AUTOMATIC Location - Area: Valdarno inferiore , magnitude (ML): 0.6
2026-01-21 00:05:49 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2026-01-21 00:10:20

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Earthquake info - RsniPicker2 automatic location
Event - ID :260121000523
Magnitude (ML) :0.6 +/- 0.3
Origin Time :2026-01-21 00:05:49.63 (UTC)
Location : Latitude: 43.934 N, Longitude: 10.479 E
Area :Valdarno inferiore
Depth (km) :4.79
Distances (km) : 6.6 --- Pescaglia (LU)
7.4 --- Borgo a Mozzano (LU)
8.2 --- Fabbriche di Vallico (LU)
10.2 --- Lucca (LU)
12.3 --- Bagni di Lucca (LU)
12.6 --- Capannori (LU)
13.1 --- Massarosa (LU)
13.4 --- Villa Basilica (LU)
14.1 --- Camaiore (LU)
14.7 --- Gallicano (LU)
14.9 --- Coreglia Antelminelli (LU)
15.1 --- Vergemoli (LU)
15.4 --- Porcari (LU)
15.6 --- Barga (LU)
16.3 --- Molazzana (LU)
16.4 --- Stazzema (LU)
17.4 --- Pescia (PT)
17.7 --- Montecarlo (LU)
18.3 --- Vecchiano (PI)
19.1 --- San Giuliano Terme (PI)

Quality location estimate:
Erh: 0.8 km, Erz: 0.5 km, Nf: 11, Gap: 144°, Rms: 0.149 s
Stazioni validate: 7


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.
MAIMGU2026-01-21 00:05:51.0800.00300.001.832026-01-21 00:05:51.6100.0130-0.540.275.4
CARDGU2026-01-21 00:05:52.0700.0060-0.011.832026-01-21 00:05:53.5940.0370-0.280.4011.3
PIIIV2026-01-21 00:05:54.6600.01200.011.802026-01-21 00:05:58.2300.0851-0.170.8624.3
POPMGU2026-01-21 00:05:54.6100.01300.001.822026-01-21 00:05:57.7720.1492-0.600.3425.9
EQUIGU--:---.-----.---.--2026-01-21 00:06:01.4200.1962-0.020.9236.9
GSCLGU--:---.-----.---.--2026-01-21 00:06:05.7900.26520.130.6447.4
ERBMIV--:---.-----.---.--2026-01-21 00:06:07.1200.4732-0.850.2854.5


RsniPicker2 - Automatic magnitude (ML) calculation results
Station Net Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth Used
MAIM GU0.405.94e-15.4157SI
CARD GU0.602.70e-111.31SI
PII IV0.202.64e-224.3171SI
POPM GU0.408.00e-225.961SI
EQUI GU0.804.68e-236.9315SI
GSCL GU0.803.27e-247.411SI
ERBM IV1.003.92e-254.5354SI


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 GUHHZ2.9482e-54.5726e-60.0000e+03.4638e-66.1405e-68.6382e-68.5052e-51.9242e-59.3617e-71.2616e-75.4157
MAIM GUHHN5.9616e-51.1842e-50.0000e+06.5001e-61.2559e-51.2559e-51.7168e-42.0509e-51.5818e-62.1521e-75.4157
MAIM GUHHE5.3722e-56.6947e-60.0000e+04.9213e-68.9252e-61.2473e-51.5093e-41.6983e-51.2584e-61.8155e-75.4157
CARD GUHHZ1.4081e-52.0386e-60.0000e+01.1117e-62.3003e-63.2461e-63.6317e-53.5637e-63.2682e-75.2528e-811.31
CARD GUHHN2.5593e-53.0613e-60.0000e+02.5669e-64.9039e-64.9039e-67.7415e-51.0924e-51.0304e-61.0015e-711.31
CARD GUHHE2.7307e-53.5970e-60.0000e+02.5318e-64.4360e-66.2713e-69.2851e-59.4656e-65.6610e-77.4158e-811.31
PII IVHHZ1.0160e-62.5294e-70.0000e+01.9138e-73.2754e-74.4660e-73.3803e-67.3296e-75.7208e-81.4676e-824.3171
PII IVHHN1.2521e-62.6575e-70.0000e+02.1167e-73.4957e-73.4957e-72.9638e-61.0307e-68.8199e-81.7818e-824.3171
PII IVHHE1.2112e-62.3234e-70.0000e+02.5394e-74.2743e-75.7563e-73.5445e-61.3503e-68.3843e-81.0845e-824.3171
POPM GUHHZ4.3752e-65.8604e-70.0000e+04.3163e-78.0077e-71.1111e-66.9329e-62.4036e-61.5331e-72.2196e-825.961
POPM GUHHN5.6652e-61.0078e-60.0000e+08.4821e-71.4253e-61.4253e-61.7013e-53.5191e-62.0373e-72.5276e-825.961
POPM GUHHE4.5433e-61.0459e-60.0000e+09.3679e-71.4795e-62.0086e-69.4316e-66.1734e-61.9077e-73.5012e-825.961
EQUI GUHHZ7.6964e-71.7696e-70.0000e+01.3728e-72.8511e-74.1637e-71.8546e-64.8620e-71.0916e-71.2736e-836.9315
EQUI GUHHN1.4909e-62.3781e-70.0000e+01.7566e-73.8608e-73.8608e-74.6845e-69.1942e-72.2624e-72.2015e-836.9315
EQUI GUHHE6.8096e-71.9938e-70.0000e+01.0643e-73.0131e-75.0295e-72.0626e-65.5038e-72.2884e-71.9172e-836.9315
GSCL GUHHZ4.7032e-71.4446e-70.0000e+09.2518e-82.0537e-73.5042e-71.3889e-65.8196e-71.4531e-72.3146e-847.411
GSCL GUHHN1.0080e-63.0190e-70.0000e+03.0525e-75.1350e-75.1350e-72.6563e-61.5001e-62.2359e-72.6085e-847.411
GSCL GUHHE7.5279e-72.5322e-70.0000e+02.1848e-74.0295e-75.8468e-71.0508e-61.0085e-62.3661e-73.1537e-847.411
*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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