MANUAL Location - Area: Alpi Graie , magnitude (ML): 1.7
2021-10-20 19:05:32 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2021-10-21 06:45:03

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Earthquake info - Manual location
Event - ID :211020190507
Magnitude (ML) :1.7 +/- 0.2
Origin Time :2021-10-20 19:05:32.872 (UTC)
Location : Latitude: 45.226 N, Longitude: 7.397 E
Area :Alpi Graie
Depth (km) :14.21
Distances (km) : 2.2 --- Viu
5.6 --- Traves
7.0 --- Germagnano
7.1 --- Pessinetto
7.4 --- Varisella
7.8 --- Mezzenile
7.8 --- Vallo Torinese
8.1 --- Lemie
8.7 --- Lanzo Torinese
8.7 --- Val della Torre
9.2 --- Monastero di Lanzo
9.7 --- Rubiana
9.8 --- Cafasse
9.9 --- Ceres
9.9 --- Fiano
10.0 --- Coassolo Torinese
10.6 --- Givoletto
10.6 --- La Cassa
10.9 --- Balangero
11.9 --- Almese

Quality location estimate: Erh: 0.8 km, Erz: 1.2 km, Nf: 66, Gap: 53 °, Rms: 0.38


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.
RSPGU2021-10-20 19:05:36.6700.01100.001.652021-10-20 19:05:38.8900.0581-0.441.0220.5
LSDGU2021-10-20 19:05:39.9500.02000.280.992021-10-20 19:05:44.1800.1073-0.151.3537.0
TRAVGU2021-10-20 19:05:40.6600.0231-0.051.562021-10-20 19:05:45.7180.1955-0.361.1144.6
CIROGU2021-10-20 19:05:41.2100.0241-0.490.972021-10-20 19:05:46.3860.1665-1.310.3947.0
BHBGU2021-10-20 19:05:40.6300.0231-0.441.022021-10-20 19:05:46.1020.3748-0.780.7747.1
MONCIV2021-10-20 19:05:42.3700.02310.091.532021-10-20 19:05:49.9000.04000.221.1947.2
OGMOFR2021-10-20 19:05:43.2400.03010.151.402021-10-20 19:05:49.8300.1735-0.341.1357.7
RRLGU2021-10-20 19:05:43.5300.0301-0.081.482021-10-20 19:05:50.2160.2166-0.930.6360.7
BNIMN2021-10-20 19:05:43.7600.0311-0.041.532021-10-20 19:05:50.6230.2416-0.810.7261.4
MRGEIV2021-10-20 19:05:45.0700.03510.051.542021-10-20 19:05:53.1240.3387-0.121.1567.8
REMYGU2021-10-20 19:05:45.8700.03710.051.522021-10-20 19:05:54.5450.3437-0.131.1372.5
RSLFR2021-10-20 19:05:47.2730.02000.201.252021-10-20 19:05:56.5400.3097-0.131.1580.7
SATIGU2021-10-20 19:05:46.3690.0713-0.920.592021-10-20 19:05:55.9500.2456-1.420.3482.8
PZZGU2021-10-20 19:05:45.6140.1667-1.280.402021-10-20 19:05:57.0810.16040.111.2084.4
OGAGFR2021-10-20 19:05:47.9500.04320.251.112021-10-20 19:05:57.2290.1303-0.980.5984.6
ROTMGU2021-10-20 19:05:48.6560.10040.400.712021-10-20 19:05:59.7140.16040.101.1887.1
SURFFR2021-10-20 19:05:48.7800.0482-0.520.942021-10-20 19:06:01.3140.29370.190.9895.8
