MANUAL Location - Area: Alpi Pennine , magnitude (ML): 1.3
2025-10-18 12:27:06 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-10-18 14:09:58

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Earthquake info - Manual location
Event - ID :251018122530
Magnitude (ML) :1.3 +/- 0.2
Origin Time :2025-10-18 12:27:06.312 (UTC)
Location : Latitude: 45.908 N, Longitude: 7.012 E
Area :Alpi Pennine
Depth (km) :7.23
Distances (km) : 13.1 --- Courmayeur
16.0 --- Saint-Rhemy-En-Bosses
16.0 --- Pre -Saint-Didier
16.7 --- Morgex
18.0 --- Saint-Oyen
18.5 --- La Salle
19.4 --- Etroubles
21.6 --- La Thuile
22.9 --- Allein
23.9 --- Ollomont
24.1 --- Avise
24.3 --- Saint-Nicolas
24.8 --- Doues
25.6 --- Arvier
25.9 --- Valpelline
26.0 --- Gignod
27.0 --- Roisan
27.4 --- Villeneuve
27.6 --- Introd
27.6 --- Saint-Pierre

Quality location estimate: Erh: 0.9 km, Erz: 0.7 km, Nf: 42, Gap: 153 °, Rms: 0.38


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.
BLANCGU2025-10-18 12:27:09.4600.00600.001.752025-10-18 12:27:10.9280.0400-0.631.1014.1
REMYGU2025-10-18 12:27:10.1000.00800.051.582025-10-18 12:27:12.1700.0421-0.400.8116.7
MRGEIV2025-10-18 12:27:10.1100.0090-0.071.562025-10-18 12:27:12.1100.0521-0.681.0618.1
AOSAIT2025-10-18 12:27:13.0000.02000.250.572025-10-18 12:27:17.2100.0400-0.061.4634.0
DIXCH2025-10-18 12:27:13.7800.0542-0.101.402025-10-18 12:27:18.3450.1043-0.740.9137.1
RSLFR2025-10-18 12:27:13.8700.02000.021.652025-10-18 12:27:18.2900.1273-0.700.9539.3
LSDGU2025-10-18 12:27:15.7000.02610.011.592025-10-18 12:27:21.3800.1514-0.740.8751.6
CIROGU2025-10-18 12:27:16.4300.0281-0.440.912025-10-18 12:27:22.5990.1584-1.670.1755.8
SENINCH2025-10-18 12:27:16.9650.0301-0.111.352025-10-18 12:27:23.9370.2176-0.650.9156.0
VANNICH2025-10-18 12:27:17.0290.02000.111.272025-10-18 12:27:23.6000.1645-0.620.9556.9
SATIGU2025-10-18 12:27:17.8500.0482-0.691.012025-10-18 12:27:25.8450.1945-1.620.1967.2
EMBDCH2025-10-18 12:27:19.4160.0200-0.081.382025-10-18 12:27:27.7370.2116-0.880.6972.5
MMKCH2025-10-18 12:27:19.9870.03810.190.942025-10-18 12:27:28.6270.1002-0.620.9575.9
LATOIV2025-10-18 12:27:19.8000.0200-0.041.442025-10-18 12:27:28.0960.0400-0.870.7076.4
OROIV2025-10-18 12:27:21.0340.02000.161.062025-10-18 12:27:30.0700.3307-1.170.4681.8
SIMPLCH2025-10-18 12:27:21.6550.0432-0.300.992025-10-18 12:27:31.3720.2667-1.460.2886.5
RSPGU2025-10-18 12:27:21.5200.04420.011.372025-10-18 12:27:31.0460.2927-0.870.7087.1
FIESACH2025-10-18 12:27:25.0500.05220.121.112025-10-18 12:27:37.1280.0400-0.720.84103.4
RRLGU2025-10-18 12:27:25.6000.0562-0.261.102025-10-18 12:27:38.8100.4439-0.490.87111.4
BHBGU2025-10-18 12:27:27.1100.06130.240.792025-10-18 12:27:40.9150.0400-0.211.08121.1


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
BLANCGUHH1.351.12e+014.1220
REMY GUHH1.246.29e-116.7125
MRGE IVHH1.569.82e-118.1166
AOSA ITHN1.644.28e-134.0124
DIX CHHH1.673.87e-137.158
LSD GUHH1.411.10e-151.6169
CIRO GUHH1.496.09e-255.8128
SENINCHHH1.205.69e-256.024
VANNICHHH0.983.36e-256.953
SATI GUHH1.232.40e-267.293
EMBD CHHH1.012.12e-272.561
MMK CHHH1.181.51e-275.977
ORO IVEH1.454.54e-281.8112
SIMPLCHHH0.931.18e-286.564
RSP GUHH1.363.40e-287.1167
FIESACHHH1.613.73e-2103.455
RRL GUHH1.045.72e-3111.4189
BHB GUHH1.411.46e-2121.1171


