MANUAL Location - Area: Garfagnana , magnitude (ML): 0.5
2025-12-06 09:44:50 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-12-09 07:53:57

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Earthquake info - Manual location
Event - ID :251206094355
Magnitude (ML) :0.5 +/- 0.2
Origin Time :2025-12-06 09:44:50.446 (UTC)
Location : Latitude: 44.111 N, Longitude: 10.607 E
Area :Garfagnana
Depth (km) :11.12
Distances (km) : 6.1 --- Abetone
8.4 --- Coreglia Antelminelli
8.4 --- Fiumalbo
10.5 --- Barga
10.6 --- Pievepelago
11.2 --- Bagni di Lucca
11.7 --- Fosciandora
12.1 --- Cutigliano
13.9 --- Riolunato
14.8 --- Gallicano
15.3 --- Borgo a Mozzano
15.6 --- Molazzana
15.6 --- Castelnuovo di Garfagnana
15.7 --- Piteglio
15.8 --- Pieve Fosciana
16.0 --- San Marcello Pistoiese
16.3 --- Castiglione di Garfagnana
17.6 --- Villa Collemandina
17.7 --- Montecreto
18.5 --- Fanano

Quality location estimate: Erh: 0.8 km, Erz: 0.9 km, Nf: 18, Gap: 81 °, Rms: 0.15


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.
CARDGU2025-12-06 09:44:53.7800.01200.001.862025-12-06 09:44:56.2400.0621-0.051.5917.9
POPMGU2025-12-06 09:44:53.6300.0120-0.260.692025-12-06 09:44:55.7550.0621-0.780.2118.2
VLCMN2025-12-06 09:44:54.4810.02000.021.762025-12-06 09:44:57.8300.07420.350.0521.8
SARMGU2025-12-06 09:44:54.5300.0140-0.001.872025-12-06 09:44:57.3700.1855-0.240.8722.0
MAIMGU2025-12-06 09:44:55.3230.0200-0.011.852025-12-06 09:44:58.9500.0842-0.051.4326.4
GSCLGU2025-12-06 09:44:55.6760.0200-0.740.212025-12-06 09:44:59.2000.0922-1.610.0029.2
CMEIT2025-12-06 09:44:56.1540.0200-0.170.932025-12-06 09:45:00.6890.04000.031.3732.1
EQUIGU2025-12-06 09:44:57.1250.0200-0.280.652025-12-06 09:45:02.3300.1263-0.161.1038.5
ZCCAIV2025-12-06 09:44:58.8870.02000.021.552025-12-06 09:45:06.5800.04001.330.0041.4


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth
CARD GUHH0.671.51e-117.9227
POPM GUHH0.592.51e-118.2121
VLC MNHH0.383.80e-221.8287
SARM GUEH0.204.23e-222.0296
MAIM GUHH0.514.55e-226.4203
GSCL GUHH0.666.00e-229.2357
CME ITHN0.918.93e-232.1235
EQUI GUHH0.261.40e-238.5280
ZCCA IVHH0.371.56e-241.448


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.
(°)
CARD GUHHZ2.4000e-52.3512e-64.8915e-71.5573e-76.7094e-82.4952e-51.6245e-61.6603e-74.1473e-817.9227
CARD GUHHN6.5618e-54.5234e-61.1822e-62.8353e-71.4171e-75.2819e-54.7293e-62.9810e-79.0882e-817.9227
CARD GUHHE5.7655e-55.7513e-61.3301e-63.0361e-71.6287e-78.3612e-54.2014e-63.5429e-71.0159e-717.9227
POPM GUHHZ1.7976e-52.4815e-61.2343e-63.4462e-72.0398e-72.7623e-55.8546e-63.3382e-76.4716e-818.2121
POPM GUHHN2.6851e-53.7713e-61.9137e-65.0800e-72.8802e-74.8167e-56.1934e-64.8845e-79.6977e-818.2121
POPM GUHHE2.7526e-53.7852e-62.1548e-65.4236e-72.8442e-75.7106e-51.2753e-54.4535e-79.3577e-818.2121
VLC MNHHZ6.4367e-66.3204e-71.6059e-74.7179e-83.3250e-89.6676e-66.5570e-75.8518e-81.2034e-821.8287
VLC MNHHN6.3089e-68.8637e-73.0922e-77.5991e-84.4038e-81.9395e-58.0694e-77.4432e-81.5638e-821.8287
VLC MNHHE4.7240e-67.8534e-73.1944e-76.9445e-84.2594e-87.4163e-61.4386e-67.7574e-81.6666e-821.8287
SARM GUEHZ3.0691e-63.3934e-71.9663e-78.6528e-83.0325e-85.4555e-68.9884e-73.9927e-86.8694e-922.0296
SARM GUEHN3.4606e-63.8620e-73.3576e-72.0387e-76.8764e-86.0794e-61.3645e-68.4849e-81.2040e-822.0296
SARM GUEHE3.1633e-64.1856e-71.8450e-71.1399e-74.3358e-84.0326e-65.6818e-75.9873e-88.3805e-922.0296
MAIM GUHHZ1.9120e-63.7635e-71.6828e-78.7459e-84.1225e-84.6622e-61.0563e-65.4872e-88.8663e-926.4203
MAIM GUHHN5.2138e-65.1228e-73.7727e-71.2879e-75.6159e-81.1736e-51.9930e-67.3144e-81.2522e-826.4203
MAIM GUHHE3.1251e-64.4093e-72.0004e-78.1949e-83.9941e-86.4302e-61.1942e-66.0736e-88.7450e-926.4203
GSCL GUHHZ1.9002e-63.0828e-72.3326e-76.0359e-83.1808e-87.5937e-61.2203e-65.2966e-88.5478e-929.2357
GSCL GUHHN3.8600e-68.4121e-75.6261e-71.6147e-77.5787e-89.9140e-63.4506e-61.2775e-72.2909e-829.2357
GSCL GUHHE3.4292e-67.3067e-74.5238e-71.5214e-79.8475e-89.1185e-61.8711e-61.6981e-71.6141e-829.2357
CME ITHNZ6.1008e-68.6253e-74.7331e-74.5739e-74.5954e-71.1980e-52.1012e-66.8341e-74.1088e-832.1235
CME ITHNN7.4190e-61.2218e-68.5445e-74.1551e-72.1825e-71.2333e-53.4558e-62.9495e-73.2953e-832.1235
CME ITHNE1.0598e-51.3401e-66.5391e-73.3645e-71.8185e-71.8217e-54.5170e-62.5115e-73.4479e-832.1235
EQUI GUHHZ1.4407e-61.5418e-77.4039e-83.8944e-82.5013e-82.8654e-63.3939e-72.8337e-83.8030e-938.5280
EQUI GUHHN2.3924e-62.3250e-71.0917e-74.5990e-83.3996e-83.6246e-63.5245e-73.6744e-85.8902e-938.5280
EQUI GUHHE1.4779e-61.7462e-79.0900e-88.6291e-86.3955e-81.8063e-63.4658e-79.0038e-84.9819e-938.5280
ZCCA IVHHZ1.0231e-61.2435e-79.3579e-85.5555e-84.9726e-82.3717e-68.0619e-78.5430e-81.5362e-841.448
ZCCA IVHHN1.0589e-61.1953e-71.1341e-76.1936e-82.9520e-81.6059e-61.0970e-63.9983e-84.4097e-941.448
ZCCA IVHHE1.1375e-61.4448e-71.2772e-78.1265e-84.9734e-81.6945e-68.3502e-77.7028e-81.2553e-841.448
*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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