MANUAL Location - Area: Alpi Cozie , magnitude (ML): 0.9
2025-10-19 10:39:22 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-10-20 06:49:19

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Earthquake info - Manual location
Event - ID :251019103813
Magnitude (ML) :0.9 +/- 0.2
Origin Time :2025-10-19 10:39:22.606 (UTC)
Location : Latitude: 44.398 N, Longitude: 7.343 E
Area :Alpi Cozie
Depth (km) :6.24
Distances (km) : 2.1 --- Monterosso Grana
3.3 --- Valgrana
5.1 --- Montemale di Cuneo
5.6 --- Pradleves
6.8 --- Rittana
7.0 --- Valloriate
7.1 --- Caraglio
7.4 --- Bernezzo
7.9 --- Dronero
8.5 --- Gaiola
8.9 --- Roccabruna
9.3 --- Moiola
9.8 --- Demonte
9.9 --- Roccasparvera
9.9 --- Villar San Costanzo
10.0 --- Cartignano
10.1 --- Cervasca
10.5 --- Castelmagno
10.9 --- Vignolo
12.3 --- San Damiano Macra

Quality location estimate: Erh: 0.7 km, Erz: 1.5 km, Nf: 42, Gap: 84 °, Rms: 0.28


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.
VINDIV2025-10-19 10:39:26.4270.02000.201.192025-10-19 10:39:28.3000.0400-0.410.2617.7
STVGU2025-10-19 10:39:26.3400.00900.091.562025-10-19 10:39:28.0800.0541-0.680.2318.5
ENRGU2025-10-19 10:39:26.6700.01100.001.712025-10-19 10:39:28.7300.0621-0.740.2121.0
PZZGU2025-10-19 10:39:27.3000.0110-0.021.672025-10-19 10:39:30.5300.0671-0.141.0923.0
ISOFR2025-10-19 10:39:29.8010.02000.870.262025-10-19 10:39:33.5500.10130.350.9734.1
SURFFR2025-10-19 10:39:30.7800.0603-0.021.562025-10-19 10:39:37.1000.13440.390.9743.5
GBOSGU2025-10-19 10:39:30.7500.02210.181.342025-10-19 10:39:36.0700.13140.101.3743.7
TURFFR2025-10-19 10:39:32.1000.02000.580.702025-10-19 10:39:37.8200.14340.001.2947.6
SAOFFR2025-10-19 10:39:32.2700.02510.480.772025-10-19 10:39:37.5190.1945-0.690.2649.2
BHBGU2025-10-19 10:39:31.8200.02510.610.662025-10-19 10:39:37.5500.19650.470.8849.4
MGROGU2025-10-19 10:39:32.6700.0271-0.021.552025-10-19 10:39:39.8000.1645-0.001.2354.8
MVIFFR2025-10-19 10:39:33.4130.0200-0.061.432025-10-19 10:39:41.1600.1745-0.111.0758.1
PVTIT2025-10-19 10:39:34.0090.02000.520.762025-10-19 10:39:42.1350.04000.950.2761.3
ESCAFR2025-10-19 10:39:34.7970.02000.660.602025-10-19 10:39:42.5100.19050.321.0663.5
ROROGU2025-10-19 10:39:34.2900.0331-0.061.392025-10-19 10:39:42.4790.19950.101.1966.1
IMIGU2025-10-19 10:39:35.2000.03510.231.212025-10-19 10:39:43.8300.21060.131.1670.1
BURYGU2025-10-19 10:39:35.4700.03610.061.522025-10-19 10:39:43.6900.4198-0.570.4970.8
RRLGU2025-10-19 10:39:35.7900.03710.241.192025-10-19 10:39:44.9200.21960.251.1073.2
RSPGU2025-10-19 10:39:36.7000.0422-0.011.442025-10-19 10:39:46.6080.04000.031.2483.9
PCPGU2025-10-19 10:39:40.2800.04920.910.302025-10-19 10:39:51.7550.29670.560.7696.9


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
STV GUHH0.506.53e-218.5185
ENR GUHH1.225.50e-121.0162
PZZ GUHH0.591.35e-123.0304
GBOS GUHH1.103.84e-243.7114
BHB GUHH0.651.92e-249.4353
MGRO GUHH0.792.32e-254.8137
ESCA FRHH0.711.42e-263.5178
RORO GUHH1.143.53e-266.1119
IMI GUHH1.144.20e-270.1141
BURY GUHH1.002.22e-270.8166
RRL GUHH0.921.16e-273.2323
PCP GUHH1.141.62e-296.980


