MANUAL Location - Area: Alpi Cozie , magnitude (ML): 1.0
2025-09-17 06:09:36 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-09-17 07:00:43

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Earthquake info - Manual location
Event - ID :250917060826
Magnitude (ML) :1.0 +/- 0.2
Origin Time :2025-09-17 06:09:36.423 (UTC)
Location : Latitude: 44.390 N, Longitude: 7.320 E
Area :Alpi Cozie
Depth (km) :8.49
Distances (km) : 2.2 --- Monterosso Grana
4.6 --- Pradleves
5.4 --- Valgrana
7.0 --- Montemale di Cuneo
7.0 --- Valloriate
7.6 --- Rittana
8.4 --- Demonte
8.9 --- Castelmagno
9.0 --- Gaiola
9.1 --- Caraglio
9.2 --- Bernezzo
9.4 --- Dronero
9.4 --- Moiola
10.0 --- Roccabruna
10.2 --- Cartignano
10.9 --- Roccasparvera
11.5 --- Villar San Costanzo
11.6 --- Aisone
11.8 --- Cervasca
12.3 --- San Damiano Macra

Quality location estimate: Erh: 1.1 km, Erz: 1 km, Nf: 44, Gap: 83 °, Rms: 0.32


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.
VINDIV2025-09-17 06:09:39.1260.0200-0.690.392025-09-17 06:09:40.9950.0400-1.150.3616.8
ENRGU2025-09-17 06:09:40.8400.02410.311.092025-09-17 06:09:43.3240.0671-0.041.5421.7
PZZGU2025-09-17 06:09:41.3000.02510.231.382025-09-17 06:09:44.4300.07020.051.6023.0
ISOFR2025-09-17 06:09:43.0600.02610.580.162025-09-17 06:09:46.6400.09820.081.5532.8
SURFFR2025-09-17 06:09:44.3400.0261-0.071.482025-09-17 06:09:49.8500.1283-0.330.8442.4
GBOSGU2025-09-17 06:09:44.9100.03810.261.282025-09-17 06:09:50.2410.1394-0.001.4245.5
TURFFR2025-09-17 06:09:45.5400.03410.281.222025-09-17 06:09:51.0360.1002-0.500.5947.2
SAOFFR2025-09-17 06:09:45.7290.02000.121.562025-09-17 06:09:51.0670.2226-1.000.3849.3
BHBGU2025-09-17 06:09:45.1480.0291-0.011.592025-09-17 06:09:51.3430.18050.171.2850.5
MLIGIV2025-09-17 06:09:46.1240.0200-0.350.642025-09-17 06:09:52.3410.0400-1.270.2753.9
MGROGU2025-09-17 06:09:46.4600.0381-0.171.152025-09-17 06:09:53.2610.1002-0.600.5255.7
MVIFFR2025-09-17 06:09:47.4200.02000.350.932025-09-17 06:09:53.5960.1755-1.160.3257.1
ESCAFR2025-09-17 06:09:48.0660.02000.221.382025-09-17 06:09:55.3700.1885-0.490.6962.9
BIGNGU2025-09-17 06:09:48.3600.0432-0.091.392025-09-17 06:09:56.6600.2506-0.171.0867.3
ROROGU2025-09-17 06:09:48.4000.04320.051.582025-09-17 06:09:56.6900.20560.101.2367.5
BURYGU2025-09-17 06:09:48.0960.0200-1.080.362025-09-17 06:09:56.8900.2166-1.140.3270.6
IMIGU2025-09-17 06:09:48.8290.0200-0.011.542025-09-17 06:09:57.5000.2136-0.151.1270.8
RRLGU2025-09-17 06:09:49.5800.02000.211.382025-09-17 06:09:58.2230.0400-0.320.8973.2
OGAGFR2025-09-17 06:09:50.1030.02000.051.562025-09-17 06:09:59.1100.2997-0.670.6076.6
RSPGU2025-09-17 06:09:50.6220.02000.011.532025-09-17 06:10:01.7770.04001.090.0285.0
PCPGU2025-09-17 06:09:53.8690.02000.470.602025-09-17 06:10:05.4710.04000.021.2399.0


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
ENR GUHH1.296.11e-121.7156
PZZ GUHH0.892.69e-123.0309
ISO FRHH0.604.21e-232.8223
GBOS GUHH1.458.05e-245.5112
TURF FRHH1.005.12e-247.2173
SAOF FRHH0.732.51e-249.3157
BHB GUHH0.671.89e-250.5355
MGRO GUHH0.902.90e-255.7135
ESCA FRHH1.325.90e-262.9176
BIGN GUEH0.952.17e-267.3150
RORO GUHH1.193.80e-267.5117
BURY GUHH1.002.24e-270.6164
IMI GUHH1.204.65e-270.8139
RRL GUHH0.818.82e-373.2325
OGAG FRHH0.961.70e-276.6306
RSP GUHH0.677.30e-385.0357
PCP GUHH0.898.79e-399.080


