MANUAL Location - Area: Garfagnana , magnitude (ML): 0.6
2025-10-22 06:22:58 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-10-22 06:28:55

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Earthquake info - Manual location
Event - ID :251022062151
Magnitude (ML) :0.6 +/- 0.2
Origin Time :2025-10-22 06:22:58.915 (UTC)
Location : Latitude: 44.229 N, Longitude: 10.376 E
Area :Garfagnana
Depth (km) :11.35
Distances (km) : 5.8 --- Sillano
6.8 --- San Romano in Garfagnana
7.8 --- Piazza al Serchio
7.8 --- Villa Collemandina
8.4 --- Camporgiano
9.2 --- Castiglione di Garfagnana
10.2 --- Ligonchio
10.4 --- Giuncugnano
10.9 --- Pieve Fosciana
12.6 --- Careggine
13.4 --- Castelnuovo di Garfagnana
14.2 --- Fosciandora
14.6 --- Vagli Sotto
14.8 --- Minucciano
15.5 --- Collagna
16.2 --- Busana
16.2 --- Casola in Lunigiana
16.9 --- Villa Minozzo
17.5 --- Frassinoro
17.6 --- Molazzana

Quality location estimate: Erh: 0.6 km, Erz: 1.2 km, Nf: 22, Gap: 116 °, Rms: 0.12


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.
SARMGU2025-10-22 06:23:01.3600.0060-0.200.612025-10-22 06:23:02.8700.0300-0.650.0413.5
VLCMN2025-10-22 06:23:01.7300.00700.170.922025-10-22 06:23:03.5440.10020.021.4014.2
EQUIGU2025-10-22 06:23:02.9020.0200-0.170.802025-10-22 06:23:06.0700.0712-0.021.4122.4
FIVIGU2025-10-22 06:23:03.1340.0200-0.021.482025-10-22 06:23:06.3110.04000.101.3123.0
ERBMIV2025-10-22 06:23:03.3000.0140-0.790.042025-10-22 06:23:06.4940.0571-1.620.0024.7
CARDGU2025-10-22 06:23:03.8870.02000.111.312025-10-22 06:23:07.7300.10830.360.3026.8
BDIIV2025-10-22 06:23:04.1600.06630.021.482025-10-22 06:23:07.9040.1123-0.101.0928.3
CMEIT2025-10-22 06:23:04.8660.0200-0.071.322025-10-22 06:23:09.5040.04000.121.1833.2
MAIMGU2025-10-22 06:23:05.7370.0200-0.091.222025-10-22 06:23:11.0300.11930.061.1638.1
POPMGU2025-10-22 06:23:06.0380.02000.061.472025-10-22 06:23:11.3190.11130.051.1838.5
GRAMGU2025-10-22 06:23:06.1300.02410.001.492025-10-22 06:23:11.4310.16040.210.8040.1


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
SARM GUEH0.905.06e-113.5158
VLC MNHH0.469.95e-214.2174
EQUI GUHH0.203.44e-222.4249
ERBM IVEH0.719.14e-224.78
CARD GUHH0.871.15e-126.8159
BDI IVHH0.424.55e-228.3136
CME ITHN0.959.09e-233.2191
MAIM GUHH0.462.00e-238.1165
POPM GUHH0.444.34e-238.5124
GRAM GUHH0.554.57e-240.1320


