MANUAL Location - Area: Alpi Pennine , magnitude (ML): 1.3
2025-10-22 23:01:10 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-10-23 07:23:10

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Earthquake info - Manual location
Event - ID :251022225957
Magnitude (ML) :1.3 +/- 0.2
Origin Time :2025-10-22 23:01:10.253 (UTC)
Location : Latitude: 45.895 N, Longitude: 7.014 E
Area :Alpi Pennine
Depth (km) :6.71
Distances (km) : 11.7 --- Courmayeur
14.7 --- Pre -Saint-Didier
15.1 --- Saint-Rhemy-En-Bosses
15.3 --- Morgex
17.0 --- La Salle
17.1 --- Saint-Oyen
18.5 --- Etroubles
20.3 --- La Thuile
22.1 --- Allein
22.8 --- Avise
23.0 --- Saint-Nicolas
23.3 --- Ollomont
24.1 --- Doues
24.3 --- Arvier
25.1 --- Gignod
25.3 --- Valpelline
26.0 --- Villeneuve
26.1 --- Roisan
26.3 --- Introd
26.4 --- Saint-Pierre

Quality location estimate: Erh: 0.8 km, Erz: 0.9 km, Nf: 52, Gap: 73 °, Rms: 0.36


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.
BLANCGU2025-10-22 23:01:13.2400.0060-0.011.752025-10-22 23:01:14.6990.0400-0.551.1913.1
REMYGU2025-10-22 23:01:13.8400.00800.001.762025-10-22 23:01:15.7770.0451-0.471.2615.7
MRGEIV2025-10-22 23:01:13.8600.00900.001.762025-10-22 23:01:15.7750.0491-0.511.2516.6
AOSAIT2025-10-22 23:01:16.7210.02000.180.862025-10-22 23:01:21.1350.04000.190.9232.9
DIXCH2025-10-22 23:01:17.5840.0200-0.310.962025-10-22 23:01:21.9270.1163-1.240.2737.6
RSLFR2025-10-22 23:01:17.6100.0200-0.071.452025-10-22 23:01:22.0500.1213-0.680.8138.5
LSDGU2025-10-22 23:01:19.4400.02610.061.462025-10-22 23:01:25.1000.1504-0.531.0250.1
CIROGU2025-10-22 23:01:20.1300.0281-0.521.182025-10-22 23:01:26.3200.1594-1.600.2354.7
SENINCH2025-10-22 23:01:20.7350.0281-0.471.192025-10-22 23:01:27.2230.0400-1.630.2257.2
VANNICH2025-10-22 23:01:20.9520.02000.011.492025-10-22 23:01:27.3750.2026-0.940.5057.6
SATIGU2025-10-22 23:01:21.9000.0331-0.511.152025-10-22 23:01:30.3500.1002-0.960.4566.8
EMBDCH2025-10-22 23:01:23.2550.0391-0.241.122025-10-22 23:01:31.2010.2136-1.470.2672.9
CANIGU2025-10-22 23:01:23.2830.02000.170.982025-10-22 23:01:31.6770.0400-0.131.2473.6
LATOIV2025-10-22 23:01:23.5320.0200-0.011.402025-10-22 23:01:31.7400.0400-0.760.6875.0
MMKCH2025-10-22 23:01:23.6710.0200-0.071.362025-10-22 23:01:31.8500.3618-1.360.3376.0
OGMOFR2025-10-22 23:01:24.4400.0412-0.091.322025-10-22 23:01:34.1900.0400-0.071.2080.9
OROIV2025-10-22 23:01:24.3900.0552-0.311.132025-10-22 23:01:33.8390.2386-1.120.4181.1