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.
(°)
STV GUHHZ1.0173e-51.5751e-65.1526e-71.6347e-78.7292e-82.1502e-52.1546e-61.4697e-72.9646e-818.5185
STV GUHHN7.8600e-61.3191e-64.6418e-71.3458e-77.2806e-82.1430e-52.0272e-61.0970e-72.4783e-818.5185
STV GUHHE1.0066e-51.1540e-64.9500e-71.4350e-77.3769e-81.9097e-52.2273e-61.2610e-72.6109e-818.5185
ENR GUHHZ5.9031e-56.2629e-61.9658e-66.4873e-72.8602e-76.7660e-58.7099e-65.2492e-71.3434e-721.0162
ENR GUHHN1.1808e-49.2973e-62.5816e-66.8904e-73.9209e-71.7173e-41.0111e-58.1058e-71.7579e-721.0162
ENR GUHHE1.4824e-41.3241e-53.5291e-61.0098e-66.6653e-72.0615e-41.1605e-51.2986e-62.9011e-721.0162
PZZ GUHHZ1.9713e-52.3685e-69.6346e-72.4600e-71.2172e-72.5069e-53.9870e-62.1297e-74.8724e-823.0304
PZZ GUHHN2.3082e-52.8231e-69.6658e-72.6092e-71.5490e-74.9393e-54.9366e-62.8618e-76.4929e-823.0304
PZZ GUHHE1.8818e-52.4660e-61.1917e-62.7660e-71.5320e-75.3224e-54.7478e-62.7880e-76.2871e-823.0304
ISO FRHHZ1.7343e-61.9215e-78.0668e-82.3650e-81.2386e-84.8612e-63.6229e-71.8787e-84.0386e-934.1225
ISO FRHHN2.1763e-62.3107e-77.2051e-82.1212e-81.1974e-84.3303e-62.7073e-72.0940e-84.6700e-934.1225
ISO FRHHE2.7247e-62.7230e-78.7295e-83.1566e-81.4447e-84.6893e-63.0248e-72.5872e-85.4724e-934.1225
GBOS GUHHZ5.2299e-68.1956e-74.3547e-71.0764e-75.4006e-81.3564e-51.8940e-69.1806e-81.9586e-843.7114
GBOS GUHHN4.1885e-67.0237e-73.9779e-71.0439e-74.9436e-81.1234e-51.5175e-67.5983e-81.4941e-843.7114
GBOS GUHHE4.8653e-66.4843e-73.3667e-78.7462e-84.4002e-81.3239e-51.1872e-66.7237e-81.4733e-843.7114
TURF FRHHZ1.5411e-61.7751e-71.1161e-73.8935e-82.6993e-83.6829e-66.5142e-73.8034e-85.5595e-947.6175
TURF FRHHN2.4626e-63.4095e-71.5120e-74.5229e-82.2007e-85.5373e-68.7163e-73.7351e-87.0993e-947.6175
TURF FRHHE1.0858e-61.7441e-71.0723e-73.4185e-81.8500e-82.6361e-64.2333e-72.8647e-84.6255e-947.6175
SAOF FRHHZ9.7391e-71.8307e-78.4835e-84.0366e-82.4232e-83.5554e-63.7050e-73.0911e-83.4273e-949.2160
SAOF FRHHN1.1301e-61.6627e-79.6214e-83.5967e-81.6531e-82.3470e-63.9650e-72.2913e-83.8838e-949.2160
SAOF FRHHE1.3363e-61.9413e-71.0403e-74.0413e-82.4806e-84.3298e-63.7353e-73.7759e-84.1488e-949.2160
BHB GUHHZ3.0993e-63.3269e-71.1497e-74.0493e-82.9566e-85.9257e-63.3949e-75.3220e-86.3982e-949.4353
BHB GUHHN3.2856e-63.6792e-71.5720e-74.2948e-82.5514e-86.1819e-65.5227e-75.9593e-88.3600e-949.4353
BHB GUHHE4.6341e-64.3915e-71.2275e-74.5451e-82.5910e-86.5533e-65.4724e-76.4524e-89.8396e-949.4353
MGRO GUHHZ1.3069e-61.6673e-79.1871e-84.2485e-82.3724e-82.4384e-63.0267e-73.5744e-83.7419e-954.8137
MGRO GUHHN2.4107e-64.2444e-72.1761e-78.2526e-83.3701e-87.8947e-61.1624e-65.0481e-88.2741e-954.8137
