MANUAL Location - Area: Lunigiana , magnitude (ML): 1.2
2021-02-25 23:46:07 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2021-02-26 07:52:44

RSNI Logo


Earthquake info - Manual location
Event - ID :210225234542
Magnitude (ML) :1.2 +/- 0.2
Origin Time :2021-02-25 23:46:07.483 (UTC)
Location : Latitude: 44.264 N, Longitude: 10.157 E
Area :Lunigiana
Depth (km) :9.64
Distances (km) : 3.7 --- Fivizzano
3.9 --- Comano
7.1 --- Casola in Lunigiana
9.3 --- Giuncugnano
9.4 --- Licciana Nardi
11.1 --- Minucciano
12.4 --- Sillano
13.3 --- Collagna
14.2 --- Bagnone
14.3 --- Piazza al Serchio
15.9 --- Ligonchio
16.0 --- Aulla
16.7 --- Villafranca in Lunigiana
16.7 --- Monchio delle Corti
17.0 --- Tresana
17.8 --- Busana
17.9 --- Fosdinovo
18.2 --- Podenzana
18.4 --- San Romano in Garfagnana
18.4 --- Camporgiano

Quality location estimate: Erh: 0.9 km, Erz: 0.6 km, Nf: 34, Gap: 91 °, Rms: 0.18


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.
FIVIGU2021-02-25 23:46:09.5890.02000.021.832021-02-25 23:46:10.8010.0400-0.240.9310.7
EQUIGU2021-02-25 23:46:10.3800.00800.001.912021-02-25 23:46:12.4200.0441-0.031.7914.8
SARMGU2021-02-25 23:46:12.2500.0120-0.011.912021-02-25 23:46:15.7200.0712-0.071.5223.9
VLCMN2021-02-25 23:46:12.2200.12860.230.832021-02-25 23:46:15.9500.07620.640.2024.0
GRAMGU2021-02-25 23:46:12.7300.01100.021.832021-02-25 23:46:16.2140.0862-0.041.5228.3
GSCLGU2021-02-25 23:46:14.7500.0180-0.300.832021-02-25 23:46:20.0600.1123-0.590.3737.1
CARDGU2021-02-25 23:46:14.6600.02010.330.522021-02-25 23:46:19.6600.11530.310.7038.4
BDIIV2021-02-25 23:46:15.2600.0221-0.061.642021-02-25 23:46:20.8900.1002-0.161.2343.0
MAIMGU2021-02-25 23:46:16.6600.02610.500.362021-02-25 23:46:22.2600.1444-0.280.9648.3
MSSAIV2021-02-25 23:46:16.5600.0251-0.360.692021-02-25 23:46:23.3200.1574-0.650.3552.3
POPMGU2021-02-25 23:46:17.3460.02000.031.562021-02-25 23:46:24.9430.04000.380.5954.7
PIIIV2021-02-25 23:46:19.7200.03610.041.442021-02-25 23:46:27.6000.2036-1.090.1367.8
BOBIV2021-02-25 23:46:21.5680.0200-0.251.042021-02-25 23:46:32.1200.3838-0.660.4980.0
RNCAGU2021-02-25 23:46:24.3800.04920.021.322021-02-25 23:46:35.6260.5219-0.610.5399.0
PCPGU2021-02-25 23:46:29.0750.0200-0.231.062021-02-25 23:46:44.5710.04000.250.82132.0
CANOGU2021-02-25 23:46:31.7900.0763-0.041.172021-02-25 23:46:49.1320.0400-0.090.90153.3
MORSIFR2021-02-25 23:46:32.8830.02000.280.832021-02-25 23:46:49.6820.0400-1.070.20159.4


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
FIVI GUHN1.462.33e+010.7220
EQUI GUHH0.792.82e-114.8182
SARM GUEH1.385.43e-123.9115
VLC MNHH1.212.20e-124.0123
GRAM GUHH1.426.67e-128.3344
GSCL GUHH1.392.04e-137.174
CARD GUHH1.391.90e-138.4135
BDI IVHH0.946.77e-243.0122
MAIM GUHH0.853.07e-248.3145
POPM GUHH1.161.13e-154.7117
PII IVHH1.304.81e-267.8154
BOB IVHH1.363.52e-280.0315
PCP GUHH1.381.33e-2132.0284
MORSIFRHH1.053.37e-3159.4204


