MANUAL Location - Area: Svizzera , magnitude (ML): 0.9
2025-10-01 18:42:45 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-10-02 07:22:09

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Earthquake info - Manual location
Event - ID :251001184222
Magnitude (ML) :0.9 +/- 0.2
Origin Time :2025-10-01 18:42:45.171 (UTC)
Location : Latitude: 46.030 N, Longitude: 6.896 E
Area :Svizzera
Depth (km) :6.48
Distances (km) : 27.0 --- Courmayeur
30.3 --- Pre -Saint-Didier
31.8 --- Saint-Rhemy-En-Bosses
32.1 --- Morgex
33.3 --- Saint-Oyen
34.3 --- La Salle
34.6 --- Etroubles
34.9 --- La Thuile
37.6 --- Ollomont
38.0 --- Allein
39.4 --- Doues
40.2 --- Valpelline
40.3 --- Avise
40.5 --- Saint-Nicolas
41.4 --- Gignod
41.8 --- Arvier
42.1 --- Roisan
42.4 --- Oyace
43.6 --- Villeneuve
43.8 --- Introd

Quality location estimate: Erh: 1.1 km, Erz: 1.3 km, Nf: 42, Gap: 191 °, Rms: 0.27


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.
BLANCGU2025-10-01 18:42:49.9900.0120-0.051.612025-10-01 18:42:52.6390.0722-0.730.5323.0
COURMFR2025-10-01 18:42:50.3500.01900.031.662025-10-01 18:42:53.3800.0812-0.440.8925.2
REMYGU2025-10-01 18:42:51.6700.03110.260.662025-10-01 18:42:55.5240.1013-0.161.3730.7
MRGEIV2025-10-01 18:42:51.7400.01800.061.492025-10-01 18:42:55.8400.1053-0.311.1432.6
DIXCH2025-10-01 18:42:53.3890.0221-0.011.612025-10-01 18:42:58.4690.3057-0.550.8340.5
RSLFR2025-10-01 18:42:53.0600.0271-0.460.822025-10-01 18:42:57.7030.1965-1.550.0743.9
SENINCH2025-10-01 18:42:54.6200.0271-0.211.252025-10-01 18:43:00.6100.1494-1.010.3549.1
VANNICH2025-10-01 18:42:56.1420.0200-0.081.512025-10-01 18:43:03.5860.0400-0.261.2158.1
LSDGU2025-10-01 18:42:57.2600.03510.111.232025-10-01 18:43:04.7980.2336-0.600.7966.6
CIROGU2025-10-01 18:42:58.2070.0200-0.061.482025-10-01 18:43:06.4200.2246-1.070.3471.1
EMBDCH2025-10-01 18:42:58.9600.0391-0.061.462025-10-01 18:43:08.6850.46390.100.8075.4
SATIGU2025-10-01 18:42:58.9100.0462-0.450.912025-10-01 18:43:08.1150.4158-1.380.2277.6
LAUCHCH2025-10-01 18:42:59.9900.04120.051.352025-10-01 18:43:09.8050.2466-0.490.9080.3
MMKCH2025-10-01 18:43:00.0500.04620.161.062025-10-01 18:43:10.0610.0400-0.021.2382.9
SIMPLCH2025-10-01 18:43:01.2600.0462-0.361.062025-10-01 18:43:12.9230.4469-0.090.8790.0
LATOIV2025-10-01 18:43:01.6230.02000.210.912025-10-01 18:43:11.8280.0400-0.620.7492.4
RSPGU2025-10-01 18:43:03.2170.02000.230.862025-10-01 18:43:14.4580.0400-0.770.60102.4
FIESACH2025-10-01 18:43:03.5580.0200-0.670.642025-10-01 18:43:17.0680.0400-0.420.97104.0


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
BLANCGUHH0.711.05e-123.0172
COURMFRHH1.293.35e-125.2167
REMY GUHH0.817.78e-230.7137
MRGE IVHH1.221.48e-132.6156
DIX CHHH0.956.22e-240.582
VANNICHHH0.469.78e-358.169
LSD GUHH0.912.02e-266.6164
CIRO GUHH1.151.67e-271.1132
SATI GUHH1.021.08e-277.6103
LAUCHCHHH1.202.61e-280.357
MMK CHHH0.603.33e-382.988
RSP GUHH0.847.08e-3102.4164
FIESACHHH1.161.31e-2104.064


