AUTOMATIC Location - Area: Valdarno inferiore , magnitude (ML): 1.5
2026-02-17 22:10:01 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2026-02-17 22:14:19

RSNI Logo



Earthquake info - RsniPicker2 automatic location
Event - ID :260217220936
Magnitude (ML) :1.5 +/- 0.2
Origin Time :2026-02-17 22:10:01.82 (UTC)
Location : Latitude: 43.849 N, Longitude: 10.431 E
Area :Valdarno inferiore
Depth (km) :8.52
Distances (km) : 6.1 --- Lucca (LU)
8.0 --- Massarosa (LU)
8.1 --- Vecchiano (PI)
9.5 --- San Giuliano Terme (PI)
11.4 --- Capannori (LU)
13.2 --- Pescaglia (LU)
14.4 --- Camaiore (LU)
14.8 --- Viareggio (LU)
14.8 --- Pisa (PI)
15.1 --- Calci (PI)
15.3 --- Porcari (LU)
16.5 --- Fabbriche di Vallico (LU)
17.3 --- Borgo a Mozzano (LU)
18.5 --- Buti (PI)
19.2 --- Montecarlo (LU)
19.4 --- Villa Basilica (LU)
19.8 --- Stazzema (LU)
20.0 --- Pietrasanta (LU)
20.2 --- Altopascio (LU)
20.3 --- Vicopisano (PI)

Quality location estimate:
Erh: 1 km, Erz: 1 km, Nf: 25, Gap: 144°, Rms: 0.182 s
Stazioni validate: 13


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.
MAIMGU2026-02-17 22:10:04.4800.00600.012.082026-02-17 22:10:05.8600.0370-0.590.4412.2
PIIIV2026-02-17 22:10:05.6500.0090-0.022.062026-02-17 22:10:07.9020.0931-0.640.4318.2
CARDGU2026-02-17 22:10:06.0500.01100.012.062026-02-17 22:10:08.8100.0651-0.360.4121.8
POPMGU2026-02-17 22:10:08.6600.01800.370.202026-02-17 22:10:13.1700.10520.011.4635.1
VLCMN2026-02-17 22:10:08.4900.01800.160.862026-02-17 22:10:13.2490.10720.061.4035.7
SARMGU2026-02-17 22:10:08.8000.0190-0.031.912026-02-17 22:10:13.8090.1662-0.260.9038.2
EQUIGU2026-02-17 22:10:09.3300.0260-0.131.222026-02-17 22:10:14.4810.1492-0.640.4242.4
PLMAIV2026-02-17 22:10:11.2100.02600.031.732026-02-17 22:10:16.3400.7113-1.760.1152.0
GSCLGU2026-02-17 22:10:12.8200.02900.051.622026-02-17 22:10:20.3400.1732-0.510.5757.8
ERBMIV2026-02-17 22:10:13.6700.0320-0.031.60--:---.-----.---.-- 64.0
ZCCAIV2026-02-17 22:10:16.4200.03600.980.01--:---.-----.---.-- 71.3
GRAMGU2026-02-17 22:10:15.8500.03900.520.15--:---.-----.---.-- 77.5
CSNTIV2026-02-17 22:10:16.9000.04100.021.452026-02-17 22:10:26.3300.2442-1.380.0881.3
RUFIIV2026-02-17 22:10:17.6500.0440-0.031.412026-02-17 22:10:28.7050.5583-0.820.4287.0


RsniPicker2 - Automatic magnitude (ML) calculation results
Station Net Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth Used
MAIM GU1.602.32e+012.235SI
PII IV1.205.63e-118.2152SI
CARD GU2.002.03e+021.812SI
POPM GU1.505.30e-135.150SI
SARM GU1.402.20e-138.2356SI
EQUI GU1.401.40e-142.4328SI
PLMA IV1.308.46e-252.0296SI
GSCL GU1.902.53e-157.813SI
ERBM IV1.304.98e-264.0359SI
GRAM GU1.601.42e-177.5338SI


