AUTOMATIC Location - Area: Lunigiana , magnitude (ML): 0.9
2025-11-08 04:56:30 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-11-08 05:00:57

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Earthquake info - RsniPicker2 automatic location
Event - ID :251108045608
Magnitude (ML) :0.9 +/- 0.2
Origin Time :2025-11-08 04:56:30.61 (UTC)
Location : Latitude: 44.223 N, Longitude: 9.807 E
Area :Lunigiana
Depth (km) :6.08
Distances (km) : 3.2 --- Calice al Cornoviglio (SP)
4.3 --- Beverino (SP)
5.0 --- Rocchetta di Vara (SP)
6.8 --- Borghetto di Vara (SP)
6.8 --- Brugnato (SP)
8.0 --- Follo (SP)
8.1 --- Bolano (SP)
8.3 --- Pignone (SP)
8.3 --- Ricco del Golfo di Spezia (SP)
10.0 --- Zignago (SP)
11.0 --- Vezzano Ligure (SP)
11.0 --- Podenzana (MS)
11.1 --- Santo Stefano di Magra (SP)
11.4 --- Tresana (MS)
12.2 --- Carrodano (SP)
12.4 --- Mulazzo (MS)
13.0 --- Aulla (MS)
13.1 --- La Spezia (SP)
13.2 --- Sesta Godano (SP)
13.2 --- Carro (SP)

Quality location estimate:
Erh: 1.2 km, Erz: 3.5 km, Nf: 13, Gap: 123°, Rms: 0.278 s
Stazioni validate: 10


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.
PLMAIV2025-11-08 04:56:34.6690.01000.001.562025-11-08 04:56:37.3690.0591-0.301.1020.6
MSSAIV--:---.-----.---.--2025-11-08 04:56:39.3070.1432-0.261.2626.0
EQUIGU2025-11-08 04:56:36.3300.10120.001.402025-11-08 04:56:40.1390.0831-0.380.9929.1
GRAMGU2025-11-08 04:56:37.3400.01800.001.542025-11-08 04:56:41.9100.1082-0.101.4136.7
VLCMN--:---.-----.---.--2025-11-08 04:56:44.3600.1382-0.980.3947.2
GORRGU--:---.-----.---.--2025-11-08 04:56:48.5800.3902-0.760.6859.4
MAIMGU--:---.-----.---.--2025-11-08 04:56:49.5200.4802-1.170.4164.9
RNCAGU--:---.-----.---.--2025-11-08 04:56:52.3890.3392-0.170.9973.6
PIIIV--:---.-----.---.--2025-11-08 04:56:54.5900.4152-0.570.8180.3
ZCCAIV--:---.-----.---.--2025-11-08 04:57:00.3300.3922-1.080.4794.4


RsniPicker2 - Automatic magnitude (ML) calculation results
Station Net Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth Used
PLMA IV0.901.93e-120.6169SI
MSSA IV0.708.25e-226.0294SI
EQUI GU0.604.98e-229.1103SI
GRAM GU0.505.30e-236.735SI
GORR GU0.902.35e-259.4316SI
MAIM GU1.204.20e-264.9122SI
RNCA GU0.901.74e-273.6292SI
PII IV0.901.48e-280.3134SI
ZCCA IV1.201.63e-294.481SI


