MANUAL Location - Area: Frignano , magnitude (ML): 0.3
2025-11-13 08:10:55 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-11-13 08:27:01

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Earthquake info - Manual location
Event - ID :251113080943
Magnitude (ML) :0.3 +/- 0.2
Origin Time :2025-11-13 08:10:55.32 (UTC)
Location : Latitude: 44.235 N, Longitude: 10.552 E
Area :Frignano
Depth (km) :11.02
Distances (km) : 6.2 --- Pievepelago
7.0 --- Frassinoro
8.1 --- Riolunato
9.8 --- Fiumalbo
12.4 --- Palagano
13.4 --- Montecreto
13.4 --- Abetone
14.6 --- Montefiorino
14.7 --- Castiglione di Garfagnana
14.9 --- Villa Collemandina
15.0 --- Fosciandora
15.9 --- Toano
15.9 --- Pieve Fosciana
16.0 --- Villa Minozzo
16.5 --- Lama Mocogno
17.5 --- Sestola
17.8 --- San Romano in Garfagnana
17.8 --- Castelnuovo di Garfagnana
18.4 --- Polinago
18.7 --- Barga

Quality location estimate: Erh: 1 km, Erz: 1.4 km, Nf: 16, Gap: 130 °, 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.
GSCLGU2025-11-13 08:10:57.7600.0050-1.430.002025-11-13 08:10:59.5800.0360-2.490.0017.6
SARMGU2025-11-13 08:10:58.4800.0090-0.210.842025-11-13 08:11:00.7600.0491-0.460.1118.0
VLCMN2025-11-13 08:10:58.8800.0100-0.051.792025-11-13 08:11:01.7100.05710.071.4619.5
BDIIV2025-11-13 08:10:59.4650.0200-0.161.132025-11-13 08:11:02.7800.0701-0.081.6322.9
CARDGU2025-11-13 08:11:00.2320.02000.031.812025-11-13 08:11:03.9600.14840.101.1826.5
POPMGU2025-11-13 08:11:00.7600.0341-0.001.892025-11-13 08:11:05.0900.08820.210.6329.1
EQUIGU2025-11-13 08:11:01.6500.01800.021.832025-11-13 08:11:05.5400.2386-0.710.2134.6
MAIMGU2025-11-13 08:11:01.0960.0803-1.060.052025-11-13 08:11:07.1120.0400-0.131.4337.9


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth
GSCL GUHH0.701.69e-117.613
SARM GUEH0.246.67e-218.0245
VLC MNHH0.324.11e-219.5237
BDI IVHH0.436.94e-222.9169
CARD GUHH0.707.90e-226.5193
POPM GUHH0.244.62e-229.1142
EQUI GUHH0.019.77e-334.6256
MAIM GUHH0.129.30e-337.9188


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.
(°)
GSCL GUHHZ1.6191e-52.2041e-65.2424e-71.6824e-79.5674e-81.4763e-52.3695e-61.4638e-72.7310e-817.613
GSCL GUHHN1.1682e-52.1466e-61.1650e-65.0763e-72.6979e-73.5573e-56.5717e-64.2452e-76.6237e-817.613
GSCL GUHHE1.1315e-52.2586e-61.2924e-63.9846e-72.2270e-72.2382e-55.4918e-63.3795e-75.9710e-817.613
SARM GUEHZ4.9219e-68.0866e-73.9978e-71.4776e-78.2442e-88.9209e-61.7221e-61.2597e-72.2669e-818.0245
SARM GUEHN7.5067e-61.0971e-64.6392e-71.9992e-71.0661e-71.2016e-51.6411e-61.4866e-72.4348e-818.0245
SARM GUEHE8.9106e-69.1885e-74.0009e-71.5675e-77.4261e-81.4273e-52.4630e-61.1375e-72.3523e-818.0245
VLC MNHHZ7.7841e-68.0140e-72.4561e-78.9578e-83.8930e-88.2791e-69.3666e-76.3024e-81.3041e-819.5237
VLC MNHHN8.6971e-69.5869e-72.5757e-78.8968e-84.7970e-81.4323e-51.2326e-68.2441e-81.8395e-819.5237
VLC MNHHE5.6262e-68.6747e-72.5123e-76.5692e-84.2837e-87.3085e-61.3733e-67.2780e-81.6578e-819.5237
BDI IVHHZ4.2666e-64.5995e-71.7274e-75.6825e-83.4625e-89.1680e-66.1211e-75.8423e-89.9616e-922.9169
BDI IVHHN5.4823e-69.8684e-75.8378e-71.8327e-78.0135e-82.1365e-53.4205e-61.3070e-72.2833e-822.9169
BDI IVHHE7.4268e-61.0929e-63.7735e-71.0449e-75.0472e-82.3160e-52.1060e-68.3122e-82.2741e-822.9169
CARD GUHHZ4.4287e-65.5101e-71.9788e-75.1144e-82.5497e-88.3612e-61.1529e-64.2088e-81.0513e-826.5193
CARD GUHHN6.7940e-61.0052e-64.7951e-71.1547e-76.0343e-81.5296e-51.4180e-69.4341e-82.2299e-826.5193
CARD GUHHE8.9984e-61.3888e-66.9665e-71.5037e-77.9140e-82.2739e-51.9261e-61.4352e-73.2352e-826.5193
POPM GUHHZ4.0689e-64.4696e-72.1099e-76.0981e-82.9762e-88.7649e-68.0548e-75.0201e-89.6570e-929.1142
POPM GUHHN4.2263e-69.1451e-74.0049e-79.6446e-86.0029e-81.2615e-51.1464e-69.1567e-82.0607e-829.1142
POPM GUHHE3.3364e-67.4045e-73.8385e-71.0545e-75.4454e-86.6375e-61.5258e-68.4637e-81.8435e-829.1142
EQUI GUHHZ7.6217e-71.1481e-75.2030e-83.8171e-82.6912e-81.5057e-62.2918e-72.7171e-82.9522e-934.6256
EQUI GUHHN1.0225e-61.4572e-75.8647e-84.6744e-84.2953e-82.4380e-62.6277e-74.1466e-83.9955e-934.6256
EQUI GUHHE9.1071e-71.3184e-76.7468e-84.5807e-82.7387e-82.0899e-62.3454e-72.7615e-83.3341e-934.6256
MAIM GUHHZ6.8430e-77.1257e-85.7361e-83.5709e-81.4016e-81.2404e-63.6472e-71.8162e-82.4372e-937.9188
MAIM GUHHN9.2067e-71.1825e-79.3657e-84.0712e-81.8190e-82.3657e-66.0087e-71.9987e-82.8948e-937.9188
MAIM GUHHE1.0935e-61.3320e-77.4034e-85.0180e-82.3625e-83.1378e-63.9287e-72.3709e-82.7843e-937.9188
*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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