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 GUHHZ2.2715e-42.7432e-50.0000e+01.0831e-51.8864e-52.6008e-52.9776e-44.2000e-52.5378e-63.6571e-712.235
MAIM GUHHN3.2463e-44.0258e-50.0000e+02.0993e-54.3118e-54.3118e-54.2281e-45.6297e-54.8440e-67.4426e-712.235
MAIM GUHHE4.3093e-44.9190e-50.0000e+01.4806e-52.7249e-53.8242e-52.1452e-44.6493e-53.5760e-65.3503e-712.235
PII IVHHZ3.0057e-55.8801e-60.0000e+04.4622e-68.0112e-61.0867e-58.0126e-51.3654e-51.1319e-61.5615e-718.2152
PII IVHHN4.7440e-57.4741e-60.0000e+05.5740e-69.7703e-69.7703e-61.2643e-41.7975e-51.2510e-61.8191e-718.2152
PII IVHHE4.2895e-56.0224e-60.0000e+04.6747e-68.7126e-61.1835e-51.2140e-41.6085e-51.2726e-61.7003e-718.2152
CARD GUHHZ8.8466e-51.2074e-50.0000e+08.7161e-61.6106e-52.1903e-52.1279e-44.4718e-52.8429e-63.7105e-721.812
CARD GUHHN2.7005e-43.2577e-50.0000e+02.0493e-53.5895e-53.5895e-55.1427e-48.4871e-53.6318e-65.9943e-721.812
CARD GUHHE2.9750e-43.7401e-50.0000e+02.2338e-54.1021e-55.8890e-57.2588e-47.6590e-53.7394e-68.9694e-721.812
POPM GUHHZ4.9757e-55.3076e-60.0000e+03.7824e-66.5769e-69.2070e-66.7014e-51.1071e-55.9350e-71.2605e-735.150
POPM GUHHN7.8243e-51.0686e-50.0000e+07.0763e-61.2346e-51.2346e-51.2657e-41.4594e-51.0681e-61.9851e-735.150
POPM GUHHE4.3141e-58.3146e-60.0000e+05.5843e-61.0007e-51.3971e-51.1405e-41.8919e-59.0305e-71.9034e-735.150
VLC MNHHZ9.1635e-61.4753e-60.0000e+07.0550e-71.3971e-61.9391e-61.8662e-53.1039e-64.4952e-73.4087e-835.7-1
VLC MNHHN1.9631e-52.4735e-60.0000e+01.3746e-62.4200e-62.4200e-63.1304e-53.1684e-66.5567e-75.7217e-835.7-1
VLC MNHHE1.2396e-51.8515e-60.0000e+01.1646e-61.9389e-62.6653e-62.9479e-53.8707e-63.3011e-75.5179e-835.7-1
SARM GUEHZ5.8560e-68.3481e-70.0000e+07.1071e-71.2641e-61.6714e-61.4445e-52.3973e-62.0521e-72.5959e-838.2356
SARM GUEHN6.2076e-61.5483e-60.0000e+01.2207e-62.8733e-62.8733e-61.6774e-55.8943e-69.3575e-78.9139e-838.2356
SARM GUEHE9.2710e-61.6911e-60.0000e+01.1328e-62.2620e-63.1427e-61.8301e-56.0574e-65.6831e-76.3381e-838.2356
EQUI GUHHZ1.3513e-52.2460e-60.0000e+01.3047e-62.3505e-63.4231e-63.7855e-54.6035e-63.8303e-75.5640e-842.4328
EQUI GUHHN2.1262e-52.8647e-60.0000e+01.7367e-63.0789e-63.0789e-66.5866e-55.2996e-62.9844e-75.4891e-842.4328
EQUI GUHHE9.7995e-61.5492e-60.0000e+09.8290e-71.7298e-62.3911e-62.1644e-53.3491e-62.5964e-73.9149e-842.4328
PLMA IVHHZ3.8322e-65.9806e-70.0000e+04.5104e-79.5926e-71.4760e-69.2888e-61.5182e-65.4507e-75.3898e-852.0296
PLMA IVHHN6.6656e-69.9503e-70.0000e+08.0733e-71.4718e-61.4718e-61.6542e-52.4055e-66.8735e-73.5310e-852.0296
PLMA IVHHE4.5358e-67.3003e-70.0000e+05.8561e-71.0872e-61.5010e-61.0021e-52.5844e-63.8204e-73.2059e-852.0296
GSCL GUHHZ3.0294e-66.8950e-70.0000e+05.6874e-71.3492e-61.9036e-67.8159e-63.5235e-67.3750e-73.7289e-857.813
GSCL GUHHN7.7810e-62.6076e-60.0000e+02.0580e-63.7056e-63.7056e-62.0178e-51.1497e-56.4230e-76.4124e-857.813
GSCL GUHHE4.5198e-61.9282e-60.0000e+01.5775e-62.9394e-63.8760e-61.3988e-51.0625e-56.4585e-75.2777e-857.813
ZCCA IVHHZ1.1560e-62.5865e-70.0000e+02.2828e-75.0573e-77.0538e-74.9575e-69.1176e-72.0686e-71.9306e-871.3-1
ZCCA IVHHN1.3801e-63.7822e-70.0000e+04.6885e-78.1136e-78.1136e-74.1197e-62.8426e-62.2808e-71.9958e-871.3-1
ZCCA IVHHE9.2197e-73.6146e-70.0000e+04.1446e-77.2891e-79.3534e-72.4822e-62.0092e-61.3469e-72.2246e-871.3-1
GRAM GUHHZ1.1389e-51.1861e-60.0000e+06.0308e-79.6704e-71.3234e-66.8300e-62.8354e-63.1240e-72.2469e-877.5338
GRAM GUHHN0.0000e+00.0000e+00.0000e+0-1.0000e+0-1.0000e+0-1.0000e+0-1.0000e+0-1.0000e+0-1.0000e+0-1.0000e+077.5338
GRAM GUHHE4.5338e-61.4965e-60.0000e+01.4442e-62.3862e-63.2248e-61.0736e-58.8229e-64.1292e-73.9619e-877.5338
*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)

rsni
 
Disclaimer & Privacy

IT Italiano
UniGE-Distav
Search
HTML5 Powered