MANUAL Location - Area: Alpi Graie , magnitude (ML): 1.6
2025-08-06 01:38:46 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-08-06 09:53:03

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Earthquake info - Manual location
Event - ID :250806013821
Magnitude (ML) :1.6 +/- 0.2
Origin Time :2025-08-06 01:38:46.9 (UTC)
Location : Latitude: 45.328 N, Longitude: 7.363 E
Area :Alpi Graie
Depth (km) :6.92
Distances (km) : 2.3 --- Cantoira
2.5 --- Ceres
4.4 --- Chialamberto
4.4 --- Mezzenile
4.7 --- Ala di Stura
5.4 --- Pessinetto
6.7 --- Monastero di Lanzo
8.1 --- Groscavallo
8.2 --- Traves
8.2 --- Coassolo Torinese
9.8 --- Viu
11.0 --- Germagnano
11.2 --- Lanzo Torinese
11.7 --- Balme
12.2 --- Lemie
12.6 --- Locana
13.4 --- Corio
13.8 --- Balangero
14.7 --- Noasca
15.2 --- Cafasse

Quality location estimate: Erh: 0.6 km, Erz: 0.6 km, Nf: 58, Gap: 49 °, Rms: 0.33


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.
LATOIV2025-08-06 01:38:49.3650.0200-0.031.682025-08-06 01:38:50.4280.0400-0.580.9710.8
RSPGU2025-08-06 01:38:51.2000.0110-0.181.192025-08-06 01:38:53.8300.0671-0.630.9222.9
LSDGU2025-08-06 01:38:51.8900.01200.021.682025-08-06 01:38:54.6000.0722-0.620.9124.8
CANIGU2025-08-06 01:38:53.2450.02000.530.282025-08-06 01:38:56.5750.04000.011.6029.3
CIROGU2025-08-06 01:38:53.5900.0170-0.660.902025-08-06 01:38:57.6450.1083-1.440.1235.7
AOSAIT2025-08-06 01:38:55.6070.02000.240.922025-08-06 01:39:00.7880.0400-0.131.3746.4
MONCIV2025-08-06 01:38:57.9800.02610.530.322025-08-06 01:39:06.8660.16041.240.0153.0
MRGEIV2025-08-06 01:38:57.1500.02810.011.602025-08-06 01:39:03.9200.1655-0.031.3055.1
OGMOFR2025-08-06 01:38:56.8360.0281-0.151.332025-08-06 01:39:03.3400.2617-0.550.8755.2
BHBGU2025-08-06 01:38:56.7000.02810.121.382025-08-06 01:39:03.4100.1675-0.051.3055.8
OROIV2025-08-06 01:38:57.5200.0291-0.081.532025-08-06 01:39:04.1200.1765-0.680.7459.1
REMYGU2025-08-06 01:38:57.9400.0301-0.031.572025-08-06 01:39:04.8200.2086-0.590.8359.7
COURMFR2025-08-06 01:38:58.5710.02000.171.222025-08-06 01:39:05.6170.0400-0.450.9463.5
RRLGU2025-08-06 01:38:58.3400.0321-0.021.572025-08-06 01:39:05.6900.1935-0.650.7864.4
BLANCGU2025-08-06 01:38:59.5600.03410.360.632025-08-06 01:39:07.6070.04000.151.1867.2
RSLFR2025-08-06 01:38:59.7500.03610.191.152025-08-06 01:39:07.4220.2897-0.590.8370.4
SATIGU2025-08-06 01:38:59.8700.0361-0.530.902025-08-06 01:39:07.7000.4849-1.800.1073.1
DIXCH2025-08-06 01:39:01.3890.0200-0.370.942025-08-06 01:39:11.0180.0400-1.020.3784.2
OGAGFR2025-08-06 01:39:02.6000.04520.141.272025-08-06 01:39:12.4120.0400-1.020.3788.6
MMKCH2025-08-06 01:39:03.1850.04720.021.432025-08-06 01:39:13.2600.2797-0.960.4993.5
PZZGU2025-08-06 01:39:02.7420.02000.041.442025-08-06 01:39:13.4440.0400-0.590.8393.7
