MANUAL Location - Area: Alpi Pennine , magnitude (ML): 0.9
2025-09-22 12:07:34 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-09-23 06:57:44

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Earthquake info - Manual location
Event - ID :250922120710
Magnitude (ML) :0.9 +/- 0.2
Origin Time :2025-09-22 12:07:34.899 (UTC)
Location : Latitude: 45.807 N, Longitude: 7.457 E
Area :Alpi Pennine
Depth (km) :10.04
Distances (km) : 7.3 --- Nus
7.6 --- Verrayes
7.7 --- Oyace
7.9 --- Quart
8.0 --- Bionaz
8.5 --- Saint-Marcel
8.5 --- Fenis
8.7 --- Torgnon
9.7 --- Saint-Denis
9.7 --- Brissogne
9.7 --- Chambave
10.2 --- Saint-Christophe
10.4 --- Valpelline
10.5 --- Antey-Saint-Andre
11.4 --- Roisan
11.7 --- Doues
11.9 --- Pollein
12.5 --- La Magdeleine
12.5 --- Ollomont
12.7 --- Gignod

Quality location estimate: Erh: 0.8 km, Erz: 1.5 km, Nf: 38, Gap: 56 °, Rms: 0.33


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.
AOSAIT2025-09-22 12:07:36.6420.0200-1.290.212025-09-22 12:07:40.0710.04000.022.0114.9
REMYGU2025-09-22 12:07:40.1100.01300.012.122025-09-22 12:07:42.9800.0752-0.860.6426.7
CIROGU2025-09-22 12:07:40.3500.0130-0.051.922025-09-22 12:07:43.3400.0752-0.880.6327.4
DIXCH2025-09-22 12:07:41.2500.0160-0.041.942025-09-22 12:07:44.9750.0932-0.860.6433.1
MRGEIV2025-09-22 12:07:41.1300.01600.041.892025-09-22 12:07:44.5640.0972-0.940.5933.1
SATIGU2025-09-22 12:07:41.7140.0200-0.061.752025-09-22 12:07:46.2100.0982-0.550.5435.2
CANIGU2025-09-22 12:07:43.5330.02000.380.682025-09-22 12:07:49.4710.04000.700.2746.4
OROIV2025-09-22 12:07:43.6400.02000.001.852025-09-22 12:07:49.1100.1364-0.660.6146.7
VANNICH2025-09-22 12:07:43.7340.02000.350.722025-09-22 12:07:48.1110.0400-1.280.2847.5
LSDGU2025-09-22 12:07:43.4300.0241-0.051.712025-09-22 12:07:48.3300.1414-1.030.5347.7
MMKCH2025-09-22 12:07:44.3020.02000.600.342025-09-22 12:07:49.6450.1424-0.310.7349.3
EMBDCH2025-09-22 12:07:44.8890.02000.111.392025-09-22 12:07:51.1420.1002-0.620.5955.1
LATOIV2025-09-22 12:07:45.3330.02000.260.832025-09-22 12:07:52.4050.04000.540.5157.2
SENINCH2025-09-22 12:07:46.7630.02000.310.792025-09-22 12:07:54.5800.0400-0.081.2064.2
RSLFR2025-09-22 12:07:47.1480.02000.320.782025-09-22 12:07:54.6930.0400-0.440.5966.6
RSPGU2025-09-22 12:07:48.0600.03810.001.542025-09-22 12:07:56.6300.3217-0.400.8075.6
BHBGU2025-09-22 12:07:53.7200.30490.540.592025-09-22 12:08:05.8000.6179-0.170.74109.6


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
REMY GUHH1.021.62e-126.7278
CIRO GUHH1.069.17e-227.4159
MRGE IVHH0.724.57e-233.1262
SATI GUHH0.752.98e-235.276
CANI GUHH0.763.04e-246.4156
ORO IVEH1.106.64e-246.7116
VANNICHHH0.813.27e-247.513
LSD GUHH0.873.73e-247.7213
MMK CHHH0.781.53e-249.355
EMBD CHHH0.531.28e-255.132
SENINCHHH0.791.66e-264.2349
RSP GUHH0.881.55e-275.6192
BHB GUHH1.161.06e-2109.6188


