AUTOMATIC Location - Area: Riviera di ponente , magnitude (ML): -0.1
2025-10-08 10:06:27 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-10-08 10:10:35

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Earthquake info - RsniPicker2 automatic location
Event - ID :251008100549
Magnitude (ML) :-0.1 +/- 0.2
Origin Time :2025-10-08 10:06:27.58 (UTC)
Location : Latitude: 44.097 N, Longitude: 8.064 E
Area :Riviera di ponente
Depth (km) :2.54
Distances (km) : 2.1 --- Castelbianco (SV)
2.2 --- Vendone (SV)
3.1 --- Nasino (SV)
3.1 --- Onzo (SV)
4.1 --- Arnasco (SV)
4.5 --- Zuccarello (SV)
4.9 --- Aquila di Arroscia (IM)
5.0 --- Alto (CN)
5.5 --- Ortovero (SV)
5.6 --- Erli (SV)
5.7 --- Ranzo (IM)
5.7 --- Castelvecchio di Rocca Barbena (SV)
6.7 --- Cisano sul Neva (SV)
7.2 --- Casanova Lerrone (SV)
7.4 --- Garlenda (SV)
7.8 --- Borghetto d Arroscia (IM)
8.5 --- Villanova d Albenga (SV)
9.0 --- Caprauna (CN)
9.4 --- Balestrino (SV)
9.8 --- Vessalico (IM)

Quality location estimate:
Erh: 1.3 km, Erz: 0.7 km, Nf: 9, Gap: 206°, Rms: 0.074 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.
ROROGU2025-10-08 10:06:28.3600.0010-0.071.222025-10-08 10:06:29.0490.00900.021.563.1
MGROGU2025-10-08 10:06:32.2590.0110-0.011.682025-10-08 10:06:35.5800.2192-0.180.6221.4
GBOSGU2025-10-08 10:06:32.4000.01200.011.622025-10-08 10:06:34.5200.4292-1.130.0824.2
IMIGU2025-10-08 10:06:32.7590.01200.001.662025-10-08 10:06:36.1720.2382-0.520.2224.9
TURFFR--:---.-----.---.--2025-10-08 10:06:45.6190.4932-0.440.3455.4


RsniPicker2 - Automatic magnitude (ML) calculation results
Station Net Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth Used
RORO GU-0.502.46e-13.17SI
MGRO GU0.103.06e-221.4254SI
GBOS GU0.101.23e-224.2312SI
IMI GU0.002.24e-224.9213SI


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.
(°)
*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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