MANUAL Location - Area: Alpi Pennine , magnitude (ML): 0.6
2025-10-18 12:45:14 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-10-18 14:20:12

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Earthquake info - Manual location
Event - ID :251018124409
Magnitude (ML) :0.6 +/- 0.2
Origin Time :2025-10-18 12:45:14.091 (UTC)
Location : Latitude: 45.891 N, Longitude: 7.059 E
Area :Alpi Pennine
Depth (km) :11.63
Distances (km) : 12.0 --- Saint-Rhemy-En-Bosses
12.7 --- Courmayeur
13.8 --- Saint-Oyen
14.8 --- Morgex
15.1 --- Pre -Saint-Didier
15.2 --- Etroubles
16.0 --- La Salle
18.8 --- Allein
19.8 --- Ollomont
20.7 --- Doues
21.0 --- Saint-Nicolas
21.0 --- La Thuile
21.0 --- Avise
21.8 --- Valpelline
21.9 --- Gignod
22.3 --- Arvier
22.8 --- Roisan
23.8 --- Villeneuve
23.9 --- Saint-Pierre
24.3 --- Introd

Quality location estimate: Erh: 1.4 km, Erz: 1.7 km, Nf: 24, Gap: 143 °, Rms: 0.34


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.
REMYGU2025-10-18 12:45:18.4300.00500.750.352025-10-18 12:45:20.2440.10020.121.5217.0
MRGEIV2025-10-18 12:45:18.4500.00600.570.772025-10-18 12:45:20.4400.0230-0.001.6918.9
DIXCH2025-10-18 12:45:21.9460.02000.510.942025-10-18 12:45:26.4260.0400-0.071.4036.8
RSLFR2025-10-18 12:45:22.0720.0200-0.041.562025-10-18 12:45:26.5470.0400-1.030.0542.1
LSDGU2025-10-18 12:45:24.0300.04720.890.302025-10-18 12:45:29.5460.12330.211.4050.2
CIROGU2025-10-18 12:45:24.0600.0200-0.001.622025-10-18 12:45:30.9300.1273-0.111.1952.8
VANNICH2025-10-18 12:45:24.5250.02000.081.592025-10-18 12:45:31.9900.04000.411.1456.2
SENINCH2025-10-18 12:45:25.2760.02000.301.172025-10-18 12:45:32.1110.0400-0.470.4457.3
SATIGU2025-10-18 12:45:25.0610.0200-0.710.202025-10-18 12:45:34.7060.04000.381.2064.3
EMBDCH2025-10-18 12:45:27.3870.02000.451.052025-10-18 12:45:35.7340.0400-0.101.2070.9
MMKCH2025-10-18 12:45:26.6550.0200-0.470.352025-10-18 12:45:37.2390.04000.960.3373.5


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
REMY GUHH0.561.27e-117.0128
MRGE IVHH0.881.89e-118.9179
DIX CHHH0.937.10e-236.851
LSD GUHH0.471.35e-250.2173
CIRO GUHH0.751.23e-252.8129
VANNICHHH0.236.11e-356.249
SENINCHHH0.671.62e-257.319
SATI GUHH0.504.93e-364.391
EMBD CHHH0.284.19e-370.958
MMK CHHH0.654.85e-373.575


