MANUAL Location - Area: Garfagnana , magnitude (ML): 0.3
2025-12-05 01:50:05 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-12-05 07:27:55

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Earthquake info - Manual location
Event - ID :251205014939
Magnitude (ML) :0.3 +/- 0.2
Origin Time :2025-12-05 01:50:05.515 (UTC)
Location : Latitude: 44.128 N, Longitude: 10.421 E
Area :Garfagnana
Depth (km) :4.55
Distances (km) : 1.0 --- Pieve Fosciana
2.1 --- Castelnuovo di Garfagnana
2.6 --- Castiglione di Garfagnana
3.4 --- Fosciandora
4.0 --- Villa Collemandina
6.0 --- Molazzana
7.4 --- Gallicano
7.6 --- San Romano in Garfagnana
7.6 --- Camporgiano
7.8 --- Careggine
7.9 --- Barga
8.9 --- Vergemoli
11.0 --- Coreglia Antelminelli
11.0 --- Vagli Sotto
11.6 --- Piazza al Serchio
14.3 --- Sillano
14.5 --- Fabbriche di Vallico
16.7 --- Giuncugnano
17.5 --- Stazzema
17.6 --- Minucciano

Quality location estimate: Erh: 0.6 km, Erz: 0.6 km, Nf: 26, Gap: 53 °, Rms: 0.21


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 01:50:07.2900.00800.240.542025-12-05 01:50:08.1840.04000.012.066.8
SARMGU2025-12-05 01:50:07.4080.0130-0.012.152025-12-05 01:50:08.4730.0400-0.350.638.5
CARDGU2025-12-05 01:50:08.5400.01200.370.612025-12-05 01:50:10.1380.38880.031.0413.3
CMEIT2025-12-05 01:50:07.9690.0200-1.820.032025-12-05 01:50:12.9530.04000.011.9022.1
EQUIGU2025-12-05 01:50:09.7110.0200-0.111.452025-12-05 01:50:12.6900.1243-0.270.9622.3
MAIMGU2025-12-05 01:50:09.8380.0200-0.500.562025-12-05 01:50:13.8320.0400-0.081.6725.0
FIVIGU2025-12-05 01:50:10.6960.02000.012.102025-12-05 01:50:14.7430.04000.310.7426.9
GSCLGU2025-12-05 01:50:11.4530.0200-0.091.692025-12-05 01:50:15.4030.0962-0.510.5928.6
POPMGU2025-12-05 01:50:11.0800.01800.051.782025-12-05 01:50:15.1700.10630.021.5728.8
PIIIV2025-12-05 01:50:13.8650.0200-0.400.732025-12-05 01:50:19.5400.5979-1.270.2046.1
PLMAIV2025-12-05 01:50:13.9870.02000.031.812025-12-05 01:50:19.5380.1554-0.680.3446.3
GRAMGU2025-12-05 01:50:14.8820.02000.390.642025-12-05 01:50:21.7780.04000.950.0349.6
ZCCAIV2025-12-05 01:50:16.3850.02000.580.202025-12-05 01:50:26.0930.10022.780.0051.0


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
VLC MNHH0.021.32e-16.8321
CME ITHN0.557.81e-222.1206
MAIM GUHH0.041.70e-225.0167
FIVI GUHN0.728.06e-226.9298
GSCL GUHH0.585.19e-228.628
POPM GUHH0.264.98e-228.8109
PII IVHH0.106.85e-346.1170
PLMA IVHH0.321.08e-246.3259
GRAM GUHH0.522.80e-249.6325
ZCCA IVHH0.318.93e-351.061


