MANUAL Location - Area: Svizzera , magnitude (ML): 1.5
2025-08-05 18:11:57 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-08-06 09:47:26

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Earthquake info - Manual location
Event - ID :250805181130
Magnitude (ML) :1.5 +/- 0.2
Origin Time :2025-08-05 18:11:57.571 (UTC)
Location : Latitude: 46.414 N, Longitude: 7.111 E
Area :Svizzera
Depth (km) :4.09
Distances (km) : 64.3 --- Ollomont
64.5 --- Bionaz
65.8 --- Oyace
65.8 --- Saint-Oyen
65.9 --- Saint-Rhemy-En-Bosses
66.5 --- Etroubles
67.4 --- Valpelline
67.7 --- Doues
68.4 --- Allein
69.8 --- Courmayeur
71.4 --- Valtournenche
71.5 --- Roisan
71.5 --- Gignod
72.8 --- Pre -Saint-Didier
73.1 --- Morgex
74.2 --- La Salle
74.9 --- Chamois
76.4 --- Saint-Christophe
76.5 --- Torgnon
76.6 --- Aosta

Quality location estimate: Erh: 1.8 km, Erz: 3.2 km, Nf: 31, Gap: 242 °, Rms: 0.36


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.
SENINCH2025-08-05 18:12:01.8450.0160-0.011.542025-08-05 18:12:04.5700.1775-0.251.2116.7
DIXCH2025-08-05 18:12:06.7550.09840.431.152025-08-05 18:12:12.5290.24960.141.3743.8
VANNICH2025-08-05 18:12:06.8670.02000.461.102025-08-05 18:12:13.0950.17050.570.9344.0
LAUCHCH2025-08-05 18:12:07.6700.0281-0.011.552025-08-05 18:12:14.4800.1534-0.251.2051.0
REMYGU2025-08-05 18:12:10.2200.03510.481.082025-08-05 18:12:18.5610.33970.331.1764.4
BLANCGU2025-08-05 18:12:10.3430.02000.161.392025-08-05 18:12:18.1200.3077-0.890.4365.2
COURMFR2025-08-05 18:12:10.3320.02000.081.492025-08-05 18:12:18.5200.2196-0.560.7367.2
MRGEIV2025-08-05 18:12:11.2800.04420.331.242025-08-05 18:12:20.2100.2166-0.101.3071.9
FIESACH2025-08-05 18:12:12.1150.0401-0.341.022025-08-05 18:12:21.5970.0400-1.300.2076.9
MMKCH2025-08-05 18:12:12.6340.02000.820.462025-08-05 18:12:22.2380.04000.501.0577.3
SATIGU2025-08-05 18:12:13.1000.04920.121.462025-08-05 18:12:23.4650.0400-0.281.1483.9
RSLFR2025-08-05 18:12:13.9200.0472-0.081.452025-08-05 18:12:25.1200.2677-0.430.9289.0
CIROGU2025-08-05 18:12:16.2200.02001.110.262025-08-05 18:12:26.8900.4509-0.700.6797.1
LSDGU2025-08-05 18:12:17.4200.05621.080.302025-08-05 18:12:29.3000.4489-0.171.05106.3
RSPGU2025-08-05 18:12:23.1800.07331.240.002025-08-05 18:12:39.4650.04000.560.95141.3


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
SENINCHHH1.441.00e+016.7111
DIX CHHH1.321.24e-143.8149
VANNICHHH0.995.80e-244.0121
LAUCHCHHH1.802.79e-151.090
REMY GUHH1.366.21e-264.4177
BLANCGUHH1.681.25e-165.2192
COURMFRHH1.861.79e-167.2190
MRGE IVHH1.627.56e-271.9183
FIESACHHH1.741.02e-176.988
MMK CHHH1.281.83e-277.3121
SATI GUHH1.231.47e-283.9135
CIRO GUHH1.251.02e-297.1158
LSD GUHH1.532.90e-2106.3179
RSP GUHH1.591.75e-2141.3175


