MANUAL Location - Area: Svizzera , magnitude (ML): 1.4
2025-04-03 01:29:17 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-04-03 07:30:48

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Earthquake info - Manual location
Event - ID :250403012901
Magnitude (ML) :1.4 +/- 0.2
Origin Time :2025-04-03 01:29:17.03 (UTC)
Location : Latitude: 46.530 N, Longitude: 7.849 E
Area :Svizzera
Depth (km) :4.79
Distances (km) : 44.8 --- Trasquera
46.7 --- Baceno
47.1 --- Varzo
47.2 --- Formazza
47.4 --- Premia
49.7 --- Crodo
52.1 --- Bognanco
54.1 --- Crevoladossola
54.5 --- Montecrestese
55.9 --- Antrona Schieranco
56.8 --- Masera
56.9 --- Domodossola
58.5 --- Trontano
59.2 --- Montescheno
59.2 --- Viganella
59.4 --- Seppiana
60.3 --- Villadossola
60.6 --- Beura-Cardezza
62.3 --- Pallanzeno
62.6 --- Druogno

Quality location estimate: Erh: 1.2 km, Erz: 1.7 km, Nf: 37, Gap: 193 °, Rms: 0.32


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.
LAUCHCH2025-04-03 01:29:20.5800.0110-0.001.342025-04-03 01:29:22.6420.0461-0.361.3115.6
FIESACH2025-04-03 01:29:21.9300.0150-0.421.232025-04-03 01:29:24.7650.0671-1.180.2323.7
EMBDCH2025-04-03 01:29:24.1850.01900.200.772025-04-03 01:29:28.5650.1043-0.071.3335.3
SIMPLCH2025-04-03 01:29:24.2200.01900.031.322025-04-03 01:29:28.6750.1033-0.321.2835.4
VANNICH2025-04-03 01:29:25.1600.02210.091.192025-04-03 01:29:30.1900.1223-0.291.2940.9
SENINCH2025-04-03 01:29:25.8340.0200-0.461.092025-04-03 01:29:32.1040.1002-0.510.9446.5
MMKCH2025-04-03 01:29:27.3950.02910.121.092025-04-03 01:29:33.9280.2156-0.271.1954.3
DIXCH2025-04-03 01:29:28.4000.0321-0.151.342025-04-03 01:29:35.6500.3387-0.770.6460.9
FUSIOCH2025-04-03 01:29:28.6400.0341-0.191.342025-04-03 01:29:36.0050.1875-0.840.5063.1
SATIGU2025-04-03 01:29:30.3400.0432-0.161.352025-04-03 01:29:38.6100.4198-1.070.4173.1
REMYGU2025-04-03 01:29:33.8500.0482-0.341.242025-04-03 01:29:45.9500.2817-0.081.0093.8
OROIV2025-04-03 01:29:35.0920.02000.081.122025-04-03 01:29:46.4700.3277-0.690.72101.0
VAREIV2025-04-03 01:29:35.6400.05320.320.552025-04-03 01:29:47.7380.0400-0.271.14102.3
MRGEIV2025-04-03 01:29:35.6900.0532-0.131.322025-04-03 01:29:49.0940.04000.260.71104.2
CIROGU2025-04-03 01:29:35.9650.02000.051.162025-04-03 01:29:48.1310.0400-0.890.49105.6
MUGIOCH2025-04-03 01:29:37.1400.0582-0.131.302025-04-03 01:29:50.6050.3427-0.630.75114.0
VDLCH2025-04-03 01:29:38.6250.0623-0.111.272025-04-03 01:29:52.6500.0400-0.710.69122.7
DAVOXCH2025-04-03 01:29:46.7300.08141.790.002025-04-03 01:30:04.2430.04000.230.71157.5


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
LAUCHCHHH1.359.16e-115.6205
FIESACHHH1.465.62e-123.7118
EMBD CHHH1.039.83e-235.3182
SIMPLCHHH0.978.41e-235.4158
VANNICHHH1.128.92e-240.9209
SENINCHHH1.421.39e-146.5247
MMK CHHH1.142.88e-254.3170
DIX CHHH1.551.07e-160.9215
FUSIOCHHH1.386.69e-263.197
SATI GUHH1.513.82e-273.1179
REMY GUHH1.564.21e-293.8215
ORO IVEH1.877.16e-2101.0174
VARE IVHH1.352.12e-2102.3136
MRGE IVHH1.552.75e-2104.2216
CIRO GUHH1.481.42e-2105.6192
MUGIOCHHH1.872.54e-2114.0126
VDL CHHH1.562.18e-2122.792


