AUTOMATIC Location - Area: Lunigiana , magnitude (ML): 1.3
2025-11-16 00:09:17 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-11-16 00:13:40

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Earthquake info - RsniPicker2 automatic location
Event - ID :251116000824
Magnitude (ML) :1.3 +/- 0.2
Origin Time :2025-11-16 00:09:17.32 (UTC)
Location : Latitude: 44.300 N, Longitude: 9.801 E
Area :Lunigiana
Depth (km) :56.69
Distances (km) : 5.2 --- Zignago (SP)
6.3 --- Rocchetta di Vara (SP)
6.6 --- Zeri (MS)
6.8 --- Calice al Cornoviglio (SP)
7.4 --- Mulazzo (MS)
9.2 --- Brugnato (SP)
10.1 --- Sesta Godano (SP)
10.4 --- Borghetto di Vara (SP)
10.9 --- Pontremoli (MS)
11.4 --- Filattiera (MS)
11.6 --- Carro (SP)
11.8 --- Beverino (SP)
12.0 --- Villafranca in Lunigiana (MS)
13.2 --- Carrodano (SP)
13.2 --- Tresana (MS)
14.4 --- Bolano (SP)
14.8 --- Pignone (SP)
15.2 --- Podenzana (MS)
15.6 --- Bagnone (MS)
15.9 --- Follo (SP)

Quality location estimate:
Erh: 2.3 km, Erz: 2 km, Nf: 12, Gap: 137°, Rms: 0.119 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.
MSSAIV--:---.-----.---.--2025-11-16 00:09:33.7000.21320.031.0361.0
GRAMGU2025-11-16 00:09:27.5900.03000.021.382025-11-16 00:09:35.0040.1972-0.061.0164.1
GORRGU2025-11-16 00:09:29.1500.0410-0.031.342025-11-16 00:09:38.1390.23320.310.7177.5
CARDGU--:---.-----.---.--2025-11-16 00:09:38.8200.4292-0.440.5084.2
MAIMGU2025-11-16 00:09:30.9300.04200.021.312025-11-16 00:09:41.0400.27420.040.8690.0
RNCAGU2025-11-16 00:09:30.2700.0410-0.101.192025-11-16 00:09:39.7790.27120.180.8290.2
PIIIV2025-11-16 00:09:33.1500.05310.141.102025-11-16 00:09:44.5800.3102-0.130.75103.4


RsniPicker2 - Automatic magnitude (ML) calculation results
Station Net Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth Used
MSSA IV1.003.41e-261.0275SI
GRAM GU1.309.16e-264.145SI
GORR GU1.607.47e-277.5310SI
CARD GU1.504.28e-284.2119SI
MAIM GU1.201.76e-290.0128SI
RNCA GU1.202.21e-290.2286SI
PII IV1.201.66e-2103.4138SI


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.
(°)
MSSA IVHHZ5.4001e-77.7121e-80.0000e+04.8175e-89.6648e-81.6806e-71.4372e-61.4614e-77.0914e-88.5130e-961.0275
MSSA IVHHN6.9722e-71.0567e-70.0000e+07.0199e-81.3482e-71.3482e-72.1828e-61.9187e-77.8120e-89.3431e-961.0275
MSSA IVHHE5.5184e-71.3268e-70.0000e+08.9776e-81.7422e-72.4715e-71.5222e-62.9899e-75.0674e-87.7100e-961.0275
GRAM GUHHZ2.6962e-64.4521e-70.0000e+04.1280e-77.0962e-79.4630e-76.0105e-61.6993e-61.4627e-71.4301e-864.145
GRAM GUHHN3.5505e-67.2915e-70.0000e+07.1733e-71.1174e-61.1174e-69.6069e-64.5553e-62.4582e-72.3605e-864.145
GRAM GUHHE4.1253e-61.2152e-60.0000e+08.8551e-71.6243e-62.2779e-69.7145e-63.4350e-62.7174e-72.8410e-864.145
GORR GUHHZ3.0298e-65.6168e-70.0000e+04.0005e-76.8534e-79.6750e-79.0045e-61.0820e-61.3256e-71.7262e-877.5310
GORR GUHHN3.5928e-61.0377e-60.0000e+06.3697e-71.0925e-61.0925e-68.8553e-62.1682e-61.5002e-72.5287e-877.5310
GORR GUHHE5.3458e-61.0707e-60.0000e+07.4828e-71.3354e-61.8763e-62.1487e-51.8755e-61.7562e-72.6208e-877.5310
CARD GUHHZ4.1745e-65.1777e-70.0000e+02.5386e-74.9731e-77.6235e-79.6007e-66.0079e-77.1726e-81.1792e-884.2119
CARD GUHHN6.6387e-67.9784e-70.0000e+05.6306e-79.2413e-79.2413e-71.2024e-51.4147e-61.2941e-71.9598e-884.2119
CARD GUHHE4.9145e-66.2794e-70.0000e+04.7132e-78.1404e-71.1430e-69.1256e-61.5541e-69.3707e-82.0026e-884.2119
MAIM GUHHZ1.1589e-61.8502e-70.0000e+09.1818e-81.6242e-72.6205e-71.5812e-63.4283e-78.2904e-81.0184e-890.0128
MAIM GUHHN1.2316e-62.2588e-70.0000e+02.1410e-73.4071e-73.4071e-73.8939e-69.2453e-71.0468e-71.1422e-890.0128
MAIM GUHHE1.3734e-61.7615e-70.0000e+01.4736e-72.5894e-73.6371e-73.9420e-65.7174e-71.1002e-71.6418e-890.0128
RNCA GUHHZ2.8924e-54.3498e-60.0000e+02.2317e-64.6358e-68.1037e-65.9230e-56.4618e-64.4683e-63.4000e-790.2286
RNCA GUHHN3.0761e-54.5849e-60.0000e+01.9506e-63.9561e-63.9561e-66.4372e-56.4536e-63.3787e-63.1835e-790.2286
RNCA GUHHE4.0432e-56.0281e-60.0000e+03.6651e-66.8038e-61.0175e-51.1623e-41.1060e-53.6741e-62.3115e-790.2286
PII IVHHZ8.3152e-71.8539e-70.0000e+01.3492e-72.2521e-73.1766e-71.1891e-63.5207e-74.1020e-87.6884e-9103.4138
PII IVHHN7.7051e-72.4665e-70.0000e+01.5445e-72.7692e-72.7692e-72.0537e-66.8257e-74.1862e-86.3900e-9103.4138
PII IVHHE1.1040e-62.7041e-70.0000e+01.5756e-73.1454e-74.5671e-74.3771e-64.5949e-75.5507e-85.9328e-9103.4138
*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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