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.
(°)
SENINCHHHZ9.9483e-51.7600e-58.9371e-62.3419e-61.2560e-63.6717e-42.7462e-51.8910e-63.9576e-716.7111
SENINCHHHN5.8174e-51.0928e-57.0066e-61.8489e-61.0556e-61.6692e-43.6043e-51.2663e-62.5172e-716.7111
SENINCHHHE8.8601e-51.4785e-58.2004e-62.4422e-61.3062e-62.7764e-43.3443e-51.9238e-63.3956e-716.7111
DIX CHHHZ8.8164e-61.6113e-68.9018e-73.9639e-71.7607e-72.7530e-55.0799e-62.5573e-73.7301e-843.8149
DIX CHHHN1.4071e-52.0212e-61.0618e-65.0716e-72.1601e-72.2347e-57.8321e-63.1376e-74.8372e-843.8149
DIX CHHHE1.0080e-51.2987e-67.9551e-73.2683e-71.5654e-73.1807e-55.0800e-62.4639e-73.8777e-843.8149
VANNICHHHZ1.6534e-63.6024e-74.1332e-71.8551e-76.6491e-83.6512e-62.5050e-68.4644e-81.1974e-844.0121
VANNICHHHN1.5224e-65.1258e-74.5987e-73.2812e-71.2165e-73.4709e-62.9368e-61.5786e-71.6696e-844.0121
VANNICHHHE1.9183e-65.6379e-74.9388e-72.2521e-78.8392e-83.5993e-63.4048e-61.1761e-71.7537e-844.0121
LAUCHCHHHZ5.5007e-61.3603e-68.5131e-74.3979e-71.5433e-72.2449e-56.7054e-62.1473e-73.2891e-851.090
LAUCHCHHHN7.7546e-62.3050e-61.4682e-69.6116e-73.1513e-73.0018e-56.1744e-63.7053e-75.1404e-851.090
LAUCHCHHHE1.1772e-52.4523e-61.8856e-61.0703e-63.8586e-72.1171e-57.7096e-65.1586e-77.4032e-851.090
REMY GUHHZ4.0897e-64.8636e-73.2650e-79.2078e-84.9518e-84.4719e-62.3528e-66.9707e-81.1163e-864.4177
REMY GUHHN5.1892e-67.3543e-76.0904e-71.6801e-77.6811e-89.9014e-63.3024e-61.2301e-71.8402e-864.4177
REMY GUHHE3.5783e-65.7627e-73.9494e-71.1745e-75.9669e-81.0444e-51.8485e-69.4466e-81.3001e-864.4177
BLANCGUHHZ2.5548e-51.3629e-64.9968e-72.2444e-78.0597e-81.2130e-52.3033e-69.8484e-82.4621e-865.2192
BLANCGUHHN5.3956e-55.9103e-66.7482e-72.8941e-71.2311e-72.2885e-52.6127e-63.5350e-79.1243e-865.2192
BLANCGUHHE6.1252e-56.1920e-67.8781e-73.7919e-71.4309e-72.6951e-54.1453e-63.8015e-79.6399e-865.2192
COURMFRHHZ1.9957e-52.3992e-61.3281e-63.4251e-71.7966e-74.4774e-55.8523e-62.7258e-75.7391e-867.2190
COURMFRHHN1.6056e-52.8295e-61.7312e-64.0382e-72.0077e-74.6866e-57.6675e-63.2140e-75.5837e-867.2190
COURMFRHHE1.6353e-52.4090e-61.7406e-65.3245e-72.3924e-74.1658e-58.4430e-63.7080e-76.0393e-867.2190
MRGE IVHHZ5.5497e-68.1440e-74.8777e-71.7075e-78.7890e-86.0894e-62.6086e-61.2490e-71.6284e-871.9183
MRGE IVHHN9.4395e-61.0897e-66.0649e-72.2601e-71.0927e-71.5994e-53.4673e-61.5710e-72.3550e-871.9183
MRGE IVHHE8.3912e-61.0052e-65.0719e-72.0968e-78.7502e-81.0963e-53.0836e-61.3716e-72.2316e-871.9183
FIESACHHHZ3.4484e-64.9862e-74.6710e-72.9005e-71.3785e-78.0528e-64.4887e-61.9086e-71.4601e-876.988
FIESACHHHN3.1041e-69.9548e-77.9192e-75.5792e-73.8327e-79.7449e-65.3059e-63.9159e-73.2614e-876.988
FIESACHHHE2.7874e-65.0934e-75.2141e-73.0440e-71.2796e-76.0753e-64.5720e-61.5098e-71.6453e-876.988
MMK CHHHZ1.0831e-62.1578e-71.3562e-74.7684e-81.9777e-84.2207e-65.9623e-72.9367e-84.5519e-977.3121
MMK CHHHN1.0952e-61.7681e-71.5761e-76.0103e-82.8757e-82.7137e-69.6346e-74.1739e-85.1219e-977.3121
MMK CHHHE8.8652e-71.1386e-77.9843e-83.2024e-81.2357e-81.8460e-64.0020e-71.7401e-82.6756e-977.3121
SATI GUHHZ1.3697e-61.3445e-79.5198e-85.2636e-83.1182e-82.0931e-64.6746e-74.5697e-84.8312e-983.9135
SATI GUHHN2.2999e-62.7667e-71.1843e-74.1944e-82.2008e-84.9705e-64.2386e-73.6166e-86.6093e-983.9135
SATI GUHHE1.7417e-62.4552e-71.4093e-76.1585e-83.7146e-87.1139e-65.5974e-74.2359e-86.8754e-983.9135
CIRO GUHHZ6.4997e-71.1089e-78.3393e-83.9991e-81.6758e-81.7468e-64.3797e-72.1974e-83.3754e-997.1158
CIRO GUHHN7.3687e-71.0597e-78.7232e-83.3942e-81.3727e-82.3853e-65.3257e-71.7731e-82.5238e-997.1158
CIRO GUHHE8.5685e-71.0772e-78.9431e-83.8430e-81.4708e-82.4313e-63.8886e-71.7654e-82.9378e-997.1158
LSD GUHHZ1.5934e-62.1652e-71.7725e-76.9428e-83.1568e-83.5491e-68.0260e-74.4111e-86.3590e-9106.3179
LSD GUHHN2.2542e-62.2060e-71.3900e-74.7519e-81.9552e-84.6600e-67.3835e-73.1052e-85.4031e-9106.3179
LSD GUHHE2.4631e-64.0789e-72.4857e-77.5015e-83.9824e-87.5969e-61.3076e-66.0024e-89.3630e-9106.3179
RSP GUHHZ5.8302e-71.1359e-79.6606e-82.8875e-81.5948e-81.3547e-67.7288e-72.3561e-83.0992e-9141.3175
RSP GUHHN5.7682e-71.4651e-71.2332e-74.1903e-81.8146e-81.5253e-67.8372e-72.3234e-83.6163e-9141.3175
RSP GUHHE9.6363e-72.2309e-71.7437e-75.0883e-82.3539e-82.1985e-61.2466e-63.4201e-85.4680e-9141.3175
*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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