MANUAL Location - Area: Alpi Marittime , magnitude (ML): 0.8
2025-07-10 07:29:36 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-07-10 08:38:09

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Earthquake info - Manual location
Event - ID :250710072739
Magnitude (ML) :0.8 +/- 0.2
Origin Time :2025-07-10 07:29:36.637 (UTC)
Location : Latitude: 44.207 N, Longitude: 7.343 E
Area :Alpi Marittime
Depth (km) :5.73
Distances (km) : 5.8 --- Entracque
9.0 --- Valdieri
11.3 --- Roaschia
12.7 --- Demonte
13.2 --- Moiola
14.9 --- Valloriate
15.2 --- Gaiola
15.5 --- Aisone
15.7 --- Vernante
16.3 --- Roccavione
16.6 --- Robilante
16.6 --- Rittana
16.8 --- Roccasparvera
17.6 --- Vinadio
18.0 --- Borgo San Dalmazzo
18.6 --- Limone Piemonte
19.8 --- Vignolo
21.2 --- Bernezzo
21.5 --- Boves
22.0 --- Cervasca

Quality location estimate: Erh: 0.8 km, Erz: 0.4 km, Nf: 12, Gap: 138 °, Rms: 0.06


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.
STVGU2025-07-10 07:29:38.2800.0070-0.121.182025-07-10 07:29:38.9940.0400-0.620.008.0
ENRGU2025-07-10 07:29:38.6700.00800.031.592025-07-10 07:29:39.9970.0400-0.041.769.4
VINDIV2025-07-10 07:29:40.4590.02000.041.512025-07-10 07:29:42.9530.0400-0.011.7018.5
TURFFR2025-07-10 07:29:43.9800.02211.880.002025-07-10 07:29:48.3350.04002.290.0026.8
PZZGU2025-07-10 07:29:44.1300.0200-0.071.542025-07-10 07:29:47.5860.0400-1.900.0038.5
GBOSGU2025-07-10 07:29:44.0490.0200-0.071.572025-07-10 07:29:49.2180.04000.051.1540.3


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
STV GUHH0.917.32e-18.0342
ENR GUHH0.798.62e-19.468
PZZ GUHH0.524.30e-238.5332
GBOS GUHH1.134.93e-240.384


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.
(°)
STV GUHHZ2.1501e-55.6924e-64.4143e-62.2379e-61.1925e-69.1241e-52.5892e-51.6161e-61.8940e-78.0342
STV GUHHN1.9146e-54.3155e-63.7638e-62.7947e-61.3501e-65.5865e-51.9889e-51.9024e-61.6606e-78.0342
STV GUHHE2.4791e-55.8474e-64.6012e-64.3046e-61.7631e-66.1571e-52.3974e-52.2572e-62.3159e-78.0342
ENR GUHHZ1.2113e-53.5940e-62.9462e-62.8767e-61.6509e-62.3585e-51.3864e-51.8462e-61.3167e-79.468
ENR GUHHN2.9523e-57.3379e-65.8139e-65.5604e-61.9867e-63.8882e-54.7266e-52.3553e-62.1050e-79.468
ENR GUHHE2.6023e-56.2826e-64.3871e-64.5140e-61.7840e-63.5287e-52.6378e-52.2409e-62.0674e-79.468
TURF FRHHZ2.6094e-77.4429e-87.5118e-86.8307e-82.8900e-86.6617e-74.3048e-73.3191e-82.4583e-926.8171
TURF FRHHN3.1555e-79.0635e-88.2797e-86.4119e-82.3176e-87.6313e-73.5622e-73.0833e-82.6542e-926.8171
TURF FRHHE2.7462e-79.6040e-81.0917e-78.3562e-83.4394e-87.7414e-76.2272e-73.9550e-84.1459e-926.8171
PZZ GUHHZ1.3505e-63.4599e-73.0759e-71.5475e-75.1633e-82.9378e-62.1223e-65.9101e-89.5103e-938.5332
PZZ GUHHN1.0383e-63.4796e-73.4385e-72.4630e-78.4661e-82.8558e-61.3837e-69.9602e-81.0256e-838.5332
PZZ GUHHE1.2038e-63.1350e-73.3684e-72.8104e-71.2088e-74.5953e-61.4758e-61.2560e-71.0818e-838.5332
GBOS GUHHZ6.9131e-71.4791e-71.4068e-77.4458e-82.7217e-83.0354e-65.4298e-73.4760e-84.1325e-940.384
GBOS GUHHN8.3060e-61.3727e-63.5321e-71.3913e-77.4594e-81.1747e-51.5526e-61.2839e-72.9404e-840.384
GBOS GUHHE7.3894e-71.3344e-71.3480e-76.0792e-82.1957e-82.8681e-64.7336e-72.5861e-83.8013e-940.384
*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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