MANUAL Location - Area: Svizzera , magnitude (ML): 1.0
2025-09-04 19:08:33 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-09-05 08:38:01

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Earthquake info - Manual location
Event - ID :250904190712
Magnitude (ML) :1.0 +/- 0.2
Origin Time :2025-09-04 19:08:33.522 (UTC)
Location : Latitude: 46.340 N, Longitude: 7.422 E
Area :Svizzera
Depth (km) :4.67
Distances (km) : 51.6 --- Bionaz
53.6 --- Valtournenche
54.2 --- Oyace
55.0 --- Ollomont
57.6 --- Valpelline
57.6 --- Chamois
58.4 --- Doues
58.9 --- Macugnaga
59.4 --- Saint-Oyen
59.5 --- Etroubles
60.2 --- Allein
60.4 --- Saint-Rhemy-En-Bosses
60.7 --- La Magdeleine
60.7 --- Torgnon
60.7 --- Antey-Saint-Andre
61.6 --- Antrona Schieranco
62.0 --- Ayas
62.1 --- Roisan
62.4 --- Trasquera
62.6 --- Gignod

Quality location estimate: Erh: 0.8 km, Erz: 1.2 km, Nf: 30, Gap: 148 °, Rms: 0.35


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.
SENINCH2025-09-04 19:08:36.1600.0060-0.022.122025-09-04 19:08:37.6050.0350-0.391.2111.9
VANNICH2025-09-04 19:08:37.9020.02000.041.912025-09-04 19:08:40.7100.0400-0.051.8720.6
LAUCHCH2025-09-04 19:08:39.5050.01500.012.082025-09-04 19:08:43.3350.0892-0.251.3828.9
DIXCH2025-09-04 19:08:39.5550.11050.151.092025-09-04 19:08:42.8800.0842-0.481.0629.7
EMBDCH2025-09-04 19:08:40.3880.02000.012.012025-09-04 19:08:44.5580.1263-0.451.1234.8
MMKCH2025-09-04 19:08:43.8900.02000.490.412025-09-04 19:08:49.8610.0400-0.301.3753.1
FIESACH2025-09-04 19:08:43.7650.0200-0.540.892025-09-04 19:08:50.2900.0400-1.450.3554.3
REMYGU2025-09-04 19:08:44.6180.0200-0.211.372025-09-04 19:08:51.3170.1002-1.330.3959.9
MRGEIV2025-09-04 19:08:47.1380.02000.770.412025-09-04 19:08:54.2700.2136-1.020.4969.5
CIROGU2025-09-04 19:08:49.3240.02000.960.222025-09-04 19:08:58.7640.0400-0.121.4483.1
FUSIOCH2025-09-04 19:08:51.5480.02000.670.482025-09-04 19:09:02.2950.4229-0.520.9796.1
LSDGU2025-09-04 19:08:52.8670.02001.710.002025-09-04 19:09:03.1130.0400-0.351.23100.6
CANIGU2025-09-04 19:08:51.7400.02000.610.502025-09-04 19:09:03.3700.0400-0.051.34102.7
MUGIOCH2025-09-04 19:08:56.9640.02000.141.182025-09-04 19:09:12.1900.0400-1.100.51133.2


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
LAUCHCHHH1.332.83e-128.972
DIX CHHH1.342.77e-129.7183
MMK CHHH0.567.83e-353.1127
FIESACHHH1.054.39e-254.378
REMY GUHH1.063.65e-259.9200
MRGE IVHH0.981.84e-269.5204
CIRO GUHH0.825.50e-383.1172
FUSIOCHHH0.888.41e-396.182
LSD GUHH0.979.11e-3100.6193
CANI GUHH0.907.41e-3102.7168