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.
(°)
AOSA ITHNZ8.4393e-51.0342e-57.2609e-63.0380e-61.3722e-61.2414e-44.6448e-51.9870e-62.6161e-714.9224
AOSA ITHNN9.9712e-51.5973e-58.9968e-63.7424e-61.7975e-62.3414e-46.3954e-52.5163e-63.6484e-714.9224
AOSA ITHNE1.3591e-41.4451e-57.5699e-62.9169e-61.5840e-62.2328e-44.1970e-51.8916e-62.7007e-714.9224
REMY GUHHZ1.7392e-51.7190e-67.8409e-72.2708e-71.3164e-72.3309e-52.9670e-62.1209e-73.3509e-826.7278
REMY GUHHN2.6292e-53.7160e-61.2977e-64.1569e-71.7356e-76.4064e-54.5967e-63.2206e-77.6114e-826.7278
REMY GUHHE2.2902e-52.5026e-61.1148e-64.2407e-71.5355e-76.2035e-53.3089e-62.3353e-75.2305e-826.7278
CIRO GUHHZ2.0297e-52.0826e-64.9141e-71.5594e-78.2836e-82.9447e-52.2902e-61.7542e-74.0674e-827.4159
CIRO GUHHN2.5465e-52.4235e-65.7687e-71.8659e-71.1552e-74.3524e-53.2763e-62.2759e-75.8300e-827.4159
CIRO GUHHE2.2091e-52.4310e-65.5570e-71.7063e-78.9647e-84.3203e-51.8996e-61.6574e-75.0092e-827.4159
DIX CHHHZ4.6905e-57.9107e-63.3483e-61.2093e-66.2453e-79.7886e-51.7341e-59.6553e-71.9122e-733.1352
DIX CHHHN7.7848e-59.2797e-62.6157e-67.3144e-74.4820e-71.0356e-41.3546e-58.3255e-71.8586e-733.1352
DIX CHHHE7.2903e-51.0659e-53.3279e-68.2097e-74.6542e-71.3232e-41.2787e-59.6435e-72.4124e-733.1352
MRGE IVHHZ6.8319e-66.4573e-71.3667e-76.7152e-82.6354e-84.0920e-67.1457e-74.4519e-81.1063e-833.1262
MRGE IVHHN1.4616e-51.4427e-62.5832e-71.0446e-75.0380e-81.2970e-51.2537e-69.0225e-82.5813e-833.1262
MRGE IVHHE1.3158e-51.1017e-61.8782e-77.2875e-83.5427e-87.6084e-66.3205e-77.4319e-82.2042e-833.1262
SATI GUHHZ4.6842e-64.3157e-71.1067e-73.7837e-81.7683e-86.6087e-63.8246e-72.8982e-87.6204e-935.276
SATI GUHHN9.9387e-69.7441e-71.9313e-76.5574e-83.2480e-81.7509e-57.6770e-77.0299e-81.7267e-835.276
SATI GUHHE7.7868e-66.9570e-71.8625e-76.7274e-85.0995e-81.2349e-56.4564e-78.8307e-81.5381e-835.276
CANI GUHHZ8.1510e-67.0774e-72.0013e-75.0279e-82.8073e-89.4878e-65.8605e-74.9017e-81.3688e-846.4156
CANI GUHHN8.7840e-67.6284e-71.9832e-75.1389e-82.5133e-81.1267e-57.5974e-75.3062e-81.4507e-846.4156
CANI GUHHE9.3027e-69.1012e-72.3475e-76.1496e-83.5804e-81.7928e-51.0764e-66.8475e-81.7976e-846.4156
ORO IVEHZ6.8039e-68.2645e-73.2955e-78.3356e-84.3803e-89.4788e-61.7158e-68.0247e-81.5928e-846.7116
ORO IVEHN1.0516e-51.3473e-65.2159e-71.5567e-76.9626e-81.9427e-51.5100e-61.2793e-72.9679e-846.7116