VANNICH2025-08-06 01:39:03.8480.0200-0.121.362025-08-06 01:39:15.3120.0400-0.450.97100.1
SURFFR2025-08-06 01:39:04.9500.1436-0.011.312025-08-06 01:39:17.9100.3127-0.091.03103.8
LAUCHCH2025-08-06 01:39:08.9050.06330.570.362025-08-06 01:39:22.9030.0400-0.251.09125.3
GBOSGU2025-08-06 01:39:07.2990.02000.141.202025-08-06 01:39:21.7960.0400-0.041.12126.7
QLNOIV2025-08-06 01:39:09.3300.0723-0.131.272025-08-06 01:39:25.2780.0400-0.580.83136.0
FIESACH2025-08-06 01:39:10.1600.07030.061.242025-08-06 01:39:25.7710.0400-0.361.00136.3


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth
RSP GUHH1.425.84e-122.9201
CANI GUHH1.676.09e-129.365
CIRO GUHH1.873.56e-135.728
AOSA ITHN1.954.76e-146.40
MRGE IVHH1.438.65e-255.1335
BHB GUHH1.326.88e-255.8188
ORO IVEH1.902.57e-159.155
REMY GUHH1.275.93e-259.7344
COURMFRHH1.529.20e-263.5331
RRL GUHH1.424.78e-264.4225
SATI GUHH1.827.77e-273.133
DIX CHHH1.961.36e-184.22
OGAG FRHH1.625.48e-288.6227
MMK CHHH1.854.46e-293.530
PZZ GUHH1.658.91e-293.7192
VANNICHHH1.513.21e-2100.110
LAUCHCHHH1.733.08e-2125.315
GBOS GUHH1.671.34e-2126.7163
QLNO IVHH1.176.82e-3136.0145
FIESACHHH1.974.25e-2136.325


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.
(°)
RSP GUHHZ4.8103e-56.6342e-62.2866e-66.4460e-73.4822e-77.1186e-51.1192e-55.6737e-71.4719e-722.9201
RSP GUHHN8.3306e-51.0463e-55.5125e-61.4567e-68.1225e-71.1220e-42.7791e-51.2959e-62.0125e-722.9201
RSP GUHHE5.2674e-58.9593e-64.8205e-61.2468e-66.4141e-71.0086e-42.1513e-59.4124e-71.7747e-722.9201
LSD GUHHZ4.1802e-54.7507e-62.0747e-67.0198e-73.5492e-77.7847e-59.4593e-65.6454e-78.9614e-824.8309
LSD GUHHN4.5455e-54.3188e-62.2363e-66.6954e-73.2864e-71.0351e-48.0191e-65.4827e-71.0610e-724.8309
LSD GUHHE6.8439e-55.9201e-62.5409e-61.1475e-64.3035e-71.0409e-49.6043e-65.9365e-71.2409e-724.8309
CANI GUHHZ1.2887e-41.7831e-53.9306e-61.2144e-67.1616e-73.0559e-41.3023e-51.3161e-63.3864e-729.365
CANI GUHHN1.0113e-41.3287e-53.4323e-61.2403e-66.5524e-71.9877e-41.4790e-51.2040e-62.5745e-729.365
CANI GUHHE1.0652e-41.5671e-54.0661e-69.9815e-76.0531e-72.4979e-41.5948e-51.2274e-63.0065e-729.365
CIRO GUHHZ4.5962e-54.5778e-61.8651e-65.8039e-72.9083e-76.2335e-55.5350e-65.1701e-71.0712e-735.728
CIRO GUHHN6.4610e-57.5454e-61.4329e-63.4316e-71.8614e-79.9166e-55.2285e-64.4203e-71.1664e-735.728
CIRO GUHHE8.8340e-57.8903e-62.7372e-68.4947e-74.8199e-79.4274e-51.2637e-57.6469e-71.4729e-735.728
AOSA ITHNZ5.4722e-55.6092e-64.2342e-61.7235e-65.8145e-71.4169e-42.6969e-58.8487e-71.3302e-746.40
AOSA ITHNN7.1654e-56.5217e-63.8720e-61.2841e-66.0947e-71.1821e-42.6370e-51.0163e-61.4339e-746.40
AOSA ITHNE6.4430e-59.8624e-64.3168e-61.4339e-66.7082e-71.4139e-42.0078e-51.2130e-62.1783e-746.40
