AUTOMATIC Location - Area: Alpi Apuane , magnitude (ML): 1.8
2026-11-12 18:52:25 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2026-11-12 18:56:07

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Earthquake info - RsniPicker2 automatic location
Event - ID :261112185119
Magnitude (ML) :1.8 +/- 0.3
Origin Time :2026-11-12 18:52:25.51 (UTC)
Location : Latitude: 43.932 N, Longitude: 10.332 E
Area :Alpi Apuane
Depth (km) :4.08
Distances (km) : 2.5 --- Camaiore (LU)
6.3 --- Massarosa (LU)
7.5 --- Pescaglia (LU)
7.9 --- Stazzema (LU)
8.5 --- Pietrasanta (LU)
9.5 --- Viareggio (LU)
10.7 --- Fabbriche di Vallico (LU)
11.0 --- Seravezza (LU)
13.3 --- Forte dei Marmi (LU)
14.0 --- Vergemoli (LU)
15.8 --- Montignoso (MS)
16.7 --- Gallicano (LU)
17.0 --- Lucca (LU)
17.2 --- Vecchiano (PI)
17.3 --- Molazzana (LU)
18.0 --- Borgo a Mozzano (LU)
19.8 --- Massa (MS)
20.1 --- Barga (LU)
20.6 --- San Giuliano Terme (PI)
20.8 --- Vagli Sotto (LU)

Quality location estimate:
Erh: 0.7 km, Erz: 0.9 km, Nf: 18, Gap: 185°, Rms: 0.128 s
Stazioni validate: 9


RsniPicker2 - Automatic location results
Station Net P arrival times P pick
err		 P pick
weight		 P res Nll
weight		 S arrival time S pick
err		 S pick
weight		 S res Nll
weight		 Dist.
MAIMGU2026-11-12 18:52:28.6800.0070-0.011.642026-11-12 18:52:30.0400.0410-1.010.0013.6
CARDGU2026-11-12 18:52:28.9590.00800.191.012026-11-12 18:52:31.1550.0541-0.011.5216.5
VLCMN2026-11-12 18:52:30.6290.01300.181.092026-11-12 18:52:34.3100.07810.210.9626.0
BDIIV2026-11-12 18:52:30.6390.0130-0.011.642026-11-12 18:52:34.1390.0781-0.330.3226.0
PIIIV2026-11-12 18:52:31.4100.01400.051.602026-11-12 18:52:35.2400.0851-0.510.1728.3
SARMGU2026-11-12 18:52:31.0800.0140-0.011.632026-11-12 18:52:35.2500.08710.031.3828.9
EQUIGU2026-11-12 18:52:31.2900.02000.021.662026-11-12 18:52:35.2700.0901-0.210.5929.9
POPMGU2026-11-12 18:52:32.5400.01800.181.112026-11-12 18:52:37.6240.11420.121.1636.5
GSCLGU--:---.-----.---.--2026-11-12 18:52:42.2990.1532-0.330.5151.0
GRAMGU2026-11-12 18:52:38.0000.03300.760.00--:---.-----.---.-- 65.8


RsniPicker2 - Automatic magnitude (ML) calculation results
Station Net Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth Used
CARD GU2.104.67e+016.549SI
BDI IV1.801.16e+026.056SI
PII IV1.403.73e-128.3146SI
SARM GU1.707.92e-128.911SI
EQUI GU1.706.05e-129.9331SI
POPM GU1.709.18e-136.570SI
GSCL GU2.308.01e-151.024SI