ORO IVEHE9.7739e-61.1325e-64.9079e-71.6291e-77.7584e-81.4779e-52.5282e-61.3225e-72.3583e-846.7116
VANNICHHHZ1.8551e-62.5872e-71.8588e-74.9143e-82.8170e-84.6157e-69.7111e-74.3748e-86.8804e-947.513
VANNICHHHN2.1360e-63.0623e-72.4265e-71.0531e-74.1956e-85.3194e-61.5230e-65.8839e-87.5549e-947.513
VANNICHHHE2.8181e-64.3445e-72.9105e-71.0585e-75.0728e-85.0067e-61.3778e-68.2223e-81.2017e-847.513
LSD GUHHZ7.1559e-68.3909e-73.1806e-78.5812e-83.9383e-81.0092e-51.2223e-65.9938e-81.5850e-847.7213
LSD GUHHN5.8568e-65.9091e-72.1809e-77.4149e-83.5211e-89.3250e-61.2282e-66.1894e-81.2482e-847.7213
LSD GUHHE1.0298e-59.7916e-73.3108e-77.6775e-83.6161e-81.0001e-51.2565e-67.2571e-82.1316e-847.7213
MMK CHHHZ1.8864e-62.4814e-71.0867e-74.2366e-81.7012e-84.1017e-63.3315e-72.5549e-86.4051e-949.355
MMK CHHHN3.0332e-63.0224e-71.1920e-75.1219e-83.1509e-85.6462e-65.0225e-74.3338e-89.2883e-949.355
MMK CHHHE2.1212e-62.0298e-77.2861e-83.3167e-81.4218e-82.6027e-62.9031e-71.8718e-84.4574e-949.355
EMBD CHHHZ1.3435e-61.9107e-71.2445e-74.3745e-81.6359e-82.3553e-69.6560e-72.2591e-84.3363e-955.132
EMBD CHHHN1.9296e-62.7648e-71.2662e-73.7107e-81.9326e-84.0620e-66.5045e-73.1027e-85.8847e-955.132
EMBD CHHHE1.5989e-62.0381e-71.0159e-74.4992e-81.8912e-83.1442e-64.0683e-72.5231e-84.7863e-955.132
SENINCHHHZ1.2881e-63.2411e-72.1083e-79.4291e-83.9121e-85.2600e-69.5132e-75.5921e-89.2230e-964.2349
SENINCHHHN9.3858e-71.8233e-71.5114e-78.2522e-83.3281e-83.1997e-66.5614e-74.3604e-86.4712e-964.2349
SENINCHHHE1.0952e-62.0424e-71.4521e-76.1786e-82.8390e-84.1293e-68.3922e-74.6982e-85.7818e-964.2349
RSP GUHHZ1.9361e-62.7179e-71.1753e-73.8300e-81.6602e-85.4984e-63.7207e-72.5130e-84.9630e-975.6192
RSP GUHHN1.9725e-63.4924e-71.4234e-74.6626e-82.5703e-83.5627e-65.6965e-73.9115e-86.5020e-975.6192
RSP GUHHE1.8334e-62.5644e-71.4883e-74.7856e-82.0585e-84.6376e-69.1924e-72.7572e-86.2738e-975.6192
BHB GUHHZ2.0229e-63.1376e-77.2464e-83.4032e-82.4799e-82.9404e-62.5373e-74.2907e-84.5423e-9109.6188
BHB GUHHN1.4020e-61.9269e-77.0502e-83.5672e-84.8110e-82.4189e-62.6834e-79.9381e-89.7889e-9109.6188
BHB GUHHE1.0094e-61.4570e-77.3691e-85.3033e-81.8257e-81.3184e-62.7339e-72.2691e-83.6722e-9109.6188
*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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