MANUAL Location - Area: Alpi Graie , magnitude (ML): 0.3
2025-07-14 04:31:10 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-07-14 08:10:34

20 km
Lat : Lon
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Earthquake info - Manual location
Event - ID :250714042939
Magnitude (ML) :0.3 +/- 0.2
Origin Time :2025-07-14 04:31:10.001 (UTC)
Location : Latitude: 45.136 N, Longitude: 7.202 E
Area :Alpi Graie
Depth (km) :6.52
Distances (km) : 1.0 --- Bruzolo
1.1 --- San Didero
2.0 --- San Giorio di Susa
3.0 --- Chianocco
3.2 --- Borgone Susa
3.5 --- Villar Focchiardo
4.3 --- Bussoleno
6.5 --- Sant Antonino di Susa
6.9 --- Mattie
7.9 --- Vaie
8.8 --- Condove
10.2 --- Caprie
10.4 --- Chiusa di San Michele
10.5 --- Meana di Susa
11.0 --- Usseglio
11.8 --- Susa
12.0 --- Coazze
12.6 --- Lemie
12.8 --- Valgioie
13.0 --- Mompantero

Quality location estimate: Erh: 1.3 km, Erz: 1 km, Nf: 10, Gap: 118 °, 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.
RSPGU2025-07-14 04:31:12.2100.00400.081.342025-07-14 04:31:13.5200.0230-0.031.739.3
BHBGU2025-07-14 04:31:15.8050.0200-0.600.022025-07-14 04:31:19.4210.0400-1.450.0434.5
LSDGU2025-07-14 04:31:17.0050.02000.011.822025-07-14 04:31:21.5900.1002-0.210.9337.4
RRLGU2025-07-14 04:31:17.7680.02000.041.682025-07-14 04:31:22.9040.0400-0.161.1041.2
CIROGU2025-07-14 04:31:21.1340.0200-0.121.312025-07-14 04:31:27.0190.0400-1.880.0459.8


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
RSP GUHH0.503.51e-19.374
BHB GUHH0.321.81e-234.5172
LSD GUHH0.089.75e-337.4352
CIRO GUHH0.485.11e-359.829


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.
(°)
RSP GUHHZ5.2738e-55.3822e-68.7765e-72.4564e-71.5488e-77.9255e-52.9348e-63.8304e-71.0560e-79.374
RSP GUHHN5.7903e-55.8629e-61.2621e-63.7714e-72.4240e-79.4923e-54.8010e-64.9468e-71.0662e-79.374
RSP GUHHE8.1017e-59.3559e-62.1637e-66.5948e-74.2794e-79.0070e-57.7874e-68.1814e-71.7745e-79.374
BHB GUHHZ1.2627e-62.3771e-79.8263e-83.6656e-81.5412e-83.0967e-62.7101e-72.2665e-84.6615e-934.5172
BHB GUHHN2.0673e-63.0326e-71.5963e-73.9790e-81.8480e-85.7885e-68.9405e-73.0578e-86.7215e-934.5172
BHB GUHHE1.9683e-63.7719e-71.6769e-74.3892e-82.2483e-84.2636e-66.5971e-73.7164e-87.7596e-934.5172
LSD GUHHZ1.6029e-62.2132e-77.8408e-83.6049e-81.3822e-83.5325e-62.5943e-72.0483e-84.2539e-937.4352
LSD GUHHN1.7733e-61.8842e-76.6920e-81.8458e-81.0017e-82.0515e-63.6017e-71.7126e-83.8580e-937.4352
LSD GUHHE2.1970e-62.1292e-78.6916e-83.4388e-81.2715e-83.6264e-63.6184e-72.1854e-84.7206e-937.4352
RRL GUHHZ3.2345e-73.0217e-81.1091e-86.5978e-94.1746e-95.1012e-73.7317e-85.1610e-97.9941e-1041.2234
RRL GUHHN2.4961e-73.2246e-81.9514e-89.5655e-94.6283e-96.4273e-78.0980e-86.7459e-97.6741e-1041.2234
RRL GUHHE2.1641e-72.8649e-81.6462e-88.6236e-94.6608e-94.8815e-78.2248e-87.8306e-97.4942e-1041.2234
CIRO GUHHZ4.7359e-74.5533e-82.2534e-88.9799e-94.2095e-91.0578e-67.7556e-87.2057e-91.0838e-959.829
CIRO GUHHN7.5654e-77.6764e-82.8185e-89.7339e-95.0260e-91.7425e-68.8581e-88.4033e-91.7165e-959.829
CIRO GUHHE7.3281e-77.9485e-84.2569e-81.9910e-81.4746e-81.4769e-61.5018e-72.7400e-83.0775e-959.829
*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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