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.
(°)
BLANCGUHHZ9.2758e-61.4000e-66.5513e-71.6500e-71.0703e-73.6936e-52.9501e-61.8403e-73.6573e-823.0172
BLANCGUHHN1.7773e-52.7768e-68.3183e-72.1781e-71.1953e-74.5996e-53.8321e-62.2917e-75.8456e-823.0172
BLANCGUHHE1.0693e-51.6986e-68.2047e-72.7063e-71.8237e-74.5341e-52.9190e-62.8326e-74.1798e-823.0172
COURMFRHHZ3.4017e-54.2702e-62.3187e-65.3464e-72.8552e-77.6504e-57.8809e-64.9581e-71.0173e-725.2167
COURMFRHHN3.1647e-54.7615e-62.5732e-66.3225e-73.1571e-71.0630e-47.8071e-64.9746e-71.0273e-725.2167
COURMFRHHE4.4331e-56.5577e-62.7195e-68.2940e-75.2320e-71.0423e-41.1422e-59.0808e-71.7878e-725.2167
REMY GUHHZ6.6910e-69.6888e-75.5552e-71.5614e-77.8256e-81.5368e-54.0606e-61.1601e-72.2987e-830.7137
REMY GUHHN9.3184e-61.5618e-67.0863e-72.4399e-71.1968e-72.2066e-53.2208e-61.6266e-73.2973e-830.7137
REMY GUHHE1.1406e-51.4560e-65.7442e-71.7688e-79.4259e-83.5133e-52.3486e-61.5666e-73.0486e-830.7137
MRGE IVHHZ1.9137e-51.8659e-63.9394e-71.3297e-76.1111e-81.2371e-52.1009e-61.2481e-73.3971e-832.6156
MRGE IVHHN4.4062e-54.9731e-67.5481e-72.4350e-71.4096e-75.7379e-53.0907e-63.1493e-79.9083e-832.6156
MRGE IVHHE3.6719e-54.1194e-68.7869e-73.4964e-71.7121e-74.3363e-53.5113e-63.3627e-78.2328e-832.6156
DIX CHHHZ6.0542e-68.3827e-73.7843e-71.2722e-75.9571e-86.1545e-62.2581e-68.8141e-81.5414e-840.582
DIX CHHHN9.6397e-69.9906e-75.5794e-71.8824e-78.8698e-81.3362e-52.6774e-61.5269e-73.0465e-840.582
DIX CHHHE5.4593e-66.3739e-72.7930e-71.2553e-74.4746e-88.2549e-61.0680e-66.3759e-81.1559e-840.582
SENINCHHHZ1.9058e-52.4830e-61.0639e-62.4700e-71.6961e-73.7309e-53.2697e-63.1464e-76.4771e-849.140
SENINCHHHN8.0825e-61.1683e-67.0557e-71.6853e-78.4789e-82.4952e-52.5919e-61.4449e-72.8650e-849.140
SENINCHHHE1.5303e-52.1215e-61.1526e-63.0051e-71.6518e-72.6578e-53.4316e-62.6099e-75.6624e-849.140
VANNICHHHZ8.6328e-79.2342e-87.7911e-82.9687e-81.3143e-81.1138e-65.2919e-71.8553e-82.6632e-958.169
VANNICHHHN9.8778e-71.0121e-76.3219e-82.5232e-81.2326e-81.0101e-63.6327e-71.8700e-83.0138e-958.169
VANNICHHHE7.7885e-71.2163e-79.0133e-84.7517e-81.8243e-81.3363e-65.8189e-72.2004e-83.0258e-958.169
LSD GUHHZ1.9189e-62.0588e-77.5578e-82.9137e-81.2917e-82.2314e-62.4791e-72.1441e-84.5461e-966.6164
LSD GUHHN2.8456e-62.2703e-78.3522e-82.7370e-82.1100e-83.6871e-63.3537e-73.9454e-86.4795e-966.6164
LSD GUHHE2.7391e-63.7583e-71.3365e-74.4067e-82.9344e-84.1466e-65.8352e-75.0957e-89.9633e-966.6164
