AUTOMATIC Location - Area: Costa toscana settentrionale , magnitude (ML): 1.5
2026-09-12 18:15:29 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2026-09-12 18:19:51

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Earthquake info - RsniPicker2 automatic location
Event - ID :260912181508
Magnitude (ML) :1.5 +/- 0.3
Origin Time :2026-09-12 18:15:29.309 (UTC)
Location : Latitude: 43.655 N, Longitude: 10.203 E
Area :Costa toscana settentrionale
Depth (km) :8.96
Distances (km) : 15.0 --- Livorno (LI)
17.5 --- Pisa (PI)
20.6 --- Vecchiano (PI)
22.8 --- San Giuliano Terme (PI)
23.3 --- Collesalvetti (LI)
24.3 --- Viareggio (LU)
26.6 --- Calci (PI)
26.7 --- Massarosa (LU)
26.9 --- Fauglia (PI)
28.1 --- Cascina (PI)
29.9 --- Lorenzana (PI)
30.6 --- Crespina (PI)
30.7 --- Orciano Pisano (PI)
30.7 --- Vicopisano (PI)
32.2 --- Buti (PI)
32.3 --- Lucca (LU)
32.8 --- Camaiore (LU)
33.0 --- Lari (PI)
33.5 --- Calcinaia (PI)
33.7 --- Pietrasanta (LU)

Quality location estimate:
Erh: 1.3 km, Erz: 3.4 km, Nf: 21, Gap: 118°, Rms: 0.136 s
Stazioni validate: 12


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.
PIIIV2026-09-12 18:15:35.1190.01500.061.372026-09-12 18:15:39.1690.0851-0.111.2628.4
MAIMGU2026-09-12 18:15:36.4900.0190-0.031.492026-09-12 18:15:41.5900.1142-0.270.8138.0
CARDGU2026-09-12 18:15:37.9100.0240-0.041.452026-09-12 18:15:44.4390.14320.111.0247.8
BDIIV2026-09-12 18:15:39.3600.0280-0.161.132026-09-12 18:15:47.0400.1852-0.061.0255.9
EQUIGU2026-09-12 18:15:39.3200.0721-0.051.372026-09-12 18:15:46.6300.1732-0.081.0457.6
VLCMN2026-09-12 18:15:39.7990.02900.131.072026-09-12 18:15:47.5200.17620.200.8058.6
SARMGU2026-09-12 18:15:40.3400.03100.041.362026-09-12 18:15:48.4300.1852-0.011.0061.6
POPMGU2026-09-12 18:15:40.7300.03100.230.69--:---.-----.---.-- 62.7
GSCLGU2026-09-12 18:15:44.4300.1432-0.141.062026-09-12 18:15:55.3800.2512-0.420.5783.7
CSNTIV--:---.-----.---.--2026-09-12 18:15:56.9300.3312-0.290.6590.4
MSSAIV2026-09-12 18:15:44.5200.0460-0.850.082026-09-12 18:15:56.8800.4012-0.260.6392.1
MORSIFR2026-09-12 18:15:46.9500.0721-0.111.13--:---.-----.---.-- 103.9


RsniPicker2 - Automatic magnitude (ML) calculation results
Station Net Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth Used
PII IV1.101.92e-128.474SI
MAIM GU1.301.29e-138.039SI
CARD GU1.803.10e-147.829SI
BDI IV1.501.44e-155.935SI
EQUI GU1.409.23e-257.6356SI
SARM GU1.409.47e-261.615SI
POPM GU1.501.76e-162.746SI
GSCL GU2.202.52e-183.722SI
MSSA IV1.302.52e-292.1323SI
MORSIFR1.101.14e-2103.9221SI


