MANUAL Location - Area: Alpi Cozie , magnitude (ML): 1.1
2025-11-27 13:13:13 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-11-28 07:20:57

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Earthquake info - Manual location
Event - ID :251127131159
Magnitude (ML) :1.1 +/- 0.2
Origin Time :2025-11-27 13:13:13.868 (UTC)
Location : Latitude: 44.412 N, Longitude: 7.285 E
Area :Alpi Cozie
Depth (km) :11.47
Distances (km) : 0.9 --- Pradleves
3.0 --- Monterosso Grana
5.8 --- Castelmagno
7.3 --- Cartignano
7.5 --- Valgrana
7.8 --- Montemale di Cuneo
8.6 --- Roccabruna
8.8 --- Dronero
8.9 --- San Damiano Macra
10.7 --- Demonte
10.7 --- Valloriate
11.0 --- Villar San Costanzo
11.3 --- Rittana
11.4 --- Caraglio
11.5 --- Celle di Macra
12.1 --- Aisone
12.3 --- Bernezzo
12.8 --- Gaiola
13.0 --- Macra
13.1 --- Moiola

Quality location estimate: Erh: 1 km, Erz: 1.4 km, Nf: 42, Gap: 82 °, Rms: 0.30


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.
VINDIV2025-11-27 13:13:17.6130.02000.151.232025-11-27 13:13:19.6430.0400-0.301.1518.4
PZZGU2025-11-27 13:13:18.4500.01000.360.812025-11-27 13:13:20.9700.0712-0.141.4321.4
STVGU2025-11-27 13:13:18.4000.01100.360.812025-11-27 13:13:20.8700.0752-0.051.5622.5
ENRGU2025-11-27 13:13:18.9500.01300.300.882025-11-27 13:13:22.0200.08620.071.5026.2
ISOFR2025-11-27 13:13:20.6200.02210.550.272025-11-27 13:13:24.2200.1033-0.041.5333.8
SURFFR2025-11-27 13:13:21.3700.0211-0.021.592025-11-27 13:13:26.3800.1223-0.470.9439.9
BHBGU2025-11-27 13:13:22.3220.02000.061.542025-11-27 13:13:27.9200.1534-0.141.4048.6
GBOSGU2025-11-27 13:13:22.8140.02000.121.412025-11-27 13:13:28.5840.1564-0.181.3649.6
SAOFFR2025-11-27 13:13:23.7700.02000.121.422025-11-27 13:13:29.7300.2116-0.830.5253.3
MLIGIV2025-11-27 13:13:24.0260.0200-0.510.812025-11-27 13:13:30.6520.0400-1.480.1158.0
MVIFFR2025-11-27 13:13:24.8500.06020.011.552025-11-27 13:13:31.6700.2486-1.130.3259.4
MGROGU2025-11-27 13:13:24.3830.0200-0.311.172025-11-27 13:13:31.4100.2797-1.000.4160.0
ESCAFR2025-11-27 13:13:26.0680.02000.291.012025-11-27 13:13:33.6730.1002-0.510.8966.1
RRLGU2025-11-27 13:13:26.2220.0200-0.071.532025-11-27 13:13:34.9090.0400-0.201.3470.1
BIGNGU2025-11-27 13:13:26.0780.0200-0.391.032025-11-27 13:13:34.4030.0400-0.900.4271.3
ROROGU2025-11-27 13:13:26.0800.0200-0.251.282025-11-27 13:13:34.7290.2557-0.341.1171.5
OGAGFR2025-11-27 13:13:26.9760.02000.041.522025-11-27 13:13:35.4890.0400-0.760.5673.4
IMIGU2025-11-27 13:13:26.7580.0200-0.111.492025-11-27 13:13:35.5500.2386-0.600.8174.9
RSPGU2025-11-27 13:13:27.0580.0200-0.600.702025-11-27 13:13:36.3890.1002-1.180.2782.8
PCPGU2025-11-27 13:13:31.5680.02000.500.552025-11-27 13:13:44.0990.04000.690.37101.7
LSDGU2025-11-27 13:13:34.1160.02000.800.172025-11-27 13:13:47.2030.10020.001.23117.8


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth
PZZ GUHH1.186.04e-121.4308
STV GUHH1.272.69e-122.5170
ENR GUHH1.598.56e-126.2152
ISO FRHH0.877.38e-233.8216
BHB GUHH1.085.33e-248.6358
GBOS GUHH1.325.00e-249.6113
SAOF FRHH0.913.23e-253.3155
MGRO GUHH0.922.62e-260.0134
ESCA FRHH1.305.08e-266.1174
RRL GUHH0.991.50e-270.1326
BIGN GUEH1.142.96e-271.3149
RORO GUHH1.092.63e-271.5118
OGAG FRHH1.162.96e-273.4306
IMI GUHH1.204.13e-274.9139
RSP GUHH1.021.74e-282.8359
PCP GUHH1.091.30e-2101.781
LSD GUHH1.281.27e-2117.8354


