MANUAL Location - Area: Alpi Graie , magnitude (ML): 2.3
2025-08-06 03:25:19 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-08-06 09:57:29

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Earthquake info - Manual location
Event - ID :250806032453
Magnitude (ML) :2.3 +/- 0.2
Origin Time :2025-08-06 03:25:19.024 (UTC)
Location : Latitude: 45.329 N, Longitude: 7.362 E
Area :Alpi Graie
Depth (km) :6.52
Distances (km) : 2.3 --- Cantoira
2.7 --- Ceres
4.2 --- Chialamberto
4.5 --- Mezzenile
4.6 --- Ala di Stura
5.5 --- Pessinetto
6.9 --- Monastero di Lanzo
7.9 --- Groscavallo
8.4 --- Traves
8.4 --- Coassolo Torinese
9.9 --- Viu
11.2 --- Germagnano
11.3 --- Lanzo Torinese
11.7 --- Balme
12.3 --- Lemie
12.6 --- Locana
13.5 --- Corio
13.9 --- Balangero
14.6 --- Noasca
15.2 --- Usseglio

Quality location estimate: Erh: 0.7 km, Erz: 1.2 km, Nf: 74, Gap: 49 °, Rms: 0.41


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 03:25:21.4870.0200-0.011.532025-08-06 03:25:22.5110.0400-0.601.1810.7
RSPGU2025-08-06 03:25:23.2900.0110-0.211.222025-08-06 03:25:25.9300.0671-0.641.1222.8
LSDGU2025-08-06 03:25:23.9700.01200.021.522025-08-06 03:25:26.6800.0722-0.601.1524.6
CANIGU2025-08-06 03:25:25.3470.02000.510.362025-08-06 03:25:28.7050.04000.021.4629.3
TNOIT2025-08-06 03:25:25.6850.02000.181.082025-08-06 03:25:30.7850.04000.650.2233.8
CIROGU2025-08-06 03:25:25.6300.0170-0.730.962025-08-06 03:25:29.7500.1043-1.430.2535.5
AOSAIT2025-08-06 03:25:27.7110.02000.250.912025-08-06 03:25:33.0860.04000.091.3146.2
MONCIV2025-08-06 03:25:30.0200.02610.420.552025-08-06 03:25:36.7960.0400-0.980.5353.0
MRGEIV2025-08-06 03:25:29.2500.02810.021.462025-08-06 03:25:35.2150.1002-0.800.8154.9
OGMOFR2025-08-06 03:25:28.6500.0281-0.451.132025-08-06 03:25:35.6050.1705-0.381.2255.1
BHBGU2025-08-06 03:25:28.6700.0281-0.041.482025-08-06 03:25:35.5100.1675-0.091.3255.9
OROIV2025-08-06 03:25:29.5000.0291-0.231.262025-08-06 03:25:36.3700.1765-0.561.0859.1
REMYGU2025-08-06 03:25:30.0400.0301-0.031.472025-08-06 03:25:36.7000.3117-0.780.8359.5
COURMFR2025-08-06 03:25:30.8100.03210.310.782025-08-06 03:25:37.4170.1002-0.720.9263.3
RRLGU2025-08-06 03:25:30.3200.0321-0.161.362025-08-06 03:25:37.7590.1935-0.700.9364.3
BLANCGU2025-08-06 03:25:29.8100.0391-1.480.222025-08-06 03:25:39.6780.04000.151.1467.0
RSLFR2025-08-06 03:25:31.7900.03610.141.232025-08-06 03:25:39.6500.2336-0.441.1670.2