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 MNHHZ1.3828e-51.7964e-65.9016e-71.8963e-78.6231e-81.8416e-52.4949e-61.4220e-73.0253e-86.8321
VLC MNHHN1.3547e-51.8783e-69.5539e-73.1816e-71.7547e-73.6140e-54.2223e-62.8282e-74.8110e-86.8321
VLC MNHHE2.0102e-52.5508e-68.4500e-72.9561e-71.3671e-73.7888e-53.9443e-62.4803e-75.4193e-86.8321
SARM GUEHZ8.9669e-61.1310e-64.9772e-71.7476e-78.0569e-81.3963e-53.3667e-61.1532e-71.8409e-88.5346
SARM GUEHN6.6738e-68.6827e-76.7579e-73.2504e-71.2548e-71.6372e-53.1510e-61.7413e-72.1175e-88.5346
SARM GUEHE7.3149e-68.6842e-75.7038e-73.8201e-71.6703e-71.6659e-52.8761e-62.1581e-72.3710e-88.5346
CARD GUHHZ3.5969e-63.5042e-71.7288e-78.0143e-83.2390e-88.0024e-68.4640e-75.2760e-88.9813e-913.3157
CARD GUHHN5.9655e-68.1935e-73.3915e-71.4215e-75.5241e-87.8930e-61.2795e-68.1107e-81.5205e-813.3157
CARD GUHHE5.6630e-66.7476e-74.0912e-71.3646e-75.7505e-88.0453e-61.3755e-68.2998e-81.4338e-813.3157
CME ITHNZ3.0507e-65.4041e-73.6250e-72.7039e-71.2797e-75.8323e-61.2757e-61.7199e-71.6966e-822.1206
CME ITHNN3.5982e-66.7749e-75.1607e-73.1149e-71.4788e-78.3834e-62.3488e-61.8091e-72.1446e-822.1206
CME ITHNE3.6955e-67.1056e-75.7576e-75.0458e-74.0572e-71.1084e-52.4532e-68.0626e-74.2279e-822.1206
EQUI GUHHZ3.2382e-63.3316e-71.1056e-75.4053e-82.6613e-84.7103e-65.0779e-73.0908e-86.0566e-922.3281
EQUI GUHHN3.0602e-63.6032e-71.3016e-77.2133e-84.0956e-84.9746e-65.3291e-74.7548e-88.0666e-922.3281
EQUI GUHHE2.3356e-62.6884e-71.0504e-75.4483e-82.3486e-84.0769e-63.6646e-72.6692e-86.0375e-922.3281
MAIM GUHHZ4.5448e-71.0965e-76.8669e-84.1830e-81.8494e-81.2873e-64.0100e-72.1410e-82.3361e-925.0167
MAIM GUHHN1.0547e-62.1620e-71.3403e-74.9963e-82.0681e-81.8203e-69.1919e-73.0145e-84.9273e-925.0167
MAIM GUHHE6.9389e-71.3232e-71.0961e-74.6508e-82.2778e-81.5804e-61.0477e-63.4659e-83.9557e-925.0167
FIVI GUHNZ3.9455e-67.0302e-74.1441e-72.3354e-71.3675e-77.3633e-61.6863e-61.7916e-71.7582e-826.9298
FIVI GUHNN3.4816e-67.8491e-74.8854e-74.0568e-73.5847e-77.6841e-62.1903e-65.3147e-74.0372e-826.9298
FIVI GUHNE3.9795e-66.1025e-73.3381e-73.3048e-73.2869e-76.5811e-61.7116e-65.1720e-73.2531e-826.9298
GSCL GUHHZ8.5029e-71.7135e-71.1180e-73.2290e-81.9229e-82.7243e-64.1790e-72.5676e-84.8012e-928.628
GSCL GUHHN2.7139e-65.7687e-73.9264e-71.3139e-76.5872e-85.5778e-62.0066e-69.3561e-81.5603e-828.628
GSCL GUHHE1.4003e-63.3598e-72.3123e-76.9247e-83.0613e-83.7612e-61.0024e-64.0600e-87.2390e-928.628
POPM GUHHZ5.1200e-65.8335e-71.9517e-75.0783e-82.4482e-88.0601e-61.0580e-64.1594e-88.4716e-928.8109
POPM GUHHN3.5122e-67.1208e-74.6441e-71.0557e-75.5597e-81.1364e-51.7208e-68.0639e-81.6246e-828.8109
POPM GUHHE3.6232e-65.3133e-73.6956e-71.0781e-74.6658e-81.3460e-51.7128e-67.0306e-81.1550e-828.8109
PII IVHHZ2.9788e-76.5076e-85.0528e-81.4305e-87.6790e-96.2317e-73.6525e-71.2036e-81.8549e-946.1170
PII IVHHN2.8607e-75.4091e-84.2235e-81.4227e-86.3654e-98.9754e-72.3873e-79.7643e-91.2716e-946.1170
PII IVHHE4.7878e-78.9310e-86.2423e-82.1766e-81.6023e-81.3752e-63.4058e-72.1518e-82.5578e-946.1170
PLMA IVHHZ5.3312e-78.4728e-85.1868e-83.4718e-82.9055e-89.3102e-71.8533e-73.3082e-82.7700e-946.3259
PLMA IVHHN7.5364e-71.3795e-78.7770e-84.2296e-82.6462e-83.6857e-63.4149e-73.2585e-83.3524e-946.3259
PLMA IVHHE8.1214e-71.1805e-76.8692e-83.3234e-82.1495e-81.1932e-62.0011e-72.5916e-83.1481e-946.3259
GRAM GUHHZ5.0895e-71.0803e-76.3156e-82.4631e-81.5247e-81.2057e-62.8466e-71.8236e-82.6425e-949.6325
GRAM GUHHN1.0089e-62.1921e-71.6055e-75.1225e-82.7035e-81.5684e-61.1396e-63.6888e-85.1316e-949.6325
GRAM GUHHE7.9389e-72.1700e-72.2684e-71.1644e-76.1021e-81.2186e-61.8290e-67.9629e-81.0604e-849.6325
ZCCA IVHHZ1.6380e-72.9532e-82.2251e-81.4786e-89.2663e-94.2412e-71.3366e-71.1805e-81.8777e-951.061
ZCCA IVHHN1.6207e-76.4368e-83.5019e-83.1512e-83.1931e-82.6701e-72.9102e-75.2980e-81.3591e-851.061
ZCCA IVHHE1.9647e-73.9061e-83.2264e-82.3271e-81.3183e-83.4294e-71.6826e-71.6003e-81.4864e-951.061
*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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