MONC IVHHZ4.4696e-61.2099e-61.1086e-64.3863e-71.7273e-71.8942e-56.3412e-62.7277e-73.2460e-853.0122
MONC IVHHN5.1576e-61.3939e-61.4095e-61.0067e-64.3966e-71.4776e-51.0162e-55.1511e-75.1056e-853.0122
MONC IVHHE1.2704e-12.2714e-21.2225e-29.0272e-34.9085e-32.4981e-17.3194e-26.0681e-36.7630e-453.0122
MRGE IVHHZ1.5066e-51.4406e-63.0754e-71.0054e-74.6988e-81.0562e-51.3891e-61.0669e-72.8620e-855.1335
MRGE IVHHN3.4153e-53.1139e-64.9618e-71.9252e-71.0871e-72.7840e-52.5536e-62.1849e-75.8517e-855.1335
MRGE IVHHE1.9046e-51.7594e-63.7183e-71.5424e-76.3385e-81.3543e-51.7143e-61.3096e-73.0064e-855.1335
BHB GUHHZ1.0820e-51.1938e-66.0767e-72.6207e-71.0508e-72.6336e-51.6459e-61.5385e-72.6613e-855.8188
BHB GUHHN7.0100e-61.0437e-66.0839e-72.1137e-77.6237e-82.4048e-52.7000e-61.1106e-72.2517e-855.8188
BHB GUHHE8.8237e-61.3582e-65.9576e-73.1156e-71.2350e-71.9000e-52.2307e-61.7571e-72.5192e-855.8188
ORO IVEHZ2.0467e-52.5524e-61.4483e-64.2942e-71.9344e-74.5572e-58.7099e-63.4502e-76.8326e-859.155
ORO IVEHN2.5796e-53.5386e-62.3746e-69.9259e-73.8678e-76.1349e-51.5673e-55.2113e-78.0431e-859.155
ORO IVEHE2.4605e-53.2738e-61.9632e-69.4599e-74.6935e-75.2068e-51.3199e-56.7321e-78.8066e-859.155
REMY GUHHZ9.2781e-69.2322e-73.2011e-71.4838e-75.7558e-89.8885e-61.6444e-67.8326e-81.8512e-859.7344
REMY GUHHN1.3323e-51.3547e-64.8068e-72.2797e-71.0508e-71.9140e-51.9715e-61.3741e-72.5846e-859.7344
REMY GUHHE8.5966e-61.1302e-64.7723e-72.2587e-71.2795e-71.9857e-52.8462e-61.4670e-72.1535e-859.7344
COURMFRHHZ1.1753e-51.5717e-67.0021e-71.7800e-71.0255e-73.3462e-52.6132e-61.8432e-73.7722e-863.5331
COURMFRHHN1.0498e-51.4487e-69.6698e-72.9339e-71.2441e-73.0734e-54.0137e-62.0137e-73.6099e-863.5331
COURMFRHHE1.3115e-51.9511e-69.7583e-72.4878e-71.2339e-73.3103e-53.5460e-61.9496e-74.2940e-863.5331
RRL GUHHZ4.1504e-65.9857e-72.8296e-71.4426e-77.0983e-81.1368e-51.5078e-68.6397e-81.2970e-864.4225
RRL GUHHN3.8373e-66.3695e-74.3405e-72.0468e-71.2298e-71.4371e-51.9581e-61.6246e-71.7366e-864.4225
RRL GUHHE3.1176e-65.5243e-74.5320e-72.2875e-71.0171e-71.0049e-52.1041e-61.1914e-71.3517e-864.4225
BLANCGUHHZ1.7013e-62.5201e-71.5912e-75.4681e-82.2159e-86.3200e-67.6670e-72.9527e-86.0239e-967.2330
BLANCGUHHN2.4828e-63.1719e-71.9460e-71.0494e-74.1230e-87.6977e-61.0900e-65.3943e-87.9029e-967.2330
BLANCGUHHE2.2126e-63.5841e-72.3446e-79.7876e-85.1847e-89.4861e-67.0584e-77.1110e-89.6263e-967.2330
SATI GUHHZ1.1768e-51.2461e-64.6858e-71.5411e-77.0299e-81.5327e-52.5511e-61.1132e-72.5457e-873.133
SATI GUHHN1.9781e-52.0917e-65.6055e-72.1474e-71.0219e-72.5911e-51.9467e-61.8494e-73.9758e-873.133
SATI GUHHE1.9490e-52.1859e-66.4126e-72.1070e-71.0190e-73.5962e-52.3549e-61.7150e-73.9021e-873.133
DIX CHHHZ2.0489e-52.5509e-61.2136e-63.3245e-71.7172e-74.3260e-55.5144e-62.9401e-75.3655e-884.22
