MANUAL Location - Area: Svizzera , magnitude (ML): 0.5
2021-10-21 13:49:49 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2021-10-22 07:06:40

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Earthquake info - Manual location
Event - ID :211021134939
Magnitude (ML) :0.5 +/- 0.2
Origin Time :2021-10-21 13:49:49.316 (UTC)
Location : Latitude: 46.337 N, Longitude: 7.360 E
Area :Svizzera
Depth (km) :6.10
Distances (km) : 51.5 --- Bionaz
53.8 --- Oyace
54.1 --- Ollomont
54.9 --- Valtournenche
56.8 --- Valpelline
57.5 --- Doues
57.9 --- Saint-Oyen
58.2 --- Etroubles
58.7 --- Chamois
58.8 --- Saint-Rhemy-En-Bosses
59.1 --- Allein
61.3 --- Roisan
61.4 --- Torgnon
61.6 --- Antey-Saint-Andre
61.7 --- La Magdeleine
61.7 --- Gignod
62.2 --- Macugnaga
63.4 --- Ayas
65.1 --- Verrayes
65.4 --- Saint-Christophe

Quality location estimate: Erh: 1.4 km, Erz: 1.5 km, Nf: 14, Gap: 133 °, Rms: 0.25


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.
SENINCH2021-10-21 13:49:51.5550.00600.002.242021-10-21 13:49:52.4470.0400-0.620.229.8
VANNICH2021-10-21 13:49:53.0320.0200-1.280.172021-10-21 13:49:57.7300.04000.021.9324.2
DIXCH2021-10-21 13:49:55.1890.0200-0.022.182021-10-21 13:49:58.4180.0400-0.830.2729.9
LAUCHCH2021-10-21 13:49:56.4080.02110.300.162021-10-21 13:50:00.7490.1685-0.071.3133.8
EMBDCH2021-10-21 13:49:56.8910.02000.041.932021-10-21 13:50:01.8720.6959-0.190.7039.3
MMKCH2021-10-21 13:50:00.4080.02000.680.042021-10-21 13:50:06.7240.0400-0.220.9256.9
FIESACH2021-10-21 13:50:00.7370.0200-0.081.622021-10-21 13:50:07.7520.0400-1.070.3259.1


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
SENINCHHH0.714.82e-19.8302
VANNICHHH0.323.93e-224.2128
DIX CHHH0.848.69e-229.9173
LAUCHCHHH0.553.49e-233.874
EMBD CHHH0.261.35e-239.3110
MMK CHHH0.414.87e-356.9124
FIESACHHH0.611.31e-259.179


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.
(°)
SENINCHHHZ6.1590e-57.7968e-63.4058e-61.3972e-66.2745e-72.1267e-41.3011e-57.7568e-71.6643e-79.8302
SENINCHHHN5.6715e-58.8908e-63.8710e-61.1391e-66.4142e-71.3559e-41.8817e-51.0815e-62.1636e-79.8302
SENINCHHHE6.9694e-58.2454e-63.5967e-61.4934e-67.6661e-71.6412e-41.4529e-51.2270e-61.8867e-79.8302
VANNICHHHZ8.2004e-72.3083e-72.3289e-71.4107e-74.8837e-82.2994e-61.9653e-66.2462e-86.8226e-924.2128
VANNICHHHN9.6716e-73.2396e-72.8909e-72.2235e-78.6706e-81.9360e-62.1784e-61.0429e-71.2587e-824.2128
VANNICHHHE9.3541e-72.3303e-72.1184e-71.0467e-73.8731e-81.6807e-61.5790e-65.9164e-87.2403e-924.2128
DIX CHHHZ5.0795e-68.7099e-73.9651e-71.7198e-79.0144e-88.9652e-62.2439e-61.2965e-72.0437e-829.9173
DIX CHHHN4.1034e-67.6101e-74.4093e-71.8292e-79.6013e-81.1707e-52.4558e-61.3119e-72.1706e-829.9173
DIX CHHHE4.8437e-61.0702e-67.2594e-73.4655e-71.5819e-71.7051e-55.4949e-62.0754e-73.0479e-829.9173
LAUCHCHHHZ3.4986e-64.6247e-71.7688e-76.8610e-83.0053e-88.7258e-69.4851e-74.1868e-87.8982e-933.874
LAUCHCHHHN3.7496e-65.9830e-72.1283e-76.1138e-83.8393e-81.1104e-56.2842e-76.7434e-81.3426e-833.874
LAUCHCHHHE3.9739e-65.9879e-73.6559e-79.5465e-84.3559e-89.0043e-61.1780e-67.5116e-81.3612e-833.874
EMBD CHHHZ5.8702e-78.1291e-86.9878e-83.4235e-81.3145e-81.4992e-63.7585e-71.9312e-82.4457e-939.3110
EMBD CHHHN6.9882e-71.3902e-79.9328e-86.0035e-82.3596e-81.7217e-64.4776e-73.2996e-84.0712e-939.3110
EMBD CHHHE5.9123e-78.8277e-86.5110e-83.2652e-81.4089e-81.0849e-63.4058e-72.0634e-82.3610e-939.3110
MMK CHHHZ6.6037e-78.5238e-84.1831e-81.6836e-87.7454e-92.1565e-62.2484e-71.1913e-82.3746e-956.9124
MMK CHHHN5.1637e-77.5625e-84.6486e-81.9723e-81.0744e-81.4455e-61.6897e-71.2277e-82.0338e-956.9124
MMK CHHHE5.9051e-75.5857e-83.4620e-81.3913e-86.3976e-91.0138e-61.4394e-78.9425e-91.3591e-956.9124
FIESACHHHZ8.1551e-71.2612e-71.1306e-76.6544e-83.8555e-82.9773e-64.5897e-74.8414e-85.1016e-959.179
FIESACHHHN1.0260e-61.7449e-71.1355e-76.7760e-84.9893e-83.2102e-65.0475e-76.6460e-86.5087e-959.179
FIESACHHHE1.1354e-61.6290e-71.0585e-76.6630e-84.8807e-82.7295e-65.8265e-77.7657e-88.6217e-959.179
*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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