MANUAL Location - Area: Francia , magnitude (ML): 1.5
2026-09-18 10:39:26 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2026-09-18 18:12:52

RSNI Logo


Earthquake info - Manual location
Event - ID :260918103838
Magnitude (ML) :1.5 +/- 0.2
Origin Time :2026-09-18 10:39:26.449 (UTC)
Location : Latitude: 45.175 N, Longitude: 6.551 E
Area :Francia
Depth (km) :11.07
Distances (km) : 15.9 --- Bardonecchia
27.1 --- Oulx
28.5 --- Salbertrand
29.2 --- Sauze d Oulx
30.4 --- Claviere
30.9 --- Exilles
31.1 --- Cesana Torinese
34.1 --- Moncenisio
34.7 --- Chiomonte
35.2 --- Sestriere
35.4 --- Pragelato
35.6 --- Sauze di Cesana
36.0 --- Venaus
36.5 --- Novalesa
36.5 --- Giaglione
37.3 --- Gravere
38.3 --- Mompantero
39.5 --- Susa
40.0 --- Usseaux
41.1 --- Meana di Susa

Quality location estimate: Erh: 1 km, Erz: 1.6 km, Nf: 28, Gap: 184 °, Rms: 0.24


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.
OGMOFR2026-09-18 10:39:30.0800.01000.410.872026-09-18 10:39:31.8800.0400-0.011.6315.6
RRLGU2026-09-18 10:39:33.5200.01900.031.582026-09-18 10:39:38.2840.1173-0.141.2336.3
OGAGFR2026-09-18 10:39:34.7000.0231-0.051.532026-09-18 10:39:40.6700.1374-0.031.3244.7
FENEIV2026-09-18 10:39:35.1700.02000.410.852026-09-18 10:39:40.8130.04000.301.0144.8
LSDGU2026-09-18 10:39:37.0100.02910.021.532026-09-18 10:39:43.6400.2787-0.600.5357.1
RSPGU2026-09-18 10:39:37.3900.03010.370.902026-09-18 10:39:44.4880.28970.121.0757.4
RSLFR2026-09-18 10:39:37.1500.0301-0.011.532026-09-18 10:39:44.5000.2096-0.011.2058.5
BHBGU2026-09-18 10:39:39.1800.04010.181.222026-09-18 10:39:47.3300.2106-0.380.8068.5
PONCIV2026-09-18 10:39:39.7600.02000.360.902026-09-18 10:39:48.6510.04000.031.2972.5
LATOIV2026-09-18 10:39:39.9150.02000.151.272026-09-18 10:39:48.7190.0400-0.250.9973.5
MRGEIV2026-09-18 10:39:40.1900.0200-0.540.462026-09-18 10:39:49.4200.6689-1.080.3278.2
PZZGU2026-09-18 10:39:41.7100.0442-0.270.932026-09-18 10:39:53.0560.4158-0.120.8887.4
CIROGU2026-09-18 10:39:43.0700.0472-0.820.232026-09-18 10:39:53.6330.0400-2.030.0193.5
CANIGU2026-09-18 10:39:43.2900.0200-0.141.232026-09-18 10:39:54.5720.0400-0.470.6894.5


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
RRL GUHH1.692.88e-136.3146
OGAG FRHH1.592.21e-144.7181
FENE IVHH1.291.11e-144.8112
LSD GUHH1.378.22e-257.155
RSP GUHH1.511.21e-157.493
BHB GUHH1.547.45e-268.5124
PONC IVHH1.701.04e-172.5148
MRGE IVHH0.981.44e-278.231
PZZ GUHH1.741.28e-187.4149
CIRO GUHH1.431.70e-293.559
CANI GUHH1.412.91e-294.572


