MANUAL Location - Area: Cuneese-Valle Stura , magnitude (ML): 0.7
2025-09-30 03:15:12 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-09-30 06:55:40

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Earthquake info - Manual location
Event - ID :250930031451
Magnitude (ML) :0.7 +/- 0.2
Origin Time :2025-09-30 03:15:12.743 (UTC)
Location : Latitude: 44.808 N, Longitude: 7.679 E
Area :Cuneese-Valle Stura
Depth (km) :38.68
Distances (km) : 4.3 --- Casalgrasso
4.3 --- Racconigi
5.1 --- Lombriasco
5.5 --- Carmagnola
5.6 --- Caramagna Piemonte
6.4 --- Polonghera
7.6 --- Pancalieri
7.6 --- Cavallerleone
7.7 --- Faule
8.6 --- Murello
8.9 --- Osasio
9.3 --- Sommariva del Bosco
10.7 --- Virle Piemonte
11.1 --- Cavallermaggiore
11.1 --- Carignano
11.2 --- Ceresole Alba
11.7 --- Sanfre
11.9 --- Villanova Solaro
12.0 --- Moretta
12.7 --- Ruffia

Quality location estimate: Erh: 1.3 km, Erz: 5.8 km, Nf: 40, Gap: 79 °, Rms: 0.61


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.
BHBGU2025-09-30 03:15:20.5300.02910.051.532025-09-30 03:15:25.9100.1514-0.031.3551.2
MONCIV2025-09-30 03:15:20.7980.0200-1.390.642025-09-30 03:15:28.4940.0400-1.140.7952.8
RSPGU2025-09-30 03:15:22.4890.06020.091.322025-09-30 03:15:28.9800.1915-0.351.1463.9
PZZGU2025-09-30 03:15:22.8530.0200-0.340.922025-09-30 03:15:29.2690.2326-1.420.6368.6
LATOIV2025-09-30 03:15:22.5100.0200-0.761.012025-09-30 03:15:30.0220.0400-0.810.9969.2
GBOSGU2025-09-30 03:15:24.6100.04320.081.342025-09-30 03:15:32.3000.1002-0.780.9975.4
ENRGU2025-09-30 03:15:24.3500.0432-0.181.332025-09-30 03:15:32.2800.2306-0.930.9378.4
VINDIV2025-09-30 03:15:23.2860.0200-1.410.632025-09-30 03:15:30.6890.0400-2.690.0178.4
STVGU2025-09-30 03:15:24.0810.0200-0.600.922025-09-30 03:15:31.8300.2667-1.610.4979.1
CANIGU2025-09-30 03:15:24.5700.0200-0.051.562025-09-30 03:15:32.7280.0400-0.431.0480.2
RRLGU2025-09-30 03:15:25.8390.0200-0.021.532025-09-30 03:15:34.5510.0400-0.461.0582.0
PCPGU2025-09-30 03:15:26.2670.02000.011.492025-09-30 03:15:35.6330.0400-0.371.1284.4
SURFFR2025-09-30 03:15:24.7830.0200-1.740.292025-09-30 03:15:34.6030.0400-1.900.2286.6
ROROGU2025-09-30 03:15:27.3590.02000.380.252025-09-30 03:15:36.6100.3377-0.771.0091.9
LSDGU2025-09-30 03:15:27.0980.0200-0.101.462025-09-30 03:15:36.5000.1002-0.950.9393.5
ISOFR2025-09-30 03:15:27.0350.0200-0.021.502025-09-30 03:15:36.0560.0400-1.310.7294.1
MGROGU2025-09-30 03:15:26.5120.0200-0.870.982025-09-30 03:15:37.4030.0400-0.850.9794.7
CIROGU2025-09-30 03:15:27.4660.0200-0.061.492025-09-30 03:15:36.9700.2977-1.030.8897.8
MLIGIV2025-09-30 03:15:28.0360.02000.091.272025-09-30 03:15:38.1570.0400-1.130.8399.0