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.
(°)
REMY GUHHZ7.8124e-69.6742e-74.7420e-71.1327e-76.0596e-81.0634e-52.0175e-61.1367e-72.2669e-817.0128
REMY GUHHN1.0305e-51.5751e-66.1494e-72.6878e-71.2486e-71.8931e-53.4712e-61.8123e-73.2800e-817.0128
REMY GUHHE1.3719e-51.7338e-68.6336e-72.8831e-71.7954e-72.5911e-53.7918e-62.9779e-75.0477e-817.0128
MRGE IVHHZ3.0568e-52.9746e-65.5359e-71.9605e-71.0876e-72.0063e-52.9576e-62.2639e-75.8540e-818.9179
MRGE IVHHN6.2717e-56.7847e-61.0720e-63.6036e-71.9549e-76.5179e-53.6366e-64.7864e-71.2503e-718.9179
MRGE IVHHE5.4927e-55.7981e-69.2974e-73.4463e-71.6936e-73.1209e-54.0121e-63.6346e-79.9094e-818.9179
DIX CHHHZ8.2333e-68.3533e-75.0783e-71.8823e-78.6617e-89.9398e-62.0960e-61.2333e-71.9710e-836.851
DIX CHHHN1.0910e-51.2269e-66.4313e-71.6016e-78.0663e-82.0779e-52.6481e-61.3137e-72.5572e-836.851
DIX CHHHE1.2807e-51.4603e-66.0892e-72.3616e-71.0997e-72.8401e-52.6986e-61.7320e-73.0921e-836.851
LSD GUHHZ1.5561e-61.5039e-75.0156e-82.4129e-81.1941e-82.2715e-61.4064e-72.1970e-83.3130e-950.2173
LSD GUHHN2.4726e-62.7513e-74.9449e-81.6061e-88.7934e-92.7205e-61.9280e-72.0162e-85.0813e-950.2173
LSD GUHHE4.2097e-63.8104e-71.1185e-73.4069e-81.6686e-83.2563e-65.2001e-72.6169e-85.8376e-950.2173
CIRO GUHHZ1.6097e-61.8422e-76.4030e-82.2793e-81.1947e-82.7088e-63.3587e-72.3226e-83.6088e-952.8129
CIRO GUHHN2.6139e-62.1837e-79.2939e-83.6536e-81.6152e-82.0391e-63.7735e-72.6610e-84.2388e-952.8129
CIRO GUHHE1.8899e-61.7471e-74.9330e-82.2232e-81.0120e-82.7746e-62.6068e-71.5951e-83.3996e-952.8129
VANNICHHHZ3.3439e-75.5529e-83.9233e-82.0063e-81.0151e-88.7123e-72.1064e-71.2715e-81.3897e-956.249
VANNICHHHN4.3190e-77.6941e-86.0386e-83.3403e-81.2421e-81.0043e-63.2248e-71.7917e-82.0432e-956.249
VANNICHHHE3.5821e-75.9801e-84.4653e-83.6351e-82.3412e-81.1053e-62.7467e-73.3691e-82.9727e-956.249
SENINCHHHZ1.6119e-63.0602e-72.0679e-76.8223e-84.1168e-85.3244e-68.4459e-76.0839e-89.7325e-957.319
SENINCHHHN1.3488e-61.7427e-71.0115e-74.1776e-82.3744e-84.1078e-65.3317e-73.0067e-83.7545e-957.319
SENINCHHHE2.0132e-62.3746e-71.0688e-75.9908e-84.8734e-83.1511e-64.1706e-76.5119e-81.8047e-857.319
SATI GUHHZ5.1006e-75.3892e-81.9848e-81.0773e-87.7278e-91.2227e-66.6734e-81.1882e-81.2217e-964.391
SATI GUHHN1.0666e-61.2510e-73.0366e-81.2584e-87.6612e-92.4719e-61.0380e-71.2692e-82.5546e-964.391
SATI GUHHE9.3375e-79.0583e-83.7316e-81.2798e-81.0499e-82.8197e-61.0935e-71.5638e-82.2867e-964.391
EMBD CHHHZ3.3069e-76.2293e-83.9840e-84.0514e-83.0181e-87.0832e-72.0504e-73.4271e-83.3390e-970.958
EMBD CHHHN2.7899e-74.5778e-83.0990e-81.9277e-81.9995e-81.0016e-61.5544e-73.1069e-82.3196e-970.958
EMBD CHHHE3.1239e-74.3959e-83.3202e-81.7472e-88.7184e-95.1197e-71.2064e-71.0164e-81.3101e-970.958
MMK CHHHZ3.7365e-75.9933e-83.4724e-81.2624e-81.3362e-89.9844e-71.2215e-72.2625e-81.3712e-973.575
MMK CHHHN3.7993e-74.9008e-82.9617e-82.0290e-82.9177e-81.1121e-61.1601e-74.3977e-83.3040e-973.575
MMK CHHHE3.0479e-73.5168e-82.3102e-81.1239e-85.7155e-96.2429e-78.8758e-88.0441e-98.3508e-1073.575
*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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