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 GUEHZ3.3772e-57.3759e-63.3755e-61.0508e-64.9873e-76.2945e-51.5055e-56.9358e-71.4984e-713.5158
SARM GUEHN3.3929e-56.0256e-64.0826e-61.5670e-68.9856e-77.7960e-51.9369e-51.3408e-62.0095e-713.5158
SARM GUEHE3.4691e-55.3728e-62.7183e-61.0367e-64.8219e-78.9589e-59.8129e-67.3197e-71.2621e-713.5158
VLC MNHHZ8.7550e-61.3067e-65.3300e-72.5509e-71.0605e-71.7856e-53.0002e-61.6059e-72.8841e-814.2174
VLC MNHHN1.3616e-51.5055e-66.8283e-74.8002e-72.6925e-72.4530e-52.4337e-63.4424e-74.7173e-814.2174
VLC MNHHE1.1821e-51.6967e-66.5237e-72.0696e-71.1609e-72.8884e-52.7544e-61.8898e-73.4756e-814.2174
EQUI GUHHZ4.2257e-65.1588e-72.8526e-71.1114e-75.7993e-89.4438e-61.2897e-67.3696e-81.1545e-822.4249
EQUI GUHHN4.9895e-66.2518e-72.5753e-71.3797e-77.0537e-86.9030e-61.5428e-67.6733e-81.1694e-822.4249
EQUI GUHHE5.5945e-66.4559e-72.3198e-71.0962e-76.2584e-81.0309e-58.7779e-77.8339e-81.2774e-822.4249
FIVI GUHNZ2.8877e-55.2681e-62.7053e-66.7031e-73.3197e-76.2546e-57.0454e-65.8407e-71.2358e-723.0273
FIVI GUHNN2.0902e-54.3272e-62.3968e-65.6844e-73.3555e-74.9891e-56.4564e-65.2355e-71.0230e-723.0273
FIVI GUHNE2.1967e-54.6999e-62.2711e-65.9019e-73.2333e-75.8511e-57.8214e-65.2244e-71.0028e-723.0273
ERBM IVEHZ1.1237e-51.4605e-64.6005e-72.1712e-79.3998e-82.4394e-51.1186e-61.1554e-72.1418e-824.78
ERBM IVEHN8.6874e-61.6909e-67.7806e-72.0716e-71.1809e-74.4990e-52.8287e-62.1088e-74.0924e-824.78
ERBM IVEHE1.5409e-52.2763e-66.7418e-71.6510e-71.1349e-75.9330e-52.3891e-62.2364e-74.6308e-824.78
CARD GUHHZ9.9375e-61.1017e-63.7248e-71.1610e-75.6261e-82.3303e-51.7181e-61.0669e-72.2562e-826.8159
CARD GUHHN1.1832e-51.5578e-65.8095e-71.5597e-77.1712e-82.3607e-51.7440e-61.0876e-72.8136e-826.8159
CARD GUHHE1.2203e-51.9729e-69.4862e-71.8681e-71.2301e-74.1354e-53.1030e-62.2785e-74.5729e-826.8159
BDI IVHHZ4.8125e-65.8090e-72.1416e-78.8400e-83.8936e-81.6114e-58.7736e-76.6091e-81.2468e-828.3136
BDI IVHHN6.0562e-68.4390e-74.4393e-71.6542e-77.8519e-82.6249e-51.4853e-61.0295e-71.6315e-828.3136
BDI IVHHE5.9095e-68.2637e-73.7590e-71.2085e-76.9189e-81.3122e-51.7300e-61.0666e-71.5502e-828.3136
CME ITHNZ2.6972e-64.7083e-74.1781e-72.7222e-71.6631e-76.3398e-62.6578e-61.8177e-71.6743e-833.2191
CME ITHNN4.5870e-61.0767e-67.2735e-73.4742e-72.2127e-71.0888e-53.0002e-63.1461e-73.3384e-833.2191
CME ITHNE4.9871e-65.9425e-74.1966e-73.2062e-72.1893e-76.8305e-61.8841e-62.1864e-71.9106e-833.2191
MAIM GUHHZ1.0684e-61.9037e-71.1638e-74.1870e-81.8304e-84.2041e-65.3830e-72.6671e-84.0103e-938.1165
MAIM GUHHN1.7758e-62.2272e-71.6574e-77.8686e-83.3689e-83.0810e-61.1536e-63.5980e-85.2981e-938.1165
MAIM GUHHE1.2572e-61.8465e-71.6939e-78.2929e-83.4283e-83.7018e-67.7425e-74.6686e-85.8893e-938.1165
POPM GUHHZ4.5754e-66.5618e-72.2111e-75.6845e-82.8248e-89.7282e-61.1333e-65.3038e-81.3610e-838.5124
POPM GUHHN3.3379e-66.2907e-74.2667e-71.1277e-75.2193e-88.1666e-61.6809e-67.8682e-81.5062e-838.5124
POPM GUHHE6.5375e-68.7649e-73.4832e-79.3171e-84.7235e-89.7526e-61.4226e-68.2735e-81.8910e-838.5124
GRAM GUHHZ3.0539e-63.5892e-71.9811e-75.7810e-83.3894e-83.1192e-66.2726e-75.0337e-88.5593e-940.1320
GRAM GUHHN3.4379e-65.7028e-74.2915e-71.4743e-76.7309e-88.6124e-62.0874e-69.7522e-81.4640e-840.1320
GRAM GUHHE2.5525e-65.4488e-74.7561e-71.4707e-75.7461e-87.6398e-64.0914e-67.7064e-81.2967e-840.1320
*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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