LAUCHCH2025-10-22 23:01:24.9500.0412-0.201.192025-10-22 23:01:35.2950.0400-0.241.1982.6
RSPGU2025-10-22 23:01:25.3300.04420.121.122025-10-22 23:01:34.4900.4128-0.950.5985.6
SIMPLCH2025-10-22 23:01:25.3110.0200-0.630.922025-10-22 23:01:35.6000.3457-1.260.3886.9
FIESACH2025-10-22 23:01:28.6900.0200-0.251.192025-10-22 23:01:41.4290.0400-0.500.99104.0
RRLGU2025-10-22 23:01:29.2310.0200-0.331.162025-10-22 23:01:42.7350.0400-0.111.10110.0
BHBGU2025-10-22 23:01:30.9760.02000.410.342025-10-22 23:01:44.2010.3988-0.440.88119.6


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
BLANCGUHH1.168.20e-113.1228
REMY GUHH1.095.05e-115.7120
MRGE IVHH1.631.34e+016.6165
AOSA ITHN1.553.67e-132.9122
DIX CHHH1.633.41e-137.655
LSD GUHH1.431.23e-150.1169
CIRO GUHH1.395.01e-254.7127
SENINCHHH1.114.51e-257.223
VANNICHHH0.963.11e-257.652
SATI GUHH1.343.14e-266.892
EMBD CHHH1.012.09e-272.960
CANI GUHH1.203.20e-273.6134
MMK CHHH1.191.57e-276.076
ORO IVEH1.414.20e-281.1111
LAUCHCHHH1.252.75e-282.645
RSP GUHH1.383.70e-285.6167
SIMPLCHHH0.911.12e-286.963
FIESACHHH1.654.07e-2104.054
RRL GUHH1.025.56e-3110.0189
BHB GUHH1.431.59e-2119.6171


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.
(°)
BLANCGUHHZ1.0026e-41.2821e-55.4509e-61.3679e-67.6438e-72.7661e-42.4814e-51.2951e-62.8111e-713.1228
BLANCGUHHN1.6005e-42.0366e-57.1005e-61.9702e-61.0601e-63.1955e-43.5052e-51.7312e-64.2123e-713.1228
BLANCGUHHE1.2942e-41.7847e-57.8616e-63.1259e-61.6187e-64.1372e-42.6850e-52.3371e-63.9803e-713.1228
REMY GUHHZ4.4035e-55.6765e-62.0639e-65.2462e-72.7315e-75.7375e-58.7684e-64.2902e-78.4593e-815.7120
REMY GUHHN4.2840e-56.4163e-62.6183e-61.1273e-65.6021e-78.7600e-51.3841e-58.4393e-71.4140e-715.7120
REMY GUHHE4.9549e-57.0308e-63.6118e-61.1330e-67.3347e-79.2072e-51.4425e-51.1702e-62.0274e-715.7120
MRGE IVHHZ2.5392e-42.5358e-53.5752e-61.4000e-68.2488e-71.7225e-41.8521e-51.8700e-64.2393e-716.6165
MRGE IVHHN4.7830e-44.5835e-57.1685e-62.6525e-61.4612e-64.6268e-42.7895e-53.4730e-69.8235e-716.6165
MRGE IVHHE4.0878e-43.7784e-57.3553e-62.8456e-61.3969e-62.6193e-43.6640e-53.0033e-67.4441e-716.6165
AOSA ITHNZ3.9065e-53.7528e-62.9283e-61.4649e-66.7194e-75.4101e-51.4715e-58.3591e-79.2377e-832.9122
AOSA ITHNN2.8318e-55.9105e-63.4671e-61.4150e-66.2566e-79.7832e-51.5249e-58.8184e-71.3748e-732.9122
AOSA ITHNE2.7334e-54.4231e-63.4816e-61.7249e-66.1724e-77.7995e-51.7901e-58.7163e-71.1602e-732.9122