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
BHB GUHH0.933.41e-251.2275
RSP GUHH0.601.16e-263.9319
PZZ GUHH0.401.01e-268.6233
GBOS GUHH0.958.73e-375.4168
STV GUHH0.634.92e-379.1204
CANI GUHH0.474.94e-380.21
RRL GUHH0.644.73e-382.0281
PCP GUHH0.474.78e-384.4113
RORO GUHH0.889.19e-391.9158
LSD GUHH0.634.98e-393.5330
MGRO GUHH0.837.61e-394.7173
CIRO GUHH1.025.91e-397.8354


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 GUHHZ3.2441e-64.3564e-71.2261e-74.1753e-82.5424e-81.1217e-55.5648e-74.7249e-81.0753e-851.2275
BHB GUHHN4.8572e-67.7223e-73.1848e-78.9667e-84.2389e-81.4521e-51.1251e-66.5343e-81.6285e-851.2275
BHB GUHHE4.9061e-66.1448e-72.2190e-77.1568e-84.0292e-89.0769e-61.0329e-66.9879e-81.4856e-851.2275
MONC IVHHZ1.9113e-62.5652e-71.7590e-76.0895e-82.4199e-83.3828e-61.0634e-63.0751e-85.6003e-952.833
MONC IVHHN1.7496e-63.0138e-72.3187e-78.8436e-83.5711e-83.3045e-61.7771e-65.3002e-87.8710e-952.833
MONC IVHHE1.6149e-52.3633e-61.6072e-68.0716e-74.8513e-72.8802e-58.7464e-66.9711e-75.1346e-852.833
RSP GUHHZ1.2899e-61.4904e-75.8707e-81.8996e-81.0045e-83.5596e-62.0752e-71.6573e-83.5450e-963.9319
RSP GUHHN1.7089e-62.4111e-71.0411e-72.8370e-81.4580e-86.1933e-64.0010e-72.3240e-84.9286e-963.9319
RSP GUHHE1.5412e-62.1683e-71.1671e-73.0524e-81.4064e-84.7876e-63.3803e-72.3786e-84.8738e-963.9319
PZZ GUHHZ1.4550e-61.7606e-79.7785e-82.3360e-81.2426e-82.4412e-64.2444e-72.2801e-84.2961e-968.6233
PZZ GUHHN1.5675e-61.7564e-78.8742e-82.8891e-81.5515e-82.5142e-64.0812e-72.1898e-83.5350e-968.6233
PZZ GUHHE1.2255e-61.6143e-77.7412e-83.4820e-81.6328e-82.8152e-62.7905e-72.1755e-82.8719e-968.6233
GBOS GUHHZ5.4146e-71.0968e-75.1032e-81.7407e-89.5076e-91.4989e-61.3891e-71.4827e-82.7728e-975.4168
GBOS GUHHN7.4594e-71.2950e-77.0541e-84.1639e-82.3046e-81.2809e-64.1640e-72.5303e-82.9808e-975.4168
GBOS GUHHE6.1364e-71.2281e-77.7882e-83.2265e-81.5534e-82.0197e-63.2174e-72.5145e-83.7792e-975.4168
ENR GUHHZ5.1629e-66.1340e-71.2559e-75.3820e-83.0252e-86.5335e-65.3587e-75.4257e-81.2811e-878.4198
ENR GUHHN7.4075e-68.5354e-71.8427e-76.1366e-83.3182e-81.1134e-55.7109e-76.6209e-81.4703e-878.4198
ENR GUHHE1.7009e-51.7862e-63.2443e-71.1145e-77.7572e-82.5058e-51.4339e-61.5997e-73.3308e-878.4198
STV GUHHZ7.2077e-79.2451e-83.2419e-88.6324e-96.1654e-91.3837e-61.7974e-79.8383e-91.7453e-979.1204
STV GUHHN5.2241e-76.1615e-82.6118e-88.5403e-94.8111e-91.1912e-69.8636e-87.0489e-91.3510e-979.1204
STV GUHHE8.6351e-71.0655e-74.7338e-81.0373e-86.8624e-91.8796e-62.1660e-71.3138e-82.1962e-979.1204
