MANUAL Location - Area: Frignano , magnitude (ML): 1.1
2021-04-10 16:08:05 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2021-04-12 08:15:44

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Earthquake info - Manual location
Event - ID :210410160739
Magnitude (ML) :1.1 +/- 0.2
Origin Time :2021-04-10 16:08:05.093 (UTC)
Location : Latitude: 44.310 N, Longitude: 10.325 E
Area :Frignano
Depth (km) :12.05
Distances (km) : 1.7 --- Ligonchio
5.7 --- Collagna
6.6 --- Busana
9.7 --- Sillano
12.0 --- Ramiseto
12.6 --- Giuncugnano
12.9 --- Villa Minozzo
14.1 --- Piazza al Serchio
15.3 --- Castelnovo ne Monti
15.6 --- San Romano in Garfagnana
15.7 --- Comano
16.8 --- Camporgiano
16.9 --- Casola in Lunigiana
17.6 --- Palanzano
17.7 --- Villa Collemandina
17.7 --- Fivizzano
18.0 --- Minucciano
19.1 --- Castiglione di Garfagnana
19.5 --- Vetto
19.6 --- Monchio delle Corti

Quality location estimate: Erh: 0.7 km, Erz: 0.5 km, Nf: 24, Gap: 124 °, Rms: 0.13


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.
SARMGU2021-04-10 16:08:08.8600.0090-0.021.772021-04-10 16:08:11.2500.0521-0.450.2220.2
FIVIGU2021-04-10 16:08:09.0080.0200-0.051.592021-04-10 16:08:11.8710.0400-0.031.5921.5
VLCMN2021-04-10 16:08:09.3100.01000.280.282021-04-10 16:08:12.0500.08220.111.2821.6
EQUIGU2021-04-10 16:08:09.5500.01700.011.852021-04-10 16:08:12.8060.04000.061.5624.5
GSCLGU2021-04-10 16:08:09.4800.0170-0.970.092021-04-10 16:08:12.6160.0400-1.810.0024.9
GRAMGU2021-04-10 16:08:10.8900.01600.081.522021-04-10 16:08:14.0600.2346-0.820.1931.5
CARDGU2021-04-10 16:08:11.7000.01800.101.332021-04-10 16:08:16.7200.10830.370.3236.2
BDIIV2021-04-10 16:08:11.9200.02310.021.742021-04-10 16:08:16.9300.10830.041.2337.4
POPMGU2021-04-10 16:08:13.6000.0231-0.031.542021-04-10 16:08:19.8900.1364-0.021.0647.1
MAIMGU2021-04-10 16:08:13.6400.0241-0.031.522021-04-10 16:08:19.5870.4038-0.350.5447.7
MSSAIV2021-04-10 16:08:16.7500.02000.041.432021-04-10 16:08:25.1160.0400-0.140.8865.5
PIIIV2021-04-10 16:08:16.8580.0200-0.580.232021-04-10 16:08:25.7850.0400-0.630.2568.4


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
SARM GUEH0.872.32e-120.2157
FIVI GUHN1.203.64e-121.5243
VLC MNHH1.212.64e-121.6164
GSCL GUHH0.971.63e-124.978
GRAM GUHH1.032.22e-131.5314
CARD GUHH1.101.09e-136.2158
BDI IVHH1.071.19e-137.4142
POPM GUHH1.211.70e-147.1130
MAIM GUHH0.984.26e-247.7163
MSSA IVHH1.831.40e-165.5271
PII IVHH1.042.57e-268.4166