DIXCH2021-10-20 19:05:49.2090.0200-0.071.442021-10-20 19:06:00.6700.1002-0.101.2796.4
MMKCH2021-10-20 19:05:49.8850.0522-0.121.382021-10-20 19:06:01.5960.1604-0.321.13103.2
STVGU2021-10-20 19:05:49.2300.0542-0.950.592021-10-20 19:06:01.0430.2506-1.590.26110.2
VANNICH2021-10-20 19:05:51.5560.02000.261.082021-10-20 19:06:03.5690.0400-0.630.87111.6
ENRGU2021-10-20 19:05:49.5900.0552-0.630.822021-10-20 19:06:01.0460.3607-1.710.22111.8
GBOSGU2021-10-20 19:05:51.3300.05720.111.352021-10-20 19:06:03.6300.8009-0.760.68115.8
PCPGU2021-10-20 19:05:52.3620.10040.111.312021-10-20 19:06:05.6200.2506-0.780.77119.1
SIMPLCH2021-10-20 19:05:53.3900.0633-0.041.392021-10-20 19:06:06.1940.0400-1.610.00123.6
QLNOGU2021-10-20 19:05:53.4680.02000.031.392021-10-20 19:06:07.2430.1002-1.180.48126.0
SENINCH2021-10-20 19:05:55.1650.08030.770.152021-10-20 19:06:12.4750.16042.970.00127.7
VAREIV2021-10-20 19:05:53.3180.0200-0.500.972021-10-20 19:06:07.6560.1303-1.530.00129.4
CANOGU2021-10-20 19:05:54.5600.06530.201.162021-10-20 19:06:08.6190.0400-1.360.38132.0
ROROGU2021-10-20 19:05:54.5800.06730.261.042021-10-20 19:06:09.9350.1303-0.011.13135.4
MGROGU2021-10-20 19:05:54.1700.0673-0.261.222021-10-20 19:06:09.1380.0400-1.000.60136.4
SAOFFR2021-10-20 19:05:54.2730.0200-0.221.272021-10-20 19:06:09.6760.1303-0.530.96139.1
TURFFR2021-10-20 19:05:54.0170.1004-0.930.622021-10-20 19:06:09.6960.2506-1.300.43139.8
FIESACH2021-10-20 19:05:56.8920.1004-0.021.322021-10-20 19:06:13.7320.1604-0.091.09146.3
MUGIOCH2021-10-20 19:05:56.3950.0753-0.451.022021-10-20 19:06:12.8490.2005-1.980.00150.3


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
RSP GUHH1.861.94e+020.5230
LSD GUHH1.744.59e-137.0322
TRAV GUHH1.683.21e-144.640
CIRO GUHH1.651.25e-147.018
BHB GUHH1.351.05e-147.1194
MONC IVHH1.492.32e-147.2112
RRL GUHH1.526.92e-260.7235
MRGE IVHH1.547.12e-267.8337
REMY GUHH1.455.90e-272.5345
RSL FRHH1.495.09e-280.7311
SATI GUHH1.886.85e-282.827
PZZ GUHH1.528.26e-284.4196
OGAG FRHH1.636.30e-284.6234
ROTM GUHH1.341.16e-187.1119
DIX CHHH2.001.09e-196.40
MMK CHHH1.722.59e-2103.225
VANNICHHH1.754.36e-2111.68
ENR GUHH1.463.03e-2111.8179
GBOS GUHH1.993.53e-2115.8162
PCP GUHH1.341.55e-2119.1130
QLNO GUHH1.823.73e-2126.0143
SENINCHHH1.904.30e-2127.7357
VARE IVHH2.015.44e-2129.456
CANO GUHH2.248.67e-2132.0149
RORO GUHH2.075.86e-2135.4157
