MANUAL Location - Area: Riviera di ponente , magnitude (ML): -0.1
2026-01-08 09:39:01 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2026-01-08 09:45:06

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Earthquake info - Manual location
Event - ID :260108093740
Magnitude (ML) :-0.1 +/- 0.1
Origin Time :2026-01-08 09:39:01.035 (UTC)
Location : Latitude: 43.965 N, Longitude: 7.810 E
Area :Riviera di ponente
Depth (km) :2.96
Distances (km) : 4.1 --- Molini di Triora
4.5 --- Carpasio
4.7 --- Triora
4.9 --- Montalto Ligure
6.2 --- Badalucco
8.2 --- Rezzo
9.1 --- Aurigo
9.6 --- Ceriana
9.8 --- Baiardo
10.9 --- Borgomaro
11.1 --- Pietrabruna
11.1 --- Prela
11.4 --- Montegrosso Pian Latte
11.5 --- Castel Vittorio
11.9 --- Taggia
12.0 --- Vasia
12.0 --- Castellaro
12.2 --- Pigna
12.3 --- Lucinasco
12.4 --- Caravonica

Quality location estimate: Erh: 0.8 km, Erz: 0.9 km, Nf: 12, Gap: 133 °, Rms: 0.13


Manual location results
Station Net P arrival time P pick
err
P pick
weight
P res Nll
weight
S arrival time S pick
err
S pick
weight
S res Nll
weight
Dist.
MGROGU2026-01-08 09:39:03.4800.01200.021.592026-01-08 09:39:05.2760.0501-0.061.329.8
IMIGU2026-01-08 09:39:03.2600.01200.011.612026-01-08 09:39:04.7320.2356-0.230.759.8
MLIGIV2026-01-08 09:39:03.3700.0200-0.460.312026-01-08 09:39:05.1230.0400-0.860.0010.8
BIGNGU2026-01-08 09:39:03.8190.0200-0.031.602026-01-08 09:39:05.6000.0290-0.380.4512.7
SAOFFR2026-01-08 09:39:05.6200.02000.011.622026-01-08 09:39:09.0800.0400-0.011.3720.9
TURFFR2026-01-08 09:39:07.7990.0200-0.270.422026-01-08 09:39:13.0920.1303-0.080.9633.6


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
MGRO GUHH-0.019.31e-29.8359
IMI GUHH-0.296.51e-29.8132
BIGN GUEH-0.144.39e-212.7209
SAOF FRHH-0.221.46e-220.9277
TURF FRHH0.131.34e-233.6272


Results of PGA, PGV, IH, spectral amplitudes (SA) values calculation
Station Net Channel PGA
(g)
PGV
(m/s)
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.
(°)
MGRO GUHHZ4.1366e-65.4582e-72.5385e-73.7868e-71.8798e-72.9549e-69.5622e-72.0820e-71.6332e-89.8359
MGRO GUHHN3.2562e-64.1493e-72.1660e-74.0767e-72.1312e-73.5430e-61.5772e-62.3040e-71.6299e-89.8359
MGRO GUHHE2.5318e-65.2153e-74.0776e-75.7270e-72.8087e-74.5844e-62.0315e-63.0006e-72.2712e-89.8359
IMI GUHHZ1.9721e-63.0360e-71.9551e-71.4536e-79.3051e-84.2479e-68.2450e-71.1905e-77.1880e-99.8132
IMI GUHHN5.7705e-68.3806e-75.8976e-71.7613e-79.3531e-88.8527e-62.2506e-61.4851e-72.3220e-89.8132
IMI GUHHE2.6468e-64.0009e-73.1644e-72.2339e-77.4614e-85.9005e-61.4423e-69.0053e-81.2092e-89.8132
BIGN GUEHZ2.8573e-64.8365e-72.1172e-79.9278e-83.8554e-82.7662e-61.2250e-65.7573e-89.1285e-912.7209
BIGN GUEHN4.2501e-66.3657e-72.9815e-71.4403e-77.8125e-86.9157e-61.2025e-69.0079e-81.0790e-812.7209
BIGN GUEHE3.7126e-66.3731e-73.5198e-71.4863e-77.0571e-86.1391e-61.9636e-61.0474e-71.4647e-812.7209
SAOF FRHHZ2.7755e-71.0959e-78.6311e-84.7730e-82.2087e-86.0919e-76.8195e-72.9327e-84.1970e-920.9277
SAOF FRHHN2.4865e-77.1791e-87.0216e-87.3088e-84.9508e-87.0536e-74.9053e-75.7820e-83.5976e-920.9277
SAOF FRHHE3.3577e-79.5154e-89.1615e-88.0476e-84.7099e-86.4518e-76.0174e-75.1245e-83.8656e-920.9277
TURF FRHHZ2.3429e-71.0279e-72.6932e-84.3716e-89.3244e-83.7747e-71.3703e-71.7159e-72.1922e-833.6272
TURF FRHHN4.0831e-79.9861e-84.1739e-84.5947e-87.1422e-84.6678e-71.7422e-71.2093e-71.6239e-833.6272
TURF FRHHE2.6961e-74.9504e-83.5958e-84.1488e-83.5660e-86.1941e-72.1822e-74.2738e-82.6777e-933.6272
*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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