SATIGU2025-08-06 03:25:31.9700.0361-0.551.152025-08-06 03:25:40.1590.4679-1.460.3273.0
DIXCH2025-08-06 03:25:33.5150.0422-0.361.202025-08-06 03:25:42.7000.2937-1.430.2984.1
OGAGFR2025-08-06 03:25:34.6500.04520.061.332025-08-06 03:25:44.4520.0400-1.100.4688.5
MMKCH2025-08-06 03:25:35.0750.0462-0.231.302025-08-06 03:25:45.3820.2817-0.960.6593.4
PZZGU2025-08-06 03:25:34.2900.1195-0.561.112025-08-06 03:25:45.4000.4839-0.800.7993.7
VANNICH2025-08-06 03:25:36.0450.0522-0.031.382025-08-06 03:25:47.4120.3027-0.461.07100.0
SURFFR2025-08-06 03:25:37.0700.0663-0.031.362025-08-06 03:25:49.7900.3167-0.351.10103.9
SENINCH2025-08-06 03:25:39.5700.06030.650.292025-08-06 03:25:54.3400.04001.580.01115.4
STVGU2025-08-06 03:25:37.6200.0603-0.631.052025-08-06 03:25:50.2330.0400-1.880.00120.7
ENRGU2025-08-06 03:25:37.9300.0613-0.381.22--:---.-----.---.-- 122.4
VAREIV2025-08-06 03:25:40.1700.0623-0.071.332025-08-06 03:25:54.6830.0400-0.640.97125.1
LAUCHCH2025-08-06 03:25:40.3500.0633-0.101.332025-08-06 03:25:55.0180.0400-0.241.20125.2
GBOSGU2025-08-06 03:25:39.5600.06330.250.972025-08-06 03:25:53.6750.0400-0.351.18126.8
PCPGU2025-08-06 03:25:40.3700.06330.091.222025-08-06 03:25:56.1820.04000.440.67128.0
ISOFR2025-08-06 03:25:40.0500.0653-0.421.202025-08-06 03:25:56.1670.04000.430.68129.8
QLNOIV2025-08-06 03:25:41.5500.0683-0.081.322025-08-06 03:25:56.9620.0400-1.110.52136.2
FIESACH2025-08-06 03:25:42.2550.07030.031.262025-08-06 03:25:57.4410.0400-0.820.79136.2
ROROGU2025-08-06 03:25:42.6500.12660.051.212025-08-06 03:25:59.2800.0400-0.461.08146.4
MGROGU2025-08-06 03:25:42.4400.0733-0.211.302025-08-06 03:25:59.5900.0400-0.311.14147.5


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth
RSP GUHH2.284.28e+022.8201
LSD GUHH1.991.79e+024.6309
CANI GUHH2.131.75e+029.365
TNO ITHN2.241.72e+033.8140
CIRO GUHH2.451.38e+035.528
AOSA ITHN2.521.77e+046.20
MRGE IVHH1.962.95e-154.9335
BHB GUHH1.963.05e-155.9188
ORO IVEH2.711.66e+059.155
REMY GUHH2.013.27e-159.5344
COURMFRHH2.224.66e-163.3331
RRL GUHH2.122.42e-164.3225
SATI GUHH2.463.41e-173.033
DIX CHHH2.687.23e-184.12
OGAG FRHH2.262.41e-188.5227
MMK CHHH2.542.18e-193.430
PZZ GUHH2.334.19e-193.7192
VANNICHHH2.291.94e-1100.010
SENINCHHH2.522.33e-1115.4358
STV GUHH1.883.26e-2120.7181
VARE IVHH2.241.00e-1125.161
LAUCHCHHH2.411.48e-1125.215
GBOS GUHH2.285.47e-2126.8162