MGRO GUHH1.581.73e-2136.4166
TURF FRHH1.431.16e-2139.8180
FIESACHHH1.852.67e-2146.322
MUGIOCHHH2.031.79e-2150.358


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 GUHHZ2.2755e-42.6029e-57.7478e-61.9084e-61.1494e-62.6178e-43.3012e-52.3056e-65.9056e-720.5230
RSP GUHHN3.2536e-44.6510e-51.4633e-53.6143e-62.1921e-66.6734e-44.9410e-54.2791e-69.7156e-720.5230
RSP GUHHE3.2625e-43.6689e-51.6120e-54.7304e-62.4905e-64.5874e-45.8976e-54.3487e-68.2113e-720.5230
LSD GUHHZ4.4798e-56.0690e-62.5546e-61.4668e-66.3470e-71.0079e-41.0752e-59.5153e-71.6167e-737.0322
LSD GUHHN7.7872e-59.2157e-62.9597e-66.8912e-74.1842e-71.4671e-41.1608e-58.0094e-71.9277e-737.0322
LSD GUHHE9.5092e-51.2226e-53.6446e-61.2955e-67.2114e-71.2262e-41.5066e-51.2910e-62.5120e-737.0322
TRAV GUHHZ3.1893e-53.2635e-61.3160e-64.1776e-72.1385e-76.1465e-56.9102e-63.2019e-75.8028e-844.640
TRAV GUHHN8.5339e-58.3677e-62.0396e-65.1556e-72.9079e-78.8673e-51.2143e-55.1744e-71.6096e-744.640
TRAV GUHHE4.6393e-55.1907e-62.8831e-67.4977e-73.7734e-79.8535e-51.8424e-56.4590e-71.2062e-744.640
CIRO GUHHZ2.3055e-52.3672e-61.0101e-62.3576e-71.3082e-72.5941e-54.6714e-62.1075e-74.6898e-847.018
CIRO GUHHN2.0943e-51.9712e-68.0128e-72.1244e-71.1004e-74.2435e-52.6988e-61.9092e-74.0907e-847.018
CIRO GUHHE3.3016e-53.1200e-61.0050e-62.9026e-71.4505e-75.9846e-52.7453e-62.4989e-76.7215e-847.018
BHB GUHHZ1.6390e-51.6538e-66.3887e-72.2162e-79.9718e-82.8159e-52.3594e-61.5578e-73.3832e-847.1194
BHB GUHHN1.6220e-52.1048e-61.0103e-62.9107e-71.2070e-73.8631e-54.2976e-61.8531e-74.0015e-847.1194
BHB GUHHE1.6121e-52.0670e-68.2239e-73.3157e-71.5100e-73.1106e-52.8763e-62.4721e-74.0539e-847.1194
MONC IVHHZ1.0798e-52.1286e-61.6676e-65.5184e-72.2488e-75.0728e-56.0745e-63.1080e-75.3981e-847.2112
MONC IVHHN1.2096e-52.7777e-62.0582e-66.4841e-72.7165e-73.2469e-51.1493e-54.0186e-76.7131e-847.2112
MONC IVHHE1.0987e-52.1141e-62.0024e-66.9035e-73.8566e-73.4455e-51.1629e-55.3411e-75.8954e-847.2112
RRL GUHHZ7.6293e-61.0042e-63.7968e-71.9154e-71.1327e-71.8900e-51.8221e-61.6173e-72.3085e-860.7235
RRL GUHHN7.0151e-69.3930e-76.9243e-72.7994e-71.1224e-71.8316e-53.1944e-61.5377e-72.2174e-860.7235
RRL GUHHE4.6174e-68.3121e-76.1566e-72.9224e-71.4301e-71.8977e-53.5885e-61.7502e-72.2099e-860.7235
MRGE IVHHZ3.4349e-53.3174e-64.5951e-71.3130e-77.7665e-81.5910e-52.5744e-61.9423e-75.0069e-867.8337