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.
(°)
RRL GUHHZ9.4585e-61.5073e-61.0765e-65.5778e-71.9504e-72.6545e-54.3218e-62.6498e-74.1018e-836.3146
RRL GUHHN1.4372e-52.6259e-62.0821e-66.0591e-72.4578e-74.5223e-51.3508e-53.7523e-76.1380e-836.3146
RRL GUHHE1.0345e-53.2274e-62.6208e-61.0280e-65.1363e-73.8771e-51.3027e-56.8867e-79.4602e-836.3146
OGAG FRHHZ5.2366e-61.0843e-61.0046e-64.5405e-71.7716e-71.9294e-56.3125e-62.3181e-73.2222e-844.7181
OGAG FRHHN5.5938e-61.8399e-61.5867e-67.9653e-73.8653e-71.6315e-51.0097e-55.3264e-76.5974e-844.7181
OGAG FRHHE5.2002e-61.4991e-61.5718e-61.1447e-64.5781e-71.2002e-51.0744e-55.5713e-75.6873e-844.7181
FENE IVHHZ6.1913e-69.3635e-76.6437e-72.2698e-78.9109e-81.4930e-53.2438e-61.3456e-71.9818e-844.8112
FENE IVHHN8.4649e-61.4936e-61.2056e-63.4528e-71.3090e-72.2544e-55.0162e-61.9124e-73.7678e-844.8112
FENE IVHHE6.8869e-69.7183e-76.4363e-71.8018e-78.4864e-81.8267e-53.0785e-61.1871e-72.2865e-844.8112
LSD GUHHZ7.5854e-61.2980e-67.9421e-72.7149e-71.1923e-71.7131e-54.0092e-61.9266e-73.1214e-857.155
LSD GUHHN7.9809e-61.2525e-67.9771e-72.0559e-71.2012e-73.4814e-52.8947e-61.7732e-73.2040e-857.155
LSD GUHHE7.2850e-68.5112e-76.2876e-71.7103e-77.5582e-81.1853e-53.0974e-61.1661e-72.1215e-857.155
RSP GUHHZ8.2346e-69.4798e-74.5678e-71.3189e-76.7194e-81.7769e-52.8385e-61.0328e-72.1059e-857.493
RSP GUHHN7.2947e-61.0751e-67.8171e-72.3670e-79.8853e-82.0678e-53.5162e-61.4122e-72.5618e-857.493
RSP GUHHE1.0493e-52.0938e-69.6396e-72.5648e-71.3851e-73.6634e-54.0579e-62.4554e-74.5751e-857.493
BHB GUHHZ5.4596e-61.1248e-66.2939e-72.1111e-79.3583e-81.9019e-52.4589e-61.4267e-72.5489e-868.5124
BHB GUHHN6.3803e-61.3389e-66.9650e-72.3745e-79.7403e-81.8526e-52.8938e-61.4547e-72.9877e-868.5124
BHB GUHHE3.5503e-65.9371e-74.3610e-71.8265e-77.0926e-81.1977e-51.5532e-61.0898e-71.3159e-868.5124
PONC IVHHZ8.7918e-67.6105e-75.7419e-72.4584e-71.1487e-79.1155e-62.9421e-61.4533e-72.0290e-872.5148
PONC IVHHN7.5455e-61.4186e-61.0010e-63.1066e-71.4466e-73.3450e-53.4164e-62.0252e-73.8533e-872.5148
PONC IVHHE4.4052e-68.2164e-76.6499e-72.8409e-71.0574e-71.3741e-52.9390e-61.5256e-72.1848e-872.5148
MRGE IVHHZ1.6540e-61.7885e-71.5190e-74.8259e-81.9213e-82.6337e-69.2588e-72.6917e-85.4000e-978.231
MRGE IVHHN2.1056e-62.6621e-71.4090e-75.8141e-83.5176e-84.0687e-66.5536e-75.4444e-85.8518e-978.231
MRGE IVHHE1.8139e-62.4078e-71.4571e-76.6177e-82.9510e-84.7725e-66.8429e-73.6606e-84.8169e-978.231
PZZ GUHHZ5.7075e-61.4555e-61.2421e-63.8377e-71.9428e-71.8022e-57.6137e-62.4324e-73.5610e-887.4149
PZZ GUHHN5.3892e-61.5064e-61.2019e-63.1929e-71.7593e-71.7477e-55.7988e-62.6592e-73.5531e-887.4149
PZZ GUHHE6.3884e-61.5824e-61.3791e-63.7872e-71.7625e-71.9436e-57.0013e-62.6883e-74.0377e-887.4149
CIRO GUHHZ9.9419e-71.8308e-71.4825e-77.5231e-82.9102e-82.5799e-68.3565e-73.7105e-86.1055e-993.559
CIRO GUHHN1.0333e-61.7301e-71.4953e-78.6989e-85.0538e-83.1531e-67.0523e-77.8240e-88.0304e-993.559
CIRO GUHHE1.0155e-61.9115e-71.6139e-76.8734e-83.0982e-83.6361e-67.9720e-73.8534e-84.4670e-993.559
CANI GUHHZ2.0468e-63.6198e-72.1962e-78.4757e-83.6198e-85.7001e-61.1491e-64.5103e-88.8495e-994.572
CANI GUHHN2.3654e-63.7784e-72.7340e-78.8379e-83.8893e-81.0185e-51.6752e-65.8634e-89.5549e-994.572
CANI GUHHE1.9693e-63.0946e-72.4282e-79.0978e-84.1221e-84.4699e-61.2843e-65.3363e-87.9174e-994.572
*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)

rsni