QLNO IVHH1.873.41e-2136.2145
FIESACHHH2.762.62e-1136.225
RORO GUHH2.044.14e-2146.4157
MGRO GUHH1.993.67e-2147.5166


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 GUHHZ1.5914e-42.4353e-51.5460e-56.2833e-63.7205e-63.0823e-46.8381e-55.7532e-67.4880e-722.8201
RSP GUHHN3.5798e-45.8086e-53.4100e-58.4940e-66.5874e-64.9597e-41.6756e-41.0441e-51.5357e-622.8201
RSP GUHHE1.6698e-42.8784e-52.4031e-51.0156e-55.0389e-64.1077e-41.4693e-45.9309e-67.4193e-722.8201
LSD GUHHZ2.0613e-42.9173e-51.3399e-54.2070e-62.3092e-64.5926e-45.6224e-53.7720e-66.2389e-724.6309
LSD GUHHN1.7660e-42.4821e-51.3582e-55.3297e-63.2038e-63.4216e-45.9364e-54.8578e-66.4642e-724.6309
LSD GUHHE3.2155e-43.6628e-51.6571e-57.8421e-63.4427e-63.6278e-45.4654e-54.8171e-66.9880e-724.6309
CANI GUHHZ3.0374e-44.2242e-51.4093e-53.5775e-62.1588e-67.3464e-44.5893e-53.8488e-69.1769e-729.365
CANI GUHHN2.3859e-43.3949e-59.9369e-62.8492e-61.6630e-65.2886e-44.4885e-53.0321e-67.0827e-729.365
CANI GUHHE2.4291e-44.0225e-51.4551e-54.2478e-62.2148e-66.4767e-45.9618e-53.2947e-68.1211e-729.365
TNO ITHNZ8.3482e-51.3168e-57.5547e-62.4336e-69.9288e-72.7124e-43.4159e-51.4722e-62.8605e-733.8140
TNO ITHNN1.4176e-41.6978e-51.3746e-55.5717e-62.5250e-63.2559e-48.1543e-53.5672e-64.8220e-733.8140
TNO ITHNE9.9993e-51.7875e-51.3350e-54.7992e-61.9654e-62.4111e-46.4393e-52.6325e-64.2343e-733.8140
CIRO GUHHZ1.5576e-41.2032e-56.7058e-62.3330e-61.1460e-61.8525e-42.8434e-51.5706e-62.5756e-735.528
CIRO GUHHN1.3951e-41.6503e-56.3797e-61.8348e-68.5101e-73.3862e-42.8514e-51.2805e-62.8076e-735.528
CIRO GUHHE1.4619e-41.3639e-51.0229e-53.6204e-61.9162e-62.0129e-45.4078e-52.9249e-64.2847e-735.528
AOSA ITHNZ1.3603e-41.7736e-51.7155e-57.5193e-62.6118e-61.8426e-41.0586e-43.9225e-64.9192e-746.20
AOSA ITHNN1.8431e-41.9093e-51.6302e-55.9149e-62.5916e-63.3881e-41.1604e-43.9156e-66.0504e-746.20
AOSA ITHNE1.9494e-42.9707e-52.0156e-56.6087e-62.6135e-65.1032e-41.1801e-44.0957e-67.5209e-746.20
MONC IVHHZ1.9836e-56.4896e-66.3141e-62.3345e-68.5559e-77.1150e-53.0435e-51.0744e-61.8410e-753.0122
MONC IVHHN1.9337e-57.1535e-67.3596e-64.1102e-61.5080e-65.8094e-55.2123e-51.8136e-62.6252e-753.0122
MONC IVHHE1.2048e-12.0410e-21.2604e-29.6726e-35.0239e-32.1160e-16.4317e-26.9318e-37.5968e-453.0122
MRGE IVHHZ4.4884e-53.9153e-61.3853e-65.8068e-72.4432e-73.5381e-56.4366e-63.6507e-78.3034e-854.9335