DIX CHHHN2.2458e-52.5271e-61.0579e-63.3910e-71.4891e-73.9847e-54.4610e-62.4939e-75.9789e-884.22
DIX CHHHE2.7287e-53.0523e-61.2687e-64.2265e-71.8051e-74.8009e-55.0639e-62.8872e-76.5507e-884.22
OGAG FRHHZ1.1044e-63.1509e-72.6902e-71.2174e-74.2779e-83.9850e-61.5173e-65.0803e-88.5340e-988.6227
OGAG FRHHN1.3337e-64.4490e-74.1893e-73.0209e-71.0231e-73.1322e-61.7568e-61.1613e-71.3661e-888.6227
OGAG FRHHE1.3477e-63.3677e-73.1363e-71.8198e-78.1747e-82.3791e-61.5889e-69.3271e-89.4477e-988.6227
MMK CHHHZ3.7160e-65.2743e-73.6299e-71.1740e-75.4930e-89.2657e-61.6729e-68.2824e-81.1777e-893.530
MMK CHHHN5.4443e-66.8560e-74.1456e-71.1827e-75.7603e-81.1646e-52.3934e-68.7844e-81.6502e-893.530
MMK CHHHE5.5119e-65.4857e-72.9334e-71.0213e-75.0038e-81.1232e-51.3083e-68.1041e-81.3810e-893.530
PZZ GUHHZ4.4859e-61.0150e-66.6587e-72.0193e-79.0428e-81.5289e-53.6535e-61.3514e-72.5150e-893.7192
PZZ GUHHN4.1721e-69.3725e-76.9832e-72.4416e-71.0727e-71.2241e-53.3335e-61.3296e-72.1307e-893.7192
PZZ GUHHE6.4659e-61.1617e-69.0482e-72.8371e-71.2200e-71.6509e-53.8870e-61.6603e-73.0958e-893.7192
VANNICHHHZ2.0251e-62.6343e-71.8313e-76.2776e-83.4323e-83.3610e-68.5699e-74.3978e-86.6040e-9100.110
VANNICHHHN2.2270e-63.3281e-72.6376e-71.1293e-74.5562e-87.1475e-61.8796e-66.0993e-88.6601e-9100.110
VANNICHHHE2.5352e-63.1361e-73.0553e-71.2942e-75.7420e-84.0308e-62.0481e-67.1380e-89.8791e-9100.110
LAUCHCHHHZ1.1254e-61.7539e-71.2407e-75.3424e-82.3987e-85.4138e-64.9656e-72.9898e-84.7359e-9125.315
LAUCHCHHHN1.7090e-62.9081e-71.7459e-76.5397e-82.9988e-89.9500e-67.1936e-73.9067e-87.0492e-9125.315
LAUCHCHHHE2.3606e-64.7309e-73.1080e-79.0507e-84.4199e-81.3979e-51.1291e-67.2771e-81.0883e-8125.315
GBOS GUHHZ3.2134e-77.4601e-86.6547e-83.2657e-81.2206e-81.3389e-64.9442e-71.5545e-81.8734e-9126.7163
GBOS GUHHN5.0801e-71.1373e-79.8188e-87.1021e-84.6719e-81.7290e-64.3624e-75.4907e-85.5750e-9126.7163
GBOS GUHHE4.3900e-71.0031e-78.5648e-84.5995e-81.7164e-81.4937e-64.3923e-72.1757e-82.9852e-9126.7163
QLNO IVHHZ2.9708e-74.8230e-84.1283e-81.3500e-88.5521e-91.2222e-61.8849e-71.4049e-81.2599e-9136.0145
QLNO IVHHN4.0088e-75.3953e-83.9488e-81.8319e-89.1814e-99.0790e-72.2203e-71.4194e-81.6335e-9136.0145
QLNO IVHHE4.6053e-78.4750e-85.6453e-81.8967e-89.7644e-91.3307e-62.5020e-71.4974e-81.8981e-9136.0145
FIESACHHHZ1.5427e-62.8214e-72.4039e-71.7685e-78.0190e-84.8878e-61.6654e-68.0627e-88.3730e-9136.325
FIESACHHHN1.6272e-62.7947e-72.3653e-71.2168e-75.6833e-84.9866e-61.2964e-67.0855e-87.9666e-9136.325
FIESACHHHE2.0898e-64.6483e-72.5104e-71.2146e-76.9184e-85.5910e-61.0851e-68.5167e-81.0234e-8136.325
*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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