Results of PGA, PGV, IH, spectral amplitudes (SA) values calculation
Station Net Channel PGA
(g)		 PGV
(m/s)		 PGD
(m)		 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.
(°)
MAIM GUHHZ3.2315e-59.5102e-60.0000e+07.8796e-61.8355e-52.5347e-59.6637e-53.5176e-51.1744e-54.5655e-713.6-1
MAIM GUHHN7.6785e-51.2697e-50.0000e+01.3700e-52.6538e-52.6538e-51.8896e-45.7450e-55.1762e-64.9696e-713.6-1
MAIM GUHHE6.2869e-51.6863e-50.0000e+01.3668e-52.7163e-53.6179e-51.7767e-44.8418e-59.5155e-66.8433e-713.6-1
CARD GUHHZ3.4013e-44.3569e-50.0000e+01.4102e-52.7871e-54.1291e-56.6625e-43.3666e-54.2085e-66.4783e-716.549
CARD GUHHN7.7175e-41.0268e-40.0000e+04.2728e-57.4137e-57.4137e-51.7022e-31.1034e-48.6166e-61.3069e-616.549
CARD GUHHE5.9842e-49.0358e-50.0000e+04.7700e-58.5805e-51.1993e-41.8381e-31.2700e-41.0714e-51.6946e-616.549
VLC MNHHZ2.0915e-54.9337e-60.0000e+02.2955e-64.6963e-66.4490e-62.2676e-51.0363e-51.6652e-61.0531e-726.0-1
VLC MNHHN1.7812e-55.2888e-60.0000e+03.4188e-66.9564e-66.9564e-64.6812e-51.7134e-51.6761e-61.2513e-726.0-1
VLC MNHHE2.8751e-57.5283e-60.0000e+03.1098e-65.4576e-67.6326e-65.0511e-51.3190e-51.3168e-61.1625e-726.0-1
BDI IVHHZ1.6688e-52.8504e-60.0000e+02.4911e-64.7405e-66.1924e-64.9596e-51.5358e-59.4832e-79.4073e-826.056
BDI IVHHN1.8476e-55.7818e-60.0000e+04.3649e-68.1132e-68.1132e-65.3380e-52.2074e-52.1128e-61.9532e-726.056
BDI IVHHE1.7225e-54.7445e-60.0000e+03.7042e-67.5281e-69.6286e-64.5556e-52.4560e-51.4315e-61.4079e-726.056
PII IVHHZ1.4588e-53.1812e-60.0000e+03.0321e-64.9574e-66.5753e-64.1900e-59.3629e-65.8778e-78.0369e-828.3146
PII IVHHN1.8403e-52.8624e-60.0000e+03.0725e-65.1212e-65.1212e-66.2431e-51.2938e-51.0986e-61.0247e-728.3146
PII IVHHE1.9977e-54.4612e-60.0000e+03.7042e-66.2062e-68.5080e-67.2572e-51.8398e-58.9776e-71.1305e-728.3146
SARM GUEHZ8.4392e-62.5353e-60.0000e+01.7179e-63.0665e-64.1344e-62.1582e-58.2163e-65.2172e-75.2331e-828.911
SARM GUEHN1.1424e-55.6123e-60.0000e+02.6187e-67.7271e-67.7271e-62.0300e-51.0001e-53.9886e-62.2640e-728.911
SARM GUEHE1.2151e-53.9724e-60.0000e+01.6865e-64.4284e-66.3503e-62.5228e-57.0606e-61.8541e-61.1262e-728.911
EQUI GUHHZ4.2542e-48.1999e-50.0000e+03.2579e-55.8533e-58.1769e-54.5351e-41.5620e-41.2282e-51.3784e-629.9331
EQUI GUHHN7.6381e-41.3019e-40.0000e+04.0758e-57.2354e-57.2354e-51.2421e-31.3037e-42.2392e-51.4572e-629.9331
EQUI GUHHE9.6390e-41.6261e-40.0000e+04.6731e-57.6432e-51.0434e-41.1495e-31.3023e-42.1605e-51.5539e-629.9331
POPM GUHHZ4.8438e-56.8424e-60.0000e+06.4031e-61.1022e-51.4545e-51.1289e-43.2431e-51.8581e-62.0194e-736.570
POPM GUHHN4.7353e-59.9781e-60.0000e+09.1786e-61.4419e-51.4419e-51.5774e-44.5693e-51.5380e-62.2002e-736.570
POPM GUHHE4.2959e-51.0193e-50.0000e+09.3740e-61.6281e-52.1468e-51.0271e-45.2299e-52.3959e-63.0686e-736.570
GSCL GUHHZ8.1160e-62.4235e-60.0000e+01.6230e-63.8435e-65.1588e-61.7734e-55.5007e-61.6139e-68.4887e-851.024
GSCL GUHHN2.1775e-56.3641e-60.0000e+05.5033e-69.8740e-69.8740e-63.6632e-52.3392e-53.2484e-62.1022e-751.024
GSCL GUHHE1.6728e-55.7947e-60.0000e+05.0529e-69.5774e-61.2542e-52.1041e-52.6777e-51.7610e-62.2473e-751.024
GRAM GUHHZ8.9208e-53.1923e-50.0000e+02.5958e-54.2945e-55.8131e-52.5847e-41.5640e-41.3411e-51.0438e-665.8-1
GRAM GUHHN2.2607e-47.5760e-50.0000e+07.1770e-51.1998e-41.1998e-45.8787e-45.5837e-41.5592e-51.9933e-665.8-1
GRAM GUHHE1.9529e-45.9747e-50.0000e+06.8737e-51.0892e-41.4075e-43.2626e-46.1852e-41.5917e-51.9990e-665.8-1
*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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