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.
(°)
LAUCHCHHHZ2.1302e-54.0295e-63.1309e-61.3546e-65.3252e-77.0362e-51.6979e-57.7937e-71.0425e-715.6205
LAUCHCHHHN5.2855e-59.0012e-66.2124e-62.5407e-61.0909e-61.8576e-42.7223e-51.5320e-62.0345e-715.6205
LAUCHCHHHE6.3026e-51.1650e-59.0345e-62.9594e-61.5692e-67.9230e-55.4172e-52.3971e-63.3109e-715.6205
FIESACHHHZ5.1655e-57.8442e-64.7874e-61.5807e-69.1750e-77.3892e-51.7858e-51.1789e-62.3279e-723.7118
FIESACHHHN6.6614e-59.9246e-64.2070e-61.8679e-69.0470e-71.3361e-41.2675e-51.2501e-62.5975e-723.7118
FIESACHHHE7.3152e-59.2195e-64.7896e-61.7348e-68.9340e-71.1162e-42.7315e-51.4564e-62.2483e-723.7118
EMBD CHHHZ4.8527e-69.6471e-75.4245e-71.8704e-79.7625e-87.1543e-63.1813e-61.4092e-71.9007e-835.3182
EMBD CHHHN5.2564e-61.0306e-67.4881e-72.7713e-71.4456e-79.6451e-64.8365e-62.2338e-73.1520e-835.3182
EMBD CHHHE7.4461e-61.1895e-66.7372e-72.3404e-71.3079e-71.1181e-54.1001e-61.9963e-72.6114e-835.3182
SIMPLCHHHZ1.3186e-51.3810e-63.6291e-71.2546e-75.7612e-81.0788e-51.5295e-61.0252e-72.2657e-835.4158
SIMPLCHHHN8.9831e-61.5688e-67.2096e-72.1370e-71.0837e-72.3105e-52.5108e-61.7742e-73.5797e-835.4158
SIMPLCHHHE9.6435e-61.0223e-66.0905e-71.7241e-78.3859e-82.8354e-52.8327e-61.3134e-72.6368e-835.4158
VANNICHHHZ5.7437e-68.9739e-76.0647e-72.6079e-71.2297e-77.8373e-64.7513e-61.6848e-72.2053e-840.9209
VANNICHHHN7.7927e-61.0427e-66.6908e-73.2174e-71.3910e-79.0732e-65.7699e-61.9134e-72.4177e-840.9209
VANNICHHHE6.2825e-69.8012e-78.1657e-74.1436e-71.5768e-79.3919e-64.8184e-62.1808e-72.7316e-840.9209
SENINCHHHZ9.6062e-62.1638e-61.1748e-66.0868e-73.6524e-72.4954e-56.6176e-65.1160e-76.2740e-846.5247
SENINCHHHN6.2189e-61.1784e-61.1408e-68.9971e-74.6914e-71.7289e-51.0934e-56.1808e-74.6453e-846.5247
SENINCHHHE7.1337e-61.1385e-61.0414e-65.0668e-71.8155e-71.4332e-57.7249e-62.6047e-73.6962e-846.5247
MMK CHHHZ5.7003e-66.5553e-72.8326e-71.0241e-74.3865e-88.7214e-61.8755e-66.7571e-81.4084e-854.3170
MMK CHHHN4.0942e-65.0317e-72.6868e-79.9995e-84.3269e-88.8780e-61.3362e-65.8594e-81.1672e-854.3170
MMK CHHHE3.4644e-65.2848e-72.1034e-76.8169e-83.7131e-88.8727e-69.4010e-76.4387e-81.2846e-854.3170
DIX CHHHZ7.6238e-68.6476e-76.0175e-72.5775e-71.1383e-72.0491e-52.0607e-61.6064e-72.3661e-860.9215
DIX CHHHN6.2418e-69.4124e-79.0117e-74.8741e-71.6951e-71.7061e-55.8897e-62.4197e-72.9660e-860.9215
DIX CHHHE7.2928e-68.4014e-76.1663e-73.2246e-71.5116e-71.1858e-53.2581e-61.8042e-72.4326e-860.9215
FUSIOCHHHZ7.8159e-61.5769e-68.5708e-72.1889e-71.2740e-71.6947e-52.8542e-62.1018e-74.1136e-863.197
FUSIOCHHHN8.4694e-61.3598e-65.8701e-71.6641e-77.7538e-83.4822e-52.3894e-61.3675e-73.1269e-863.197
FUSIOCHHHE7.0567e-61.0786e-65.4171e-71.5759e-77.7747e-81.2812e-51.9585e-61.1963e-72.6757e-863.197