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.
(°)
PZZ GUHHZ7.0925e-51.2057e-55.3542e-61.4706e-67.5326e-71.1440e-42.3406e-51.2905e-62.7009e-721.4308
PZZ GUHHN1.0506e-41.2815e-54.6412e-61.4287e-68.6259e-71.2400e-42.0850e-51.5871e-62.9751e-721.4308
PZZ GUHHE7.2654e-51.0163e-54.6187e-61.4069e-66.9484e-79.9497e-51.8542e-51.0418e-61.8311e-721.4308
STV GUHHZ4.6144e-54.2009e-61.2369e-62.9226e-71.8354e-73.6111e-55.6146e-63.4518e-77.8721e-822.5170
STV GUHHN5.3289e-54.5612e-61.1181e-62.9566e-71.8390e-75.9317e-53.4654e-63.6755e-71.0301e-722.5170
STV GUHHE5.2212e-57.0009e-62.0594e-65.3918e-73.1995e-71.1775e-47.1235e-66.0004e-71.3036e-722.5170
ENR GUHHZ7.7973e-56.9229e-62.1116e-65.0934e-72.9678e-71.0140e-48.9772e-65.1513e-71.3747e-726.2152
ENR GUHHN2.3405e-42.2758e-55.4227e-61.8834e-69.7143e-72.7860e-42.5530e-51.6961e-64.0252e-726.2152
ENR GUHHE2.4522e-42.1505e-55.3875e-61.6339e-69.9822e-71.8495e-42.2105e-51.6814e-63.4439e-726.2152
ISO FRHHZ9.9872e-61.5323e-67.1530e-72.5224e-71.4888e-71.7171e-53.6579e-62.2988e-73.6234e-833.8216
ISO FRHHN1.1668e-51.4392e-65.4762e-71.9464e-71.2815e-72.5733e-52.5307e-62.1256e-73.0496e-833.8216
ISO FRHHE9.3673e-61.1513e-63.2219e-71.0340e-75.0279e-82.0558e-59.0458e-71.0168e-72.4242e-833.8216
BHB GUHHZ9.2844e-61.0100e-63.4550e-71.0105e-75.3215e-81.9703e-51.9518e-69.6392e-81.9509e-848.6358
BHB GUHHN6.6083e-68.3868e-73.7600e-78.7284e-85.4973e-81.4328e-51.7788e-69.3826e-82.0076e-848.6358
BHB GUHHE1.2171e-51.3114e-63.4830e-79.8642e-85.7271e-83.1100e-51.5563e-61.1473e-72.8127e-848.6358
GBOS GUHHZ6.4726e-68.8879e-74.4980e-71.5235e-76.8816e-81.9510e-52.1325e-69.7312e-81.7476e-849.6113
GBOS GUHHN5.8615e-68.1535e-73.5796e-71.1014e-76.0948e-81.3840e-59.3943e-71.0972e-72.1015e-849.6113
GBOS GUHHE4.0596e-66.4686e-74.7067e-71.7056e-78.0437e-81.3660e-52.0009e-61.1364e-71.6702e-849.6113
SAOF FRHHZ2.1113e-63.8954e-71.9191e-75.9412e-83.4583e-84.6756e-68.3159e-75.9344e-88.8111e-953.3155
SAOF FRHHN2.5273e-65.9498e-72.5653e-71.0509e-79.8935e-87.6807e-61.0112e-61.6093e-71.9532e-853.3155
SAOF FRHHE3.0957e-64.1486e-71.6901e-76.2725e-83.6790e-87.4863e-67.2509e-75.4627e-89.7047e-953.3155
MGRO GUHHZ1.2034e-61.8101e-71.0966e-75.2778e-82.8302e-83.3725e-64.4654e-74.6536e-84.8876e-960.0134
MGRO GUHHN2.5572e-63.4843e-72.3865e-77.4220e-84.4491e-85.2786e-61.2706e-66.0379e-81.0077e-860.0134
MGRO GUHHE2.4194e-63.1872e-72.2040e-78.6156e-84.4462e-85.0615e-61.1375e-66.1391e-89.4442e-960.0134
ESCA FRHHZ4.2558e-66.5743e-72.8312e-77.9156e-83.9623e-81.0009e-51.1871e-67.0538e-81.3111e-866.1174
ESCA FRHHN4.8919e-66.4712e-73.3854e-71.0394e-74.5631e-81.5738e-51.1893e-67.3437e-81.6368e-866.1174
