MANUAL Location - Area: Alpi Pennine , magnitude (ML): 0.4
2025-11-22 02:19:15 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-11-24 07:37:34

RSNI Logo

Earthquake info - Manual location
Event - ID :251122021801
Magnitude (ML) :0.4 +/- 0.2
Origin Time :2025-11-22 02:19:15.478 (UTC)
Location : Latitude: 45.904 N, Longitude: 7.017 E
Area :Alpi Pennine
Depth (km) :8.73
Distances (km) : 12.7 --- Courmayeur
15.4 --- Saint-Rhemy-En-Bosses
15.6 --- Pre -Saint-Didier
16.2 --- Morgex
17.4 --- Saint-Oyen
17.9 --- La Salle
18.8 --- Etroubles
21.3 --- La Thuile
22.3 --- Allein
23.4 --- Ollomont
23.5 --- Avise
23.7 --- Saint-Nicolas
24.3 --- Doues
25.0 --- Arvier
25.4 --- Valpelline
25.4 --- Gignod
26.4 --- Roisan
26.7 --- Villeneuve
27.0 --- Introd
27.0 --- Saint-Pierre

Quality location estimate: Erh: 0.6 km, Erz: 0.8 km, Nf: 30, Gap: 108 °, Rms: 0.37


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.
BLANCGU2025-11-22 02:19:18.6900.0090-0.111.462025-11-22 02:19:20.2200.0461-0.820.9315.2
REMYGU2025-11-22 02:19:19.3000.01100.061.722025-11-22 02:19:20.6700.6079-1.110.5317.2
MRGEIV2025-11-22 02:19:19.3100.0110-0.022.012025-11-22 02:19:21.3700.0401-0.560.5118.4
DIXCH2025-11-22 02:19:23.0800.02000.021.912025-11-22 02:19:27.3960.0400-0.880.8837.5
RSLFR2025-11-22 02:19:22.9850.0200-0.081.712025-11-22 02:19:27.3650.0400-0.870.8939.6
LSDGU2025-11-22 02:19:24.8470.02000.061.712025-11-22 02:19:30.3960.0400-0.780.8751.4
CIROGU2025-11-22 02:19:24.8320.0200-1.120.402025-11-22 02:19:31.6180.1434-1.680.0755.5
SENINCH2025-11-22 02:19:26.2380.0200-0.071.672025-11-22 02:19:33.2600.0400-0.610.7256.6
EMBDCH2025-11-22 02:19:28.4930.0200-0.161.192025-11-22 02:19:36.7280.0400-1.040.6372.5
CANIGU2025-11-22 02:19:30.5750.02002.140.002025-11-22 02:19:37.2580.04000.031.2474.4
MMKCH2025-11-22 02:19:26.7580.0200-2.170.032025-11-22 02:19:38.4250.41680.060.8175.9
LATOIV2025-11-22 02:19:28.8830.0200-0.041.612025-11-22 02:19:37.3510.0400-0.640.7675.9
LAUCHCH2025-11-22 02:19:30.3260.02000.051.502025-11-22 02:19:41.4290.04000.840.0382.1
SIMPLCH2025-11-22 02:19:30.1890.0200-0.920.822025-11-22 02:19:41.2920.0400-0.680.7886.5


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
BLANCGUHH0.349.48e-215.2224
REMY GUHH0.235.91e-217.2124
MRGE IVHH0.691.29e-118.4167
DIX CHHH0.683.85e-237.557
LSD GUHH0.391.06e-251.4169
CIRO GUHH0.465.72e-355.5128
SENINCHHH0.561.29e-256.623
EMBD CHHH0.223.44e-372.561
CANI GUHH0.526.52e-374.4135
MMK CHHH0.583.87e-375.977
LAUCHCHHH0.525.27e-382.145
SIMPLCHHH0.131.89e-386.564