MRGE IVHHN1.0735e-49.7574e-62.2097e-69.9930e-74.3055e-71.0100e-41.0266e-56.9646e-71.7605e-754.9335
MRGE IVHHE7.6389e-55.9355e-61.9456e-69.5179e-73.8264e-75.3781e-59.1189e-65.9141e-71.0189e-754.9335
BHB GUHHZ3.4066e-54.3178e-62.4925e-61.0471e-64.3345e-71.3290e-48.3138e-66.2830e-71.0527e-755.9188
BHB GUHHN2.7010e-54.4060e-62.9121e-61.1196e-63.9793e-71.2749e-41.1862e-55.2318e-71.0589e-755.9188
BHB GUHHE2.6675e-54.1975e-62.8786e-61.6610e-66.9493e-78.1857e-58.1238e-69.3787e-71.0427e-755.9188
ORO IVEHZ4.8009e-59.9637e-67.0086e-62.7220e-61.3227e-61.6344e-44.4975e-51.8814e-62.5185e-759.155
ORO IVEHN1.0324e-41.8447e-51.4118e-57.6700e-62.7234e-62.3053e-44.4011e-53.7905e-65.0903e-759.155
ORO IVEHE9.4338e-51.3472e-51.1657e-57.1957e-63.3188e-62.3193e-46.5102e-54.4642e-65.4071e-759.155
REMY GUHHZ2.1243e-52.5020e-61.5719e-69.8268e-74.8286e-74.2128e-56.1200e-65.4302e-75.7887e-859.5344
REMY GUHHN2.8785e-53.8814e-62.4649e-61.8187e-68.7847e-76.7453e-59.1792e-69.6274e-79.8815e-859.5344
REMY GUHHE2.5895e-53.4723e-62.1457e-61.0751e-65.0374e-77.7372e-51.2835e-55.7693e-78.4895e-859.5344
COURMFRHHZ4.0812e-55.5368e-62.9381e-68.8994e-74.4813e-71.0950e-41.4868e-57.1025e-71.2616e-763.3331
COURMFRHHN4.1562e-56.5675e-64.2885e-61.4786e-66.4488e-71.2071e-42.2519e-59.5745e-71.5377e-763.3331
COURMFRHHE3.7391e-56.0747e-64.4381e-61.4535e-65.9423e-71.1677e-41.7135e-58.6827e-71.5240e-763.3331
RRL GUHHZ1.3446e-52.1387e-61.2016e-67.2854e-73.9101e-73.6936e-56.7356e-64.0851e-74.9828e-864.3225
RRL GUHHN1.2978e-52.4034e-61.8853e-68.9273e-74.6824e-76.0446e-58.3669e-65.3824e-76.3629e-864.3225
RRL GUHHE1.3385e-53.0463e-62.0824e-61.1559e-65.3811e-73.7925e-58.4357e-65.6568e-77.7416e-864.3225
BLANCGUHHZ7.2140e-61.1009e-68.6051e-73.1090e-71.1918e-72.3756e-54.4210e-61.7089e-72.5780e-867.0330
BLANCGUHHN7.3500e-61.1674e-69.7699e-76.1091e-72.5722e-72.3405e-55.8058e-63.4045e-73.2041e-867.0330
BLANCGUHHE8.8840e-61.4582e-61.1922e-66.1678e-72.4673e-73.8670e-54.6941e-62.8403e-74.6204e-867.0330
SATI GUHHZ2.5164e-53.9018e-62.6901e-61.0593e-65.2481e-74.9864e-51.4555e-56.5695e-79.8930e-873.033
SATI GUHHN5.8068e-58.0586e-62.7049e-61.3657e-66.2111e-79.5240e-51.2603e-58.7463e-71.7257e-773.033
SATI GUHHE5.0100e-56.7126e-63.0679e-61.2618e-65.5571e-71.4196e-41.6804e-58.4528e-71.2469e-773.033
DIX CHHHZ6.0263e-58.6645e-66.1157e-61.7777e-69.9499e-71.4923e-42.5457e-51.5700e-62.3857e-784.12