MRGE IVHHN3.0058e-52.4208e-65.4272e-71.9999e-71.0595e-72.8566e-51.8478e-61.6729e-74.1944e-867.8337
MRGE IVHHE2.1393e-51.9780e-65.4915e-71.7894e-79.1105e-82.0967e-52.5198e-61.2688e-74.0827e-867.8337
REMY GUHHZ6.5747e-69.0928e-73.8801e-71.4610e-76.9331e-81.0629e-51.7015e-61.0919e-72.1864e-872.5345
REMY GUHHN7.3478e-61.0078e-64.9321e-72.1466e-71.0599e-71.8317e-52.1344e-61.4014e-72.8495e-872.5345
REMY GUHHE7.1430e-61.0322e-65.6007e-72.3085e-71.0452e-71.6231e-51.8279e-61.5576e-72.4636e-872.5345
RSL FRHHZ1.7750e-63.1261e-72.5950e-78.2523e-83.4760e-83.6956e-61.2007e-65.0363e-88.5517e-980.7311
RSL FRHHN2.5209e-64.0492e-73.6626e-71.3828e-76.7133e-84.5407e-62.3783e-61.0110e-71.1553e-880.7311
RSL FRHHE2.1044e-65.4537e-74.3198e-71.8053e-77.3400e-86.1536e-64.2035e-61.0211e-71.4364e-880.7311
SATI GUHHZ7.8488e-67.6730e-72.8867e-71.1488e-75.6180e-81.0510e-51.3007e-69.2422e-81.6512e-882.827
SATI GUHHN1.2773e-51.1913e-64.2704e-71.8255e-78.9412e-82.1392e-51.7028e-61.2481e-72.6906e-882.827
SATI GUHHE1.5073e-51.8490e-65.2785e-71.5996e-77.4863e-83.1507e-52.0723e-61.4476e-73.8121e-882.827
PZZ GUHHZ6.0241e-61.3700e-67.0107e-71.7145e-79.9972e-81.6519e-53.2484e-61.6581e-73.2999e-884.4196
PZZ GUHHN6.7088e-61.0016e-66.5849e-71.7760e-78.1037e-81.5528e-52.8595e-61.3119e-72.4500e-884.4196
PZZ GUHHE6.9003e-61.0967e-68.3302e-72.3393e-71.1736e-71.8225e-53.6908e-61.8253e-72.9480e-884.4196
OGAG FRHHZ1.8549e-63.7860e-73.7078e-71.9091e-77.6478e-87.7009e-62.1966e-61.1060e-71.3589e-884.6234
OGAG FRHHN2.5539e-65.8640e-75.1683e-72.4886e-71.1023e-75.1715e-62.6169e-61.5215e-72.1367e-884.6234
OGAG FRHHE1.8107e-64.8469e-74.5105e-73.3231e-71.3327e-73.4346e-62.3083e-61.4359e-71.3205e-884.6234
ROTM GUHHZ3.3288e-64.5746e-74.1857e-72.3335e-71.1098e-76.1118e-62.7622e-61.4178e-71.3020e-887.1119
ROTM GUHHN3.3249e-67.9518e-78.5614e-75.1965e-71.9523e-71.1129e-54.4039e-62.6117e-72.5722e-887.1119
ROTM GUHHE2.4588e-68.4778e-77.1187e-75.8465e-73.4759e-77.2856e-66.3996e-65.0842e-79.3859e-887.1119
DIX CHHHZ1.1555e-51.3403e-69.4731e-73.2091e-71.2634e-72.2909e-54.6428e-62.0680e-73.5143e-896.40
DIX CHHHN1.3260e-51.4103e-68.5159e-73.1301e-71.3449e-72.6883e-53.9978e-62.1890e-73.2940e-896.40
DIX CHHHE1.4590e-51.7052e-61.0480e-63.1450e-71.4195e-72.5273e-54.9447e-61.9911e-73.8040e-896.40
MMK CHHHZ2.7083e-63.3747e-72.0332e-75.8378e-82.9439e-86.4946e-61.1919e-64.1951e-87.0108e-9103.225