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.
(°)
BLANCGUHHZ6.7847e-69.1627e-75.1642e-71.3246e-76.7067e-82.0173e-52.3042e-61.1046e-72.2185e-815.2224
BLANCGUHHN1.3985e-51.8236e-66.9770e-72.0369e-71.1421e-72.3647e-53.4591e-61.9649e-73.8792e-815.2224
BLANCGUHHE1.0629e-51.6996e-67.6972e-72.7069e-71.2745e-73.3942e-52.2464e-62.0102e-73.6992e-815.2224
REMY GUHHZ3.9713e-65.0359e-72.4202e-76.5401e-83.3311e-86.7481e-68.7951e-74.6898e-89.8958e-917.2124
REMY GUHHN5.6738e-66.6546e-73.0866e-71.3122e-77.1838e-81.0311e-51.6767e-61.1545e-71.4422e-817.2124
REMY GUHHE5.4836e-67.5200e-74.3239e-71.3998e-78.7704e-81.2667e-51.7305e-61.3311e-72.2662e-817.2124
MRGE IVHHZ1.9502e-51.9468e-63.3653e-71.2348e-77.3751e-81.4591e-51.6903e-61.5329e-73.4684e-818.4167
MRGE IVHHN4.1010e-54.3804e-67.3564e-72.6131e-71.4666e-75.0541e-52.6127e-63.3413e-78.4565e-818.4167
MRGE IVHHE3.9566e-54.1161e-67.2080e-72.5558e-71.2646e-72.6916e-53.3848e-62.7301e-76.7760e-818.4167
DIX CHHHZ5.9672e-66.4585e-73.3935e-71.1886e-75.7400e-89.4643e-61.1182e-61.0532e-71.7374e-837.557
DIX CHHHN5.2729e-67.3598e-73.6474e-71.2698e-76.1706e-81.3909e-51.6638e-69.2887e-81.4093e-837.557
DIX CHHHE7.0695e-67.6638e-73.0898e-79.8960e-84.3700e-81.3321e-51.3909e-67.0851e-81.6032e-837.557
LSD GUHHZ1.1851e-61.1850e-74.0943e-81.9288e-81.0085e-81.0759e-61.2882e-71.4852e-83.0926e-951.4169
LSD GUHHN2.1946e-61.9073e-73.9684e-81.3890e-88.9007e-92.0431e-61.8253e-71.6851e-83.2368e-951.4169
LSD GUHHE1.8277e-62.0427e-78.4599e-82.9968e-81.4299e-82.2320e-64.4428e-72.1347e-83.9363e-951.4169
CIRO GUHHZ7.8039e-71.0008e-73.7199e-81.4361e-86.5087e-91.3602e-61.7351e-78.9609e-91.7485e-955.5128
CIRO GUHHN9.6976e-71.0094e-74.5820e-81.5119e-86.7965e-91.1631e-61.7169e-71.1587e-82.2546e-955.5128
CIRO GUHHE7.2357e-78.4485e-82.5029e-81.0634e-85.4772e-91.1418e-61.5840e-78.2915e-91.7797e-955.5128
SENINCHHHZ5.3993e-71.2713e-79.1270e-83.2835e-82.2156e-82.2763e-64.3638e-73.1796e-84.1662e-956.623
SENINCHHHN5.5046e-71.0325e-74.8574e-84.1377e-86.4175e-81.6891e-62.0651e-79.8936e-82.5417e-856.623
SENINCHHHE6.0411e-77.7894e-85.1785e-82.6307e-83.3155e-81.5927e-62.0487e-75.9488e-86.1840e-956.623
EMBD CHHHZ2.3733e-73.4710e-82.6746e-82.1168e-81.1734e-86.7237e-71.5314e-71.3503e-81.3978e-972.561
EMBD CHHHN1.5875e-73.0636e-81.9819e-81.0139e-85.8598e-94.6270e-79.7363e-81.0519e-88.2405e-1072.561
EMBD CHHHE2.0247e-73.5289e-82.1792e-81.6207e-81.9526e-84.1984e-71.0339e-73.6540e-84.6911e-972.561
CANI GUHHZ5.4590e-75.0828e-82.2066e-88.1168e-95.5696e-98.2835e-78.0456e-88.9722e-91.4067e-974.4135
CANI GUHHN7.2624e-77.9147e-83.0585e-81.3766e-87.5791e-91.2421e-61.0640e-79.9025e-92.1772e-974.4135
CANI GUHHE6.4802e-77.9033e-83.5807e-82.2139e-82.3530e-81.8305e-61.2469e-74.2740e-86.6689e-974.4135
MMK CHHHZ2.6022e-73.7399e-81.8163e-81.3266e-81.9794e-85.1008e-76.7330e-83.3256e-85.9177e-975.977
MMK CHHHN2.3160e-73.5281e-82.0330e-81.4575e-82.0420e-86.3835e-78.9272e-83.2301e-84.1302e-975.977
MMK CHHHE2.9603e-73.0907e-81.2233e-86.8529e-94.0504e-94.8406e-74.1687e-86.7545e-97.3006e-1075.977
LAUCHCHHHZ1.6603e-72.7753e-81.6348e-89.4883e-98.6150e-96.2554e-77.2847e-81.0954e-89.4812e-1082.145
LAUCHCHHHN2.7785e-75.9840e-82.6217e-82.2154e-83.0501e-81.1670e-61.0095e-75.4147e-87.9763e-982.145
LAUCHCHHHE3.0554e-75.7439e-83.7642e-81.9897e-81.2733e-88.8256e-71.7138e-71.4490e-81.4719e-982.145
SIMPLCHHHZ1.2767e-71.7778e-81.3395e-87.0769e-94.8016e-93.1938e-75.7660e-87.5824e-96.7510e-1086.564
SIMPLCHHHN1.7807e-72.6318e-81.4801e-81.0672e-87.3182e-94.0530e-77.1077e-89.6789e-97.1116e-1086.564
SIMPLCHHHE1.6483e-72.3566e-81.3795e-86.6078e-95.4853e-96.3727e-74.2534e-88.7576e-96.1490e-1086.564
*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