MANUAL Location - Area: Garfagnana , magnitude (ML): 0.6
2025-12-05 00:41:21 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-12-05 07:24:07

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Earthquake info - Manual location
Event - ID :251205004055
Magnitude (ML) :0.6 +/- 0.2
Origin Time :2025-12-05 00:41:21.676 (UTC)
Location : Latitude: 44.123 N, Longitude: 10.420 E
Area :Garfagnana
Depth (km) :3.73
Distances (km) : 1.4 --- Pieve Fosciana
1.5 --- Castelnuovo di Garfagnana
3.1 --- Castiglione di Garfagnana
3.3 --- Fosciandora
4.5 --- Villa Collemandina
5.4 --- Molazzana
6.9 --- Gallicano
7.6 --- Barga
7.6 --- Careggine
7.8 --- Camporgiano
7.9 --- San Romano in Garfagnana
8.3 --- Vergemoli
10.7 --- Coreglia Antelminelli
10.9 --- Vagli Sotto
11.9 --- Piazza al Serchio
13.9 --- Fabbriche di Vallico
14.6 --- Sillano
16.9 --- Giuncugnano
17.0 --- Stazzema
17.3 --- Pescaglia

Quality location estimate: Erh: 0.6 km, Erz: 0.7 km, Nf: 28, Gap: 53 °, 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.
VLCMN2025-12-05 00:41:23.4600.11950.280.872025-12-05 00:41:24.4360.17250.141.246.5
SARMGU2025-12-05 00:41:23.6000.00500.012.042025-12-05 00:41:24.7640.0290-0.250.718.5
CARDGU2025-12-05 00:41:24.6300.00800.430.692025-12-05 00:41:26.5000.04310.450.6512.6
CMEIT2025-12-05 00:41:25.6130.0200-0.230.762025-12-05 00:41:28.9180.04000.021.7821.4
EQUIGU2025-12-05 00:41:25.9200.0110-0.051.762025-12-05 00:41:28.9700.0671-0.121.2822.2
MAIMGU2025-12-05 00:41:26.3860.0200-0.012.002025-12-05 00:41:30.0390.07720.151.1724.3
FIVIGU2025-12-05 00:41:26.9030.02000.021.952025-12-05 00:41:30.9320.04000.290.7727.0
POPMGU2025-12-05 00:41:27.1600.0150-0.001.982025-12-05 00:41:31.2290.0882-0.021.5328.6
GSCLGU2025-12-05 00:41:27.5300.0140-0.260.702025-12-05 00:41:31.7500.0842-0.460.3329.0
PIIIV2025-12-05 00:41:29.8200.0200-0.560.192025-12-05 00:41:35.6800.1414-1.210.0245.5
PLMAIV2025-12-05 00:41:30.1290.0200-0.021.752025-12-05 00:41:35.7360.1404-0.680.1946.0
GRAMGU2025-12-05 00:41:30.8380.02000.071.552025-12-05 00:41:37.7830.04000.640.2249.9
ZCCAIV2025-12-05 00:41:32.4400.02000.400.702025-12-05 00:41:42.4780.04002.910.0051.3
MSSAIV2025-12-05 00:41:35.3080.02000.171.172025-12-05 00:41:46.7520.04001.520.0075.2


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
VLC MNHH0.342.99e-16.5327
SARM GUEH0.333.14e-18.5348
CARD GUHH0.501.93e-112.6155
CME ITHN0.821.54e-121.4207
EQUI GUHH0.375.12e-222.2283
MAIM GUHH0.414.22e-224.3166
FIVI GUHN0.687.36e-227.0299
POPM GUHH0.902.19e-128.6108
GSCL GUHH0.961.22e-129.028
PII IVHH0.531.89e-245.5169
PLMA IVHH0.732.84e-246.0260
GRAM GUHH1.101.05e-149.9326
ZCCA IVHH0.511.41e-251.360
MSSA IVHH0.689.30e-375.2287