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.
(°)
ENR GUHHZ1.2955e-41.4718e-52.6395e-69.0849e-75.2771e-71.9143e-41.1211e-51.0327e-62.4548e-721.7156
ENR GUHHN2.3572e-42.0160e-52.9602e-61.0705e-66.6473e-72.1346e-41.1491e-51.3021e-63.7845e-721.7156
ENR GUHHE3.3246e-42.4630e-52.5270e-67.9212e-74.8102e-79.3031e-51.2329e-51.4135e-64.4272e-721.7156
PZZ GUHHZ1.8559e-52.6591e-61.6546e-64.5229e-72.3894e-74.3867e-58.8620e-63.7534e-76.6158e-823.0309
PZZ GUHHN2.3403e-54.2235e-62.5594e-67.4600e-73.8279e-76.5338e-51.2031e-56.1428e-71.1369e-723.0309
PZZ GUHHE1.6491e-53.2006e-61.6125e-63.3209e-72.0298e-74.3149e-57.0780e-63.1650e-76.1850e-823.0309
ISO FRHHZ5.5517e-67.3077e-73.4656e-71.4069e-78.0555e-88.3238e-62.1392e-61.2665e-72.0729e-832.8223
ISO FRHHN8.7941e-68.9024e-72.1876e-77.4582e-84.1577e-86.7389e-69.2276e-77.1622e-81.6277e-832.8223
ISO FRHHE7.7731e-69.9157e-72.8500e-78.0945e-84.6740e-81.3679e-51.2020e-69.1399e-82.1975e-832.8223
GBOS GUHHZ8.2269e-61.6362e-67.6518e-72.3168e-71.1346e-72.1494e-53.0318e-61.7582e-73.3669e-845.5112
GBOS GUHHN6.1666e-61.2428e-66.8466e-72.5065e-71.0899e-71.9035e-52.5389e-61.7134e-72.7333e-845.5112
GBOS GUHHE5.8660e-61.1749e-66.2467e-72.1301e-71.0032e-71.9181e-53.0005e-61.5992e-72.8150e-845.5112
TURF FRHHZ3.7196e-66.5779e-73.3743e-79.5837e-84.8621e-81.3847e-51.1440e-68.2512e-81.5806e-847.2173
TURF FRHHN5.4359e-68.8069e-74.5465e-71.0194e-75.9493e-81.9678e-51.9589e-61.1463e-72.1078e-847.2173
TURF FRHHE3.4037e-65.2922e-73.1893e-71.1075e-74.5581e-81.2263e-51.4677e-65.9415e-81.3574e-847.2173
SAOF FRHHZ1.5359e-62.5222e-71.9119e-76.4660e-83.8158e-83.9356e-61.3532e-65.7890e-87.5709e-949.3157
SAOF FRHHN1.6142e-62.4468e-71.2632e-75.4365e-81.9703e-83.5387e-66.5252e-72.6715e-85.1893e-949.3157
SAOF FRHHE1.8670e-63.1533e-72.0853e-75.6862e-83.4868e-84.8304e-61.3306e-65.5106e-87.6815e-949.3157
BHB GUHHZ2.9010e-64.4065e-71.7707e-76.5740e-83.6970e-87.2916e-67.4114e-78.0831e-88.7686e-950.5355
BHB GUHHN2.7581e-63.5122e-71.7161e-75.4831e-82.4615e-87.0833e-68.6383e-73.8976e-87.8352e-950.5355
BHB GUHHE2.8118e-63.6847e-71.5422e-75.5444e-83.3415e-86.6044e-66.8767e-76.6666e-87.0428e-950.5355
MGRO GUHHZ3.3981e-64.3480e-71.3527e-75.5104e-82.9553e-84.5830e-65.7487e-73.6287e-85.6387e-955.7135
MGRO GUHHN3.6039e-65.1064e-72.5720e-78.0090e-84.3186e-89.8938e-61.3200e-67.9644e-81.2579e-855.7135
MGRO GUHHE2.9240e-63.7236e-71.9152e-76.7505e-83.3833e-88.2439e-61.1663e-64.3502e-88.7975e-955.7135
ESCA FRHHZ2.8004e-64.4429e-72.1791e-75.6855e-82.8381e-86.8794e-61.4284e-64.6578e-81.0506e-862.9176
ESCA FRHHN5.9213e-69.8173e-73.1120e-79.0819e-85.1512e-81.4839e-51.2649e-69.0993e-82.2523e-862.9176