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.
(°)
PLMA IVHHZ1.9541e-52.2624e-60.0000e+08.0150e-71.5163e-62.2208e-62.2415e-52.0455e-62.1985e-73.6698e-820.6169
PLMA IVHHN4.1528e-54.5687e-60.0000e+01.0834e-62.1108e-62.1108e-62.7778e-52.7065e-62.6090e-74.6194e-820.6169
PLMA IVHHE4.7841e-54.7734e-60.0000e+01.1317e-62.0685e-62.9751e-63.3135e-53.1458e-62.9201e-74.7314e-820.6169
MSSA IVHHZ1.4675e-61.9573e-70.0000e+01.0538e-71.9529e-72.8443e-75.8481e-63.3419e-75.9046e-86.4394e-926.0294
MSSA IVHHN2.1124e-63.5507e-70.0000e+01.7171e-73.0565e-73.0565e-73.9764e-65.8872e-76.3129e-87.7027e-926.0294
MSSA IVHHE1.3030e-62.4164e-70.0000e+01.1473e-72.3250e-73.4219e-73.5662e-64.9280e-71.1284e-74.6414e-926.0294
EQUI GUHHZ3.5302e-64.0190e-70.0000e+02.7132e-74.9654e-77.2024e-76.4970e-61.0578e-61.1506e-71.3061e-829.1103
EQUI GUHHN4.9936e-69.9679e-70.0000e+03.6933e-76.9556e-76.9556e-76.8191e-61.5228e-61.9760e-71.5294e-829.1103
EQUI GUHHE4.7845e-66.6707e-70.0000e+02.7090e-75.1993e-77.6257e-71.0290e-55.8132e-71.6755e-71.6956e-829.1103
GRAM GUHHZ4.5128e-64.7511e-70.0000e+02.5635e-74.3844e-76.2179e-75.3547e-68.1258e-71.6038e-71.6756e-836.735
GRAM GUHHN4.2775e-66.1985e-70.0000e+05.0027e-78.1136e-78.1136e-79.9560e-62.9584e-61.3428e-72.0613e-836.735
GRAM GUHHE3.9674e-66.1232e-70.0000e+05.5648e-78.9588e-71.1940e-68.5031e-62.6779e-61.3506e-71.7698e-836.735
VLC MNHHZ1.7014e-62.7744e-70.0000e+01.0455e-72.0697e-74.0738e-72.4649e-62.3996e-71.5840e-72.4740e-847.2-1
VLC MNHHN2.5898e-63.2767e-70.0000e+01.6464e-73.0842e-73.0842e-74.3106e-63.6574e-71.3428e-71.5624e-847.2-1
VLC MNHHE2.2078e-64.1133e-70.0000e+01.7922e-73.3591e-75.1752e-73.8103e-63.8317e-71.8434e-72.1696e-847.2-1
GORR GUHHZ1.5101e-62.3469e-70.0000e+02.0732e-73.3121e-74.6063e-74.3864e-68.9346e-71.0019e-71.8190e-859.4316
GORR GUHHN1.4984e-62.3767e-70.0000e+02.2411e-74.1273e-74.1273e-74.7507e-61.1103e-61.4481e-71.3133e-859.4316
GORR GUHHE1.7711e-62.6585e-70.0000e+02.3196e-73.9023e-75.4960e-76.9227e-68.0586e-71.3388e-71.5027e-859.4316
MAIM GUHHZ1.0443e-62.3380e-70.0000e+01.4985e-72.6830e-73.8775e-73.0241e-65.5355e-78.8221e-81.1706e-864.9122
MAIM GUHHN1.7801e-62.3656e-70.0000e+02.2344e-73.6629e-73.6629e-73.6836e-69.0323e-78.2943e-81.4392e-864.9122
MAIM GUHHE1.7195e-65.0774e-70.0000e+02.8481e-75.5168e-78.5394e-73.7503e-61.2390e-61.7014e-72.1840e-864.9122
RNCA GUHHZ1.0793e-52.3259e-60.0000e+01.6438e-63.2971e-65.9481e-63.5806e-56.2057e-62.6939e-62.6460e-773.6292
RNCA GUHHN1.2067e-52.0523e-60.0000e+01.7048e-63.3954e-63.3954e-62.8259e-54.8796e-62.4891e-62.5503e-773.6292
RNCA GUHHE1.8291e-53.7141e-60.0000e+02.5168e-64.5556e-67.2140e-66.0335e-56.9752e-63.5212e-62.2796e-773.6292
PII IVHHZ4.8335e-71.0575e-70.0000e+08.8124e-81.5651e-72.2192e-71.1431e-64.0246e-75.1877e-86.6229e-980.3134
PII IVHHN6.4333e-71.3253e-70.0000e+01.2551e-72.2293e-72.2293e-71.6576e-64.6259e-75.1331e-85.7802e-980.3134
PII IVHHE8.3037e-71.4703e-70.0000e+01.0856e-72.0332e-72.9692e-73.0192e-63.4039e-76.7915e-87.7620e-980.3134
ZCCA IVHHZ2.0738e-77.2095e-80.0000e+02.7210e-87.5032e-81.5345e-72.7162e-71.4244e-78.1752e-81.5423e-894.481
ZCCA IVHHN3.8889e-79.6051e-80.0000e+03.8945e-81.0427e-71.0427e-73.6832e-72.1333e-78.2374e-81.6237e-894.481
ZCCA IVHHE4.9241e-79.0869e-80.0000e+03.9970e-88.7654e-81.6460e-74.6242e-71.9105e-77.2272e-81.6212e-894.481
*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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