DIX CHHHN7.3681e-58.6332e-64.9797e-61.5924e-67.6582e-71.3084e-42.4528e-51.1007e-62.2640e-784.12
DIX CHHHE7.6252e-58.8032e-66.5692e-62.6311e-61.4330e-61.3109e-43.6657e-51.6997e-62.5762e-784.12
OGAG FRHHZ4.8980e-61.3092e-61.3356e-65.5210e-72.1848e-71.5767e-57.0333e-62.3733e-73.6279e-888.5227
OGAG FRHHN4.9516e-61.8360e-61.8907e-61.0033e-63.3942e-71.5818e-58.9523e-64.3654e-76.3423e-888.5227
OGAG FRHHE4.7398e-61.5344e-61.4697e-67.3910e-73.1697e-79.8786e-69.2425e-63.7353e-73.7605e-888.5227
MMK CHHHZ1.1612e-52.0257e-61.8461e-67.3071e-73.5515e-72.7576e-51.2867e-55.0237e-74.8703e-893.430
MMK CHHHN1.3649e-52.5248e-62.1386e-67.5517e-72.6645e-75.0280e-51.5426e-54.1011e-76.0609e-893.430
MMK CHHHE1.1185e-52.0178e-61.6783e-69.4227e-74.4397e-72.7171e-58.4127e-64.7929e-75.3441e-893.430
PZZ GUHHZ2.2169e-54.3650e-63.3352e-69.9925e-74.8795e-76.3183e-52.0540e-56.9426e-71.0990e-793.7192
PZZ GUHHN1.5928e-53.3014e-63.3491e-61.1749e-65.0072e-75.4471e-51.4626e-56.9150e-78.5501e-893.7192
PZZ GUHHE2.5237e-55.3749e-64.1989e-61.4393e-66.2517e-76.1811e-51.6899e-57.4435e-71.3370e-793.7192
VANNICHHHZ6.1139e-61.0598e-68.6922e-73.3922e-71.9846e-71.5411e-53.9561e-62.6058e-72.9937e-8100.010
VANNICHHHN7.0360e-61.2504e-61.2474e-65.7571e-72.2708e-71.9559e-58.1442e-62.5094e-74.0134e-8100.010
VANNICHHHE7.2977e-61.7831e-61.7860e-69.6052e-73.1970e-71.6361e-51.0165e-53.8459e-74.8109e-8100.010
SENINCHHHZ6.6907e-61.6252e-61.6789e-67.3567e-72.7378e-72.8784e-51.1974e-53.7069e-74.8462e-8115.4358
SENINCHHHN4.7594e-61.0605e-61.1215e-65.1956e-72.0128e-71.6131e-55.5869e-62.4212e-72.8862e-8115.4358
SENINCHHHE5.7014e-61.4183e-61.2746e-66.4857e-72.8327e-71.7240e-55.7296e-63.5684e-73.9332e-8115.4358
STV GUHHZ1.9715e-64.6671e-72.5092e-78.5054e-83.8950e-85.3022e-69.3220e-75.1773e-88.7142e-9120.7181
STV GUHHN1.6600e-63.4320e-72.2311e-78.1928e-84.0593e-85.7796e-61.0510e-65.3769e-89.1106e-9120.7181
STV GUHHE2.2737e-63.5128e-72.3755e-71.1080e-75.8663e-85.1811e-61.0474e-68.3900e-89.0815e-9120.7181
VARE IVHHZ4.4667e-61.0294e-65.9323e-71.8310e-78.7828e-81.4195e-52.4810e-61.4082e-72.3894e-8125.161
VARE IVHHN5.6494e-61.2941e-61.0037e-63.4997e-71.8866e-72.2385e-54.5833e-62.7276e-72.9604e-8125.161
VARE IVHHE4.4070e-69.5563e-77.5475e-72.5164e-71.1473e-71.4868e-54.2108e-61.6955e-72.1251e-8125.161
LAUCHCHHHZ3.4792e-66.6749e-75.5460e-72.4629e-71.0867e-72.0350e-52.3918e-61.3718e-71.6653e-8125.215
