MANUAL Location - Area: Alpi Pennine , magnitude (ML): 1.0
2026-09-18 00:56:38 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2026-09-18 08:27:03

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Earthquake info - Manual location
Event - ID :260918005521
Magnitude (ML) :1.0 +/- 0.2
Origin Time :2026-09-18 00:56:38.955 (UTC)
Location : Latitude: 45.894 N, Longitude: 6.924 E
Area :Alpi Pennine
Depth (km) :4.95
Distances (km) : 11.8 --- Courmayeur
15.2 --- Pre -Saint-Didier
17.4 --- Morgex
19.6 --- La Thuile
19.9 --- La Salle
21.3 --- Saint-Rhemy-En-Bosses
23.5 --- Saint-Oyen
25.0 --- Etroubles
26.5 --- Avise
27.2 --- Saint-Nicolas
28.3 --- Arvier
28.5 --- Allein
30.2 --- Ollomont
30.4 --- Introd
30.6 --- Villeneuve
30.8 --- Doues
31.1 --- Valgrisenche
31.2 --- Saint-Pierre
31.4 --- Gignod
31.9 --- Rhemes-Saint-Georges

Quality location estimate: Erh: 1 km, Erz: 0.5 km, Nf: 42, Gap: 95 °, Rms: 0.36


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.
BLANCGU2026-09-18 00:56:41.3400.0050-0.031.552026-09-18 00:56:42.0100.0250-1.000.3910.0
MRGEIV2026-09-18 00:56:43.4700.01100.371.522026-09-18 00:56:45.9130.04000.081.4718.6
REMYGU2026-09-18 00:56:44.0500.01600.441.432026-09-18 00:56:47.1200.06410.381.4020.4
RSLFR2026-09-18 00:56:45.5000.0160-0.031.532026-09-18 00:56:48.9800.0992-0.920.4132.9
DIXCH2026-09-18 00:56:47.9200.02210.141.302026-09-18 00:56:53.5450.1314-0.230.9543.1
LSDGU2026-09-18 00:56:48.8600.02710.341.382026-09-18 00:56:54.6500.2587-0.340.8251.5
CIROGU2026-09-18 00:56:50.3900.0321-0.101.252026-09-18 00:56:57.3740.0400-1.100.3060.0
SENINCH2026-09-18 00:56:50.6490.02000.041.472026-09-18 00:56:57.8020.1002-0.910.4060.1
SATIGU2026-09-18 00:56:52.0640.0200-0.340.642026-09-18 00:57:01.8840.0400-0.290.8573.6
LATOIV2026-09-18 00:56:53.3730.02000.421.262026-09-18 00:57:01.8890.0400-0.430.6678.3
CANIGU2026-09-18 00:56:53.3500.02000.511.072026-09-18 00:57:03.5480.04001.390.0578.6
OGMOFR2026-09-18 00:56:53.0290.02000.061.432026-09-18 00:57:02.8940.04000.421.1578.6
MMKCH2026-09-18 00:56:53.8960.02000.161.392026-09-18 00:57:04.2490.30470.191.1482.6
RSPGU2026-09-18 00:56:54.8700.08840.501.062026-09-18 00:57:05.4840.04000.630.7787.3
LAUCHCH2026-09-18 00:56:55.7550.26090.830.472026-09-18 00:57:06.8850.37580.880.5187.6
SIMPLCH2026-09-18 00:56:55.9150.04720.021.372026-09-18 00:57:07.7740.04000.151.2893.1
FENEIV2026-09-18 00:56:56.4320.02000.620.772026-09-18 00:57:06.6280.0400-0.650.5296.8
RRLGU2026-09-18 00:56:58.1200.0603-0.051.272026-09-18 00:57:10.4890.0400-0.830.44108.9
FIESACH2026-09-18 00:56:59.3370.02000.501.052026-09-18 00:57:11.7900.5389-0.810.52109.6


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
MRGE IVHH0.811.64e-118.6142
REMY GUHH0.731.36e-120.4109
DIX CHHH1.107.79e-243.161
LSD GUHH0.943.77e-251.5161
CIRO GUHH0.881.27e-260.0123
SENINCHHH1.093.87e-260.129
SATI GUHH1.181.74e-273.691
CANI GUHH0.821.16e-278.6130
MMK CHHH1.111.07e-282.677
RSP GUHH1.031.57e-287.3162
LAUCHCHHH1.202.14e-287.648
SIMPLCHHH0.655.29e-393.165
FENE IVHH0.898.36e-396.8174
RRL GUHH1.106.89e-3108.9186
FIESACHHH1.221.34e-2109.656


