MANUAL Location - Area: Alpi Cozie , magnitude (ML): 1.4
2025-10-30 21:47:41 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-10-31 09:49:19

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Earthquake info - Manual location
Event - ID :251030214716
Magnitude (ML) :1.4 +/- 0.2
Origin Time :2025-10-30 21:47:41.884 (UTC)
Location : Latitude: 44.616 N, Longitude: 7.212 E
Area :Alpi Cozie
Depth (km) :14.23
Distances (km) : 4.4 --- Sampeyre
6.9 --- Frassino
7.1 --- Oncino
8.9 --- Ostana
9.1 --- Sanfront
9.3 --- Paesana
10.3 --- Melle
10.3 --- Crissolo
10.9 --- Gambasca
11.5 --- Rifreddo
11.6 --- Casteldelfino
12.1 --- Martiniana Po
12.8 --- Elva
12.8 --- Brossasco
13.0 --- Macra
13.2 --- Valmala
13.7 --- Isasca
13.8 --- Stroppo
14.4 --- San Damiano Macra
14.5 --- Pontechianale

Quality location estimate: Erh: 0.5 km, Erz: 0.9 km, Nf: 48, Gap: 46 °, Rms: 0.29


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.
PZZGU2025-10-30 21:47:45.8900.01000.071.622025-10-30 21:47:48.0450.0581-0.590.8021.2
BHBGU2025-10-30 21:47:47.0700.0140-0.021.802025-10-30 21:47:50.0300.0812-0.620.7628.8
VINDIV2025-10-30 21:47:49.0590.02000.510.182025-10-30 21:47:53.2150.0400-0.041.5837.0
SURFFR2025-10-30 21:47:48.9900.0190-0.001.762025-10-30 21:47:53.7500.1103-0.420.9337.8
STVGU2025-10-30 21:47:49.8300.02210.111.362025-10-30 21:47:54.9100.1303-0.311.0844.8
ENRGU2025-10-30 21:47:50.2200.0241-0.071.612025-10-30 21:47:56.1490.2366-0.051.1948.5
RRLGU2025-10-30 21:47:50.8800.0251-0.021.692025-10-30 21:47:56.4600.1474-0.760.5750.3
ISOFR2025-10-30 21:47:51.8800.08440.740.102025-10-30 21:47:57.6400.15240.121.1151.9
OGAGFR2025-10-30 21:47:52.5100.02910.041.572025-10-30 21:47:59.4000.1735-0.570.7958.5
RSPGU2025-10-30 21:47:51.8920.0200-0.550.842025-10-30 21:47:59.8090.0400-0.091.3861.3
GBOSGU2025-10-30 21:47:53.2500.03310.141.172025-10-30 21:48:00.8200.1975-0.261.1366.7
TURFFR2025-10-30 21:47:54.8990.0200-0.041.552025-10-30 21:48:03.5160.0400-0.800.5374.1
SAOFFR2025-10-30 21:47:55.0180.0200-0.211.212025-10-30 21:48:03.4260.0400-1.350.1876.5
MONCIV2025-10-30 21:47:55.7000.1687-0.161.262025-10-30 21:48:06.7110.04000.041.1877.4
OGMOFR2025-10-30 21:47:55.8180.0200-0.031.522025-10-30 21:48:04.4760.1002-1.090.3079.1
MLIGIV2025-10-30 21:47:55.3670.0200-0.580.802025-10-30 21:48:04.5530.0400-1.550.1180.5
MGROGU2025-10-30 21:47:55.3430.0200-0.470.872025-10-30 21:48:04.7660.0400-1.120.2781.0
MVIFFR2025-10-30 21:47:56.9260.02000.630.182025-10-30 21:48:06.4800.2426-0.261.0681.4
ROROGU2025-10-30 21:47:56.7900.05920.051.382025-10-30 21:48:06.7600.2667-0.610.7789.2
ESCAFR2025-10-30 21:47:57.4130.0200-0.021.472025-10-30 21:48:08.1520.1002-0.391.0089.4
LSDGU2025-10-30 21:47:58.1400.04820.240.832025-10-30 21:48:08.8150.3277-0.330.9595.4
IMIGU2025-10-30 21:47:57.9200.0482-0.111.392025-10-30 21:48:08.8000.2877-1.030.4196.5
QLNOIV2025-10-30 21:47:58.0530.0200-0.251.162025-10-30 21:48:09.1000.4359-1.090.4196.8
PCPGU2025-10-30 21:47:59.7700.05420.161.062025-10-30 21:48:12.0880.0400-0.211.13107.0


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth
PZZ GUHH1.277.57e-121.2212
BHB GUHH1.151.74e-128.89
STV GUHH1.348.51e-244.8168
ENR GUHH1.622.83e-148.5159
RRL GUHH1.509.76e-250.3316
OGAG FRHH1.235.64e-258.5290
RSP GUHH1.164.62e-261.34
GBOS GUHH1.787.74e-266.7130
TURF FRHH0.901.57e-274.1169
RORO GUHH1.534.39e-289.2129
ESCA FRHH1.322.71e-289.4171
LSD GUHH1.473.27e-295.4356
IMI GUHH1.454.09e-296.5145
QLNO IVHH1.493.36e-296.8109
PCP GUHH1.382.24e-2107.094