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.
(°)
FIVI GUHNZ5.5547e-45.3895e-51.7504e-54.3358e-62.6601e-61.0834e-34.6790e-55.1177e-61.1499e-610.7220
FIVI GUHNN3.4431e-44.5037e-51.7650e-54.6062e-62.4049e-66.3333e-46.2770e-54.0308e-69.3198e-710.7220
FIVI GUHNE4.6138e-45.6237e-51.8759e-56.9578e-63.9738e-61.2392e-39.0258e-57.3904e-61.3040e-610.7220
EQUI GUHHZ4.5484e-54.3864e-61.7291e-66.3659e-73.5165e-74.9085e-57.2434e-65.3576e-79.5755e-814.8182
EQUI GUHHN3.7478e-53.6665e-61.0277e-64.8068e-73.1690e-73.5033e-55.4725e-65.1747e-76.9651e-814.8182
EQUI GUHHE8.8905e-58.7184e-61.7838e-66.6940e-73.9963e-77.2825e-57.3788e-67.4815e-71.5680e-714.8182
SARM GUEHZ1.3818e-53.1538e-62.5425e-69.1250e-74.4015e-73.7110e-52.2881e-56.0849e-78.2021e-823.9115
SARM GUEHN1.9059e-54.4246e-62.9651e-61.6688e-66.0128e-74.9846e-51.2121e-58.2168e-71.2050e-723.9115
SARM GUEHE2.2963e-56.3577e-64.2254e-61.5154e-67.6455e-74.1468e-52.8089e-51.1009e-61.7343e-723.9115
VLC MNHHZ9.5782e-61.6261e-68.1105e-72.6541e-71.2573e-71.8207e-52.8467e-62.0194e-73.6684e-824.0123
VLC MNHHN1.6365e-53.8480e-61.6196e-65.3101e-73.1477e-75.3714e-57.4356e-65.0317e-78.1050e-824.0123
VLC MNHHE1.1423e-51.0708e-66.4066e-72.5084e-71.2205e-71.8540e-52.7926e-61.6543e-72.5609e-824.0123
GRAM GUHHZ9.1687e-57.8923e-61.9857e-65.0624e-72.1693e-77.0139e-59.9182e-64.5405e-71.2802e-728.3344
GRAM GUHHN4.8538e-59.4763e-66.6225e-62.1402e-69.7359e-71.1968e-42.5705e-51.5290e-62.6478e-728.3344
GRAM GUHHE4.5578e-57.7403e-65.3291e-61.6339e-68.0018e-71.2565e-42.8059e-51.3329e-62.2564e-728.3344
GSCL GUHHZ3.7210e-68.4137e-75.0190e-72.2765e-79.0825e-87.6187e-62.7264e-61.3272e-71.6124e-837.174
GSCL GUHHN4.7842e-61.3713e-61.3334e-64.9914e-72.2840e-71.1571e-58.1350e-63.2092e-74.1260e-837.174
GSCL GUHHE5.9869e-62.3028e-61.7570e-67.5039e-73.1643e-71.1738e-51.1346e-54.0925e-75.4105e-837.174
CARD GUHHZ1.4359e-51.4922e-64.9304e-71.5865e-79.5691e-83.2215e-52.1406e-61.4955e-73.0782e-838.4135
CARD GUHHN3.6059e-53.7994e-61.2826e-63.3628e-71.9092e-77.5998e-53.6878e-63.5529e-76.9980e-838.4135
CARD GUHHE2.6309e-53.9570e-61.4903e-63.4145e-72.2111e-71.0688e-44.2857e-63.8961e-78.4322e-838.4135
BDI IVHHZ6.3775e-69.2846e-73.7768e-71.0128e-74.9962e-81.2839e-52.0356e-66.9748e-81.9116e-843.0122
BDI IVHHN1.0083e-51.5469e-66.1848e-72.0885e-71.1692e-72.4039e-53.4139e-61.7915e-73.4368e-843.0122
BDI IVHHE6.9216e-61.1199e-65.5433e-71.9453e-78.5913e-82.5844e-52.2651e-61.2065e-72.4192e-843.0122
MAIM GUHHZ3.1778e-65.2946e-73.3938e-71.2823e-75.7876e-87.5630e-62.2022e-68.4508e-81.3362e-848.3145
MAIM GUHHN4.7547e-65.4848e-73.3396e-71.2000e-74.7304e-81.0324e-51.2457e-66.0967e-81.1837e-848.3145