DIX CHHHZ5.4641e-55.6643e-63.2823e-69.9487e-74.9935e-78.7303e-59.9913e-68.6206e-71.6255e-737.655
DIX CHHHN4.8032e-56.2259e-63.1445e-61.0298e-65.3437e-71.1512e-41.4662e-58.0698e-71.2728e-737.655
DIX CHHHE5.6584e-57.1234e-63.1087e-61.0836e-64.5001e-71.2439e-41.2672e-57.3164e-71.4101e-737.655
LSD GUHHZ1.3227e-51.2806e-64.4984e-71.8736e-78.9475e-81.3676e-51.4327e-61.5159e-73.1683e-850.1169
LSD GUHHN2.5305e-52.0295e-64.2834e-71.3638e-77.5721e-82.1104e-51.9403e-61.5925e-73.6510e-850.1169
LSD GUHHE2.2364e-52.4295e-69.5338e-73.1206e-71.5193e-72.6448e-54.8652e-62.3367e-74.4828e-850.1169
CIRO GUHHZ5.7720e-67.1060e-72.7513e-79.7356e-84.3781e-81.0341e-51.4349e-66.3288e-81.2575e-854.7127
CIRO GUHHN8.2909e-67.8773e-74.0325e-71.3710e-76.1668e-89.6417e-61.6044e-61.0584e-71.8068e-854.7127
CIRO GUHHE5.5609e-67.1785e-71.9984e-78.0238e-84.0593e-89.9359e-61.1968e-66.3128e-81.1680e-854.7127
SENINCHHHZ5.4863e-69.4836e-77.3074e-72.2660e-71.0474e-71.9312e-53.1461e-61.5681e-72.5553e-857.223
SENINCHHHN4.5282e-66.1503e-73.7854e-71.2152e-75.5157e-81.4561e-51.5523e-69.1453e-81.8325e-857.223
SENINCHHHE4.6812e-67.1980e-74.1592e-71.7359e-71.2051e-71.2377e-51.9951e-61.6202e-72.9760e-857.223
VANNICHHHZ1.8182e-62.7438e-72.2812e-71.0584e-74.6891e-83.9096e-61.3041e-65.3070e-86.5599e-957.652
VANNICHHHN1.9851e-63.6667e-72.8646e-71.6879e-75.2367e-83.9634e-61.0172e-67.0014e-81.1112e-857.652
VANNICHHHE1.8157e-62.7637e-72.3345e-71.7508e-75.7843e-83.7081e-61.2159e-66.7153e-87.6729e-957.652
SATI GUHHZ2.9925e-63.5438e-79.5387e-83.2938e-81.5063e-86.2466e-63.5611e-72.4086e-86.0446e-966.892
SATI GUHHN8.0865e-68.3271e-71.9926e-76.2438e-83.4753e-81.9395e-56.9623e-77.2114e-81.6322e-866.892
SATI GUHHE5.2479e-67.1195e-71.9683e-75.4767e-83.1637e-81.7687e-55.4951e-76.1434e-81.5069e-866.892
EMBD CHHHZ1.5519e-62.7493e-72.2319e-71.5882e-77.1048e-83.6119e-61.2430e-69.1165e-81.0630e-872.960
EMBD CHHHN1.4280e-62.4369e-71.6661e-77.4789e-83.2747e-83.3016e-66.4438e-74.7763e-86.5841e-972.960
EMBD CHHHE1.6118e-62.4997e-71.9251e-77.6747e-83.2641e-83.9224e-61.0460e-64.5888e-86.6046e-972.960
CANI GUHHZ5.7942e-65.3517e-71.8420e-76.2361e-83.8585e-87.0392e-65.7323e-76.3327e-81.5909e-873.6134
CANI GUHHN6.8980e-66.4131e-72.3263e-76.9066e-83.3405e-88.8654e-69.3216e-75.3939e-81.3499e-873.6134
CANI GUHHE5.6007e-66.6770e-72.9262e-77.4950e-84.2164e-81.6423e-51.1792e-68.3662e-81.6296e-873.6134
MMK CHHHZ2.9748e-63.3875e-71.6911e-74.6370e-81.9915e-85.0274e-66.5276e-73.2530e-87.7510e-976.076