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.
(°)
PII IVHHZ1.4068e-52.2554e-60.0000e+01.6209e-62.6577e-63.6235e-63.9400e-56.0655e-62.9022e-74.6899e-828.474
PII IVHHN1.5400e-52.8592e-60.0000e+02.0595e-63.5365e-63.5365e-64.1540e-51.2434e-55.3524e-76.8172e-828.474
PII IVHHE1.6873e-53.0045e-60.0000e+02.0980e-63.6610e-65.1009e-64.5354e-51.3107e-54.4957e-75.9321e-828.474
MAIM GUHHZ6.3480e-69.0437e-70.0000e+07.2477e-71.2491e-61.7009e-61.6032e-53.3985e-61.6994e-72.6015e-838.039
MAIM GUHHN8.2842e-61.4360e-60.0000e+01.1345e-62.1014e-62.1014e-62.5686e-53.3709e-62.9253e-73.9606e-838.039
MAIM GUHHE9.1594e-61.2796e-60.0000e+01.0789e-61.8328e-62.4869e-62.0973e-54.9485e-63.0409e-72.8175e-838.039
CARD GUHHZ1.5711e-51.8058e-60.0000e+01.3073e-62.2814e-63.1306e-63.0864e-53.5573e-63.8541e-74.4514e-847.829
CARD GUHHN4.2395e-55.8729e-60.0000e+04.1943e-66.8703e-66.8703e-61.1451e-41.0426e-55.5608e-71.1660e-747.829
CARD GUHHE3.1376e-53.8904e-60.0000e+02.9359e-64.8474e-66.6020e-68.0950e-59.6174e-64.2841e-79.3699e-847.829
BDI IVHHZ2.9457e-65.4567e-70.0000e+05.4669e-78.8261e-71.1569e-67.6694e-62.9765e-61.0401e-71.6627e-855.935
BDI IVHHN3.8284e-68.2870e-70.0000e+08.2927e-71.2768e-61.2768e-61.5725e-53.9974e-61.7674e-72.5246e-855.935
BDI IVHHE3.4790e-67.5302e-70.0000e+06.9464e-71.2100e-61.5943e-61.2838e-53.2938e-61.4131e-71.9491e-855.935
EQUI GUHHZ4.4065e-51.0178e-50.0000e+08.6361e-61.4828e-51.9947e-59.7827e-52.7186e-52.5045e-62.3225e-757.6356
EQUI GUHHN5.6577e-59.5610e-60.0000e+08.9814e-61.5381e-51.5381e-51.8596e-43.2298e-53.4012e-63.1845e-757.6356
EQUI GUHHE7.3349e-51.7752e-50.0000e+01.4492e-52.4707e-53.3833e-51.9204e-45.5776e-53.3537e-65.7428e-757.6356
VLC MNHHZ2.5229e-63.7074e-70.0000e+03.4482e-76.2782e-78.5336e-78.0513e-61.3167e-61.8661e-71.4894e-858.6-1
VLC MNHHN4.8909e-67.2504e-70.0000e+05.5986e-79.9965e-79.9965e-71.3182e-52.1388e-61.6736e-71.7384e-858.6-1
VLC MNHHE4.3710e-66.3241e-70.0000e+05.2680e-78.7909e-71.2108e-61.4201e-52.6188e-61.7595e-71.9858e-858.6-1
SARM GUEHZ4.2627e-69.5909e-70.0000e+08.1096e-71.3231e-61.8001e-61.4512e-52.4951e-61.6530e-72.6548e-861.615
SARM GUEHN3.2764e-67.8612e-70.0000e+07.9045e-71.4521e-61.4521e-61.1827e-52.7929e-62.9926e-72.9493e-861.615
SARM GUEHE4.5905e-69.2830e-70.0000e+07.3741e-71.3752e-61.8294e-61.1749e-52.9567e-62.8389e-71.9043e-861.615
POPM GUHHZ1.6285e-51.8782e-60.0000e+01.0361e-61.8226e-62.6066e-63.6319e-54.9538e-61.9189e-74.0970e-862.746
POPM GUHHN1.6921e-53.2237e-60.0000e+02.4309e-64.0787e-64.0787e-65.1449e-56.4930e-63.6425e-76.6474e-862.746
POPM GUHHE1.1879e-52.3389e-60.0000e+02.0518e-63.2542e-64.4454e-64.8983e-58.3768e-63.9333e-76.1737e-862.746
GSCL GUHHZ1.3616e-64.1299e-70.0000e+03.7346e-78.2420e-71.0918e-67.2096e-62.2614e-64.1026e-71.5720e-883.722
GSCL GUHHN3.3569e-61.2964e-60.0000e+01.2901e-62.1317e-62.1317e-69.1485e-67.5443e-64.0337e-73.9768e-883.722
GSCL GUHHE5.1655e-62.0665e-60.0000e+01.8744e-63.3748e-64.5016e-61.1380e-51.3449e-55.8152e-76.3115e-883.722
MSSA IVHHZ2.4672e-76.4190e-80.0000e+04.4714e-89.0323e-81.2947e-78.1640e-71.8997e-73.5712e-82.5202e-992.1323
MSSA IVHHN4.2870e-71.0905e-70.0000e+08.1865e-81.5572e-71.5572e-71.1725e-62.4145e-74.0141e-83.1180e-992.1323
MSSA IVHHE2.9366e-77.7731e-80.0000e+07.5145e-81.3432e-71.7689e-75.7487e-72.9518e-73.3289e-84.2792e-992.1323
MORSIFRHHZ5.0222e-71.1058e-70.0000e+01.0858e-72.3556e-73.5925e-71.7675e-66.5474e-71.3989e-79.5665e-9103.9221
MORSIFRHHN5.9006e-71.2166e-70.0000e+09.7430e-81.8994e-71.8994e-71.6270e-63.7593e-71.0170e-78.8202e-9103.9221
MORSIFRHHE5.6419e-71.3643e-70.0000e+01.1277e-72.0485e-73.0116e-71.6102e-66.6005e-71.0626e-75.1855e-9103.9221
*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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