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.
(°)
BLANCGUHHZ8.0031e-51.1131e-55.6638e-61.8164e-68.1948e-72.0022e-42.3390e-51.4048e-62.8451e-714.1220
BLANCGUHHN9.9442e-51.7293e-57.6731e-62.5226e-61.3659e-62.2023e-44.0045e-52.2880e-64.6208e-714.1220
BLANCGUHHE1.0189e-41.7915e-58.6153e-63.5208e-61.8771e-64.3715e-42.2925e-53.0316e-64.5887e-714.1220
REMY GUHHZ2.9232e-54.4882e-62.4160e-68.2194e-75.4121e-75.3535e-51.0615e-57.4982e-71.0032e-716.7125
REMY GUHHN4.6629e-57.1194e-63.0916e-61.5714e-67.8987e-78.8431e-51.6558e-51.1616e-61.5703e-716.7125
REMY GUHHE4.7838e-57.1504e-64.2364e-61.4217e-68.9415e-71.0708e-41.8975e-51.4522e-62.3234e-716.7125
MRGE IVHHZ1.3850e-41.4158e-52.8036e-61.0478e-65.9069e-71.0445e-41.4984e-51.1821e-62.8531e-718.1166
MRGE IVHHN2.8987e-43.1933e-55.4969e-62.0280e-61.0609e-63.3190e-41.8251e-52.4405e-65.8782e-718.1166
MRGE IVHHE2.5743e-42.6549e-55.8574e-62.2812e-61.2148e-61.6272e-42.7792e-52.0372e-64.8904e-718.1166
AOSA ITHNZ3.8193e-53.6985e-62.8330e-61.1991e-65.3208e-75.7120e-51.5182e-56.4779e-71.0556e-734.0124
AOSA ITHNN2.9401e-55.8443e-64.0186e-61.3398e-65.9588e-79.4439e-51.9752e-58.8124e-71.3754e-734.0124
AOSA ITHNE3.0301e-54.8309e-63.6764e-61.8515e-65.8151e-78.1020e-51.9830e-57.3659e-71.2719e-734.0124
DIX CHHHZ4.5915e-54.3938e-63.1778e-61.0726e-64.7896e-78.3065e-51.2233e-57.5755e-71.3495e-737.158
DIX CHHHN4.4082e-56.6633e-63.4904e-61.0157e-65.0979e-71.3591e-41.5508e-57.9195e-71.3178e-737.158
DIX CHHHE6.0952e-57.6155e-63.3330e-61.2641e-65.5404e-71.3995e-41.4598e-58.4552e-71.7380e-737.158
LSD GUHHZ1.1063e-51.0487e-63.7797e-71.7410e-78.0545e-81.3490e-51.3242e-61.3406e-72.5065e-851.6169
LSD GUHHN1.9183e-51.6459e-63.5397e-71.1156e-75.8789e-81.9089e-51.5481e-61.2834e-73.0130e-851.6169
LSD GUHHE1.9744e-51.7583e-68.2462e-72.7211e-71.3148e-72.0538e-53.9895e-62.1514e-73.6123e-851.6169
CIRO GUHHZ7.4224e-69.0857e-73.2704e-71.1637e-75.0940e-81.3235e-51.6684e-68.2729e-81.7272e-855.8128
CIRO GUHHN8.1345e-69.2306e-74.8639e-71.8460e-77.7321e-81.0368e-51.9074e-61.3507e-72.1489e-855.8128
CIRO GUHHE6.4455e-68.1099e-72.3217e-79.5734e-85.0461e-81.2906e-51.4204e-68.0482e-81.4892e-855.8128
SENINCHHHZ7.0108e-61.3348e-69.4529e-73.0942e-71.6179e-72.5087e-54.2035e-62.4198e-74.0565e-856.024
SENINCHHHN6.8968e-67.9512e-74.9209e-71.4243e-76.0936e-82.1648e-52.2142e-68.4048e-81.6491e-856.024
SENINCHHHE7.8561e-68.9662e-74.9465e-71.4727e-77.7186e-81.2321e-52.2183e-61.3132e-72.0630e-856.024
VANNICHHHZ1.8296e-62.7715e-72.3573e-71.1089e-75.1169e-83.9067e-61.3889e-66.2928e-87.7580e-956.953
VANNICHHHN2.6785e-63.6370e-73.1760e-71.7169e-75.2590e-85.8946e-61.3156e-66.8250e-81.1663e-856.953
VANNICHHHE1.7799e-62.9995e-72.3359e-71.6661e-75.5987e-85.2173e-61.2938e-66.4079e-88.6127e-956.953
