MANUAL Location - Area: Alpi Cozie , magnitude (ML): 2.0
2021-10-20 06:25:51 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2021-10-20 06:55:55

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Earthquake info - Manual location
Event - ID :211020062442
Magnitude (ML) :2.0 +/- 0.2
Origin Time :2021-10-20 06:25:51.659 (UTC)
Location : Latitude: 44.816 N, Longitude: 6.613 E
Area :Alpi Cozie
Depth (km) :4.04
Distances (km) : 17.5 --- Claviere
20.8 --- Cesana Torinese
23.9 --- Sauze di Cesana
26.2 --- Sestriere
29.8 --- Oulx
30.0 --- Bardonecchia
30.5 --- Sauze d Oulx
33.8 --- Pragelato
35.2 --- Prali
35.7 --- Salbertrand
37.2 --- Salza di Pinerolo
38.3 --- Massello
39.2 --- Pontechianale
39.8 --- Bobbio Pellice
40.0 --- Exilles
41.2 --- Bellino
41.7 --- Usseaux
41.8 --- Perrero
42.4 --- Fenestrelle
42.8 --- Villar Pellice

Quality location estimate: Erh: 1.1 km, Erz: 1.3 km, Nf: 47, Gap: 127 °, Rms: 0.29


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.
OGAGFR2021-10-20 06:25:53.3300.0040-0.301.332021-10-20 06:25:54.1520.0681-0.850.418.5
RRLGU2021-10-20 06:25:56.0400.01000.061.292021-10-20 06:25:58.9000.0581-0.071.4019.2
BNIMN2021-10-20 06:25:57.2900.0190-0.021.412021-10-20 06:26:00.9500.2286-0.251.2427.0
SURFFR2021-10-20 06:25:59.3100.0251-0.351.242021-10-20 06:26:05.4000.1273-0.061.3340.7
OGMOFR2021-10-20 06:26:00.3460.0200-0.011.392021-10-20 06:26:05.9730.0400-0.391.1344.1
BHBGU2021-10-20 06:26:01.3600.0261-0.201.372021-10-20 06:26:07.6800.2346-0.760.6051.5
PZZGU2021-10-20 06:26:01.3900.0271-0.251.362021-10-20 06:26:08.3300.1604-0.500.9552.8
RSPGU2021-10-20 06:26:03.6500.03210.111.142021-10-20 06:26:11.1700.2186-0.610.8063.4
ISOFR2021-10-20 06:26:06.1900.03910.151.032021-10-20 06:26:15.5340.2416-0.550.8778.5
LSDGU2021-10-20 06:26:06.5700.0422-0.181.382021-10-20 06:26:16.8300.2496-0.351.0582.6
STVGU2021-10-20 06:26:06.5700.0432-0.201.372021-10-20 06:26:17.3100.2577-0.201.1085.1
ENRGU2021-10-20 06:26:07.8300.04620.091.162021-10-20 06:26:19.2000.27670.021.0191.4
MONCIV2021-10-20 06:26:11.7520.05920.111.092021-10-20 06:26:27.1410.04000.700.28107.3
TURFFR2021-10-20 06:26:12.3900.05620.570.302021-10-20 06:26:25.5100.3988-0.620.73112.2
CIROGU2021-10-20 06:26:12.1200.0582-0.510.932021-10-20 06:26:26.0450.0400-0.960.41115.1
GBOSGU2021-10-20 06:26:11.8000.05820.071.162021-10-20 06:26:25.7500.4559-0.060.86116.4
TRAVGU2021-10-20 06:26:12.4500.09340.370.612021-10-20 06:26:25.5720.0400-0.760.62117.9