MMK CHHHN3.2780e-63.7355e-72.5432e-71.0057e-73.6141e-86.2150e-61.4206e-65.3445e-88.7597e-9103.225
MMK CHHHE3.8694e-63.5567e-71.8167e-76.0818e-82.8057e-88.2513e-68.3480e-73.9331e-88.5445e-9103.225
STV GUHHZ3.0345e-62.9346e-79.1138e-82.7888e-81.6215e-84.2382e-64.0286e-72.6114e-84.7477e-9110.2183
STV GUHHN1.1382e-61.5967e-77.6113e-82.7324e-81.3000e-83.9779e-63.4892e-72.2924e-84.2345e-9110.2183
STV GUHHE1.5457e-62.0900e-79.5961e-82.8379e-81.4125e-84.3491e-63.9549e-72.1342e-84.2642e-9110.2183
VANNICHHHZ1.0767e-62.4382e-71.7392e-75.6217e-83.0976e-82.3645e-69.6964e-74.9431e-86.2746e-9111.68
VANNICHHHN1.2050e-62.7916e-72.5813e-71.0728e-75.0265e-82.8406e-61.9377e-66.3645e-87.7704e-9111.68
VANNICHHHE1.3499e-63.5838e-73.8816e-71.7932e-76.4898e-83.1750e-62.6089e-69.2171e-81.1702e-8111.68
ENR GUHHZ6.1145e-67.4994e-71.5371e-73.9624e-82.0626e-86.7113e-64.9917e-73.3390e-86.9972e-9111.8179
ENR GUHHN6.2788e-66.6062e-71.9484e-76.4049e-83.3570e-81.0206e-57.8742e-76.5993e-81.4613e-8111.8179
ENR GUHHE7.4333e-67.2480e-72.6840e-76.4306e-83.4244e-81.2953e-58.4773e-76.1058e-81.3975e-8111.8179
GBOS GUHHZ1.3777e-63.2490e-72.3363e-71.0158e-74.2844e-85.8586e-61.5018e-67.1293e-87.9902e-9115.8162
GBOS GUHHN1.5725e-62.8387e-72.3434e-71.1600e-74.7846e-84.1093e-61.3603e-66.5708e-87.6490e-9115.8162
GBOS GUHHE1.8070e-63.5091e-73.2769e-71.3305e-75.6833e-87.1459e-61.7936e-67.2873e-88.0921e-9115.8162
PCP GUHHZ1.1026e-62.0682e-71.5240e-75.3218e-83.1504e-82.4439e-69.6706e-74.2846e-84.9751e-9119.1130
PCP GUHHN8.4111e-71.7684e-71.4246e-76.8056e-83.8304e-81.9627e-68.2360e-75.4371e-85.4538e-9119.1130
PCP GUHHE1.0588e-61.8591e-71.3598e-76.0810e-83.7586e-82.3215e-61.0203e-65.7736e-85.7589e-9119.1130
SIMPLCHHHZ1.5096e-61.7960e-71.1205e-74.2030e-81.7464e-83.4877e-65.1398e-72.7232e-84.2770e-9123.623
SIMPLCHHHN1.0969e-61.4075e-79.0820e-83.8406e-81.7383e-82.2758e-64.2685e-72.1441e-83.4373e-9123.623
SIMPLCHHHE1.1815e-61.8413e-71.0857e-74.1404e-81.9768e-82.6936e-64.4348e-72.6875e-84.9600e-9123.623
QLNO GUHHZ1.1413e-62.1174e-71.5756e-71.1401e-75.2450e-83.3260e-66.8109e-75.2593e-88.1794e-9126.0143
QLNO GUHHN2.1048e-64.2573e-72.2874e-77.9181e-84.6884e-85.0155e-61.1142e-65.1802e-81.1164e-8126.0143
QLNO GUHHE2.1954e-64.2498e-73.1886e-71.3105e-75.3166e-87.3255e-61.5929e-67.2897e-81.2007e-8126.0143
SENINCHHHZ1.6847e-63.3179e-72.4181e-79.6735e-84.2311e-86.6404e-61.3903e-65.0547e-88.2505e-9127.7357