CIRO GUHHZ2.0355e-61.8171e-76.8431e-83.0511e-81.3593e-82.1243e-62.7542e-71.7150e-83.3356e-971.1132
CIRO GUHHN2.5105e-62.8763e-71.1602e-75.2799e-82.5011e-82.8830e-66.4149e-74.8213e-86.4576e-971.1132
CIRO GUHHE1.8875e-61.9013e-75.8964e-82.1413e-81.3960e-82.2860e-62.2983e-72.2341e-83.5969e-971.1132
EMBD CHHHZ1.2625e-61.7888e-78.0295e-82.5215e-82.4605e-82.6708e-63.8347e-74.7856e-84.8831e-975.474
EMBD CHHHN9.0212e-71.1196e-75.0958e-81.3732e-87.7783e-91.9021e-62.8646e-71.3799e-82.6131e-975.474
EMBD CHHHE9.4325e-71.1614e-74.4244e-81.4270e-89.2722e-91.2189e-62.2249e-71.5849e-82.2293e-975.474
SATI GUHHZ6.7984e-78.7936e-84.0759e-81.4716e-87.8115e-91.5503e-61.7205e-71.2737e-82.0179e-977.6103
SATI GUHHN2.0711e-62.4448e-77.9651e-82.1818e-81.4443e-84.3949e-63.2632e-72.4144e-85.1733e-977.6103
SATI GUHHE1.3729e-61.5715e-76.6021e-81.6802e-89.6887e-93.7406e-62.0773e-71.6443e-83.1329e-977.6103
LAUCHCHHHZ9.3415e-71.6495e-79.9030e-83.9005e-81.7622e-83.9836e-64.7955e-72.7896e-83.8818e-980.357
LAUCHCHHHN2.0413e-63.0615e-71.6280e-74.6969e-82.2336e-87.0262e-63.8803e-73.4709e-87.2009e-980.357
LAUCHCHHHE1.8111e-64.4981e-72.3676e-76.7188e-84.8094e-89.6346e-67.7622e-78.3827e-81.0673e-880.357
MMK CHHHZ5.4221e-77.0479e-83.4672e-81.3236e-87.1955e-91.8677e-61.4523e-71.0194e-81.4999e-982.988
MMK CHHHN4.4636e-75.9948e-83.2280e-81.1476e-87.6554e-91.2149e-61.2411e-71.3021e-81.6070e-982.988
MMK CHHHE3.1824e-75.1335e-82.2545e-89.8369e-96.3236e-96.1112e-79.9238e-89.8395e-91.2633e-982.988
SIMPLCHHHZ5.3080e-75.6769e-82.7208e-81.3303e-85.9119e-99.0232e-71.6261e-78.7974e-91.1374e-990.075
SIMPLCHHHN3.5508e-75.4229e-83.1639e-81.2690e-86.1833e-98.3022e-71.4699e-71.0791e-81.3410e-990.075
SIMPLCHHHE3.4833e-75.7434e-82.5890e-81.0153e-84.4743e-91.0748e-61.1086e-77.8603e-91.4397e-990.075
RSP GUHHZ4.5372e-75.4389e-83.6762e-81.9187e-88.5769e-91.1510e-61.8047e-71.4099e-81.5711e-9102.4164
RSP GUHHN5.3801e-78.5115e-86.7449e-82.1463e-89.7023e-91.2796e-63.0057e-71.3947e-82.3813e-9102.4164
RSP GUHHE5.5646e-71.1132e-77.4505e-82.3671e-81.1262e-81.8405e-62.9147e-71.5185e-82.9355e-9102.4164
FIESACHHHZ1.0199e-61.0183e-76.9814e-83.9663e-82.8853e-81.8531e-64.3974e-74.7823e-83.2767e-9104.064
FIESACHHHN9.3840e-71.2326e-77.8243e-84.5225e-83.1667e-81.9471e-63.6279e-74.0836e-83.6024e-9104.064
FIESACHHHE8.2912e-71.3109e-78.0118e-83.9941e-83.3287e-82.2201e-65.2951e-73.3285e-84.4324e-9104.064
*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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