MANUAL Location - Area: Alpi Pennine , magnitude (ML): 1.0
2025-02-03 08:15:06 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-02-03 09:35:51

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Earthquake info - Manual location
Event - ID :250203081350
Magnitude (ML) :1.0 +/- 0.2
Origin Time :2025-02-03 08:15:06.701 (UTC)
Location : Latitude: 45.913 N, Longitude: 7.010 E
Area :Alpi Pennine
Depth (km) :6.78
Distances (km) : 13.6 --- Courmayeur
16.5 --- Saint-Rhemy-En-Bosses
16.6 --- Pre -Saint-Didier
17.3 --- Morgex
18.4 --- Saint-Oyen
19.1 --- La Salle
19.8 --- Etroubles
22.2 --- La Thuile
23.3 --- Allein
24.1 --- Ollomont
24.7 --- Avise
24.9 --- Saint-Nicolas
25.2 --- Doues
26.2 --- Arvier
26.2 --- Valpelline
26.5 --- Gignod
27.4 --- Roisan
27.9 --- Villeneuve
28.2 --- Saint-Pierre
28.2 --- Introd

Quality location estimate: Erh: 0.6 km, Erz: 0.3 km, Nf: 28, Gap: 154 °, Rms: 0.40


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.
COURMFR2025-02-03 08:15:09.6900.00700.001.802025-02-03 08:15:10.9910.0401-0.651.1313.7
BLANCGU2025-02-03 08:15:09.8600.01100.011.762025-02-03 08:15:11.2550.0400-0.691.1114.0
REMYGU2025-02-03 08:15:10.4700.0080-0.001.812025-02-03 08:15:12.4300.0491-0.590.9516.8
MRGEIV2025-02-03 08:15:10.5000.0090-0.140.972025-02-03 08:15:12.5000.0541-0.800.8218.4
DIXCH2025-02-03 08:15:14.2440.02000.021.612025-02-03 08:15:18.5130.1123-0.880.7036.8
RSLFR2025-02-03 08:15:14.1600.0200-0.121.242025-02-03 08:15:18.6600.1193-0.780.8639.5
LSDGU2025-02-03 08:15:16.1400.0261-0.031.552025-02-03 08:15:21.7600.1554-0.910.6652.1
SENINCH2025-02-03 08:15:17.3500.0281-0.021.482025-02-03 08:15:24.2900.2587-0.540.8155.5
CIROGU2025-02-03 08:15:16.7410.0200-0.580.892025-02-03 08:15:22.8490.2847-1.920.0756.2
EMBDCH2025-02-03 08:15:19.8600.02000.001.342025-02-03 08:15:27.8820.0400-1.070.4572.2
MMKCH2025-02-03 08:15:20.2850.03810.111.012025-02-03 08:15:29.3050.2286-0.310.8775.9
LATOIV2025-02-03 08:15:20.2110.1004-0.101.122025-02-03 08:15:28.4710.0400-1.040.4976.9
RSPGU2025-02-03 08:15:22.1320.02000.140.872025-02-03 08:15:31.5100.3968-0.960.5787.7


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
COURMFRHH1.391.27e+013.7199
BLANCGUHH0.944.41e-114.0218
REMY GUHH0.943.14e-116.8126
MRGE IVHH1.244.58e-118.4166
DIX CHHH1.361.91e-136.858
LSD GUHH0.973.95e-252.1169
SENINCHHH0.912.97e-255.524
CIRO GUHH1.152.74e-256.2128
EMBD CHHH0.669.67e-372.262
MMK CHHH0.918.18e-375.978


