AUTOMATIC Location - Area: Alpi Pennine , magnitude (ML): 0.9
2025-10-09 01:26:01 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-10-09 01:29:48

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Earthquake info - RsniPicker2 automatic location
Event - ID :251009012457
Magnitude (ML) :0.9 +/- 0.2
Origin Time :2025-10-09 01:26:01.21 (UTC)
Location : Latitude: 45.910 N, Longitude: 6.998 E
Area :Alpi Pennine
Depth (km) :11.69
Distances (km) : 13.1 --- Courmayeur (AO)
16.2 --- Pre -Saint-Didier (AO)
17.1 --- Saint-Rhemy-En-Bosses (AO)
17.1 --- Morgex (AO)
19.0 --- La Salle (AO)
19.0 --- Saint-Oyen (AO)
20.4 --- Etroubles (AO)
21.7 --- La Thuile (AO)
24.0 --- Allein (AO)
24.8 --- Avise (AO)
25.0 --- Ollomont (AO)
25.1 --- Saint-Nicolas (AO)
26.0 --- Doues (AO)
26.3 --- Arvier (AO)
27.1 --- Valpelline (AO)
27.1 --- Gignod (AO)
28.1 --- Roisan (AO)
28.2 --- Villeneuve (AO)
28.4 --- Introd (AO)
28.5 --- Saint-Pierre (AO)

Quality location estimate:
Erh: 3 km, Erz: 4.8 km, Nf: 12, Gap: 204°, Rms: 0.329 s
Stazioni validate: 9


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.
BLANCGU2025-10-09 01:26:04.8100.0070-0.051.66--:---.-----.---.-- 14.6
COURMFR2025-10-09 01:26:04.6400.00700.061.662025-10-09 01:26:06.0100.4042-0.820.4015.6
REMYGU2025-10-09 01:26:05.4300.0090-0.012.09--:---.-----.---.-- 18.7
MRGEIV2025-10-09 01:26:05.4600.00900.012.112025-10-09 01:26:06.9100.0601-1.400.4320.1
DIXCH2025-10-09 01:26:09.0850.05510.031.652025-10-09 01:26:13.0970.1182-1.340.4338.8
LSDGU--:---.-----.---.--2025-10-09 01:26:16.7000.1582-0.650.2652.5
SATIGU--:---.-----.---.--2025-10-09 01:26:21.1600.2272-1.680.2468.5
MMKCH--:---.-----.---.--2025-10-09 01:26:24.3600.2682-0.220.6677.1
RSPGU--:---.-----.---.--2025-10-09 01:26:26.1000.4022-1.000.4088.0


RsniPicker2 - Automatic magnitude (ML) calculation results
Station Net Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth Used
COURMFR1.105.74e-115.6195SI
REMY GU0.306.43e-218.7123SI
MRGE IV1.102.96e-120.1163SI
DIX CH1.007.98e-238.859SI
LSD GU0.903.61e-252.5168SI
SATI GU0.808.80e-368.593SI
MMK CH0.705.33e-377.178SI
RSP GU0.808.80e-388.0166SI


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.
(°)
BLANCGUHHZ2.1617e-52.9624e-60.0000e+01.7318e-63.2512e-64.6999e-65.6534e-55.1102e-62.9428e-76.2590e-814.6-1
BLANCGUHHN2.7918e-53.4407e-60.0000e+02.2998e-64.1163e-64.1163e-67.4480e-57.1907e-64.6568e-77.7661e-814.6-1
BLANCGUHHE3.0664e-53.9535e-60.0000e+02.2584e-64.1900e-66.1932e-68.6355e-57.7880e-64.7036e-78.4685e-814.6-1
REMY GUHHZ7.1084e-61.1227e-60.0000e+03.7869e-76.4015e-78.9566e-76.5345e-61.3898e-69.6163e-81.3936e-818.7123
REMY GUHHN8.1281e-68.9440e-70.0000e+04.9458e-79.4736e-79.4736e-71.2303e-51.5194e-69.8907e-81.9814e-818.7123
REMY GUHHE8.1802e-61.0453e-60.0000e+07.1005e-71.2151e-61.6979e-68.6538e-61.5672e-61.5370e-72.6235e-818.7123
MRGE IVHHZ3.3448e-52.8871e-60.0000e+01.2698e-62.6456e-64.0006e-62.6142e-52.9053e-62.1394e-76.0128e-820.1163
MRGE IVHHN7.4248e-56.9558e-60.0000e+02.6246e-65.6220e-65.6220e-65.8265e-54.0497e-65.6885e-71.4194e-720.1163
MRGE IVHHE7.9305e-57.8216e-60.0000e+03.4120e-66.3335e-69.2812e-64.5568e-58.0022e-66.5368e-71.2233e-720.1163
DIX CHHHZ1.1324e-51.2028e-60.0000e+07.4569e-71.3231e-61.8926e-61.2299e-52.1884e-61.4753e-73.1765e-838.859
DIX CHHHN1.1008e-51.3173e-60.0000e+09.8343e-71.7770e-61.7770e-62.3426e-53.2603e-62.4904e-72.9253e-838.859
DIX CHHHE1.2314e-51.1525e-60.0000e+06.4221e-71.2616e-61.8159e-61.2808e-51.9467e-61.3956e-72.6001e-838.859
LSD GUHHZ4.4194e-64.1052e-70.0000e+01.7731e-73.5419e-75.1070e-73.1963e-63.8573e-75.2555e-89.3671e-952.5168
LSD GUHHN5.4370e-65.3533e-70.0000e+02.0253e-74.1633e-74.1633e-74.0045e-63.3153e-73.8834e-89.3624e-952.5168
LSD GUHHE6.4466e-66.2581e-70.0000e+02.0758e-73.5566e-74.9505e-73.8647e-65.4645e-73.7360e-87.3206e-952.5168
SATI GUHHZ8.9858e-78.7856e-80.0000e+05.2459e-89.2783e-81.2904e-72.2602e-61.5591e-72.3211e-83.2574e-968.593
SATI GUHHN2.3623e-62.5307e-70.0000e+01.1693e-72.3407e-72.3407e-75.7673e-61.9184e-74.1104e-85.3988e-968.593
SATI GUHHE1.6386e-62.2778e-70.0000e+01.2230e-72.4259e-73.5152e-75.8296e-61.8753e-77.2114e-86.2975e-968.593
MMK CHHHZ6.5152e-77.9270e-80.0000e+05.3048e-89.8206e-81.3849e-71.1299e-61.6227e-74.9906e-82.8394e-977.178
MMK CHHHN4.7916e-77.4278e-80.0000e+04.8842e-88.8860e-88.8860e-81.4020e-61.6418e-73.7173e-82.8385e-977.178
MMK CHHHE5.4535e-77.3452e-80.0000e+04.3897e-88.5929e-81.2507e-79.0474e-71.1762e-72.1530e-81.9700e-977.178
RSP GUHHZ7.6103e-71.0573e-70.0000e+07.3477e-81.2586e-71.7834e-71.7730e-62.2867e-71.5418e-83.0654e-988.0166
RSP GUHHN6.6208e-71.0610e-70.0000e+07.9183e-81.2951e-71.2951e-71.7262e-63.0322e-72.5765e-82.9743e-988.0166
RSP GUHHE1.0694e-61.5870e-70.0000e+01.1758e-72.0386e-72.8437e-72.3670e-64.1721e-73.2855e-84.8244e-988.0166
*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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