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.
(°)
VLC MNHHZ3.8563e-54.1099e-61.4878e-66.8012e-73.0618e-74.3317e-56.6867e-64.4614e-77.0149e-86.5327
VLC MNHHN4.1357e-54.8733e-62.5041e-61.0081e-65.8596e-75.3562e-51.7494e-58.6933e-71.0994e-76.5327
VLC MNHHE4.6829e-54.9246e-62.1939e-68.9185e-74.1959e-77.0825e-51.2316e-56.1490e-71.1671e-76.5327
SARM GUEHZ1.9940e-52.5563e-61.4142e-65.9504e-72.6402e-72.5360e-51.0447e-53.4420e-74.8682e-88.5348
SARM GUEHN1.5965e-52.5794e-62.0564e-61.4727e-65.6761e-75.0519e-51.0121e-56.7860e-77.6796e-88.5348
SARM GUEHE1.7377e-52.5905e-61.7463e-61.3494e-66.2143e-73.5270e-58.0623e-68.2386e-78.2506e-88.5348
CARD GUHHZ1.2455e-51.5334e-65.4959e-72.7031e-71.1602e-73.0735e-52.1722e-61.7238e-73.3697e-812.6155
CARD GUHHN2.0945e-53.6131e-61.5240e-65.5598e-72.3059e-74.4869e-55.3550e-63.3792e-77.6579e-812.6155
CARD GUHHE2.0218e-52.8888e-61.4749e-64.3596e-71.8738e-74.5730e-54.9819e-63.1157e-76.4171e-812.6155
CME ITHNZ5.8850e-61.2490e-68.1578e-74.5013e-71.7953e-71.2335e-54.1037e-62.3715e-73.4439e-821.4207
CME ITHNN8.2894e-61.6333e-61.3394e-68.5694e-75.6938e-71.8635e-55.8375e-68.8688e-76.3635e-821.4207
CME ITHNE7.4339e-61.5149e-61.1285e-66.0335e-72.6066e-71.5297e-55.2345e-63.7842e-75.1467e-821.4207
EQUI GUHHZ3.5338e-64.1574e-72.7853e-71.7425e-77.6554e-89.3943e-61.2874e-69.2741e-81.1811e-822.2283
EQUI GUHHN5.1181e-66.8637e-74.4414e-72.4134e-71.0907e-79.4580e-62.3766e-61.3307e-72.0403e-822.2283
EQUI GUHHE4.5795e-66.3375e-73.3240e-71.9266e-77.3208e-87.2658e-61.1758e-61.0316e-71.4113e-822.2283
MAIM GUHHZ2.1642e-63.0529e-72.0134e-78.9160e-83.9204e-83.5340e-61.0892e-65.6097e-87.7262e-924.3166
MAIM GUHHN3.9666e-65.9939e-73.9428e-71.1878e-74.9264e-85.9478e-62.3474e-66.9548e-81.4457e-824.3166
MAIM GUHHE2.8909e-65.2275e-72.8840e-71.1906e-75.5693e-86.8134e-62.0632e-66.8351e-81.2509e-824.3166
FIVI GUHNZ7.7195e-69.4269e-77.0308e-73.4947e-71.5137e-71.3525e-52.4931e-62.0855e-72.9534e-827.0299
FIVI GUHNN5.5034e-61.0999e-66.4812e-72.9586e-71.4760e-71.1719e-52.0040e-61.9086e-72.5266e-827.0299
FIVI GUHNE5.2386e-61.0250e-66.0980e-73.1606e-71.2011e-71.8377e-52.9340e-61.6596e-72.6103e-827.0299
POPM GUHHZ1.3559e-51.5414e-67.2958e-72.3456e-71.0967e-72.3310e-53.3923e-61.7908e-73.8259e-828.6108
POPM GUHHN1.4970e-53.4587e-61.9822e-64.6698e-72.6129e-73.0194e-56.8432e-64.0382e-77.3753e-828.6108
POPM GUHHE1.5542e-52.7665e-61.4441e-64.1865e-72.0641e-74.0812e-55.6345e-63.5076e-76.7032e-828.6108
GSCL GUHHZ1.9924e-64.3315e-72.6720e-71.0821e-75.0111e-87.9251e-61.1655e-66.7616e-81.1118e-829.028
GSCL GUHHN4.9174e-61.3873e-69.3125e-73.3934e-71.8050e-71.8505e-55.5569e-62.5664e-73.4396e-829.028
GSCL GUHHE3.4341e-61.0052e-67.1342e-72.1204e-71.0435e-71.1122e-54.0661e-61.4656e-72.1767e-829.028
PII IVHHZ8.0303e-71.4444e-71.3671e-73.9488e-81.7943e-82.0299e-67.1422e-72.6883e-84.3259e-945.5169
PII IVHHN1.1268e-61.9968e-71.2473e-73.1671e-81.7177e-82.1698e-65.7556e-72.7556e-84.6117e-945.5169
PII IVHHE1.1561e-62.2193e-71.7225e-75.5827e-82.9080e-82.2904e-61.1637e-64.2133e-87.1274e-945.5169
PLMA IVHHZ1.2424e-62.3843e-71.6716e-77.4817e-83.8614e-82.4163e-65.5765e-74.6997e-85.6195e-946.0260
PLMA IVHHN1.7070e-63.4955e-72.2738e-77.7786e-83.8987e-84.2120e-61.1544e-64.9021e-87.9897e-946.0260
PLMA IVHHE1.5273e-63.0664e-72.2370e-79.9514e-84.6368e-84.1020e-67.8108e-75.9313e-81.0612e-846.0260
GRAM GUHHZ1.3388e-62.1940e-71.8328e-77.8491e-83.6555e-83.0953e-61.2148e-64.7557e-85.4861e-949.9326
GRAM GUHHN1.6674e-64.4700e-75.1726e-72.1851e-71.0223e-73.5923e-65.1554e-61.2948e-71.5779e-849.9326
GRAM GUHHE1.9792e-68.4982e-78.6306e-73.9153e-71.4899e-75.1948e-69.9698e-61.9153e-72.4730e-849.9326
ZCCA IVHHZ3.1222e-76.5713e-86.8968e-83.8769e-81.4466e-88.2192e-74.4932e-72.0646e-83.0271e-951.360
ZCCA IVHHN4.2015e-71.2635e-71.2000e-76.2936e-83.2989e-87.9720e-79.2728e-73.4745e-83.8947e-951.360
ZCCA IVHHE4.8240e-71.0902e-71.0144e-76.2700e-82.1880e-88.2827e-75.1103e-72.6108e-84.7342e-951.360
MSSA IVHHZ3.1549e-75.5690e-84.2120e-82.5198e-81.9059e-81.0895e-61.8939e-73.1108e-81.9490e-975.2287
MSSA IVHHN5.1673e-71.1168e-78.4856e-84.7405e-81.8761e-81.0035e-63.5618e-72.8585e-83.4310e-975.2287
MSSA IVHHE4.3655e-77.7387e-87.3519e-83.4907e-82.2804e-88.8958e-74.2748e-74.1736e-82.7295e-975.2287
*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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