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.
(°)
COURMFRHHZ3.4147e-43.0575e-57.7357e-61.6463e-69.3386e-74.2171e-43.4603e-51.6159e-63.7476e-713.7199
COURMFRHHN2.6000e-43.0016e-59.7280e-62.8059e-61.5544e-64.1001e-43.4468e-53.0829e-66.6325e-713.7199
COURMFRHHE1.4583e-42.3294e-51.0521e-52.3980e-61.3832e-63.6238e-44.8029e-52.0859e-64.8539e-713.7199
BLANCGUHHZ5.2640e-55.6991e-62.1675e-66.9412e-73.4537e-78.1161e-57.9828e-65.8716e-71.2026e-714.0218
BLANCGUHHN7.2999e-58.9110e-63.2750e-61.0933e-65.9853e-71.2553e-41.6537e-51.0359e-61.9811e-714.0218
BLANCGUHHE6.8794e-58.2334e-63.1054e-61.2380e-66.3036e-71.2140e-48.8963e-69.8289e-71.5922e-714.0218
REMY GUHHZ1.3265e-52.1107e-61.2132e-62.9939e-71.6025e-73.0299e-54.5616e-62.5049e-75.0145e-816.8126
REMY GUHHN1.9548e-53.3019e-61.6244e-68.2910e-74.6208e-75.0084e-58.5269e-66.8613e-78.9541e-816.8126
REMY GUHHE2.5502e-54.3340e-62.1819e-66.8802e-74.3162e-74.7695e-59.2829e-67.1230e-71.2276e-716.8126
MRGE IVHHZ5.7459e-56.6147e-61.3422e-64.8936e-72.7202e-74.8884e-57.0797e-65.4175e-71.1728e-718.4166
MRGE IVHHN1.4256e-41.5006e-52.9406e-61.0253e-65.3684e-71.9680e-49.8733e-61.2032e-62.8985e-718.4166
MRGE IVHHE1.2960e-41.4394e-52.6727e-69.3081e-74.5774e-71.0650e-41.1713e-59.9178e-72.5475e-718.4166
DIX CHHHZ1.9565e-52.3203e-61.6259e-65.5978e-72.5293e-74.1165e-56.7110e-63.6329e-75.9150e-836.858
DIX CHHHN2.2258e-53.3177e-61.8450e-64.7841e-72.5599e-76.3192e-59.0307e-64.0027e-76.5185e-836.858
DIX CHHHE3.2376e-53.8255e-61.5376e-65.5105e-72.3458e-76.6138e-56.7284e-63.6921e-78.3369e-836.858
LSD GUHHZ3.1877e-63.8315e-71.4894e-76.0291e-82.6624e-86.7323e-64.6281e-73.9546e-86.7572e-952.1169
LSD GUHHN7.1346e-65.8688e-71.4054e-74.1554e-82.3790e-88.1073e-66.8384e-75.3143e-81.1502e-852.1169
LSD GUHHE7.0401e-66.9624e-73.2766e-71.0741e-75.1812e-88.9766e-61.5366e-67.5736e-81.5108e-852.1169
SENINCHHHZ3.4346e-66.7226e-74.8398e-71.7138e-77.2815e-81.2644e-52.1547e-61.0867e-72.1368e-855.524
SENINCHHHN2.8354e-63.5359e-72.4091e-71.1644e-75.7298e-81.0209e-51.1063e-67.0820e-88.1149e-955.524
SENINCHHHE4.1533e-64.6981e-72.4556e-71.0620e-75.5951e-87.1222e-69.8230e-77.9250e-81.2231e-855.524
CIRO GUHHZ3.5561e-64.1669e-71.4601e-75.0497e-82.4044e-85.6678e-67.4386e-73.7647e-87.8697e-956.2128
CIRO GUHHN3.3640e-64.0087e-72.1642e-78.9205e-83.7215e-84.7781e-68.3409e-75.1009e-89.6165e-956.2128
CIRO GUHHE2.7321e-63.7710e-71.1215e-74.6627e-82.5988e-86.2474e-66.3821e-74.2227e-87.5463e-956.2128
EMBD CHHHZ7.2829e-71.5365e-79.7185e-87.4455e-83.3639e-81.3913e-64.8361e-73.9246e-85.3471e-972.262
EMBD CHHHN6.5658e-71.0220e-77.8717e-85.3817e-83.1530e-82.2673e-63.7258e-74.6055e-85.5706e-972.262
EMBD CHHHE6.2055e-71.2672e-78.2847e-83.6151e-81.7956e-81.2872e-64.4366e-72.4251e-83.1238e-972.262
MMK CHHHZ9.9166e-71.4096e-76.9277e-82.2977e-81.3790e-82.5126e-62.7127e-72.1730e-83.5441e-975.978
MMK CHHHN9.2800e-71.1539e-77.0562e-83.4155e-82.8369e-83.2024e-62.9203e-74.5663e-83.9295e-975.978
MMK CHHHE1.0552e-61.0441e-74.2570e-81.7235e-89.3591e-91.9343e-61.7321e-71.2113e-82.0299e-975.978
RSP GUHHZ2.9336e-75.8404e-83.2985e-89.3096e-95.1289e-96.3498e-71.3011e-77.7363e-91.3708e-987.7167
RSP GUHHN3.4549e-77.5070e-84.5953e-81.3565e-86.5816e-91.3015e-62.1298e-79.1061e-91.4669e-987.7167
RSP GUHHE4.8319e-78.9194e-85.7091e-81.3705e-87.2512e-91.4685e-63.1465e-71.1502e-82.0569e-987.7167
*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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