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.
(°)
SENINCHHHZ2.7523e-43.8875e-51.1318e-52.8442e-61.6878e-67.1083e-43.8840e-53.3236e-68.4627e-711.9286
SENINCHHHN2.9906e-44.4859e-51.3257e-54.4980e-62.7525e-65.8527e-44.3679e-55.0813e-61.0881e-611.9286
SENINCHHHE1.7252e-42.1776e-51.0044e-52.6876e-61.6409e-63.0915e-43.9346e-52.8001e-65.5706e-711.9286
VANNICHHHZ3.0192e-63.8556e-72.3341e-71.1540e-73.9368e-85.3884e-61.0883e-65.4523e-89.7612e-920.6137
VANNICHHHN2.5721e-63.7324e-72.5104e-71.3244e-74.5320e-83.4309e-61.4434e-66.1283e-88.3807e-920.6137
VANNICHHHE2.8516e-64.0022e-72.8747e-71.4013e-75.1421e-83.7442e-61.5493e-67.0723e-81.0394e-820.6137
LAUCHCHHHZ8.1857e-61.3439e-66.5612e-72.0185e-71.0443e-72.8140e-52.5919e-61.6919e-73.2374e-828.972
LAUCHCHHHN2.6672e-54.0318e-61.6304e-63.3791e-71.9870e-71.3501e-45.0472e-63.7687e-78.9521e-828.972
LAUCHCHHHE2.7024e-54.8557e-62.5675e-65.8549e-73.5554e-71.2409e-49.2104e-65.6387e-71.0668e-728.972
DIX CHHHZ1.6863e-52.4209e-61.3123e-67.4586e-73.2053e-73.7810e-58.3692e-64.3489e-77.6583e-829.7183
DIX CHHHN1.9956e-52.6801e-61.4615e-67.0443e-72.8244e-74.6826e-57.4420e-63.1949e-75.1388e-829.7183
DIX CHHHE3.0178e-54.6656e-61.8760e-69.9717e-73.9508e-73.7589e-59.6519e-65.8516e-71.0315e-729.7183
EMBD CHHHZ1.7907e-62.4455e-71.5938e-78.0256e-83.5863e-84.5441e-66.6147e-75.0307e-87.4317e-934.8113
EMBD CHHHN1.9787e-62.8481e-71.8297e-71.1468e-74.8573e-83.8771e-67.4789e-75.9125e-87.4704e-934.8113
EMBD CHHHE2.0573e-62.1141e-71.2973e-78.6229e-83.6159e-83.2132e-65.5570e-74.4380e-85.4790e-934.8113
MMK CHHHZ1.2777e-61.3274e-77.5572e-82.6971e-81.0085e-82.7004e-64.4171e-71.4357e-82.9494e-953.1127
MMK CHHHN1.1631e-61.6366e-78.5975e-82.8665e-81.1286e-82.9041e-63.3947e-71.7931e-83.7392e-953.1127
MMK CHHHE1.4717e-61.5223e-76.5650e-82.1594e-88.1753e-92.9781e-63.1950e-71.6078e-83.5512e-953.1127
FIESACHHHZ3.4273e-65.0515e-73.0333e-71.5030e-76.3767e-81.2857e-51.3817e-67.9445e-81.3482e-854.378
FIESACHHHN3.8713e-66.8279e-73.3765e-71.8650e-77.1953e-81.3075e-51.6177e-69.5737e-81.6831e-854.378
FIESACHHHE4.2935e-64.9184e-73.4013e-71.8825e-78.9725e-81.1888e-51.6811e-61.1893e-71.4086e-854.378
REMY GUHHZ1.6640e-62.7444e-71.9002e-74.8692e-82.7904e-84.0493e-61.1174e-64.2534e-86.4737e-959.9200
REMY GUHHN2.7289e-65.0229e-73.6967e-71.2884e-75.6882e-86.4599e-62.6400e-67.0723e-81.0573e-859.9200
REMY GUHHE2.2135e-63.8685e-72.9358e-78.5443e-84.4645e-85.3982e-62.2474e-66.9913e-89.5686e-959.9200
MRGE IVHHZ1.4838e-61.6091e-71.0880e-74.9232e-81.8793e-82.0528e-65.2986e-72.4702e-84.3912e-969.5204
MRGE IVHHN2.7970e-63.5745e-71.3525e-76.1442e-82.7685e-86.2011e-66.0318e-74.4629e-87.2240e-969.5204
MRGE IVHHE1.9907e-62.4925e-71.5236e-75.7049e-82.6718e-83.0617e-69.2747e-73.8785e-85.7642e-969.5204
CIRO GUHHZ5.0063e-78.2139e-84.7286e-81.5899e-88.3556e-91.3176e-62.0921e-71.0802e-81.7959e-983.1172
CIRO GUHHN4.7766e-76.9194e-85.3140e-82.3697e-89.7576e-91.0864e-63.8457e-71.2032e-81.8693e-983.1172
CIRO GUHHE5.6608e-71.0354e-75.1579e-81.9719e-88.0632e-91.7376e-62.4489e-71.1433e-82.2064e-983.1172
FUSIOCHHHZ7.3326e-71.1965e-77.5240e-82.2663e-81.0768e-82.5740e-63.0439e-71.8884e-83.1441e-996.182
FUSIOCHHHN1.0916e-61.4173e-78.3475e-82.7601e-81.2109e-84.0830e-64.1556e-71.6104e-83.5546e-996.182
FUSIOCHHHE7.8446e-71.1133e-78.4607e-82.6243e-81.5486e-81.5657e-65.0363e-72.2537e-83.6529e-996.182
LSD GUHHZ6.4143e-71.2852e-78.5698e-86.2327e-83.0698e-81.5178e-63.0458e-73.4679e-83.6139e-9100.6193
LSD GUHHN5.4523e-78.6152e-86.4600e-82.5731e-81.0392e-81.2656e-63.5272e-71.7821e-82.4892e-9100.6193
LSD GUHHE8.4876e-71.3637e-79.7345e-83.9853e-81.6698e-82.6287e-63.6442e-72.3220e-83.1035e-9100.6193
CANI GUHHZ6.2366e-78.7521e-85.4916e-81.6225e-86.6675e-91.7218e-62.6664e-79.9096e-92.3025e-9102.7168
CANI GUHHN4.8719e-78.3095e-85.4959e-81.8659e-81.0108e-81.6894e-62.7129e-71.1808e-81.8718e-9102.7168
CANI GUHHE8.2083e-71.1891e-77.3083e-82.7112e-81.1363e-81.9619e-63.8409e-71.5674e-82.7278e-9102.7168
MUGIOCHHHZ3.3675e-75.9304e-84.6064e-81.5459e-86.2287e-97.6850e-72.0849e-79.3099e-91.5567e-9133.2110
MUGIOCHHHN5.5215e-78.1555e-86.0337e-82.5972e-81.0792e-81.1662e-62.6336e-71.5242e-81.8601e-9133.2110
MUGIOCHHHE3.1699e-77.1179e-84.9859e-82.3150e-89.9153e-91.1914e-62.3147e-71.2951e-81.8241e-9133.2110
*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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