MANUAL Location - Area: Svizzera , magnitude (ML): 0.9
2025-08-10 03:34:30 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-08-11 09:07:47

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Earthquake info - Manual location
Event - ID :250810033410
Magnitude (ML) :0.9 +/- 0.2
Origin Time :2025-08-10 03:34:30.074 (UTC)
Location : Latitude: 46.047 N, Longitude: 6.659 E
Area :Svizzera
Depth (km) :4.98
Distances (km) : 37.3 --- Courmayeur
40.4 --- Pre -Saint-Didier
42.8 --- La Thuile
43.4 --- Morgex
46.2 --- La Salle
47.3 --- Saint-Rhemy-En-Bosses
49.3 --- Saint-Oyen
50.7 --- Etroubles
52.8 --- Avise
53.7 --- Saint-Nicolas
54.2 --- Allein
54.7 --- Arvier
54.8 --- Ollomont
55.8 --- Valgrisenche
56.1 --- Doues
56.9 --- Introd
57.1 --- Valpelline
57.1 --- Villeneuve
57.4 --- Gignod
57.8 --- Saint-Pierre

Quality location estimate: Erh: 1.9 km, Erz: 2.5 km, Nf: 24, Gap: 231 °, Rms: 0.25


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.
BLANCGU2025-08-10 03:34:36.6640.02000.031.632025-08-10 03:34:40.6200.0832-0.540.7132.1
COURMFR2025-08-10 03:34:37.9850.02000.790.012025-08-10 03:34:41.6300.1153-0.420.9035.1
RSLFR2025-08-10 03:34:37.7490.0200-0.081.682025-08-10 03:34:42.1400.6439-1.020.4640.3
MRGEIV2025-08-10 03:34:38.8000.00700.051.522025-08-10 03:34:44.5900.1213-0.151.3944.3
REMYGU2025-08-10 03:34:39.2400.01300.071.402025-08-10 03:34:45.5500.12430.071.2345.5
DIXCH2025-08-10 03:34:41.4600.0200-0.011.622025-08-10 03:34:48.9400.1635-0.430.9658.0
SENINCH2025-08-10 03:34:41.5780.0200-0.520.722025-08-10 03:34:49.4980.0400-1.170.2260.9
LSDGU2025-08-10 03:34:43.9970.02000.390.202025-08-10 03:34:52.7200.2517-0.211.1175.3
LAUCHCH2025-08-10 03:34:47.3800.0200-0.271.202025-08-10 03:34:59.0750.4709-1.030.4495.1
SATIGU2025-08-10 03:34:47.2980.1205-0.181.332025-08-10 03:34:58.7740.0400-1.190.2495.7
LATOIV2025-08-10 03:34:48.2370.0200-0.081.442025-08-10 03:34:59.9780.0400-0.750.56103.9


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
BLANCGUHH0.634.65e-232.1137
COURMFRHH1.131.26e-135.1137
MRGE IVHH0.934.20e-244.3135
REMY GUHH0.813.55e-245.5121
DIX CHHH1.276.19e-258.086
SENINCHHH0.902.40e-260.954
LSD GUHH0.566.91e-375.3150
LAUCHCHHH1.111.44e-295.164
SATI GUHH0.955.70e-395.7101


