MANUAL Location - Area: Alpi Graie , magnitude (ML): 1.1
2026-09-09 20:02:27 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2026-09-10 08:43:44

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Earthquake info - Manual location
Event - ID :260909200115
Magnitude (ML) :1.1 +/- 0.2
Origin Time :2026-09-09 20:02:27.228 (UTC)
Location : Latitude: 45.625 N, Longitude: 6.880 E
Area :Alpi Graie
Depth (km) :4.04
Distances (km) : 11.7 --- La Thuile
14.3 --- Valgrisenche
17.6 --- Pre -Saint-Didier
19.2 --- Morgex
19.5 --- Rhemes-Notre-Dame
20.1 --- Courmayeur
20.1 --- La Salle
21.7 --- Rhemes-Saint-Georges
22.3 --- Avise
23.9 --- Arvier
24.5 --- Saint-Nicolas
25.0 --- Introd
25.9 --- Valsavarenche
26.9 --- Villeneuve
28.8 --- Saint-Pierre
29.6 --- Aymavilles
31.1 --- Sarre
32.0 --- Saint-Rhemy-En-Bosses
32.2 --- Jovencan
33.4 --- Gressan

Quality location estimate: Erh: 0.7 km, Erz: 1 km, Nf: 38, Gap: 90 °, Rms: 0.23


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.
RSLFR2026-09-09 20:02:31.7800.01200.021.572026-09-09 20:02:34.2390.0651-0.470.8321.4
MRGEIV2026-09-09 20:02:32.0800.0120-0.031.532026-09-09 20:02:35.0300.0651-0.261.1922.1
BLANCGU2026-09-09 20:02:32.8300.01300.131.252026-09-09 20:02:35.9300.0752-0.391.0125.9
LSDGU2026-09-09 20:02:32.8800.01500.161.082026-09-09 20:02:36.0400.0852-0.291.1727.7
OGMOFR2026-09-09 20:02:36.3100.0452-0.031.502026-09-09 20:02:41.6080.3047-0.800.4649.0
CIROGU2026-09-09 20:02:36.5800.3209-1.260.152026-09-09 20:02:43.6300.1625-1.170.1554.0
LATOIV2026-09-09 20:02:38.0230.02000.041.462026-09-09 20:02:44.8100.0400-0.241.2458.1
RSPGU2026-09-09 20:02:38.4100.0311-0.021.482026-09-09 20:02:45.6600.1865-0.251.1561.1
DIXCH2026-09-09 20:02:39.2350.0934-0.371.042026-09-09 20:02:47.0930.2517-1.070.2365.2
CANIGU2026-09-09 20:02:39.4490.02000.061.412026-09-09 20:02:47.0270.0400-0.291.1666.7
FENEIV2026-09-09 20:02:39.1620.0200-0.251.212026-09-09 20:02:46.8980.0400-0.650.5367.8
RRLGU2026-09-09 20:02:41.2600.0402-0.271.202026-09-09 20:02:51.2300.3638-0.030.9378.8
SATIGU2026-09-09 20:02:42.8670.02000.710.122026-09-09 20:02:52.1080.0400-0.630.6181.9
BHBGU2026-09-09 20:02:43.6200.04720.071.272026-09-09 20:02:54.5900.2817-0.131.0192.9
MMKCH2026-09-09 20:02:44.0670.0200-0.021.382026-09-09 20:02:55.6890.0400-0.321.0596.7
PONCIV2026-09-09 20:02:46.3440.1506-0.410.962026-09-09 20:03:00.5350.04000.400.57111.6
SIMPLCH2026-09-09 20:02:47.4160.02000.660.162026-09-09 20:03:00.5590.04000.031.03111.6
PZZGU2026-09-09 20:02:49.0300.06430.091.132026-09-09 20:03:03.7100.0400-0.281.00125.7