ESCA FRHHE3.6943e-68.2010e-74.9177e-71.4110e-77.2769e-81.1313e-53.5550e-61.1291e-72.0784e-862.9176
BIGN GUEHZ1.7036e-62.2810e-78.9402e-85.5490e-89.2529e-82.4273e-64.3909e-71.5559e-72.5812e-867.3150
BIGN GUEHN4.0980e-64.6386e-72.2090e-77.2704e-83.9366e-89.1359e-68.8180e-75.7048e-81.0463e-867.3150
BIGN GUEHE6.6091e-66.6208e-71.3480e-75.6251e-84.2096e-87.1226e-65.5168e-77.7100e-81.4515e-867.3150
RORO GUHHZ4.0771e-65.0253e-72.6098e-78.0076e-83.4215e-81.0179e-51.1461e-65.0159e-81.1139e-867.5117
RORO GUHHN4.2842e-67.4297e-73.5694e-78.1353e-85.0082e-81.1318e-51.8420e-68.2666e-81.5745e-867.5117
RORO GUHHE3.6300e-65.5995e-72.3452e-76.6162e-82.9985e-81.2282e-59.0036e-75.0132e-81.2172e-867.5117
BURY GUHHZ1.7248e-62.2360e-71.4681e-77.5130e-84.3284e-83.5910e-67.4105e-77.3710e-85.8598e-970.6164
BURY GUHHN2.4891e-63.8526e-72.4406e-76.8259e-84.4321e-89.1540e-69.4162e-76.5137e-88.9468e-970.6164
BURY GUHHE2.8276e-64.1502e-72.5140e-77.2548e-84.9810e-81.0637e-51.2017e-66.8398e-81.0262e-870.6164
IMI GUHHZ2.8216e-63.6306e-71.5620e-76.1761e-83.7878e-86.4244e-66.9064e-76.4490e-88.2036e-970.8139
IMI GUHHN8.5233e-61.1392e-63.7057e-71.7015e-78.0260e-81.1436e-51.4320e-61.1868e-72.1001e-870.8139
IMI GUHHE4.1130e-65.5659e-72.6987e-78.1853e-84.3931e-89.0227e-69.5101e-78.6276e-81.3660e-870.8139
RRL GUHHZ6.6473e-78.0151e-84.3453e-82.3727e-81.2148e-81.1795e-62.3834e-71.7796e-81.7956e-973.2325
RRL GUHHN6.4368e-71.0111e-77.9464e-83.0833e-81.6664e-81.7608e-64.6130e-72.7927e-82.7872e-973.2325
RRL GUHHE5.5062e-78.1842e-85.3807e-82.6238e-81.5167e-81.2986e-62.8537e-72.2233e-82.2463e-973.2325
OGAG FRHHZ4.3116e-71.5457e-71.1191e-75.6562e-82.0540e-81.1013e-67.1861e-73.3070e-84.3760e-976.6306
OGAG FRHHN3.7834e-79.6121e-89.1358e-84.2247e-82.0037e-81.6995e-65.6490e-72.7985e-82.6528e-976.6306
OGAG FRHHE4.5750e-71.4005e-71.6176e-78.8991e-83.5757e-87.3050e-78.3210e-74.6452e-84.2242e-976.6306
RSP GUHHZ6.7163e-78.0873e-84.7165e-82.6804e-81.3105e-81.1573e-62.2515e-71.7122e-81.9718e-985.0357
RSP GUHHN9.0135e-71.0263e-75.9707e-82.7028e-81.3537e-82.0981e-62.7411e-71.5226e-82.5020e-985.0357
RSP GUHHE7.4385e-71.0980e-77.4313e-83.6154e-81.6778e-82.4745e-63.7132e-72.1436e-83.0384e-985.0357
PCP GUHHZ7.2481e-71.0301e-78.3162e-84.2359e-82.0527e-81.5621e-66.1292e-72.4360e-83.1538e-999.080
PCP GUHHN7.0925e-79.6075e-87.6104e-83.6044e-82.1656e-81.7989e-63.3539e-72.9119e-83.2236e-999.080
PCP GUHHE1.0480e-61.4100e-77.7926e-83.3854e-82.0861e-82.3710e-64.7339e-73.2759e-83.3682e-999.080
*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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