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.
(°)
BLANCGUHHZ3.1425e-65.4948e-72.8311e-77.6903e-84.0336e-88.6247e-62.2002e-66.7041e-81.2656e-832.1137
BLANCGUHHN6.0057e-66.7604e-73.4743e-79.6355e-85.1348e-81.1033e-51.2042e-68.2374e-81.5590e-832.1137
BLANCGUHHE6.4891e-68.3626e-75.1678e-71.5935e-76.3272e-81.3515e-53.2782e-69.1636e-81.6192e-832.1137
COURMFRHHZ1.4948e-51.7267e-66.2587e-71.4527e-78.0969e-84.1923e-52.9483e-61.4950e-73.7149e-835.1137
COURMFRHHN1.7956e-52.5792e-61.2274e-63.1975e-71.3655e-76.5279e-55.1063e-62.3112e-75.1108e-835.1137
COURMFRHHE1.1592e-51.6800e-61.0268e-63.5815e-71.3441e-73.9766e-53.0172e-62.0889e-74.0625e-835.1137
MRGE IVHHZ6.0914e-65.9465e-72.2610e-79.3986e-84.6087e-83.0980e-61.2546e-68.0901e-81.4205e-844.3135
MRGE IVHHN1.0513e-59.3741e-72.9613e-71.0230e-74.5012e-88.8464e-61.6517e-67.3126e-81.6477e-844.3135
MRGE IVHHE7.9394e-67.7117e-72.7452e-71.4541e-76.5097e-86.9767e-61.3699e-61.0355e-71.5541e-844.3135
REMY GUHHZ2.1846e-63.3487e-71.9226e-75.6332e-83.0379e-85.0041e-68.4669e-74.3082e-86.5192e-945.5121
REMY GUHHN3.5593e-66.4219e-73.5882e-71.0497e-75.1410e-89.4071e-61.2810e-67.3026e-81.3232e-845.5121
REMY GUHHE3.3535e-64.1058e-72.3797e-78.9755e-83.6550e-88.6163e-68.9074e-75.8637e-81.0146e-845.5121
DIX CHHHZ3.0752e-66.2055e-74.1937e-71.4922e-77.1385e-88.4327e-62.8111e-61.0405e-71.3389e-858.086
DIX CHHHN5.9102e-61.0303e-66.6004e-71.8831e-79.6675e-81.6052e-53.0747e-61.3734e-72.5067e-858.086
DIX CHHHE4.5171e-66.5285e-73.2729e-71.0201e-74.2513e-81.0785e-51.3741e-66.8726e-81.5272e-858.086
SENINCHHHZ2.6864e-63.8144e-72.4530e-71.0331e-74.2884e-89.3378e-61.1158e-65.9237e-89.7317e-960.954
SENINCHHHN1.8268e-63.2636e-72.0950e-76.7912e-83.0888e-85.0471e-61.0029e-65.5163e-87.4770e-960.954
SENINCHHHE2.9077e-64.8013e-72.5468e-78.0277e-84.0735e-85.9415e-61.1219e-66.4632e-81.1563e-860.954
LSD GUHHZ1.1835e-61.1888e-75.2078e-81.6898e-86.9261e-92.7575e-61.9488e-71.1663e-82.6115e-975.3150
LSD GUHHN2.2411e-62.0825e-76.1045e-81.6381e-87.4590e-93.5429e-62.2641e-71.6237e-83.9903e-975.3150
LSD GUHHE1.4758e-61.8451e-77.9187e-81.9156e-88.8910e-92.4574e-62.7592e-71.6418e-83.3596e-975.3150
LAUCHCHHHZ9.7892e-71.3211e-75.3177e-81.7877e-87.1441e-92.8426e-61.8135e-71.2664e-82.9440e-995.164
LAUCHCHHHN8.6738e-71.2149e-78.1174e-82.7355e-81.1477e-82.9033e-62.3228e-71.7094e-82.9559e-995.164
LAUCHCHHHE1.1252e-62.0822e-71.3120e-73.2876e-81.8891e-83.3941e-64.1924e-73.0584e-85.1136e-995.164
SATI GUHHZ3.9670e-76.6310e-83.1050e-89.3395e-94.5504e-91.2332e-61.0167e-77.3963e-91.1098e-995.7101
SATI GUHHN7.9877e-71.0795e-74.3738e-81.3652e-86.1171e-91.5727e-61.6463e-79.0734e-92.0531e-995.7101
SATI GUHHE7.9023e-71.1099e-75.0958e-81.5090e-87.9733e-92.1198e-61.6141e-71.1013e-82.5659e-995.7101
*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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