MAIM GUHHE2.5688e-63.3863e-72.0347e-77.2990e-82.7635e-86.6655e-69.7160e-73.8601e-87.0017e-948.3145
MSSA IVHHZ3.6155e-53.9732e-66.0730e-72.2284e-71.4444e-73.4828e-52.0968e-63.0716e-78.0955e-852.3277
MSSA IVHHN7.5100e-51.0590e-53.2351e-67.0437e-74.4558e-74.4232e-47.9705e-69.0249e-72.2565e-752.3277
MSSA IVHHE7.7716e-51.2770e-54.5822e-69.6624e-76.1594e-74.9536e-41.1704e-51.1530e-62.7225e-752.3277
POPM GUHHZ1.1318e-51.3749e-65.3060e-71.2834e-77.2368e-81.8276e-52.0699e-61.1549e-72.7837e-854.7117
POPM GUHHN1.5137e-51.8466e-61.0535e-62.3935e-71.2957e-73.7290e-53.6440e-62.3738e-74.4202e-854.7117
POPM GUHHE1.5629e-52.0293e-69.6923e-72.1613e-71.0358e-72.5951e-55.3309e-61.6461e-73.7637e-854.7117
PII IVHHZ2.0068e-63.3888e-72.9036e-77.9865e-83.6473e-86.2082e-61.3775e-65.6983e-88.8996e-967.8154
PII IVHHN2.7580e-66.5210e-74.0619e-71.0038e-75.5300e-86.7555e-61.9999e-68.3602e-81.5391e-867.8154
PII IVHHE2.9146e-65.0979e-74.4059e-71.1720e-74.7113e-89.4018e-62.8756e-66.6094e-81.1875e-867.8154
BOB IVHHZ9.7368e-72.1666e-71.3046e-77.2541e-82.7763e-83.1084e-66.9283e-73.7418e-85.2179e-980.0315
BOB IVHHN1.6965e-62.9227e-72.0968e-71.5159e-71.0112e-74.0049e-61.0202e-61.6646e-77.4883e-980.0315
BOB IVHHE3.5720e-64.5857e-73.2651e-71.3370e-75.6921e-83.4980e-62.0602e-67.1489e-81.2356e-880.0315
RNCA GUHHZ4.9825e-65.2730e-72.9626e-79.5889e-84.1371e-88.4315e-61.1609e-65.5953e-81.1724e-899.0284
RNCA GUHHN3.8550e-65.6910e-74.6250e-71.8430e-79.3158e-81.4592e-52.2869e-61.3085e-71.8651e-899.0284
RNCA GUHHE4.3127e-67.0577e-74.3578e-71.4307e-76.0347e-81.4271e-51.6492e-68.7498e-81.6753e-899.0284
PCP GUHHZ4.8370e-71.0330e-77.0982e-82.6657e-81.2887e-81.5967e-64.0156e-71.5799e-82.3643e-9132.0284
PCP GUHHN6.6321e-71.2784e-79.8295e-85.6317e-82.2664e-82.1062e-64.4358e-73.1481e-84.1033e-9132.0284
PCP GUHHE6.0924e-71.3785e-79.1965e-84.5942e-82.1130e-82.0724e-63.6425e-72.7200e-84.0096e-9132.0284
CANO GUHHZ2.5737e-63.2689e-71.4414e-73.2313e-81.9255e-86.3269e-65.5989e-73.3922e-87.9537e-9153.3268
CANO GUHHN1.3678e-61.8683e-71.4526e-75.9278e-82.1385e-84.5127e-67.2603e-72.7583e-85.6787e-9153.3268
CANO GUHHE7.1703e-71.5091e-71.3907e-75.7329e-82.7481e-82.3814e-61.0231e-63.5565e-83.8853e-9153.3268
MORSIFRHHZ1.4663e-72.3686e-81.9116e-88.6151e-95.3444e-93.5464e-71.1974e-78.8184e-96.2141e-10159.4204
MORSIFRHHN1.3625e-72.8489e-82.0942e-89.5512e-95.6097e-94.5221e-71.0431e-78.9176e-96.9735e-10159.4204
MORSIFRHHE1.8502e-73.1246e-82.8327e-81.6902e-87.5608e-95.7207e-71.7902e-78.7358e-99.4288e-10159.4204
*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)

rsni