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.
(°)
SARM GUEHZ5.4079e-55.3113e-61.2272e-64.2300e-72.1153e-73.9190e-57.6640e-63.0675e-74.6232e-820.2157
SARM GUEHN3.8089e-54.1061e-61.7784e-65.5378e-72.5267e-75.5037e-58.9963e-64.7164e-79.7972e-820.2157
SARM GUEHE2.5017e-53.3786e-61.7150e-68.4879e-73.4944e-74.3519e-51.1217e-54.8891e-77.7189e-820.2157
FIVI GUHNZ5.8377e-55.1091e-62.5294e-68.4698e-74.3398e-71.3839e-46.4509e-66.0080e-71.0514e-721.5243
FIVI GUHNN3.6360e-56.4137e-63.4826e-69.6301e-74.3102e-71.0451e-41.4119e-56.6251e-71.3653e-721.5243
FIVI GUHNE3.5168e-53.9744e-62.3880e-67.7675e-73.0911e-78.3359e-57.7482e-64.7198e-79.2863e-821.5243
VLC MNHHZ4.5690e-56.2365e-61.0079e-63.6031e-71.6605e-73.0251e-54.3915e-62.3730e-74.4117e-821.6164
VLC MNHHN4.0378e-55.0285e-61.4951e-64.6937e-72.4818e-72.5172e-57.3269e-63.5830e-76.5423e-821.6164
VLC MNHHE3.1743e-54.9963e-62.1105e-66.6082e-73.8166e-74.7304e-59.3449e-65.9492e-78.7551e-821.6164
EQUI GUHHZ1.4223e-51.6176e-64.4919e-71.5763e-77.1544e-81.4782e-51.9246e-61.2413e-72.1137e-824.5220
EQUI GUHHN4.0479e-63.7191e-71.7290e-76.6235e-83.7373e-83.8432e-61.0324e-65.8846e-87.1035e-924.5220
EQUI GUHHE1.0604e-51.0721e-63.8334e-71.2563e-75.8203e-81.1966e-52.3667e-68.8040e-81.4416e-824.5220
GSCL GUHHZ5.2969e-61.3091e-66.9634e-72.6492e-71.1540e-71.1029e-52.7129e-61.6326e-73.1532e-824.978
GSCL GUHHN6.2320e-61.4973e-61.3270e-64.6196e-72.1855e-72.2767e-57.2438e-63.2729e-74.3259e-824.978
GSCL GUHHE7.5700e-61.8768e-61.3847e-64.9412e-72.2945e-71.4520e-55.4476e-63.1545e-75.3660e-824.978
GRAM GUHHZ8.6337e-61.3463e-67.5767e-71.9277e-79.3612e-81.6261e-54.0545e-61.3892e-73.3228e-831.5314
GRAM GUHHN1.1691e-53.0194e-61.9141e-66.2585e-72.8215e-72.8006e-51.1479e-53.7951e-77.2932e-831.5314
GRAM GUHHE9.5756e-62.3352e-61.8948e-65.1337e-72.4136e-72.7981e-51.1742e-53.4456e-75.5116e-831.5314
CARD GUHHZ8.9887e-61.2309e-64.2695e-71.1291e-75.5245e-83.0800e-51.3134e-61.0765e-72.6021e-836.2158
CARD GUHHN1.7598e-52.8040e-61.0486e-62.8690e-71.4525e-74.7035e-53.7632e-62.5178e-75.0629e-836.2158
CARD GUHHE1.2089e-51.5458e-68.4339e-72.1174e-71.1666e-72.2669e-52.0123e-61.6279e-73.2833e-836.2158
BDI IVHHZ8.4596e-61.1756e-65.8699e-71.8628e-77.6373e-81.7979e-53.7396e-61.2425e-72.5227e-837.4142
BDI IVHHN1.3798e-52.3009e-61.0621e-63.5666e-71.9421e-74.2146e-51.1052e-52.7583e-74.5806e-837.4142
BDI IVHHE1.8577e-52.6635e-61.0014e-62.7148e-71.4577e-74.2370e-53.8728e-62.3263e-75.8956e-837.4142
POPM GUHHZ7.7193e-61.3237e-66.1496e-71.9704e-78.2111e-81.7250e-52.2535e-61.3240e-72.7965e-847.1130
POPM GUHHN1.1704e-52.7852e-61.5589e-64.3221e-72.1657e-74.3165e-55.4418e-63.3177e-76.1715e-847.1130
POPM GUHHE1.4149e-53.1743e-61.6077e-63.9507e-71.8452e-73.6913e-56.7003e-63.1715e-76.8135e-847.1130
MAIM GUHHZ1.7003e-63.5358e-72.8751e-71.2589e-75.0497e-85.1515e-62.1052e-66.5605e-81.0784e-847.7163
MAIM GUHHN2.4429e-64.4450e-73.5784e-71.5296e-76.4929e-86.7350e-61.9997e-69.5194e-81.2679e-847.7163
MAIM GUHHE1.3491e-62.2077e-71.7409e-79.3117e-83.8174e-83.8949e-61.0316e-65.2692e-88.1190e-947.7163
MSSA IVHHZ4.2859e-65.2629e-71.0457e-74.0867e-84.2387e-86.7159e-64.3234e-78.0855e-81.2035e-865.5271
MSSA IVHHN1.2320e-51.8295e-65.7841e-71.4452e-71.0099e-76.6278e-51.5171e-61.7391e-74.0666e-865.5271
MSSA IVHHE1.9045e-53.0475e-69.4603e-72.2995e-71.5197e-77.4043e-52.8592e-62.6652e-76.3609e-865.5271
PII IVHHZ1.3322e-62.2468e-71.6530e-74.7894e-82.4537e-83.0458e-61.0064e-64.5121e-84.7826e-968.4166
PII IVHHN1.1648e-62.1390e-71.9124e-76.4191e-82.9634e-83.4387e-69.2385e-74.8487e-86.3752e-968.4166
PII IVHHE1.4461e-62.9380e-72.4655e-76.8923e-83.3617e-85.5875e-61.1403e-66.2156e-88.5931e-968.4166
*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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