AUTOMATIC Location - Area: Alpi Apuane , magnitude (ML): 0.9
2026-01-09 18:06:41 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2026-01-09 18:10:36

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Earthquake info - RsniPicker2 automatic location
Event - ID :260109180544
Magnitude (ML) :0.9 +/- 0.1
Origin Time :2026-01-09 18:06:41.98 (UTC)
Location : Latitude: 44.197 N, Longitude: 10.207 E
Area :Alpi Apuane
Depth (km) :12.65
Distances (km) : 2.6 --- Casola in Lunigiana (MS)
2.8 --- Minucciano (LU)
3.6 --- Giuncugnano (LU)
7.5 --- Piazza al Serchio (LU)
8.1 --- Fivizzano (MS)
8.3 --- Sillano (LU)
11.0 --- Vagli Sotto (LU)
11.1 --- Camporgiano (LU)
11.6 --- San Romano in Garfagnana (LU)
12.4 --- Comano (MS)
12.5 --- Careggine (LU)
15.5 --- Licciana Nardi (MS)
15.8 --- Villa Collemandina (LU)
16.4 --- Fosdinovo (MS)
17.1 --- Castiglione di Garfagnana (LU)
17.3 --- Ligonchio (RE)
17.5 --- Ortonovo (SP)
17.8 --- Collagna (RE)
17.8 --- Pieve Fosciana (LU)
18.5 --- Castelnuovo Magra (SP)

Quality location estimate:
Erh: 0.8 km, Erz: 2.6 km, Nf: 9, Gap: 110°, Rms: 0.175 s
Stazioni validate: 5


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.
EQUIGU2026-01-09 18:06:43.9700.0040-0.730.172026-01-09 18:06:45.0250.0450-1.620.0013.7
CARDGU--:---.-----.---.--2026-01-09 18:06:51.8240.09910.031.4131.7
ERBMIV2026-01-09 18:06:48.5290.01500.011.772026-01-09 18:06:53.4300.1742-0.031.0932.3
GRAMGU2026-01-09 18:06:48.6500.0180-0.021.702026-01-09 18:06:53.4100.11120.121.1436.9
PIIIV2026-01-09 18:06:52.8890.03000.031.542026-01-09 18:06:59.9700.1802-0.880.1960.0


RsniPicker2 - Automatic magnitude (ML) calculation results
Station Net Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth Used
CARD GU0.908.92e-231.7131SI
ERBM IV0.807.21e-232.334SI
GRAM GU1.001.55e-136.9341SI
PII IV0.902.49e-260.0154SI


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.
(°)
EQUI GUHHZ6.2493e-54.5041e-60.0000e+01.6524e-63.1078e-64.5437e-63.6770e-54.8296e-65.1421e-76.6864e-813.7-1
EQUI GUHHN5.3413e-56.5832e-60.0000e+02.0636e-63.5781e-63.5781e-63.6950e-51.2543e-55.7617e-77.4835e-813.7-1
EQUI GUHHE8.7909e-57.2062e-60.0000e+01.9364e-63.6411e-65.2708e-64.3233e-54.6698e-63.4614e-77.9661e-813.7-1
CARD GUHHZ8.6551e-69.1365e-70.0000e+04.7169e-78.9973e-71.3527e-61.5651e-51.6152e-62.2916e-74.6784e-831.7131
CARD GUHHN1.8763e-52.3054e-60.0000e+09.5510e-71.8009e-61.8009e-62.5200e-51.8068e-62.4270e-75.0181e-831.7131
CARD GUHHE1.4568e-52.1505e-60.0000e+01.1035e-62.0173e-62.9302e-62.4037e-52.3758e-63.0544e-77.0488e-831.7131
GRAM GUHHZ4.0522e-69.5645e-70.0000e+05.7829e-79.2332e-71.4432e-67.5043e-61.7947e-63.8554e-79.9801e-836.9341
GRAM GUHHN6.6445e-61.6340e-60.0000e+01.4506e-62.3150e-62.3150e-62.1695e-56.7570e-63.1096e-76.8393e-836.9341
GRAM GUHHE6.4636e-61.9125e-60.0000e+01.4646e-62.4358e-63.3567e-61.2470e-58.6346e-62.9000e-76.3441e-836.9341
PII IVHHZ1.2463e-62.4725e-70.0000e+02.2274e-73.5567e-75.0762e-72.6711e-66.3090e-78.4115e-81.8024e-860.0154
PII IVHHN1.7089e-63.0086e-70.0000e+02.4754e-74.1745e-74.1745e-74.3097e-67.4115e-71.0060e-71.8267e-860.0154
PII IVHHE1.9581e-63.2871e-70.0000e+02.4871e-74.3242e-76.0948e-76.9429e-69.0420e-71.3266e-71.5084e-860.0154
*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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