SATI GUHHZ2.3655e-63.4872e-72.3861e-71.1669e-74.7904e-85.1172e-61.0503e-66.8228e-89.8873e-973.1179
SATI GUHHN3.0733e-64.3946e-72.7146e-71.1230e-74.0800e-85.4212e-61.3033e-65.8637e-88.9511e-973.1179
SATI GUHHE3.1904e-64.9651e-73.5398e-71.2883e-74.8878e-87.7794e-62.3914e-67.4578e-81.3334e-873.1179
REMY GUHHZ1.6469e-62.9886e-72.5928e-71.2825e-76.4768e-84.7556e-62.0064e-67.0239e-88.2473e-993.8215
REMY GUHHN2.2656e-64.8277e-73.9986e-72.3803e-71.2154e-79.6813e-62.1202e-61.2581e-71.2057e-893.8215
REMY GUHHE2.1560e-63.9619e-73.1944e-71.8830e-78.6595e-85.9185e-61.9545e-69.6400e-81.1424e-893.8215
ORO IVEHZ2.2630e-65.9584e-74.9842e-71.3071e-76.3176e-84.8681e-64.2188e-69.4734e-81.5110e-8101.0174
ORO IVEHN3.1671e-66.3756e-75.5021e-71.5977e-77.5888e-87.5874e-63.9532e-61.1947e-71.7400e-8101.0174
ORO IVEHE3.6076e-66.8937e-76.4574e-72.4683e-71.0505e-76.7730e-65.9908e-61.4301e-72.0728e-8101.0174
VARE IVHHZ3.1232e-63.4604e-71.9067e-74.8253e-83.0958e-86.0861e-61.1544e-65.3001e-87.6697e-9102.3136
VARE IVHHN3.6264e-64.3321e-72.5028e-77.4272e-83.6346e-89.1272e-61.1823e-65.2221e-89.9137e-9102.3136
VARE IVHHE1.2959e-62.3676e-71.8331e-77.0145e-83.4337e-83.5962e-61.0138e-64.0220e-86.3782e-9102.3136
MRGE IVHHZ1.2082e-61.9025e-71.5461e-77.6948e-82.9638e-82.2805e-61.2389e-63.8163e-84.6797e-9104.2216
MRGE IVHHN1.8669e-62.8896e-71.8879e-79.1816e-83.6014e-84.7169e-61.0543e-64.7909e-87.2038e-9104.2216
MRGE IVHHE1.5634e-62.7861e-71.7597e-79.5785e-83.6546e-83.5335e-69.8284e-74.6802e-86.2014e-9104.2216
CIRO GUHHZ8.6528e-71.4563e-71.2928e-75.1665e-82.4205e-82.1877e-61.0148e-63.3706e-83.9244e-9105.6192
CIRO GUHHN9.3538e-71.5507e-71.3377e-76.4695e-82.1186e-82.2612e-68.5019e-72.7562e-83.9118e-9105.6192
CIRO GUHHE1.2874e-61.9878e-71.2476e-75.2559e-82.5330e-82.6537e-61.0319e-62.8520e-85.2688e-9105.6192
MUGIOCHHHZ1.8964e-62.4445e-71.7811e-78.2626e-83.0908e-83.6794e-68.8725e-74.2805e-86.7855e-9114.0126
MUGIOCHHHN2.3306e-63.0982e-72.1518e-77.7778e-82.9548e-84.7850e-61.4244e-64.0817e-87.1539e-9114.0126
MUGIOCHHHE1.4963e-62.4455e-71.6803e-76.2006e-82.3590e-83.7437e-67.6906e-73.7747e-86.0079e-9114.0126
VDL CHHHZ7.6342e-71.5722e-71.2752e-74.7202e-82.3204e-82.6596e-68.8927e-73.7834e-84.8245e-9122.792
VDL CHHHN9.1783e-72.3792e-71.9510e-79.2449e-84.3648e-82.1823e-61.3122e-65.4791e-87.2536e-9122.792
VDL CHHHE6.3808e-71.2537e-71.3150e-75.4234e-82.0946e-81.3981e-61.1504e-62.7609e-83.9639e-9122.792
DAVOXCHHHZ1.2886e-63.8689e-74.3780e-71.8523e-77.1438e-84.4728e-63.0097e-68.8619e-81.1349e-8157.579
DAVOXCHHHN8.5432e-72.1592e-72.4033e-71.5171e-75.5735e-82.6192e-61.1674e-66.6058e-87.5133e-9157.579
DAVOXCHHHE6.8185e-72.1738e-72.4309e-71.4473e-76.4341e-81.7768e-61.6355e-67.5666e-86.5376e-9157.579
*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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