CANI GUHHZ1.1221e-61.1024e-72.7629e-81.0267e-85.5431e-91.5237e-61.1474e-78.0191e-91.8710e-980.21
CANI GUHHN9.5719e-79.8968e-83.8838e-81.6551e-86.8427e-91.5938e-61.4397e-71.0698e-82.1216e-980.21
CANI GUHHE1.0973e-61.1482e-74.3173e-81.6225e-87.8028e-91.8624e-62.2995e-71.3423e-83.0138e-980.21
RRL GUHHZ1.6628e-72.2498e-81.5201e-81.0849e-84.9099e-93.1973e-76.7470e-86.2414e-96.8594e-1082.0281
RRL GUHHN2.2527e-73.7118e-83.0758e-82.7229e-82.1016e-85.2090e-72.8323e-72.7928e-82.5591e-982.0281
RRL GUHHE2.5252e-74.4384e-82.9113e-81.1354e-85.1585e-96.5993e-71.1151e-78.0783e-91.1624e-982.0281
PCP GUHHZ2.2087e-73.2939e-82.6744e-81.5480e-87.6566e-93.4340e-71.7625e-79.9634e-98.7239e-1084.4113
PCP GUHHN1.7910e-73.4635e-82.8380e-81.3973e-88.7314e-94.8765e-71.8208e-71.3142e-81.2121e-984.4113
PCP GUHHE2.4266e-74.5102e-83.9403e-82.1027e-89.4081e-94.1296e-72.0843e-71.1689e-81.3639e-984.4113
RORO GUHHZ3.0143e-75.5912e-83.8690e-81.7159e-81.0683e-87.6173e-72.1851e-71.6853e-81.6338e-991.9158
RORO GUHHN4.4932e-79.6442e-87.2906e-82.8252e-81.2284e-88.6145e-72.2257e-71.5266e-82.4764e-991.9158
RORO GUHHE4.8373e-71.2735e-77.4613e-82.3673e-81.2756e-81.5392e-64.4677e-71.7718e-82.8756e-991.9158
LSD GUHHZ4.2603e-75.9255e-83.5268e-81.8635e-88.7169e-99.7386e-71.2080e-71.1873e-81.3839e-993.5330
LSD GUHHN4.7499e-76.7925e-83.7201e-81.6512e-86.4581e-91.5691e-61.3775e-71.0114e-81.6363e-993.5330
LSD GUHHE6.1742e-77.1855e-84.4177e-81.5266e-87.2185e-91.0016e-61.9473e-71.2179e-81.7290e-993.5330
ISO FRHHZ3.1592e-72.7571e-89.8120e-94.1289e-93.8664e-93.2055e-73.7754e-86.7800e-95.6244e-1094.1216
ISO FRHHN3.3275e-72.7354e-89.8911e-93.6368e-92.6851e-94.0341e-74.9122e-84.3495e-96.0545e-1094.1216
ISO FRHHE2.3877e-73.1363e-81.0981e-86.6907e-99.9803e-94.6090e-75.8113e-81.9746e-81.7738e-994.1216
MGRO GUHHZ1.6303e-74.6656e-83.6254e-82.2051e-81.2120e-84.4193e-71.6863e-71.3431e-81.3502e-994.7173
MGRO GUHHN2.2978e-76.0466e-84.9718e-82.9559e-81.8922e-84.9943e-72.4975e-73.7830e-82.2083e-994.7173
MGRO GUHHE2.3626e-75.7645e-84.9952e-82.1816e-81.0128e-88.0341e-72.9420e-71.4915e-81.4743e-994.7173
CIRO GUHHZ7.3190e-71.0397e-74.2081e-81.1595e-86.4270e-91.1780e-61.3039e-79.8150e-92.0412e-997.8354
CIRO GUHHN9.4552e-71.0296e-73.4592e-89.5965e-95.0379e-91.1849e-61.2956e-79.6282e-92.4700e-997.8354
CIRO GUHHE1.2636e-61.6356e-75.4846e-81.5685e-87.8095e-93.1593e-61.5075e-71.3733e-83.4794e-997.8354
*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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