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
MRGE IVHH1.072.20e-122.141
LSD GUHH1.031.53e-127.7133
CIRO GUHH1.072.46e-254.092
RSP GUHH1.377.58e-261.1150
DIX CHHH1.315.42e-265.238
CANI GUHH1.022.63e-266.7108
FENE IVHH0.891.88e-267.8168
RRL GUHH1.091.45e-278.8185
SATI GUHH1.201.46e-281.970
BHB GUHH1.312.20e-292.9161
MMK CHHH1.005.76e-396.760
PONC IVHH1.161.11e-2111.6174
SIMPLCHHH0.542.65e-3111.652
PZZ GUHH1.352.13e-2125.7171


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.
(°)
MRGE IVHHZ3.4613e-53.0574e-64.8478e-72.4196e-71.3564e-72.1655e-51.8878e-62.5402e-74.7136e-822.141
MRGE IVHHN7.5148e-57.2042e-61.2255e-63.9978e-72.4547e-77.8629e-55.5844e-65.1550e-71.2878e-722.141
MRGE IVHHE7.1898e-57.1962e-61.1254e-64.5790e-72.2399e-77.3816e-54.4623e-65.0845e-71.3835e-722.141
BLANCGUHHZ3.0141e-65.6559e-73.5671e-71.3681e-76.5846e-87.2071e-61.8993e-68.0191e-81.2034e-825.910
BLANCGUHHN4.2145e-66.5516e-74.7522e-71.8352e-77.7786e-81.3088e-52.6454e-61.0543e-71.4745e-825.910
BLANCGUHHE4.3432e-66.9801e-75.8421e-72.7873e-71.5014e-71.4239e-53.0684e-61.6787e-71.5599e-825.910
LSD GUHHZ1.4593e-53.3892e-61.1548e-63.5220e-72.2835e-74.5935e-54.8979e-63.6571e-76.3340e-827.7133
LSD GUHHN3.3709e-54.2760e-61.0843e-63.5265e-71.8758e-74.8562e-54.9969e-63.7387e-78.5023e-827.7133
LSD GUHHE2.9431e-53.1530e-69.7670e-72.5889e-71.2492e-74.4219e-54.7843e-62.4238e-76.6115e-827.7133
CIRO GUHHZ3.1243e-63.4641e-71.5791e-75.6758e-82.2178e-84.8058e-65.9874e-73.5970e-87.0477e-954.092
CIRO GUHHN4.4341e-66.1171e-72.2617e-76.6366e-83.2482e-81.2215e-56.6124e-76.0596e-81.3534e-854.092
CIRO GUHHE2.9061e-62.9277e-71.2646e-76.5731e-83.9478e-84.0602e-64.8794e-76.5954e-87.2214e-954.092
RSP GUHHZ4.6409e-67.7174e-73.7601e-79.9642e-84.7185e-87.1824e-61.4968e-67.1568e-81.7660e-861.1150
RSP GUHHN6.0145e-69.8415e-76.1241e-71.4914e-78.8545e-81.0528e-53.0236e-61.4400e-72.6405e-861.1150
RSP GUHHE4.7970e-66.8926e-74.7863e-71.1579e-76.0731e-81.3564e-52.2931e-61.0245e-71.6673e-861.1150
DIX CHHHZ5.8616e-66.8558e-73.8181e-71.4507e-76.8233e-81.4660e-51.4818e-69.4750e-81.4963e-865.238
DIX CHHHN4.4950e-66.2360e-75.1196e-72.3923e-71.0013e-71.0464e-52.0425e-61.3006e-72.1754e-865.238
DIX CHHHE7.0111e-69.3273e-74.8255e-71.7572e-78.6238e-81.2526e-53.0176e-61.2533e-72.0013e-865.238
CANI GUHHZ4.0062e-66.1028e-72.2077e-76.7602e-83.8385e-81.3324e-58.2491e-76.4928e-81.3015e-866.7108
CANI GUHHN4.2886e-64.9207e-72.1300e-76.0693e-83.0290e-81.2211e-57.5532e-75.1212e-81.1655e-866.7108
CANI GUHHE4.3274e-65.9896e-72.1936e-76.5864e-83.1176e-81.1496e-59.9797e-75.1051e-81.3030e-866.7108
