.6325
RRL GUHHE5.0278e-79.1072e-84.2103e-81.5184e-81.1226e-81.7052e-62.6056e-71.7549e-81.8464e-966.6325
ESCA FRHHZ6.5446e-79.6056e-84.9493e-81.5297e-88.8544e-91.7340e-62.0637e-71.4455e-82.2452e-967.7173
ESCA FRHHN1.2132e-61.5652e-77.5143e-82.3157e-81.3354e-82.4716e-62.7782e-72.2916e-83.7052e-967.7173
ESCA FRHHE9.7500e-71.5216e-78.1148e-82.4916e-81.1771e-83.0409e-63.2304e-71.7226e-83.3296e-967.7173
RORO GUHHZ1.7344e-62.3666e-71.2544e-72.5878e-81.4669e-85.2883e-66.1551e-72.3448e-85.1561e-973.1119
RORO GUHHN1.8882e-62.7536e-71.7219e-73.8442e-82.0256e-83.5601e-67.2724e-73.5406e-86.7183e-973.1119
RORO GUHHE1.7680e-62.2387e-71.5718e-73.6762e-81.7595e-84.2286e-69.1216e-72.9053e-84.9368e-973.1119
IMI GUHHZ1.1079e-61.5695e-76.9049e-81.8812e-81.5290e-82.7412e-62.4857e-72.5352e-83.1511e-976.8139
IMI GUHHN3.3985e-66.7866e-72.4875e-75.7536e-83.7649e-81.0729e-57.2367e-76.0919e-81.4465e-876.8139
IMI GUHHE1.9958e-62.4801e-79.8843e-82.6760e-81.9732e-83.2295e-64.2034e-73.5594e-85.3527e-976.8139
QLNO IVHHZ6.8437e-78.2504e-84.5485e-81.6541e-89.5887e-91.2443e-62.1624e-71.3746e-82.1430e-986.898
QLNO IVHHN1.6821e-62.0962e-77.8913e-82.9250e-81.4890e-84.0239e-63.3886e-72.3108e-84.8960e-986.898
QLNO IVHHE1.4485e-61.8008e-77.3627e-82.3798e-81.3159e-83.6722e-63.2627e-71.9224e-84.5093e-986.898
PCP GUHHZ7.5990e-71.0953e-78.8223e-84.1396e-81.8011e-81.9300e-64.2400e-72.4071e-83.0516e-9102.283
PCP GUHHN6.7185e-71.1594e-77.2837e-82.1872e-81.1546e-81.5412e-63.5630e-71.7478e-82.3412e-9102.283
PCP GUHHE8.7840e-71.1912e-78.9008e-82.8014e-81.3956e-82.4383e-63.5608e-72.1032e-82.9631e-9102.283
*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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