SATI GUHHZ2.3392e-62.5665e-79.4542e-83.6812e-82.9986e-86.3983e-63.5624e-75.1817e-86.1513e-967.293
SATI GUHHN5.9828e-66.6613e-71.5464e-74.1963e-82.5114e-81.0925e-54.9153e-75.2871e-81.1958e-867.293
SATI GUHHE4.6702e-65.9102e-71.5743e-74.2598e-82.6628e-81.2753e-54.5561e-75.5484e-81.2649e-867.293
EMBD CHHHZ1.9028e-64.0891e-72.5748e-71.6703e-77.5951e-84.3321e-61.4086e-69.6373e-81.3189e-872.561
EMBD CHHHN1.4357e-62.4979e-71.8390e-78.0708e-83.2890e-85.6765e-68.9525e-74.6362e-87.4374e-972.561
EMBD CHHHE1.5833e-62.6972e-71.9632e-77.7975e-83.1592e-82.9820e-61.0715e-64.1961e-86.4016e-972.561
MMK CHHHZ1.9695e-62.8917e-71.6537e-74.4379e-82.3135e-86.1035e-67.4652e-73.3299e-86.4096e-975.977
MMK CHHHN2.4734e-62.9018e-71.6026e-74.7305e-82.3368e-87.9033e-66.1013e-73.2723e-87.0153e-975.977
MMK CHHHE2.8063e-62.7324e-79.8716e-83.2620e-81.6385e-85.5413e-64.4532e-72.9777e-85.8019e-975.977
ORO IVEHZ3.1007e-64.2756e-72.7905e-77.3668e-83.6932e-87.5072e-61.6603e-65.2555e-89.5767e-981.8112
ORO IVEHN4.9807e-65.5417e-74.5603e-71.6122e-77.1715e-81.3091e-53.1201e-61.0409e-71.6747e-881.8112
ORO IVEHE4.7858e-66.5465e-73.6869e-71.1113e-75.4390e-88.8737e-61.9279e-69.1793e-81.6284e-881.8112
SIMPLCHHHZ1.2848e-61.9284e-71.3498e-74.0753e-81.8090e-83.1791e-67.0726e-72.9017e-84.9306e-986.564
SIMPLCHHHN2.2416e-62.1514e-71.2601e-74.4822e-81.9714e-83.2775e-66.8244e-73.0515e-85.7198e-986.564
SIMPLCHHHE1.3547e-61.8938e-71.0858e-73.8370e-81.6815e-84.0447e-65.3216e-72.3860e-84.5817e-986.564
RSP GUHHZ1.9300e-63.5943e-72.1028e-74.9391e-82.5096e-84.4187e-61.0234e-64.0540e-87.5581e-987.1167
RSP GUHHN2.4613e-63.6764e-72.7361e-76.1154e-83.5220e-88.0666e-61.4147e-65.1915e-88.6724e-987.1167
RSP GUHHE2.9058e-65.5771e-73.3794e-76.4196e-84.0702e-88.7888e-61.7857e-66.8190e-81.3552e-887.1167
FIESACHHHZ2.3426e-62.8699e-72.2196e-71.3029e-75.6811e-85.4546e-61.1945e-67.3221e-87.1956e-9103.455
FIESACHHHN1.7729e-63.5720e-73.2374e-71.4061e-77.4658e-83.4894e-62.1625e-69.1683e-81.1464e-8103.455
FIESACHHHE1.7819e-63.8433e-73.0180e-71.7091e-78.4582e-84.0538e-62.3833e-69.9093e-81.0246e-8103.455
RRL GUHHZ6.2982e-78.8337e-83.5624e-81.3346e-87.0480e-98.1754e-71.7684e-71.1003e-81.0808e-9111.4189
RRL GUHHN3.7896e-76.8484e-84.8692e-82.4568e-81.2492e-81.1623e-62.9394e-71.4682e-81.7117e-9111.4189
RRL GUHHE2.7253e-75.2439e-84.8403e-82.6472e-81.2434e-88.6076e-72.0211e-71.4680e-81.5840e-9111.4189
BHB GUHHZ7.0530e-71.8934e-71.2261e-76.4666e-83.1788e-81.9638e-63.8012e-75.3300e-85.2510e-9121.1171
BHB GUHHN1.0176e-62.2449e-71.4005e-73.7341e-82.1018e-83.5405e-66.7015e-73.4710e-85.3541e-9121.1171
BHB GUHHE6.2592e-71.6908e-71.0891e-73.8667e-81.9910e-81.7728e-63.9303e-73.3357e-84.2741e-9121.1171
*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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