MANUAL Location - Area: Alpi Pennine , magnitude (ML): 0.8
2025-11-22 15:35:37 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-11-24 07:53:39

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Earthquake info - Manual location
Event - ID :251122153512
Magnitude (ML) :0.8 +/- 0.2
Origin Time :2025-11-22 15:35:37.799 (UTC)
Location : Latitude: 45.904 N, Longitude: 7.027 E
Area :Alpi Pennine
Depth (km) :6.01
Distances (km) : 12.9 --- Courmayeur
14.8 --- Saint-Rhemy-En-Bosses
15.8 --- Pre -Saint-Didier
16.2 --- Morgex
16.7 --- Saint-Oyen
17.7 --- La Salle
18.1 --- Etroubles
21.5 --- La Thuile
21.6 --- Allein
22.6 --- Ollomont
23.2 --- Avise
23.3 --- Saint-Nicolas
23.5 --- Doues
24.6 --- Valpelline
24.6 --- Arvier
24.8 --- Gignod
25.7 --- Roisan
26.3 --- Villeneuve
26.5 --- Saint-Pierre
26.6 --- Introd

Quality location estimate: Erh: 0.8 km, Erz: 0.7 km, Nf: 26, Gap: 108 °, Rms: 0.25


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 15:35:40.8500.0060-0.021.982025-11-22 15:35:42.2750.0400-0.630.5413.5
REMYGU2025-11-22 15:35:41.4600.00700.230.472025-11-22 15:35:43.5100.0501-0.021.8615.0
MRGEIV2025-11-22 15:35:41.4700.00800.031.962025-11-22 15:35:43.5700.0501-0.330.8016.9
DIXCH2025-11-22 15:35:45.1860.0200-0.011.892025-11-22 15:35:49.5830.1123-0.700.5836.1
RSLFR2025-11-22 15:35:45.2100.0190-0.230.922025-11-22 15:35:49.4180.1985-1.220.2439.7
LSDGU2025-11-22 15:35:47.0400.03010.021.762025-11-22 15:35:52.6900.1514-0.650.6450.7
CIROGU2025-11-22 15:35:47.7170.0200-0.400.742025-11-22 15:35:53.9200.1865-1.430.1554.3
SENINCH2025-11-22 15:35:48.2560.0200-0.250.982025-11-22 15:35:55.1450.0400-0.850.4755.8
SATIGU2025-11-22 15:35:50.9460.02001.160.002025-11-22 15:35:57.8100.3858-0.750.6465.8
MMKCH2025-11-22 15:35:51.2960.02000.220.802025-11-22 15:36:00.2350.2567-0.151.0974.7
RSPGU2025-11-22 15:35:52.8720.02000.031.502025-11-22 15:36:02.1130.0400-1.030.3786.3
FIESACH2025-11-22 15:35:56.2370.0200-0.021.422025-11-22 15:36:08.6480.0400-0.420.93102.5


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
BLANCGUHH0.602.14e-113.5228
REMY GUHH0.481.36e-115.0126
MRGE IVHH1.103.87e-116.9170
DIX CHHH1.008.72e-236.156
LSD GUHH0.843.06e-250.7170
CIRO GUHH0.801.31e-254.3128
SENINCHHH0.471.07e-255.822
SATI GUHH0.851.06e-265.892
MMK CHHH0.624.34e-374.777
RSP GUHH0.799.42e-386.3167
FIESACHHH1.019.70e-3102.554