MGRO GUHHE2.3731e-63.1076e-71.8338e-77.0739e-83.5852e-85.3858e-69.6160e-75.5142e-87.7115e-954.8137
PVT ITHNZ7.3196e-66.2089e-73.7612e-73.1415e-71.6153e-76.8767e-62.3103e-61.8327e-71.9748e-861.3131
PVT ITHNN8.2956e-68.1126e-73.5494e-72.6180e-71.4735e-71.0725e-51.8159e-61.6407e-72.0635e-861.3131
PVT ITHNE1.1170e-51.0098e-63.8855e-73.1585e-71.8265e-71.2037e-52.1945e-62.2497e-72.5572e-861.3131
ESCA FRHHZ1.3083e-61.4087e-77.9368e-82.4084e-81.3734e-83.3643e-63.4470e-71.8256e-82.8562e-963.5178
ESCA FRHHN1.3467e-62.1286e-71.1914e-73.4391e-81.9896e-83.9196e-64.4404e-72.9624e-84.5923e-963.5178
ESCA FRHHE1.5662e-62.2135e-71.3731e-73.9352e-82.0267e-84.2136e-65.8045e-72.7731e-84.9462e-963.5178
RORO GUHHZ3.1136e-64.8534e-72.2458e-75.2933e-82.5577e-88.5543e-67.6989e-73.9620e-81.0028e-866.1119
RORO GUHHN3.2920e-64.8969e-73.4658e-79.2765e-84.2873e-89.6195e-61.8025e-66.2274e-81.1799e-866.1119
RORO GUHHE4.1559e-66.1543e-72.4325e-75.8158e-83.0982e-81.1053e-51.0102e-65.9388e-81.3795e-866.1119
IMI GUHHZ2.3828e-63.3478e-71.3882e-74.6169e-82.2454e-85.9360e-66.1052e-73.6060e-86.9317e-970.1141
IMI GUHHN1.2334e-51.2879e-63.2137e-79.7164e-85.2995e-81.2511e-51.2696e-69.0374e-82.4152e-870.1141
IMI GUHHE4.5242e-65.4341e-71.9755e-75.2126e-82.7168e-81.0145e-57.0961e-74.9903e-81.1505e-870.1141
BURY GUHHZ1.7434e-61.7308e-79.3130e-86.3107e-83.4156e-82.1228e-64.3342e-74.5507e-83.3369e-970.8166
BURY GUHHN1.6308e-63.1696e-71.4603e-79.6912e-86.8077e-84.0659e-68.1827e-79.0600e-89.3155e-970.8166
BURY GUHHE2.0706e-63.5619e-71.7516e-75.1017e-82.6154e-86.4349e-61.4342e-64.5926e-87.5805e-970.8166
RRL GUHHZ5.2089e-71.0114e-75.8713e-84.9762e-83.0549e-81.1402e-62.6253e-74.3341e-83.5385e-973.2323
RRL GUHHN6.2530e-71.2846e-77.6831e-82.9070e-82.0683e-82.6587e-63.4260e-73.6032e-83.5629e-973.2323
RRL GUHHE5.5586e-71.1251e-79.0446e-83.7526e-82.2603e-82.1658e-66.6401e-73.5697e-83.8296e-973.2323
RSP GUHHZ8.3570e-78.9980e-83.3073e-81.1438e-87.3072e-91.5054e-61.6411e-71.3540e-81.8747e-983.9356
RSP GUHHN7.2551e-78.9735e-84.5322e-81.4281e-88.5239e-91.6377e-61.5109e-71.4700e-81.9242e-983.9356
RSP GUHHE7.0490e-79.0708e-84.7697e-81.6435e-81.0592e-82.0400e-61.6080e-71.6733e-81.9928e-983.9356
PCP GUHHZ1.1645e-61.9439e-71.0119e-73.7454e-81.7573e-82.3911e-64.1967e-72.8043e-84.9873e-996.980
PCP GUHHN1.1872e-62.1344e-71.5159e-74.8286e-82.2446e-83.6264e-66.8908e-73.3885e-85.4559e-996.980
PCP GUHHE1.2133e-62.3104e-71.4028e-73.7726e-82.5349e-83.8734e-66.4289e-74.2768e-85.6698e-996.980
*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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