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 GUHHZ1.3123e-41.5755e-56.2450e-61.6187e-69.9802e-71.8445e-43.4787e-51.8308e-63.5707e-721.2212
PZZ GUHHN1.1797e-41.6987e-56.3418e-61.6908e-69.5746e-73.1021e-42.4999e-51.5880e-63.4639e-721.2212
PZZ GUHHE1.0911e-41.1666e-57.1532e-61.6927e-68.4171e-71.7748e-43.6216e-51.3592e-62.8374e-721.2212
BHB GUHHZ4.3310e-55.5283e-61.7570e-64.2766e-72.8087e-71.0498e-48.7749e-64.8335e-79.3715e-828.89
BHB GUHHN3.4054e-53.5017e-61.5325e-63.3414e-71.9742e-76.7761e-55.8745e-63.4247e-77.6033e-828.89
BHB GUHHE3.1230e-53.9249e-61.2719e-63.8354e-72.0305e-76.8206e-56.2380e-63.6738e-78.5926e-828.89
STV GUHHZ1.1184e-51.2367e-64.7383e-71.2704e-76.0074e-81.4014e-52.2124e-61.0348e-72.2626e-844.8168
STV GUHHN1.0415e-51.0654e-64.3781e-71.2166e-76.7026e-81.2274e-51.9133e-61.2485e-72.5992e-844.8168
STV GUHHE1.4534e-52.0778e-66.0755e-71.8544e-71.0064e-74.1388e-51.8703e-61.7901e-74.2167e-844.8168
ENR GUHHZ4.1361e-53.3525e-61.1309e-62.9611e-71.5268e-75.2546e-54.9830e-63.0115e-75.9491e-848.5159
ENR GUHHN8.0990e-57.4946e-61.9126e-64.9394e-72.9120e-79.9924e-56.9500e-66.2245e-71.4666e-748.5159
ENR GUHHE8.9316e-58.7135e-62.4862e-65.3748e-73.3349e-71.0561e-41.3601e-56.2215e-71.4134e-748.5159
RRL GUHHZ6.3519e-67.9821e-73.9343e-71.7721e-76.9932e-81.0285e-51.6958e-69.5020e-81.8259e-850.3316
RRL GUHHN1.1383e-51.7235e-67.8290e-71.7839e-71.0663e-74.9979e-52.5113e-61.7734e-73.8972e-850.3316
RRL GUHHE1.2373e-51.8130e-67.6385e-72.5170e-71.2815e-74.6981e-52.9026e-62.1341e-74.3665e-850.3316
ISO FRHHZ6.0986e-66.6082e-72.8897e-71.5211e-77.4331e-81.1741e-51.2384e-61.1318e-71.8363e-851.9195
ISO FRHHN6.5529e-66.7875e-71.8191e-75.5975e-82.9699e-87.8552e-65.2534e-76.4087e-81.3344e-851.9195
ISO FRHHE5.7896e-66.0976e-72.8585e-71.0014e-74.3058e-81.0514e-57.6699e-76.1676e-81.0996e-851.9195
OGAG FRHHZ1.6112e-62.6096e-72.4358e-71.5517e-76.0921e-84.7610e-61.5427e-66.7704e-89.0509e-958.5290
OGAG FRHHN1.7421e-64.2034e-73.3151e-71.8333e-79.0478e-85.1155e-61.9351e-61.1248e-71.2179e-858.5290
OGAG FRHHE2.1819e-64.9311e-73.6663e-73.0231e-71.1994e-73.7870e-62.0295e-61.3970e-71.5822e-858.5290
RSP GUHHZ6.4430e-67.5108e-72.6026e-76.1726e-83.2265e-81.1366e-51.0482e-66.2682e-81.4738e-861.34
RSP GUHHN8.7565e-69.3142e-74.2838e-78.4021e-84.5899e-81.3342e-51.0413e-68.1175e-81.8918e-861.34
RSP GUHHE8.9604e-61.0567e-64.4938e-71.0070e-75.0872e-81.9972e-51.3778e-69.5195e-82.1881e-861.34
GBOS GUHHZ6.8369e-61.2974e-68.9776e-72.6474e-71.0915e-72.4310e-54.5913e-61.6344e-72.8758e-866.7130
GBOS GUHHN4.7011e-69.7832e-76.7829e-71.7741e-78.6003e-81.1565e-53.5549e-61.4212e-72.4641e-866.7130
GBOS GUHHE4.2057e-67.8506e-75.0772e-72.0572e-77.5192e-81.0255e-52.3721e-61.1309e-72.0151e-866.7130
TURF FRHHZ1.5132e-61.9088e-71.2793e-73.8398e-82.3194e-83.7881e-68.2142e-73.4831e-85.7531e-974.1169
TURF FRHHN2.0319e-62.8746e-71.5862e-75.4774e-82.5482e-86.3735e-68.1691e-73.6101e-85.9479e-974.1169