FENE IVHHZ2.8087e-63.6545e-71.6157e-74.2390e-82.1278e-85.7316e-66.6079e-73.7097e-87.0195e-967.8168
FENE IVHHN1.8338e-62.9051e-71.5581e-73.6848e-81.9368e-85.6915e-66.0848e-72.9263e-86.1245e-967.8168
FENE IVHHE2.0045e-63.3249e-71.9395e-75.1837e-82.4012e-84.9896e-68.0923e-73.7159e-88.1967e-967.8168
RRL GUHHZ6.3335e-79.6625e-87.2751e-83.7823e-81.7469e-82.3693e-63.2495e-72.3926e-82.9204e-978.8185
RRL GUHHN1.1484e-62.3317e-71.5176e-75.6577e-82.5861e-84.5530e-68.1390e-73.4370e-85.1483e-978.8185
RRL GUHHE8.6277e-71.8701e-71.2457e-74.9686e-82.1891e-82.9751e-67.3094e-73.2936e-85.1748e-978.8185
SATI GUHHZ1.5407e-61.5496e-77.2733e-82.6997e-81.4863e-83.4588e-63.3219e-72.1838e-83.1092e-981.970
SATI GUHHN2.6380e-62.9311e-79.2812e-82.7691e-81.6750e-85.5330e-64.4406e-72.8186e-85.7536e-981.970
SATI GUHHE2.4612e-63.2497e-71.0999e-72.9653e-81.8139e-87.3135e-63.6986e-73.1012e-87.7429e-981.970
BHB GUHHZ1.3089e-62.5564e-71.4149e-73.5196e-81.8083e-85.1145e-65.4332e-72.7089e-85.1087e-992.9161
BHB GUHHN2.0160e-64.2375e-71.9363e-74.5884e-82.9176e-86.5864e-67.1566e-74.5420e-88.9688e-992.9161
BHB GUHHE1.2637e-62.0838e-71.5952e-74.4927e-82.5105e-83.4254e-66.0806e-74.4271e-85.9082e-992.9161
MMK CHHHZ5.1353e-77.2159e-84.3552e-81.8259e-89.5927e-91.1007e-62.6032e-71.5264e-81.7585e-996.760
MMK CHHHN5.2905e-77.5924e-84.8809e-82.2138e-89.7906e-91.6154e-62.5188e-71.4884e-81.8428e-996.760
MMK CHHHE5.2206e-76.4580e-83.7647e-81.3064e-86.9622e-98.3132e-72.8831e-71.1143e-81.5320e-996.760
PONC IVHHZ1.4820e-61.5864e-75.9379e-81.7666e-89.6660e-91.4819e-63.6242e-71.5625e-82.9905e-9111.6174
PONC IVHHN9.6074e-71.4537e-79.8863e-82.5934e-81.4780e-82.8189e-63.3939e-72.5013e-84.1734e-9111.6174
PONC IVHHE7.4913e-71.6037e-71.1448e-73.1026e-81.7435e-82.5531e-67.2295e-72.4672e-83.5327e-9111.6174
SIMPLCHHHZ2.7520e-73.4669e-82.5114e-81.0876e-85.1452e-96.5416e-71.4299e-77.6355e-91.0213e-9111.652
SIMPLCHHHN2.9478e-73.7119e-82.4615e-81.0345e-85.2593e-96.9015e-71.0385e-76.8783e-99.5667e-10111.652
SIMPLCHHHE2.8012e-74.3268e-82.4314e-81.2144e-88.4451e-94.7299e-79.8263e-81.1383e-81.2360e-9111.652
PZZ GUHHZ6.3832e-71.5740e-71.3312e-74.6349e-82.3406e-81.9978e-65.2800e-73.2237e-83.9412e-9125.7171
PZZ GUHHN1.0264e-61.7257e-71.5776e-75.4145e-83.0610e-82.2718e-67.8752e-73.2867e-85.4934e-9125.7171
PZZ GUHHE8.7930e-72.5832e-71.7890e-75.5556e-83.1465e-82.2339e-68.9944e-73.9206e-86.7544e-9125.7171
*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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