ESCA FRHHE5.3926e-67.5429e-74.8668e-71.7625e-77.1191e-81.0895e-51.6050e-61.1239e-71.8198e-866.1174
RRL GUHHZ1.1358e-61.6247e-77.9915e-84.3232e-82.1173e-82.5777e-65.2539e-73.2646e-83.6809e-970.1326
RRL GUHHN1.3159e-62.3035e-71.4962e-74.6449e-82.7613e-83.6266e-65.4405e-73.5410e-86.0957e-970.1326
RRL GUHHE1.6291e-62.7520e-71.4229e-75.4917e-82.5297e-84.3641e-66.4786e-73.3432e-85.8690e-970.1326
BIGN GUEHZ2.1604e-62.1152e-71.0524e-74.1133e-83.3361e-83.9954e-65.2191e-75.0225e-85.3314e-971.3149
BIGN GUEHN5.9812e-67.1234e-72.4901e-78.2968e-85.1065e-81.2692e-57.7023e-77.3766e-81.3515e-871.3149
BIGN GUEHE5.0731e-66.4135e-72.1633e-77.5354e-86.9461e-81.0321e-58.2137e-71.0796e-71.5023e-871.3149
RORO GUHHZ3.0982e-64.7384e-72.7365e-78.2705e-84.5135e-86.6787e-61.2365e-66.6986e-81.1422e-871.5118
RORO GUHHN2.6057e-64.3482e-72.5697e-76.6130e-83.6051e-85.1150e-61.1943e-65.4545e-89.0631e-971.5118
RORO GUHHE3.7231e-64.5048e-72.7271e-76.8250e-83.4994e-89.0069e-61.2671e-65.3104e-81.0096e-871.5118
OGAG FRHHZ5.1477e-71.5282e-71.4857e-71.0437e-75.8714e-81.4403e-61.0929e-67.1908e-85.7495e-973.4306
OGAG FRHHN5.5468e-71.3944e-71.2249e-77.9947e-83.4815e-81.9500e-67.1830e-74.5835e-85.5112e-973.4306
OGAG FRHHE6.8365e-72.4158e-72.1869e-71.6998e-76.6594e-81.4709e-61.1459e-68.2042e-87.1977e-973.4306
IMI GUHHZ3.1696e-64.0361e-71.8837e-77.8728e-84.3331e-85.6011e-68.4088e-75.3987e-87.6287e-974.9139
IMI GUHHN6.4050e-68.6130e-73.8779e-71.2473e-77.0284e-89.7860e-62.1947e-61.3549e-71.9002e-874.9139
IMI GUHHE4.6295e-66.3384e-72.7165e-79.6540e-85.8163e-89.6113e-61.5862e-67.2454e-81.4991e-874.9139
RSP GUHHZ1.8114e-62.6738e-79.6267e-83.3463e-81.7094e-84.4304e-64.5947e-72.4514e-85.4083e-982.8359
RSP GUHHN2.0695e-62.9147e-71.5817e-74.0600e-82.1144e-85.9681e-65.0774e-73.2410e-86.8915e-982.8359
RSP GUHHE1.7332e-62.7119e-71.6433e-74.3617e-81.9310e-86.8969e-65.1318e-72.9422e-87.1265e-982.8359
PCP GUHHZ1.1437e-61.3155e-79.1739e-83.1612e-82.1501e-82.3512e-65.3383e-73.3043e-83.3603e-9101.781
PCP GUHHN1.1746e-61.4852e-78.4127e-83.0762e-82.2839e-83.5014e-63.5692e-74.2927e-83.3691e-9101.781
PCP GUHHE1.1753e-61.7878e-71.2212e-74.3967e-81.9362e-83.6168e-65.4120e-72.8562e-84.8079e-9101.781
LSD GUHHZ7.4628e-71.2268e-76.9757e-82.4694e-81.0994e-81.4876e-63.6830e-71.5713e-82.7388e-9117.8354
LSD GUHHN8.8330e-71.2921e-77.7891e-82.3972e-81.4190e-82.5106e-64.4682e-71.7452e-83.2137e-9117.8354
LSD GUHHE9.9415e-72.0644e-71.4331e-74.0732e-82.0369e-82.7137e-67.5646e-72.5346e-84.4598e-9117.8354
*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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