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.
(°)
BLANCGUHHZ2.8777e-44.4087e-52.4223e-57.6915e-64.9415e-61.2344e-39.4708e-58.7794e-61.2279e-610.0172
BLANCGUHHN3.8369e-47.0627e-52.9438e-51.1536e-54.8754e-61.3289e-31.5177e-47.3713e-61.5007e-610.0172
BLANCGUHHE4.8837e-49.0619e-54.6409e-51.5094e-58.0636e-62.5836e-31.7729e-41.3166e-52.3050e-610.0172
MRGE IVHHZ2.9744e-52.9625e-68.2761e-73.7550e-71.8209e-71.3758e-55.1245e-62.5403e-73.9586e-818.6142
MRGE IVHHN4.1619e-54.6909e-61.2108e-64.5688e-72.4159e-73.1341e-56.9649e-63.5773e-76.1336e-818.6142
MRGE IVHHE2.6398e-52.4839e-61.3599e-66.2956e-72.5515e-73.2725e-56.0214e-63.6933e-75.7768e-818.6142
REMY GUHHZ2.2007e-52.5979e-64.2865e-71.7335e-79.0074e-88.6399e-62.0308e-61.2065e-71.6585e-820.4109
REMY GUHHN1.2189e-52.0242e-61.0126e-64.6555e-72.1274e-72.6754e-53.6032e-63.1494e-75.3124e-820.4109
REMY GUHHE2.4046e-52.2394e-67.2841e-73.5243e-71.3768e-72.0437e-53.3887e-61.7864e-72.8411e-820.4109
DIX CHHHZ7.5547e-61.2298e-66.9539e-72.3795e-71.0986e-71.6268e-53.4812e-61.6843e-73.0183e-843.161
DIX CHHHN1.0222e-51.4125e-66.9432e-72.3431e-71.1738e-72.2289e-52.7930e-61.6256e-72.8014e-843.161
DIX CHHHE9.8612e-61.3958e-67.7000e-72.1602e-79.4227e-81.7403e-53.4328e-61.3933e-73.0773e-843.161
LSD GUHHZ3.1227e-64.4500e-71.9106e-77.4056e-82.9615e-83.6323e-68.3320e-74.8374e-89.7464e-951.5161
LSD GUHHN4.2522e-64.7386e-71.9624e-76.4216e-82.6761e-85.6724e-69.8417e-73.7137e-81.0266e-851.5161
LSD GUHHE4.7047e-66.1626e-73.7391e-71.1459e-74.5300e-86.4391e-61.8254e-66.4645e-81.5003e-851.5161
CIRO GUHHZ1.5450e-61.6774e-78.5850e-82.8719e-81.2924e-83.4409e-63.1674e-71.9928e-83.4051e-960.0123
CIRO GUHHN2.4077e-63.0335e-71.4299e-75.5751e-81.8145e-85.3751e-63.9093e-73.1137e-85.8020e-960.0123
CIRO GUHHE1.6354e-62.0814e-71.0234e-74.8269e-81.7984e-83.3206e-64.9782e-72.3532e-84.9592e-960.0123
SENINCHHHZ4.1865e-66.9243e-74.5504e-71.4422e-76.5981e-81.0690e-51.9031e-61.0769e-71.8488e-860.129
SENINCHHHN3.3391e-65.0497e-73.4088e-71.1928e-76.0966e-87.1672e-61.8412e-68.2480e-81.3837e-860.129
SENINCHHHE3.1679e-64.8905e-73.7318e-71.4394e-75.6444e-87.8108e-61.8008e-67.4648e-81.3058e-860.129
SATI GUHHZ1.0380e-61.4050e-76.7262e-82.4666e-81.3534e-82.9952e-62.5578e-71.5642e-83.0848e-973.691
SATI GUHHN2.2163e-63.0851e-71.1090e-74.7305e-83.6500e-88.5483e-63.5576e-76.0084e-88.0217e-973.691
SATI GUHHE2.3712e-63.3235e-71.3463e-73.6254e-81.9266e-89.0335e-64.5528e-73.4180e-87.6410e-973.691
