MANUAL Location - Area: Alpi Pennine , magnitude (ML): 0.6
2026-09-18 14:39:23 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2026-09-18 18:16:38

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Earthquake info - Manual location
Event - ID :260918143838
Magnitude (ML) :0.6 +/- 0.2
Origin Time :2026-09-18 14:39:23.767 (UTC)
Location : Latitude: 45.901 N, Longitude: 6.907 E
Area :Alpi Pennine
Depth (km) :4.04
Distances (km) : 13.1 --- Courmayeur
16.4 --- Pre -Saint-Didier
18.8 --- Morgex
20.6 --- La Thuile
21.4 --- La Salle
22.8 --- Saint-Rhemy-En-Bosses
25.1 --- Saint-Oyen
26.5 --- Etroubles
27.9 --- Avise
28.7 --- Saint-Nicolas
29.8 --- Arvier
30.0 --- Allein
31.7 --- Ollomont
31.9 --- Introd
32.1 --- Villeneuve
32.3 --- Doues
32.4 --- Valgrisenche
32.8 --- Saint-Pierre
32.9 --- Gignod
33.3 --- Rhemes-Saint-Georges

Quality location estimate: Erh: 0.5 km, Erz: 0.4 km, Nf: 16, Gap: 168 °, Rms: 0.28


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 14:39:26.1000.0040-0.031.952026-09-18 14:39:27.0270.0400-0.750.3510.0
MRGEIV2026-09-18 14:39:28.2200.01000.071.452026-09-18 14:39:30.9100.0561-0.111.2819.7
REMYGU2026-09-18 14:39:28.7400.01100.031.872026-09-18 14:39:31.5150.0621-0.460.3021.6
RSLFR2026-09-18 14:39:30.3700.0160-0.001.932026-09-18 14:39:34.0930.1564-0.600.4632.4
DIXCH2026-09-18 14:39:32.7520.0200-0.081.522026-09-18 14:39:37.7900.1605-1.130.3543.7
LSDGU2026-09-18 14:39:33.6000.0200-0.041.662026-09-18 14:39:39.6580.0400-0.620.4552.6
SENINCH2026-09-18 14:39:35.4920.0200-0.031.552026-09-18 14:39:42.4750.0400-1.170.3459.9
SATIGU2026-09-18 14:39:36.2600.0200-1.300.322026-09-18 14:39:46.0270.0400-1.500.2174.8


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
BLANCGUHH0.897.09e-110.0161
MRGE IVHH0.558.11e-219.7141
REMY GUHH0.223.79e-221.6110
DIX CHHH0.753.37e-243.762
SENINCHHH0.751.77e-259.930
SATI GUHH0.746.16e-374.892


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.
(°)
BLANCGUHHZ2.6008e-55.0289e-62.9706e-61.0246e-64.7536e-71.0773e-41.1925e-57.1561e-71.0485e-710.0161
BLANCGUHHN5.5636e-57.4079e-62.9083e-66.8943e-73.8730e-71.6274e-49.3000e-66.9420e-71.5207e-710.0161
BLANCGUHHE4.9850e-51.2164e-57.1064e-62.5409e-61.4148e-61.7874e-42.3630e-52.3035e-62.7589e-710.0161
MRGE IVHHZ3.3201e-65.4708e-72.8497e-79.7607e-85.4190e-85.5699e-61.3333e-68.3074e-81.2871e-819.7141
MRGE IVHHN7.0471e-68.6928e-75.4565e-72.3512e-71.0890e-71.2243e-53.4250e-61.5720e-72.5351e-819.7141
MRGE IVHHE5.7894e-67.4482e-73.5670e-71.5447e-76.9739e-89.6912e-61.6567e-61.0057e-71.9728e-819.7141
REMY GUHHZ6.0733e-66.8609e-72.8270e-71.4677e-75.5798e-81.0879e-51.4332e-66.3994e-81.0848e-821.6110
REMY GUHHN4.9682e-66.6014e-73.0007e-71.9931e-78.4514e-81.5488e-51.2012e-69.4219e-81.3402e-821.6110
REMY GUHHE5.8766e-67.0393e-73.0661e-71.4219e-74.9585e-88.2736e-61.1793e-67.3574e-81.1512e-821.6110
DIX CHHHZ2.2788e-64.4661e-72.7636e-79.8816e-84.8191e-88.7178e-61.4822e-66.7259e-81.1828e-843.762
DIX CHHHN2.7161e-63.9755e-72.7257e-71.0026e-75.0544e-88.5944e-61.4446e-67.4809e-81.0798e-843.762
DIX CHHHE2.6950e-64.2729e-73.1568e-71.1173e-75.3871e-81.1113e-51.9374e-67.6222e-81.0004e-843.762
LSD GUHHZ6.9622e-77.8397e-85.1750e-82.3881e-89.9360e-91.4528e-62.4028e-71.4236e-81.9544e-952.6160
LSD GUHHN7.3561e-79.7599e-84.6165e-81.6740e-87.8282e-91.1624e-62.9336e-71.4482e-82.2496e-952.6160
LSD GUHHE8.3295e-71.0000e-76.1245e-83.1511e-81.0781e-81.4443e-62.8100e-71.3508e-82.2516e-952.6160
SENINCHHHZ8.5198e-71.7859e-71.4976e-75.7817e-82.8518e-82.1034e-66.7693e-74.1051e-85.4248e-959.930
SENINCHHHN8.8483e-71.5237e-71.1930e-74.8569e-82.4357e-82.4801e-67.9296e-73.1394e-83.8946e-959.930
SENINCHHHE1.0496e-62.3621e-71.5976e-75.4318e-82.5081e-83.7076e-67.1672e-74.0717e-85.0720e-959.930
SATI GUHHZ3.8225e-75.8548e-83.0301e-81.1010e-86.5315e-91.2551e-61.3510e-78.1024e-91.1986e-974.892
SATI GUHHN7.3391e-79.4053e-85.1436e-81.8150e-89.5202e-92.7612e-62.0157e-71.1727e-82.1600e-974.892
SATI GUHHE7.3920e-71.2011e-75.9883e-81.4909e-89.6236e-94.0608e-61.8079e-71.4497e-82.6953e-974.892
*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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