MANUAL Location - Area: Alpi Pennine , magnitude (ML): 0.6
2026-09-18 06:20:21 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2026-09-18 08:36:50

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Earthquake info - Manual location
Event - ID :260918061957
Magnitude (ML) :0.6 +/- 0.2
Origin Time :2026-09-18 06:20:21.532 (UTC)
Location : Latitude: 45.910 N, Longitude: 6.920 E
Area :Alpi Pennine
Depth (km) :5.12
Distances (km) : 13.6 --- Courmayeur
17.0 --- Pre -Saint-Didier
19.1 --- Morgex
21.4 --- La Thuile
21.6 --- La Salle
22.3 --- Saint-Rhemy-En-Bosses
24.5 --- Saint-Oyen
25.9 --- Etroubles
28.1 --- Avise
28.7 --- Saint-Nicolas
29.5 --- Allein
29.8 --- Arvier
30.9 --- Ollomont
31.6 --- Doues
31.9 --- Introd
32.0 --- Villeneuve
32.4 --- Gignod
32.7 --- Saint-Pierre
32.8 --- Valpelline
32.9 --- Valgrisenche

Quality location estimate: Erh: 0.9 km, Erz: 0.7 km, Nf: 18, Gap: 167 °, Rms: 0.26


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 06:20:24.1300.0040-0.012.122026-09-18 06:20:24.9490.0400-0.970.2811.2
MRGEIV2026-09-18 06:20:25.9300.0572-0.002.032026-09-18 06:20:28.8490.0400-0.001.9820.2
REMYGU2026-09-18 06:20:26.8300.01100.500.382026-09-18 06:20:29.7160.04000.161.1921.4
RSLFR2026-09-18 06:20:28.2810.02000.022.062026-09-18 06:20:32.0540.0400-0.690.3933.9
DIXCH2026-09-18 06:20:30.7840.02000.540.392026-09-18 06:20:36.0020.0400-0.161.0542.6
LSDGU2026-09-18 06:20:31.6210.02000.250.722026-09-18 06:20:37.4290.0400-0.630.4053.3
SENINCH2026-09-18 06:20:33.0440.02000.111.562026-09-18 06:20:40.7330.0400-0.141.1458.7
CIROGU2026-09-18 06:20:33.1740.0200-0.061.602026-09-18 06:20:40.1890.0400-1.170.2261.3
SATIGU2026-09-18 06:20:33.3930.0200-1.650.022026-09-18 06:20:44.1210.0400-0.730.4674.0


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
MRGE IVHH0.405.50e-220.2145
REMY GUHH0.599.08e-221.4114
DIX CHHH0.864.54e-242.663
LSD GUHH0.431.08e-253.3161
SENINCHHH0.792.03e-258.730
CIRO GUHH0.657.20e-361.3124
SATI GUHH0.797.06e-374.093


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.
(°)
BLANCGUHHZ1.1336e-41.8623e-57.8208e-62.4959e-61.5416e-65.0585e-42.1795e-52.8043e-64.6333e-711.2171
BLANCGUHHN1.2338e-41.7787e-58.4342e-62.8351e-61.2196e-63.0424e-44.1406e-52.0175e-63.9016e-711.2171
BLANCGUHHE1.6698e-42.9277e-51.5754e-54.4334e-62.1509e-68.2456e-46.7991e-53.2136e-67.1072e-711.2171
MRGE IVHHZ1.2986e-51.0959e-62.4388e-71.1932e-75.1043e-86.0687e-61.2739e-68.1726e-81.5295e-820.2145
MRGE IVHHN1.4988e-51.6514e-63.0250e-71.7705e-77.5482e-81.2785e-51.5675e-61.1128e-72.4856e-820.2145
MRGE IVHHE1.1139e-51.1758e-64.2960e-71.8797e-77.3956e-81.7289e-52.1758e-61.1964e-72.2259e-820.2145
REMY GUHHZ8.7053e-69.3668e-73.1599e-71.3809e-75.8196e-87.3988e-61.5235e-67.1725e-81.0607e-821.4114
REMY GUHHN8.2239e-61.3490e-67.0275e-72.8275e-71.3487e-72.3667e-52.5117e-61.9839e-73.5050e-821.4114
REMY GUHHE9.0518e-68.6344e-74.7388e-71.9521e-78.7471e-89.9194e-62.4234e-61.1240e-72.1179e-821.4114
DIX CHHHZ3.5042e-64.0763e-72.9415e-71.1128e-75.1930e-88.1663e-61.4024e-68.2387e-81.0855e-842.663
DIX CHHHN4.0767e-66.1570e-73.3637e-71.1535e-75.7154e-89.2125e-61.4161e-67.4787e-81.2857e-842.663
DIX CHHHE4.8260e-68.6184e-74.3890e-71.2856e-76.3449e-81.0739e-51.6522e-61.0115e-71.9346e-842.663
LSD GUHHZ1.0522e-61.1309e-77.5106e-82.8964e-81.1479e-82.2623e-62.9372e-71.3999e-82.4495e-953.3161
LSD GUHHN1.0748e-61.5359e-76.6943e-82.0559e-81.2632e-82.1729e-64.3968e-72.0606e-83.3226e-953.3161
LSD GUHHE1.2575e-61.8892e-71.0582e-74.2818e-81.7638e-82.7491e-66.1679e-72.1859e-84.1092e-953.3161
SENINCHHHZ1.4917e-62.9070e-71.8074e-75.7666e-82.8369e-83.2946e-68.2821e-75.3406e-86.5030e-958.730
SENINCHHHN1.0688e-62.0450e-71.3786e-75.6543e-83.2449e-83.1032e-61.0510e-63.8941e-85.1363e-958.730
SENINCHHHE1.0870e-62.6857e-71.7213e-78.9371e-85.5657e-83.0206e-67.1747e-79.1588e-81.5306e-858.730
CIRO GUHHZ6.6687e-78.5456e-84.3580e-81.6830e-88.5438e-91.3180e-61.7923e-71.2852e-82.0752e-961.3124
CIRO GUHHN7.9958e-71.0917e-76.1794e-83.1964e-81.2027e-81.5713e-62.5263e-71.7242e-82.4201e-961.3124
CIRO GUHHE5.3174e-77.2041e-84.2485e-81.7462e-88.8814e-91.0155e-62.2483e-71.2322e-81.9019e-961.3124
SATI GUHHZ5.4958e-76.9054e-83.3717e-81.5153e-89.4927e-91.3627e-61.1534e-71.3983e-81.5965e-974.093
SATI GUHHN1.0427e-61.4099e-76.3347e-82.1684e-81.1069e-83.0666e-61.7940e-71.4203e-83.1530e-974.093
SATI GUHHE9.8757e-71.2297e-76.2346e-82.5531e-82.8487e-82.4565e-62.3039e-75.5886e-84.5785e-974.093
*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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