MANUAL Location - Area: Alpi Marittime , magnitude (ML): -0.3
2025-06-05 10:08:20 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-06-06 06:50:44

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Earthquake info - Manual location
Event - ID :250605100643
Magnitude (ML) :-0.3 +/- 0.2
Origin Time :2025-06-05 10:08:20.16 (UTC)
Location : Latitude: 44.012 N, Longitude: 7.582 E
Area :Alpi Marittime
Depth (km) :5.96
Distances (km) : 10.8 --- Pigna
11.8 --- Castel Vittorio
13.4 --- Rocchetta Nervina
14.9 --- Triora
15.4 --- Isolabona
15.5 --- Olivetta San Michele
15.6 --- Briga Alta
15.6 --- Molini di Triora
15.7 --- Airole
15.7 --- Apricale
16.4 --- Baiardo
17.4 --- Perinaldo
18.1 --- Dolceacqua
19.2 --- Mendatica
19.8 --- Montegrosso Pian Latte
21.0 --- Limone Piemonte
21.1 --- Ceriana
21.1 --- Soldano
21.3 --- Cosio di Arroscia
22.1 --- Camporosso

Quality location estimate: Erh: 0.4 km, Erz: 0.6 km, Nf: 16, Gap: 108 °, Rms: 0.09


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.
SAOFFR2025-06-05 10:08:21.9700.0130-0.021.832025-06-05 10:08:22.4660.0400-0.930.007.4
MLIGIV2025-06-05 10:08:22.3700.0200-0.680.012025-06-05 10:08:23.6590.0400-1.570.0010.5
TURFFR2025-06-05 10:08:24.1800.02000.190.382025-06-05 10:08:26.7320.0701-0.031.5416.8
MGROGU2025-06-05 10:08:24.2500.0231-0.380.242025-06-05 10:08:27.9500.04000.051.5319.9
BIGNGU2025-06-05 10:08:24.4720.0200-0.001.862025-06-05 10:08:27.3280.0400-0.260.4521.3
IMIGU2025-06-05 10:08:25.6560.02000.031.722025-06-05 10:08:29.5380.0400-0.051.4528.2
ENRGU2025-06-05 10:08:25.6430.02000.011.822025-06-05 10:08:29.2810.0400-0.081.3028.3
MVIFFR2025-06-05 10:08:27.3730.1506-0.230.782025-06-05 10:08:33.0820.04000.111.0937.1


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
TURF FRHH-0.541.04e-216.8255
MGRO GUHH-0.488.84e-319.979
BIGN GUEH-0.181.55e-221.3141
IMI GUHH-0.141.35e-228.2114
ENR GUHH0.052.15e-228.3332


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.
(°)
SAOF FRHHZ3.2328e-55.5175e-62.6046e-67.6040e-75.3920e-76.8164e-51.0940e-58.7977e-71.0469e-77.4218
SAOF FRHHN4.5738e-55.1515e-62.1546e-61.1419e-68.4102e-79.7872e-59.3879e-61.1346e-61.4258e-77.4218
SAOF FRHHE6.2821e-59.1335e-62.9134e-61.1584e-65.7049e-71.1933e-41.0725e-58.1137e-71.5154e-77.4218
TURF FRHHZ5.5884e-71.2065e-79.7625e-88.0137e-82.4912e-88.9880e-73.7849e-72.9837e-83.5029e-916.8255
TURF FRHHN7.0741e-71.1953e-78.0951e-84.8806e-82.1957e-81.2582e-65.6873e-72.5017e-82.8206e-916.8255
TURF FRHHE6.3905e-79.1529e-89.4649e-86.6936e-82.2677e-81.0860e-64.5000e-73.3535e-83.3706e-916.8255
MGRO GUHHZ5.0371e-76.4766e-84.3623e-82.8632e-81.4543e-86.3026e-72.8932e-71.7728e-82.1692e-919.979
MGRO GUHHN4.2181e-78.0932e-86.6894e-86.7076e-83.0130e-87.9663e-74.7750e-72.6781e-82.6612e-919.979
MGRO GUHHE4.3344e-77.7435e-86.0528e-83.1075e-81.5097e-81.2779e-63.5566e-72.1193e-82.3410e-919.979
BIGN GUEHZ9.5614e-71.1072e-75.4744e-82.4854e-81.7110e-81.4703e-62.1150e-72.4727e-82.5709e-921.3141
BIGN GUEHN2.7404e-63.2682e-71.2160e-74.9919e-84.1303e-86.5794e-63.9907e-76.8965e-86.7356e-921.3141
BIGN GUEHE2.0434e-62.6158e-78.7066e-84.2546e-82.2668e-84.3598e-64.5474e-73.7888e-86.3181e-921.3141
IMI GUHHZ7.8299e-71.2894e-78.1199e-82.7545e-81.6373e-81.8918e-63.4031e-72.6752e-83.0387e-928.2114
IMI GUHHN1.5073e-62.4681e-71.2305e-74.1685e-82.0764e-84.5046e-64.5494e-73.7213e-85.7719e-928.2114
IMI GUHHE1.2461e-61.5286e-78.3164e-83.5985e-82.0859e-82.5197e-63.8487e-72.4427e-83.3251e-928.2114
ENR GUHHZ1.6428e-61.7747e-79.7956e-84.1546e-82.0435e-82.7407e-64.3412e-73.0703e-83.6672e-928.3332
ENR GUHHN6.6545e-66.5412e-71.8000e-75.9651e-82.8644e-85.2174e-68.1889e-75.7796e-81.1106e-828.3332
ENR GUHHE5.4550e-65.4637e-71.3871e-74.7865e-82.7721e-84.5508e-66.2041e-75.7369e-81.0233e-828.3332
*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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