LAUCHCHHHN6.4925e-61.2090e-67.6924e-72.8649e-71.6693e-73.2201e-53.4729e-62.1479e-73.3239e-8125.215
LAUCHCHHHE8.8206e-62.0685e-61.3171e-64.4720e-72.0218e-73.5782e-55.1306e-63.1127e-74.8993e-8125.215
GBOS GUHHZ1.3837e-63.3622e-73.6364e-71.7285e-75.8080e-85.8663e-62.0915e-67.7287e-81.0328e-8126.8162
GBOS GUHHN1.5423e-64.3197e-74.2347e-72.5732e-78.3195e-85.7751e-61.7692e-61.0464e-71.3030e-8126.8162
GBOS GUHHE1.7631e-64.5814e-74.4493e-72.4478e-77.6014e-87.7798e-62.3190e-69.4580e-81.4329e-8126.8162
PCP GUHHZ8.1909e-72.2357e-71.9409e-77.7330e-83.0160e-82.5050e-69.5835e-74.4455e-86.3013e-9128.0133
PCP GUHHN7.6386e-71.5642e-71.5606e-75.3627e-82.8701e-82.7314e-67.1409e-74.2313e-84.9334e-9128.0133
PCP GUHHE9.4818e-72.4467e-72.1188e-77.3370e-83.1085e-82.4159e-61.5209e-64.4157e-85.8497e-9128.0133
ISO FRHHZ2.0179e-64.0791e-72.6202e-79.0675e-83.7913e-85.3128e-61.0235e-65.6926e-81.0198e-8129.8191
ISO FRHHN1.6053e-63.0247e-71.9840e-76.2785e-83.7526e-84.0389e-69.0476e-75.2906e-87.4759e-9129.8191
ISO FRHHE1.9058e-63.6842e-72.2044e-78.5538e-83.3047e-87.3236e-61.0096e-64.5099e-89.8863e-9129.8191
QLNO IVHHZ1.0896e-62.3674e-71.7218e-77.0468e-83.3808e-84.2440e-69.0639e-74.1243e-85.5838e-9136.2145
QLNO IVHHN1.2054e-63.4082e-72.2882e-71.1027e-74.4628e-83.3061e-61.1181e-65.1977e-86.9795e-9136.2145
QLNO IVHHE1.5855e-63.3050e-72.2593e-79.5740e-83.8165e-85.5577e-69.8125e-75.8808e-87.9640e-9136.2145
FIESACHHHZ4.9464e-61.4946e-69.9489e-78.2073e-73.4611e-72.0154e-55.1840e-63.6811e-73.8215e-8136.225
FIESACHHHN4.8066e-61.0143e-61.0473e-65.2748e-72.3743e-71.5550e-55.4923e-63.0404e-72.8936e-8136.225
FIESACHHHE5.9700e-61.6482e-61.3305e-68.0587e-75.0207e-72.2121e-56.0660e-66.1325e-75.2540e-8136.225
RORO GUHHZ1.0215e-62.1013e-71.6293e-76.3661e-82.7444e-83.0354e-66.3448e-73.6874e-85.5859e-9146.4157
RORO GUHHN1.4738e-64.2235e-72.3687e-78.0679e-83.4458e-83.7345e-61.0668e-64.9014e-86.9921e-9146.4157
RORO GUHHE1.2750e-63.5924e-72.7256e-78.4699e-83.8629e-83.5685e-61.2157e-65.4745e-88.4252e-9146.4157
MGRO GUHHZ7.8096e-71.5460e-71.3476e-76.9493e-82.5538e-82.2356e-66.4408e-73.9730e-84.7635e-9147.5166
MGRO GUHHN6.3993e-71.5659e-71.1175e-75.3415e-82.6017e-81.9610e-65.0487e-73.0793e-84.4431e-9147.5166
MGRO GUHHE7.1033e-72.1931e-71.9449e-78.6955e-83.8197e-82.2180e-68.2438e-75.4107e-86.6892e-9147.5166
*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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