MMK CHHHN2.2659e-62.9694e-71.6844e-74.6300e-82.2009e-87.2303e-66.3414e-73.7154e-86.6846e-976.076
MMK CHHHE2.9611e-63.6485e-71.0993e-73.6207e-82.2779e-85.7194e-63.9714e-74.2660e-88.8823e-976.076
ORO IVEHZ2.7847e-63.9128e-72.3383e-75.8840e-82.8641e-87.1825e-61.3536e-64.3814e-89.0436e-981.1111
ORO IVEHN3.3514e-65.3954e-73.7979e-71.2662e-76.3920e-81.1670e-52.1507e-69.7482e-81.5881e-881.1111
ORO IVEHE4.9113e-65.4897e-73.2939e-79.8113e-84.3629e-88.8466e-61.6922e-66.7541e-81.3209e-881.1111
LAUCHCHHHZ1.6103e-62.2726e-71.3111e-74.7637e-82.1169e-86.7333e-65.0965e-73.7946e-85.3086e-982.645
LAUCHCHHHN1.7972e-62.8411e-71.7903e-75.5968e-83.0958e-88.6681e-67.5067e-75.0930e-86.6812e-982.645
LAUCHCHHHE2.0141e-64.2459e-72.9501e-78.8488e-83.8851e-87.6876e-61.4539e-65.7418e-89.7076e-982.645
RSP GUHHZ1.9834e-63.1287e-72.0944e-75.0606e-82.4815e-84.6800e-61.0240e-63.9659e-87.8304e-985.6167
RSP GUHHN6.4889e-63.9305e-72.7543e-76.3780e-83.8551e-85.9697e-61.3555e-66.2517e-89.5339e-985.6167
RSP GUHHE3.3701e-65.9794e-73.5023e-77.1503e-84.2169e-81.1186e-51.8155e-67.2579e-81.4147e-885.6167
SIMPLCHHHZ1.1885e-61.6285e-71.2284e-73.7528e-81.5104e-82.4900e-66.5438e-72.2555e-83.5145e-986.963
SIMPLCHHHN1.4160e-61.5866e-71.1548e-74.2813e-81.7911e-83.3069e-66.8501e-72.2792e-84.0616e-986.963
SIMPLCHHHE1.0435e-61.6127e-71.0017e-73.4947e-81.4494e-82.7750e-64.2883e-71.9282e-84.2032e-986.963
FIESACHHHZ2.6659e-63.1336e-72.2309e-71.0825e-74.5733e-87.8195e-61.0628e-67.4038e-87.8933e-9104.054
FIESACHHHN2.0104e-63.5046e-72.9333e-72.0031e-71.4608e-74.0034e-61.8883e-61.7155e-74.6637e-8104.054
FIESACHHHE1.7106e-63.6441e-72.5847e-71.5088e-77.7616e-86.2415e-61.9543e-68.7228e-81.0494e-8104.054
RRL GUHHZ5.3093e-78.4415e-83.3205e-81.3236e-88.5115e-97.4929e-71.3843e-71.1422e-81.4745e-9110.0189
RRL GUHHN3.5191e-75.2334e-84.4239e-81.9984e-81.1220e-81.0278e-63.1160e-71.4063e-81.6347e-9110.0189
RRL GUHHE2.8519e-75.2385e-84.7304e-82.3540e-81.3291e-89.7619e-71.9133e-71.5265e-81.7068e-9110.0189
BHB GUHHZ7.7115e-71.8877e-71.2632e-75.9944e-81.9938e-82.5184e-63.7106e-72.7565e-85.1020e-9119.6171
BHB GUHHN1.2064e-62.6368e-71.5612e-73.9436e-81.9552e-84.0849e-67.9418e-73.0418e-86.2866e-9119.6171
BHB GUHHE7.5132e-71.5131e-71.0966e-74.0728e-81.7505e-82.1184e-63.3734e-72.4329e-84.5529e-9119.6171
*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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