SAOFFR2021-10-20 06:26:13.0060.02000.141.042021-10-20 06:26:28.0600.04000.210.86118.7
ESCAFR2021-10-20 06:26:13.8840.0200-0.371.142021-10-20 06:26:29.6930.0400-0.470.93125.2
MGROGU2021-10-20 06:26:13.6900.0643-0.451.022021-10-20 06:26:29.8410.0400-0.341.03128.2
IMIGU2021-10-20 06:26:16.2900.09140.071.112021-10-20 06:26:33.3260.0400-0.530.86143.2
CANOGU2021-10-20 06:26:16.1870.0733-0.391.092021-10-20 06:26:34.1300.0400-0.420.94145.5
QLNOGU2021-10-20 06:26:16.9500.07430.131.032021-10-20 06:26:34.6070.0400-0.271.00147.8
PCPGU2021-10-20 06:26:18.2700.07830.380.622021-10-20 06:26:38.1130.04001.620.00155.8


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
OGAG FRHH2.141.66e+18.5241
RRL GUHH1.761.12e+019.250
BHB GUHH1.611.59e-151.587
PZZ GUHH1.804.35e-152.8131
RSP GUHH1.591.16e-163.454
ISO FRHH1.831.18e-178.5154
LSD GUHH1.891.22e-182.630
STV GUHH1.958.85e-285.1138
ENR GUHH1.749.44e-291.4135
MONC IVHH2.262.28e-1107.374
TURF FRHH2.048.34e-2112.2146
CIRO GUHH2.084.56e-2115.140
GBOS GUHH2.155.04e-2116.4123
TRAV GUHH2.017.99e-2117.949
ESCA FRHH2.511.85e-1125.2151
MGRO GUHH2.076.35e-2128.2132
CANO GUHH2.317.92e-2145.5117
QLNO GUHH2.003.73e-2147.8111
PCP GUHH1.902.79e-2155.8101


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.
(°)
OGAG FRHHZ3.2606e-41.0532e-49.7716e-55.3446e-52.4663e-58.2887e-45.5104e-43.4373e-53.2161e-68.5241
OGAG FRHHN3.8018e-41.4695e-41.0224e-46.3378e-52.7376e-59.1608e-44.8186e-43.5508e-53.5467e-68.5241
OGAG FRHHE3.1441e-41.1618e-41.1140e-47.9221e-54.6004e-57.0533e-48.9607e-45.9473e-55.5862e-68.5241
RRL GUHHZ2.3202e-54.1201e-63.2987e-61.6050e-67.1459e-76.3233e-51.6579e-59.1889e-71.0308e-719.250
RRL GUHHN4.5403e-51.1595e-59.5469e-63.5515e-61.7692e-61.6587e-44.6943e-52.0492e-63.0220e-719.250
RRL GUHHE9.6964e-51.7615e-59.0290e-63.9640e-61.8193e-63.1372e-44.2978e-52.7411e-64.6724e-719.250
BHB GUHHZ1.1757e-51.7981e-61.3895e-64.3975e-72.0204e-73.8309e-57.4005e-62.5967e-74.4414e-851.587
BHB GUHHN1.0463e-51.7694e-61.5948e-67.5251e-72.6401e-76.1752e-56.5340e-63.3802e-74.4677e-851.587
BHB GUHHE8.8240e-61.5940e-61.2640e-67.3310e-72.7776e-73.4599e-56.1820e-63.8775e-74.7503e-851.587
PZZ GUHHZ1.3975e-53.8431e-63.2128e-61.2414e-66.3000e-73.0190e-52.0209e-57.1350e-71.0708e-752.8131
PZZ GUHHN1.9401e-55.2991e-64.7016e-61.9832e-61.1079e-64.1892e-51.8225e-51.1514e-61.3993e-752.8131
PZZ GUHHE1.6568e-54.9147e-64.2007e-61.3423e-66.9253e-74.6945e-52.1292e-59.3990e-71.2020e-752.8131