CANI GUHHZ1.6704e-61.7862e-79.4417e-82.8918e-81.4598e-85.1916e-63.9393e-72.1961e-83.5909e-978.6130
CANI GUHHN1.5137e-62.0641e-71.2736e-73.9085e-81.5915e-83.3346e-65.0210e-72.3890e-84.5687e-978.6130
CANI GUHHE1.9911e-62.6558e-71.1419e-73.1963e-81.6062e-84.2331e-63.8690e-72.5641e-85.0836e-978.6130
MMK CHHHZ7.9367e-71.5547e-71.0328e-73.7815e-81.8206e-82.3237e-65.1914e-72.8315e-84.1609e-982.677
MMK CHHHN9.4959e-71.5525e-71.1818e-74.0446e-82.0367e-84.2912e-66.3404e-73.1044e-84.0832e-982.677
MMK CHHHE6.5453e-71.1116e-78.1756e-83.4361e-81.6473e-81.8390e-63.8679e-72.0609e-83.1022e-982.677
RSP GUHHZ7.6709e-71.7792e-71.0792e-72.7438e-81.9003e-82.3069e-65.3250e-73.0407e-84.0561e-987.3162
RSP GUHHN1.8053e-62.1941e-71.5785e-73.8469e-82.2352e-83.3525e-67.4676e-73.5599e-84.9376e-987.3162
RSP GUHHE1.0183e-61.7897e-71.5163e-74.5415e-82.3563e-83.0448e-69.0751e-72.9979e-84.7895e-987.3162
LAUCHCHHHZ8.3753e-71.0729e-76.5755e-82.4984e-81.0608e-82.9239e-63.9759e-71.5377e-82.6565e-987.648
LAUCHCHHHN1.3304e-62.1425e-71.1027e-73.5793e-81.7414e-85.3085e-64.0849e-72.7095e-85.2332e-987.648
LAUCHCHHHE1.3201e-62.7981e-72.0051e-76.6541e-82.4355e-85.3745e-68.9320e-73.4404e-87.0394e-987.648
SIMPLCHHHZ4.9466e-77.4708e-86.3536e-82.8908e-81.0776e-89.6022e-72.6666e-71.6181e-82.5856e-993.165
SIMPLCHHHN4.5769e-76.6545e-85.2287e-82.2737e-89.2113e-91.2993e-62.6481e-71.1641e-82.0919e-993.165
SIMPLCHHHE4.0584e-77.5488e-85.1076e-81.8875e-89.5472e-91.4969e-62.1044e-71.3300e-81.7706e-993.165
FENE IVHHZ4.5502e-78.9854e-85.6746e-82.1468e-89.7676e-91.4667e-62.9714e-71.6557e-81.9375e-996.8174
FENE IVHHN4.3625e-79.4540e-87.5817e-83.5332e-81.4473e-81.1571e-63.3683e-72.0653e-82.9762e-996.8174
FENE IVHHE5.5017e-71.0784e-76.3282e-82.5442e-81.1663e-81.6000e-62.3502e-71.6496e-82.6882e-996.8174
RRL GUHHZ1.7324e-73.7865e-82.5758e-81.5463e-89.1823e-95.1585e-71.1446e-71.7969e-81.0953e-9108.9186
RRL GUHHN1.4663e-73.3979e-82.9720e-81.7746e-81.1028e-85.3980e-71.7476e-71.5232e-81.1913e-9108.9186
RRL GUHHE1.6123e-74.3568e-83.7206e-82.2827e-81.2475e-84.6316e-72.2027e-71.6887e-81.7705e-9108.9186
FIESACHHHZ9.1913e-71.4831e-71.1973e-78.4103e-83.3365e-83.3369e-67.3892e-74.2074e-85.0444e-9109.656
FIESACHHHN9.1830e-71.7897e-71.4837e-76.7949e-83.2303e-82.8934e-68.2790e-74.4276e-85.1474e-9109.656
FIESACHHHE7.9132e-71.3722e-71.1822e-75.1112e-83.3898e-82.4097e-68.9295e-74.8618e-85.2220e-9109.656
*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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