MANUAL Location - Area: Alpi Pennine , magnitude (ML): 0.8
2026-09-17 16:00:34 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2026-09-18 08:18:43

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Earthquake info - Manual location
Event - ID :260917155909
Magnitude (ML) :0.8 +/- 0.2
Origin Time :2026-09-17 16:00:34.477 (UTC)
Location : Latitude: 45.893 N, Longitude: 6.928 E
Area :Alpi Pennine
Depth (km) :2.02
Distances (km) : 11.6 --- Courmayeur
15.0 --- Pre -Saint-Didier
17.2 --- Morgex
19.5 --- La Thuile
19.7 --- La Salle
21.0 --- Saint-Rhemy-En-Bosses
23.2 --- Saint-Oyen
24.6 --- Etroubles
26.2 --- Avise
26.9 --- Saint-Nicolas
28.0 --- Arvier
28.2 --- Allein
29.9 --- Ollomont
30.1 --- Introd
30.3 --- Villeneuve
30.4 --- Doues
30.9 --- Valgrisenche
30.9 --- Saint-Pierre
31.0 --- Gignod
31.6 --- Rhemes-Saint-Georges

Quality location estimate: Erh: 1.6 km, Erz: 0.9 km, Nf: 24, Gap: 95 °, Rms: 0.32


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.
BLANCGU2026-09-17 16:00:36.4000.0040-0.032.122026-09-17 16:00:37.1000.1233-0.750.577.6
MRGEIV2026-09-17 16:00:38.5400.01000.002.312026-09-17 16:00:41.1720.04000.032.0117.5
REMYGU2026-09-17 16:00:39.1100.01100.012.302026-09-17 16:00:42.0700.0651-0.001.8519.3
RSLFR2026-09-17 16:00:40.5900.0211-0.800.572026-09-17 16:00:44.2700.1093-1.520.3132.7
DIXCH2026-09-17 16:00:42.9210.0200-0.670.512026-09-17 16:00:48.3600.1725-1.210.2642.5
LSDGU2026-09-17 16:00:43.9700.0261-0.380.302026-09-17 16:00:48.5360.0400-2.340.0150.9
SENINCH2026-09-17 16:00:45.6660.0200-0.790.572026-09-17 16:00:53.0590.0400-1.570.3159.8
SATIGU2026-09-17 16:00:48.0410.0200-0.171.012026-09-17 16:00:56.4340.0400-1.630.3073.0
CANIGU2026-09-17 16:00:48.8360.02000.180.932026-09-17 16:00:58.4250.04000.370.4278.1
MMKCH2026-09-17 16:00:49.3330.0200-0.200.902026-09-17 16:00:59.3700.2537-0.560.6382.2


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
BLANCGUHH1.192.29e+07.6175
MRGE IVHH0.356.44e-217.5143
REMY GUHH0.601.14e-119.3109
DIX CHHH0.986.05e-242.560
LSD GUHH0.571.62e-250.9161
SENINCHHH0.872.32e-259.829
SATI GUHH0.931.01e-273.091
CANI GUHH0.678.26e-378.1130
MMK CHHH0.937.28e-382.277


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.
(°)
BLANCGUHHZ1.5884e-42.5695e-51.0403e-53.2845e-62.0642e-67.2973e-43.0846e-53.8207e-66.4554e-77.6175
BLANCGUHHN1.5854e-42.7602e-51.1539e-53.4743e-61.6523e-64.3227e-45.0853e-52.7229e-65.6249e-77.6175
BLANCGUHHE2.4381e-44.0903e-52.0676e-55.9529e-63.2049e-61.2024e-39.1357e-54.8958e-61.0124e-67.6175
MRGE IVHHZ2.4083e-52.0454e-63.2524e-71.3670e-76.0531e-88.6952e-61.9301e-69.4823e-81.5658e-817.5143
MRGE IVHHN2.5413e-52.6981e-63.9853e-72.1919e-79.4615e-81.6881e-52.5558e-61.2882e-72.4910e-817.5143
MRGE IVHHE1.9249e-51.8203e-65.7291e-72.4502e-79.1242e-82.3460e-53.0365e-61.3019e-72.4863e-817.5143
REMY GUHHZ1.5165e-51.6646e-64.2396e-72.2595e-71.0109e-79.7590e-62.0764e-61.3209e-71.6500e-819.3109
REMY GUHHN1.0890e-51.7744e-68.7796e-73.5553e-71.7693e-73.1480e-53.1393e-62.7371e-74.5706e-819.3109
REMY GUHHE1.7232e-51.5638e-66.0836e-72.5009e-71.1143e-71.4577e-53.1174e-61.3908e-72.8754e-819.3109
DIX CHHHZ6.7722e-67.3853e-74.3205e-71.4984e-77.6129e-81.2693e-52.1800e-61.2718e-71.8650e-842.560
DIX CHHHN7.7262e-69.2640e-74.8468e-71.6694e-79.4337e-81.4443e-52.2840e-61.4687e-72.0602e-842.560
DIX CHHHE8.5974e-61.0863e-65.7434e-71.6227e-77.8469e-81.3665e-52.4388e-61.2094e-72.5149e-842.560
LSD GUHHZ1.8168e-61.5895e-78.6414e-83.9411e-81.5749e-82.9007e-63.3565e-71.8820e-83.5821e-950.9161
LSD GUHHN2.1291e-61.8820e-78.8752e-83.6179e-82.4004e-83.1463e-64.5674e-73.9712e-85.8490e-950.9161
LSD GUHHE1.8653e-62.6661e-71.4138e-75.2070e-82.4864e-83.6666e-68.2443e-73.8787e-85.6812e-950.9161
SENINCHHHZ1.8982e-63.7408e-72.1408e-77.5336e-83.3144e-84.2641e-69.1217e-74.8660e-88.6103e-959.829
SENINCHHHN1.2468e-62.4207e-71.8265e-77.8383e-87.9814e-83.4920e-61.4966e-61.3822e-71.2800e-859.829
SENINCHHHE1.5873e-63.4913e-72.3126e-79.6017e-84.0841e-83.5606e-61.0807e-65.5336e-81.1138e-859.829
SATI GUHHZ7.7922e-71.0499e-74.7747e-81.7647e-88.6557e-91.9363e-61.9393e-71.2806e-82.2916e-973.091
SATI GUHHN1.8883e-62.1132e-78.1987e-83.0683e-81.5498e-84.3738e-62.4244e-72.1526e-84.5250e-973.091
SATI GUHHE1.4900e-61.6205e-78.3552e-82.5313e-81.3218e-83.8978e-62.6794e-71.8872e-83.8472e-973.091
CANI GUHHZ1.1386e-61.3298e-75.9934e-82.3111e-81.2596e-82.6080e-61.9181e-71.8016e-82.8428e-978.1130
CANI GUHHN1.2349e-61.7948e-77.0998e-82.8516e-81.5221e-83.6656e-63.5664e-71.9477e-83.7664e-978.1130
CANI GUHHE1.1694e-61.5849e-78.4086e-83.0257e-81.5577e-82.6454e-63.9080e-72.0534e-83.5615e-978.1130
MMK CHHHZ5.1565e-79.7836e-86.8807e-82.0336e-88.7101e-91.4364e-63.1600e-71.2346e-82.2364e-982.277
MMK CHHHN7.1471e-71.1067e-79.0095e-82.9525e-81.4059e-82.5274e-64.4203e-71.9841e-82.3329e-982.277
MMK CHHHE5.4278e-79.0475e-85.7444e-82.2295e-81.0573e-81.0238e-62.7445e-71.4127e-82.2074e-982.277
*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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