RSP GUHHZ4.9304e-61.0239e-67.5403e-73.4648e-71.3543e-71.6395e-54.9165e-62.0378e-73.1654e-863.454
RSP GUHHN6.6193e-61.4924e-61.1186e-64.1050e-71.7733e-72.0145e-55.0946e-62.4992e-73.1050e-863.454
RSP GUHHE6.9395e-61.3703e-61.1942e-64.0062e-71.8354e-72.7699e-57.5370e-62.3282e-73.5963e-863.454
ISO FRHHZ2.7101e-66.3802e-76.2252e-72.9853e-71.1360e-77.1351e-63.3920e-61.5520e-71.8679e-878.5154
ISO FRHHN2.3919e-67.7658e-76.6524e-72.9293e-71.2223e-75.8596e-64.1970e-61.7905e-72.3376e-878.5154
ISO FRHHE4.2759e-69.7948e-78.9602e-74.3557e-72.0385e-71.0697e-55.1240e-62.8268e-73.8469e-878.5154
LSD GUHHZ2.7302e-67.2400e-76.7854e-73.2679e-71.2962e-76.3686e-63.8747e-61.6245e-72.0639e-882.630
LSD GUHHN3.3744e-61.0439e-69.6572e-73.4753e-71.2421e-71.1712e-55.6770e-61.7289e-72.7458e-882.630
LSD GUHHE4.1042e-61.1899e-61.2000e-64.9524e-71.7813e-71.1952e-58.7681e-62.3769e-73.6600e-882.630
STV GUHHZ2.8444e-68.7879e-77.9990e-73.1122e-71.3534e-78.6487e-65.0703e-61.7631e-72.2948e-885.1138
STV GUHHN2.8965e-67.5167e-77.4814e-72.6512e-71.2419e-71.0077e-55.9128e-61.8256e-72.4115e-885.1138
STV GUHHE3.0456e-69.1016e-77.9319e-72.9344e-71.2539e-79.6548e-65.7124e-61.8871e-72.4897e-885.1138
ENR GUHHZ2.4231e-65.0286e-74.7985e-71.9790e-79.7525e-85.5280e-62.4464e-61.2250e-71.4975e-891.4135
ENR GUHHN3.5710e-68.9402e-78.7217e-73.6650e-71.7526e-78.2224e-67.0440e-62.4405e-73.1853e-891.4135
ENR GUHHE4.5453e-69.9163e-78.8359e-73.0986e-71.5098e-71.2504e-55.6272e-62.1151e-72.3630e-891.4135
MONC IVHHZ3.8912e-61.4224e-61.3563e-66.6750e-72.4726e-71.0787e-57.4643e-63.4102e-73.8399e-8107.374
MONC IVHHN4.2497e-61.3996e-61.5292e-61.0262e-63.4852e-79.9319e-68.8893e-63.6486e-74.0924e-8107.374
MONC IVHHE3.7348e-61.6973e-61.7212e-61.1447e-64.2065e-71.1071e-51.3825e-54.9828e-75.6448e-8107.374
TURF FRHHZ2.0200e-64.5702e-74.8473e-72.4375e-78.5199e-89.5726e-62.2165e-61.1027e-71.2032e-8112.2146
TURF FRHHN1.6449e-65.1330e-75.2322e-72.0278e-79.8099e-83.7954e-62.6155e-61.3141e-71.2691e-8112.2146
TURF FRHHE1.8327e-65.3318e-76.2095e-73.7200e-71.0247e-74.2296e-63.7561e-61.3088e-71.8944e-8112.2146
CIRO GUHHZ1.1271e-63.9879e-73.8742e-72.0228e-77.2603e-83.5505e-62.4142e-69.0634e-81.1776e-8115.140
CIRO GUHHN1.1563e-63.4614e-74.1218e-72.1062e-77.5096e-83.3499e-62.7324e-61.1742e-71.1627e-8115.140
CIRO GUHHE1.1016e-63.5042e-73.4957e-71.9454e-76.0504e-82.8834e-62.1336e-67.2272e-89.7714e-9115.140
GBOS GUHHZ1.2051e-64.1773e-74.6125e-72.9181e-79.7672e-83.4741e-61.9723e-61.0912e-71.4713e-8116.4123