TURF FRHHE1.5516e-62.0226e-71.3380e-75.7359e-82.9063e-83.6967e-66.2708e-74.2471e-84.6920e-974.1169
SAOF FRHHZ1.1134e-61.8951e-71.4964e-74.4144e-82.0160e-82.4822e-67.7878e-72.9199e-85.5022e-976.5159
SAOF FRHHN1.1806e-61.4293e-71.0010e-75.0685e-83.6472e-82.1550e-63.8642e-75.5735e-85.0869e-976.5159
SAOF FRHHE9.6343e-71.3632e-79.7521e-84.7079e-83.1525e-82.5107e-65.1978e-74.4602e-83.2797e-976.5159
MONC IVHHZ2.1324e-63.4902e-73.1514e-71.2114e-75.0020e-88.4569e-61.7312e-65.9253e-81.0248e-877.448
MONC IVHHN2.0853e-64.1762e-74.1255e-72.0411e-77.2176e-85.5039e-62.4469e-68.5323e-81.2783e-877.448
MONC IVHHE1.9117e-52.9650e-62.3063e-61.9203e-61.3008e-63.9974e-51.0587e-51.9739e-69.8829e-877.448
MGRO GUHHZ9.0269e-71.6112e-71.1339e-79.0858e-83.1639e-82.7852e-64.3620e-74.7229e-84.2438e-981.0143
MGRO GUHHN1.9031e-62.6420e-71.5921e-77.3816e-83.9726e-84.5897e-67.2510e-75.4772e-86.4872e-981.0143
MGRO GUHHE1.3427e-61.8179e-71.5229e-78.1768e-84.0989e-83.1259e-68.2738e-75.1496e-86.2906e-981.0143
RORO GUHHZ3.2886e-64.0815e-72.3090e-77.5892e-83.3140e-86.5273e-61.0062e-65.2723e-89.0076e-989.2129
RORO GUHHN4.0776e-66.0324e-73.8721e-71.0098e-74.8147e-89.6869e-61.3013e-67.3981e-81.4921e-889.2129
RORO GUHHE5.3045e-68.3161e-73.4204e-71.0663e-74.4910e-81.3262e-51.0898e-68.3820e-81.9741e-889.2129
ESCA FRHHZ1.1879e-61.5974e-71.0778e-73.9504e-82.0820e-82.0129e-65.3018e-73.0787e-83.8644e-989.4171
ESCA FRHHN2.1656e-63.2975e-71.9589e-75.7344e-82.7573e-88.5838e-67.0364e-74.3087e-87.4146e-989.4171
ESCA FRHHE1.9884e-63.6055e-72.1945e-78.1651e-86.8006e-84.8431e-61.1778e-69.3557e-82.7232e-889.4171
LSD GUHHZ2.2051e-63.3274e-72.0807e-76.2559e-83.1312e-85.6871e-68.8091e-74.8423e-81.0985e-895.4356
LSD GUHHN3.7132e-64.5860e-72.2609e-75.1777e-82.6456e-86.3320e-61.4814e-64.5582e-89.5634e-995.4356
LSD GUHHE4.9123e-65.3500e-72.9385e-78.5626e-84.1345e-81.0246e-51.2861e-66.8933e-81.2236e-895.4356
IMI GUHHZ1.9894e-62.7109e-71.6059e-75.3119e-82.7853e-85.2741e-67.9393e-74.2892e-87.6461e-996.5145
IMI GUHHN5.5293e-69.3125e-73.4588e-71.2071e-76.1040e-81.2550e-51.2054e-69.8851e-81.8451e-896.5145
IMI GUHHE2.4299e-63.6379e-71.8355e-75.7883e-83.4937e-87.0235e-66.7965e-74.7275e-89.1765e-996.5145
QLNO IVHHZ2.8743e-62.9567e-71.5807e-76.8979e-83.5403e-84.1254e-69.8291e-74.5920e-85.5922e-996.8109
QLNO IVHHN3.9051e-65.1102e-72.7469e-79.5772e-84.4467e-85.7289e-61.7290e-67.1323e-81.2971e-896.8109
QLNO IVHHE3.3783e-64.1729e-72.9931e-71.0351e-75.4350e-85.8764e-61.9361e-68.7684e-81.1214e-896.8109
PCP GUHHZ1.4279e-62.9762e-72.1756e-71.1349e-74.4102e-82.7477e-61.1629e-66.4325e-87.3010e-9107.094
PCP GUHHN1.8953e-62.3669e-71.6369e-76.1019e-82.6845e-82.8272e-61.0502e-63.5589e-85.9327e-9107.094
PCP GUHHE1.4481e-62.4185e-71.8406e-75.8226e-83.0080e-83.4109e-61.3299e-65.0681e-86.9899e-9107.094
*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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