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.
(°)
BLANCGUHHZ1.9765e-52.7225e-61.2447e-63.1365e-71.7775e-75.3151e-56.0993e-62.9430e-75.3069e-813.5228
BLANCGUHHN4.2555e-54.7696e-61.6515e-64.7730e-72.4974e-76.5985e-57.6172e-64.2426e-78.9567e-813.5228
BLANCGUHHE3.2289e-53.7756e-61.6934e-65.9572e-72.5774e-78.4074e-55.5347e-63.8113e-77.8716e-813.5228
REMY GUHHZ1.2764e-51.5129e-65.1299e-71.3392e-77.2876e-81.5488e-52.0181e-61.1151e-72.0630e-815.0126
REMY GUHHN1.3779e-51.4571e-66.6662e-72.6924e-71.3230e-72.3161e-53.4495e-62.1096e-73.3267e-815.0126
REMY GUHHE1.2787e-52.1450e-69.4564e-72.9873e-71.9177e-72.3115e-53.7616e-63.1188e-75.8099e-815.0126
MRGE IVHHZ5.5628e-55.4440e-68.9652e-73.2860e-71.9167e-74.5027e-54.4789e-64.0476e-71.0781e-716.9170
MRGE IVHHN1.3587e-41.3358e-51.9958e-67.2041e-74.0879e-71.3891e-47.0739e-69.3286e-72.4868e-716.9170
MRGE IVHHE1.3066e-41.2374e-51.9975e-67.5654e-73.8896e-77.6848e-58.9901e-68.4205e-72.1964e-716.9170
DIX CHHHZ1.5460e-51.7221e-68.6017e-72.7219e-71.2920e-72.2276e-52.5394e-62.4170e-74.5856e-836.156
DIX CHHHN1.2517e-51.6497e-68.5883e-73.1835e-71.3653e-72.8155e-54.0584e-62.1344e-73.2212e-836.156
DIX CHHHE1.5910e-51.8624e-68.1268e-72.4798e-79.6127e-83.7203e-53.1554e-61.6886e-73.8759e-836.156
LSD GUHHZ3.1665e-63.3934e-71.1636e-74.7388e-82.3260e-83.8075e-64.0726e-73.4351e-87.6535e-950.7170
LSD GUHHN7.4180e-65.2355e-71.1362e-73.4638e-81.8942e-86.3605e-65.4929e-74.1673e-81.0717e-850.7170
LSD GUHHE5.7000e-67.0122e-72.3623e-77.4218e-83.6878e-86.6585e-61.2169e-65.8970e-81.1779e-850.7170
CIRO GUHHZ1.6217e-61.9843e-77.2258e-82.5383e-81.0937e-82.7945e-63.7033e-71.7471e-83.6977e-954.3128
CIRO GUHHN2.8899e-62.6283e-71.0188e-73.4722e-81.6399e-82.5403e-64.1207e-72.6512e-85.0753e-954.3128
CIRO GUHHE1.5313e-61.9970e-75.4344e-82.3068e-89.6638e-92.6413e-63.2392e-71.5421e-83.2689e-954.3128
SENINCHHHZ1.5793e-62.4912e-71.9590e-76.5362e-82.9894e-84.3283e-68.8357e-73.9864e-87.3888e-955.822
SENINCHHHN1.2895e-61.5851e-79.9173e-83.8228e-82.7535e-83.2871e-64.3577e-73.4991e-85.7645e-955.822
SENINCHHHE1.1618e-61.6166e-71.0507e-73.4689e-82.4036e-83.2691e-64.5105e-73.4611e-84.1169e-955.822
SATI GUHHZ1.1076e-68.9535e-82.7942e-81.6588e-81.9522e-81.4644e-61.2710e-73.4865e-89.6844e-965.892
SATI GUHHN2.2665e-62.4781e-75.6634e-82.1066e-82.8629e-85.1979e-62.1935e-74.3318e-87.8170e-965.892
SATI GUHHE1.6060e-62.1347e-74.8203e-82.7467e-85.2258e-84.1284e-61.3910e-78.2256e-89.2392e-965.892
MMK CHHHZ8.5187e-79.7652e-84.4119e-81.3582e-89.6651e-91.2529e-61.4991e-71.6448e-82.3656e-974.777
MMK CHHHN6.6622e-78.0479e-84.7454e-81.2750e-81.0144e-81.6820e-62.4826e-71.5418e-81.7818e-974.777
MMK CHHHE8.9094e-71.0596e-73.1204e-81.0978e-87.1410e-91.4290e-61.1233e-71.2578e-82.6269e-974.777
RSP GUHHZ5.6112e-78.0791e-85.4057e-81.5096e-81.0123e-81.1271e-62.6327e-71.3680e-82.0028e-986.3167
RSP GUHHN6.3028e-79.7225e-87.1854e-82.5530e-82.7140e-81.6457e-63.3817e-75.1962e-81.1706e-886.3167
RSP GUHHE8.6531e-71.5240e-78.8168e-81.9771e-81.4037e-83.2308e-64.0840e-72.3368e-84.0579e-986.3167
FIESACHHHZ6.2944e-78.2187e-86.0602e-84.3136e-82.5961e-82.0665e-62.3474e-74.4468e-84.0509e-9102.554
FIESACHHHN4.9537e-78.8542e-87.5360e-84.0895e-83.8201e-81.1229e-64.3091e-76.3209e-85.0049e-9102.554
FIESACHHHE4.5116e-71.0758e-77.3355e-84.4971e-83.7329e-81.6025e-65.6322e-76.5668e-84.9162e-9102.554
*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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