SENINCHHHN1.0184e-62.1357e-72.0415e-79.4135e-84.8403e-83.2157e-61.0738e-66.1466e-87.6486e-9127.7357
SENINCHHHE9.1778e-72.2911e-71.7283e-78.8268e-83.3375e-83.2288e-68.3056e-74.2867e-86.3466e-9127.7357
VARE IVHHZ4.6022e-67.6838e-73.6570e-77.2990e-84.6428e-81.4256e-51.5234e-67.3059e-81.6265e-8129.456
VARE IVHHN5.8599e-61.0371e-64.3797e-71.2366e-76.2970e-82.0387e-51.8647e-61.1179e-72.1818e-8129.456
VARE IVHHE3.9231e-66.3913e-74.9445e-71.7128e-77.4667e-87.6834e-62.1945e-61.0913e-71.8056e-8129.456
CANO GUHHZ2.9266e-64.2911e-74.0757e-71.6470e-77.0755e-86.8396e-62.5094e-61.1876e-71.3484e-8132.0149
CANO GUHHN2.8518e-67.0915e-77.4068e-72.7270e-71.0786e-77.3919e-66.7979e-61.6106e-72.1242e-8132.0149
CANO GUHHE2.9790e-68.2459e-77.2518e-72.8992e-71.3136e-77.8568e-65.5643e-62.0715e-72.3054e-8132.0149
RORO GUHHZ1.8296e-62.6864e-71.4197e-74.8705e-83.0543e-84.9910e-67.2479e-75.3842e-86.8703e-9135.4157
RORO GUHHN3.2414e-63.9815e-72.2968e-77.1030e-83.1369e-85.3468e-69.7858e-74.8319e-89.5231e-9135.4157
RORO GUHHE4.1845e-66.8338e-75.1034e-74.8812e-73.0119e-76.3445e-62.3812e-63.5536e-72.7048e-8135.4157
MGRO GUHHZ1.0601e-61.4235e-79.4456e-87.4430e-83.0374e-81.4863e-65.8135e-74.3091e-84.4244e-9136.4166
MGRO GUHHN7.7515e-71.8353e-71.3053e-75.2570e-82.3443e-82.5582e-66.4567e-73.5493e-84.5789e-9136.4166
MGRO GUHHE1.1199e-62.7729e-71.6581e-76.8903e-82.9041e-83.4483e-61.0333e-63.9404e-86.3167e-9136.4166
TURF FRHHZ7.2660e-71.0843e-76.0886e-82.3012e-81.5352e-82.2670e-63.1468e-72.1100e-82.6161e-9139.8180
TURF FRHHN5.4954e-79.7101e-85.6328e-82.8304e-82.3023e-81.3271e-62.4561e-73.6487e-83.1374e-9139.8180
TURF FRHHE4.3045e-76.7077e-84.7356e-82.8195e-82.3878e-81.4078e-62.5833e-72.9348e-81.9217e-9139.8180
FIESACHHHZ1.2555e-61.8105e-71.2923e-79.3733e-84.9971e-83.3577e-67.4116e-76.2910e-86.0451e-9146.322
FIESACHHHN1.1547e-61.9575e-71.6157e-77.4442e-83.8641e-82.3277e-67.3566e-75.5210e-86.7876e-9146.322
FIESACHHHE9.7754e-72.2050e-71.4301e-75.7203e-83.4104e-82.3599e-69.5752e-74.6083e-88.7484e-9146.322
MUGIOCHHHZ2.1835e-62.1760e-71.1480e-73.0077e-81.4212e-82.8471e-64.1082e-72.4236e-85.3798e-9150.358
MUGIOCHHHN2.6159e-62.6230e-71.6479e-75.3617e-82.3209e-84.2181e-65.4004e-73.9094e-86.8736e-9150.358
MUGIOCHHHE2.7760e-62.8866e-71.4250e-74.4923e-82.4622e-82.8576e-67.0182e-73.4610e-85.5214e-9150.358
*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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