MANUAL Location - Area: Alpi Pennine , magnitude (ML): 0.5
2025-11-23 01:46:09 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-11-24 07:59:45

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Earthquake info - Manual location
Event - ID :251123014543
Magnitude (ML) :0.5 +/- 0.2
Origin Time :2025-11-23 01:46:09.356 (UTC)
Location : Latitude: 45.906 N, Longitude: 7.025 E
Area :Alpi Pennine
Depth (km) :6.01
Distances (km) : 13.1 --- Courmayeur
15.1 --- Saint-Rhemy-En-Bosses
16.0 --- Pre -Saint-Didier
16.4 --- Morgex
17.0 --- Saint-Oyen
18.0 --- La Salle
18.4 --- Etroubles
21.7 --- La Thuile
21.9 --- Allein
22.8 --- Ollomont
23.5 --- Avise
23.6 --- Saint-Nicolas
23.8 --- Doues
24.9 --- Valpelline
24.9 --- Arvier
25.1 --- Gignod
26.0 --- Roisan
26.6 --- Villeneuve
26.8 --- Saint-Pierre
26.9 --- Introd

Quality location estimate: Erh: 0.7 km, Erz: 1 km, Nf: 36, Gap: 109 °, Rms: 0.29


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.
BLANCGU2025-11-23 01:46:12.4100.0060-0.021.752025-11-23 01:46:13.8450.0400-0.620.7713.6
REMYGU2025-11-23 01:46:13.0180.03610.180.742025-11-23 01:46:15.1140.0400-0.061.5815.2
MRGEIV2025-11-23 01:46:13.1000.00900.051.632025-11-23 01:46:15.0540.0752-0.490.9217.2
DIXCH2025-11-23 01:46:16.7540.0200-0.001.682025-11-23 01:46:21.2500.1173-0.600.8136.1
RSLFR2025-11-23 01:46:16.8200.0200-0.171.102025-11-23 01:46:21.3210.2296-0.860.5239.7
LSDGU2025-11-23 01:46:18.7030.02000.081.412025-11-23 01:46:24.2670.1002-0.720.6751.0
CIROGU2025-11-23 01:46:19.3390.0200-0.380.912025-11-23 01:46:25.5800.1655-1.410.1654.7
SENINCH2025-11-23 01:46:19.9050.0200-0.141.272025-11-23 01:46:27.4500.0400-0.071.3155.7
VANNICH2025-11-23 01:46:19.9030.02000.091.322025-11-23 01:46:26.7620.0400-0.251.1356.1
SATIGU2025-11-23 01:46:21.2620.0200-0.121.332025-11-23 01:46:29.0300.1965-1.150.3066.0
EMBDCH2025-11-23 01:46:22.6020.02000.220.702025-11-23 01:46:30.4670.0400-0.920.4471.6
CANIGU2025-11-23 01:46:22.3640.02000.141.092025-11-23 01:46:30.9140.0400-0.041.2373.8
MMKCH2025-11-23 01:46:22.2170.0200-0.440.942025-11-23 01:46:31.4200.0400-0.570.8474.9
LATOIV2025-11-23 01:46:22.6510.0200-0.091.392025-11-23 01:46:31.0170.0400-0.760.6275.6
SIMPLCH2025-11-23 01:46:24.5520.0200-0.281.062025-11-23 01:46:34.9350.0400-0.660.7485.6
RSPGU2025-11-23 01:46:24.0790.0200-0.370.982025-11-23 01:46:33.7910.0400-0.990.3986.6


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
BLANCGUHH0.501.68e-113.6226
MRGE IVHH0.821.98e-117.2169
DIX CHHH0.927.24e-236.156
LSD GUHH0.732.38e-251.0170
CIRO GUHH0.496.33e-354.7128
SENINCHHH0.297.20e-355.722
VANNICHHH0.246.29e-356.152
SATI GUHH0.626.09e-366.093
EMBD CHHH0.233.64e-371.661
CANI GUHH0.394.97e-373.8135
MMK CHHH0.634.45e-374.977
SIMPLCHHH0.172.10e-385.664
RSP GUHH0.687.18e-386.6167