GBOS GUHHN1.3154e-64.3702e-73.9880e-72.1445e-71.1627e-73.1955e-62.6889e-61.2538e-71.2399e-8116.4123
GBOS GUHHE1.7875e-64.9425e-74.7517e-72.8319e-71.2492e-73.7416e-62.7905e-61.5809e-71.5923e-8116.4123
TRAV GUHHZ1.1656e-63.6767e-73.9613e-72.1103e-77.3353e-83.0189e-62.4232e-69.4592e-81.1032e-8117.949
TRAV GUHHN1.7127e-66.2809e-75.5823e-72.9025e-71.0970e-74.7884e-64.1241e-61.5740e-72.0727e-8117.949
TRAV GUHHE2.3076e-66.7466e-76.0937e-72.1349e-71.0478e-75.0155e-64.2423e-61.5439e-72.1934e-8117.949
ESCA FRHHZ1.8654e-65.4530e-75.0358e-72.4243e-79.5143e-84.3482e-62.7939e-61.1330e-71.5498e-8125.2151
ESCA FRHHN2.2569e-67.2426e-76.9283e-73.1936e-71.3159e-77.7232e-62.9705e-61.5480e-72.2928e-8125.2151
ESCA FRHHE3.3383e-61.1999e-68.8241e-74.3404e-72.9770e-77.4018e-68.3309e-64.0548e-74.1374e-8125.2151
MGRO GUHHZ1.3210e-63.5896e-74.2017e-72.8667e-71.2316e-73.7106e-63.4713e-61.2869e-71.3497e-8128.2132
MGRO GUHHN1.1349e-64.4320e-74.4780e-73.0796e-71.2704e-73.3937e-62.9803e-61.4604e-71.5610e-8128.2132
MGRO GUHHE1.3733e-64.3283e-74.6083e-72.1491e-78.0810e-83.2533e-62.8082e-61.0516e-71.4860e-8128.2132
IMI GUHHZ2.3475e-66.2877e-75.3317e-72.2426e-78.9962e-86.2166e-62.1748e-61.1534e-71.7054e-8143.2134
IMI GUHHN2.6888e-65.5299e-74.6326e-71.8720e-78.0699e-85.7831e-63.0930e-61.1202e-71.3742e-8143.2134
IMI GUHHE2.2453e-65.3535e-74.4398e-72.2134e-77.1426e-84.6760e-61.4747e-69.4357e-81.5429e-8143.2134
CANO GUHHZ1.5780e-64.1108e-73.9210e-71.8390e-78.1028e-84.7827e-61.4031e-61.1350e-71.1588e-8145.5117
CANO GUHHN1.6897e-65.6953e-75.7399e-72.9933e-71.0545e-72.9580e-63.3034e-61.5894e-71.9672e-8145.5117
CANO GUHHE1.1209e-64.2474e-74.1450e-72.7025e-71.0636e-72.9015e-62.6077e-61.2674e-71.3558e-8145.5117
QLNO GUHHZ2.6399e-66.7979e-73.4031e-71.0551e-75.2075e-85.0074e-61.5999e-67.5001e-81.4943e-8147.8111
QLNO GUHHN1.3644e-63.2731e-73.2952e-71.2749e-75.9013e-83.2560e-62.3108e-67.2160e-81.0482e-8147.8111
QLNO GUHHE1.7608e-64.8147e-72.4708e-71.0395e-74.6357e-82.7849e-61.0905e-65.9916e-89.9934e-9147.8111
PCP GUHHZ9.1016e-72.4764e-72.5901e-71.4918e-76.0889e-81.9498e-61.1945e-66.6779e-88.2632e-9155.8101
PCP GUHHN3.8047e-71.2946e-71.3069e-79.5364e-84.2119e-81.0387e-66.1783e-75.3287e-85.2057e-9155.8101
PCP GUHHE5.3692e-71.8297e-71.8103e-71.2449e-74.6237e-81.3928e-68.0496e-74.9820e-86.7350e-9155.8101
*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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