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.
(°)
BLANCGUHHZ1.5583e-52.9491e-61.0248e-62.6668e-71.7654e-74.1478e-55.1107e-62.8838e-75.4625e-813.6226
BLANCGUHHN3.6742e-53.6179e-61.3689e-64.4380e-72.5770e-76.0061e-55.9777e-64.1781e-77.2178e-813.6226
BLANCGUHHE2.9048e-53.1361e-61.3433e-64.3761e-71.9736e-75.4832e-57.8505e-62.9773e-76.4491e-813.6226
REMY GUHHZ8.5228e-61.0469e-61.9930e-76.4690e-83.7784e-87.2393e-69.0489e-76.3407e-81.4505e-815.2126
REMY GUHHN5.9293e-67.2194e-72.6054e-79.7000e-84.7722e-89.3873e-69.1636e-78.8352e-81.7532e-815.2126
REMY GUHHE5.6858e-68.4824e-72.7474e-79.5926e-85.1583e-81.0127e-59.1375e-77.3125e-81.5104e-815.2126
MRGE IVHHZ3.1499e-53.3049e-65.4551e-71.8503e-71.0524e-72.1659e-52.8598e-62.4435e-76.7706e-817.2169
MRGE IVHHN7.8824e-57.0097e-61.0804e-63.8273e-72.0627e-76.2424e-54.0886e-65.0939e-71.4374e-717.2169
MRGE IVHHE5.7619e-55.1622e-61.2749e-64.2003e-72.5264e-74.0044e-55.8000e-64.2497e-79.3901e-817.2169
DIX CHHHZ6.0352e-66.6697e-73.8842e-71.8485e-77.2301e-81.1906e-51.6437e-61.1060e-71.8477e-836.156
DIX CHHHN9.6046e-61.1651e-65.1867e-73.3107e-71.1763e-72.1328e-52.3144e-61.4346e-72.4526e-836.156
DIX CHHHE7.8579e-67.9319e-73.7993e-71.6495e-76.5283e-81.4233e-51.3868e-69.5130e-81.8538e-836.156
LSD GUHHZ3.0185e-62.7750e-78.9711e-83.6042e-82.2737e-82.2016e-62.9741e-73.8035e-85.8413e-951.0170
LSD GUHHN4.2986e-62.9856e-77.2620e-82.5413e-81.3124e-82.6701e-62.9986e-72.3194e-86.1409e-951.0170
LSD GUHHE4.6137e-64.3057e-71.6359e-75.9253e-82.8575e-83.7633e-67.6743e-74.6460e-88.1386e-951.0170
CIRO GUHHZ1.0355e-61.3910e-74.5288e-81.4144e-87.0046e-91.8442e-61.9733e-71.0565e-82.6131e-954.7128
CIRO GUHHN1.3922e-61.5289e-75.3270e-81.5508e-88.9197e-91.4848e-62.0081e-71.2524e-82.6740e-954.7128
CIRO GUHHE9.9798e-71.0417e-72.8301e-81.0326e-85.8620e-91.5766e-61.2802e-79.1798e-92.1202e-954.7128
SENINCHHHZ1.2622e-61.8112e-71.0663e-73.8972e-82.4329e-83.0836e-64.6892e-73.1443e-86.8003e-955.722
SENINCHHHN7.4210e-79.3185e-85.8838e-82.7682e-82.1324e-81.9747e-62.7374e-72.9375e-82.5292e-955.722
SENINCHHHE1.0658e-61.4097e-77.2666e-82.5689e-81.7573e-82.5211e-62.9977e-72.4788e-83.7143e-955.722
VANNICHHHZ3.5572e-74.7516e-83.4349e-81.7423e-88.2809e-95.3871e-72.3217e-71.0209e-81.5241e-956.152
VANNICHHHN3.8232e-76.7819e-84.2163e-82.8335e-82.2517e-86.6987e-71.8879e-73.6833e-85.7895e-956.152
VANNICHHHE3.7065e-75.2503e-83.9872e-82.5920e-81.2346e-89.4375e-71.9115e-71.4175e-81.7310e-956.152
SATI GUHHZ8.1949e-78.4657e-82.8494e-89.0614e-95.7476e-91.7383e-61.2804e-71.1305e-81.6756e-966.093
SATI GUHHN1.6551e-61.7254e-73.7702e-89.0765e-97.8375e-94.0228e-61.0574e-71.4736e-82.5582e-966.093
SATI GUHHE1.3761e-61.5315e-74.2450e-81.2525e-81.1112e-83.4342e-61.2728e-71.8096e-83.0638e-966.093
EMBD CHHHZ4.0011e-78.3665e-84.4987e-82.8103e-81.0175e-81.2070e-62.3934e-71.3381e-82.3208e-971.661
EMBD CHHHN3.2932e-75.2575e-83.2741e-81.1925e-86.2238e-91.1754e-61.6010e-79.4754e-91.6474e-971.661
EMBD CHHHE3.9030e-73.7353e-82.7135e-81.1365e-86.7181e-96.6727e-71.5620e-79.1363e-91.0483e-971.661
CANI GUHHZ6.7022e-78.5846e-82.8425e-89.7700e-96.2966e-91.2686e-69.0549e-81.0962e-81.6945e-973.8135
CANI GUHHN8.2140e-71.0888e-73.9772e-81.3299e-88.0867e-91.9991e-61.4940e-71.2325e-82.6769e-973.8135
CANI GUHHE9.1677e-71.0380e-74.7652e-81.8308e-88.1236e-91.8715e-61.8817e-71.5504e-82.4613e-973.8135
MMK CHHHZ3.8861e-75.3968e-82.9303e-89.6995e-96.9193e-99.1555e-71.0008e-71.1144e-81.1488e-974.977
MMK CHHHN4.3387e-75.6369e-83.4202e-81.8043e-82.5389e-81.2248e-61.3007e-74.6388e-84.2115e-974.977
MMK CHHHE4.4827e-75.4584e-82.2011e-89.3825e-95.1544e-97.1359e-78.8770e-87.6396e-91.1514e-974.977
SIMPLCHHHZ1.8665e-73.0402e-81.8138e-88.5267e-96.2640e-94.4933e-78.1639e-89.0163e-96.4103e-1085.664
SIMPLCHHHN2.2052e-73.3198e-81.8257e-81.0775e-87.2962e-94.7344e-71.1118e-78.9852e-98.9859e-1085.664
SIMPLCHHHE1.7849e-73.3082e-81.8569e-87.8675e-94.3476e-97.3917e-79.0345e-85.4738e-98.5599e-1085.664
RSP GUHHZ4.1680e-77.6705e-83.6489e-81.4695e-82.3566e-81.5078e-61.5490e-74.4961e-84.6214e-986.6167
RSP GUHHN5.4700e-78.2234e-84.6507e-81.8665e-82.2200e-81.1963e-62.0513e-74.0503e-86.7278e-986.6167
RSP GUHHE5.8449e-71.1876e-76.7616e-81.8061e-81.2835e-81.7517e-63.3415e-71.7661e-82.5852e-986.6167
*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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