MANUAL Location - Area: Alpi Pennine , magnitude (ML): 0.5
2025-04-29 02:18:22 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-04-29 07:20:04

20 km
Lat : Lon
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Earthquake info - Manual location
Event - ID :250429021715
Magnitude (ML) :0.5 +/- 0.2
Origin Time :2025-04-29 02:18:22.615 (UTC)
Location : Latitude: 45.914 N, Longitude: 7.182 E
Area :Alpi Pennine
Depth (km) :4.09
Distances (km) : 10.1 --- Saint-Oyen
10.2 --- Saint-Rhemy-En-Bosses
10.9 --- Etroubles
12.1 --- Ollomont
13.6 --- Allein
14.2 --- Doues
14.8 --- Valpelline
16.9 --- Oyace
17.0 --- Gignod
17.5 --- Roisan
19.1 --- Bionaz
20.5 --- La Salle
20.7 --- Morgex
21.0 --- Courmayeur
21.9 --- Saint-Nicolas
22.0 --- Aosta
22.5 --- Pre -Saint-Didier
22.5 --- Sarre
22.9 --- Saint-Christophe
22.9 --- Saint-Pierre

Quality location estimate: Erh: 1.6 km, Erz: 1.6 km, Nf: 32, Gap: 123 °, Rms: 0.31


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.
MRGEIV2025-04-29 02:18:27.1600.01700.340.752025-04-29 02:18:29.5750.0400-0.051.8419.5
BLANCGU2025-04-29 02:18:27.5000.0200-0.012.002025-04-29 02:18:30.1110.0400-0.700.3322.0
DIXCH2025-04-29 02:18:28.3950.02000.031.942025-04-29 02:18:31.8110.0400-0.370.6526.0
VANNICH2025-04-29 02:18:31.7600.02000.251.092025-04-29 02:18:38.4000.04000.890.4046.2
CIROGU2025-04-29 02:18:31.8660.02210.151.442025-04-29 02:18:37.1390.0400-0.920.3846.3
RSLFR2025-04-29 02:18:30.7770.0200-1.520.092025-04-29 02:18:37.8520.0400-1.040.3250.1
LSDGU2025-04-29 02:18:32.9150.02000.820.382025-04-29 02:18:38.5070.0400-0.061.6251.1
SENINCH2025-04-29 02:18:32.4560.0200-0.161.372025-04-29 02:18:38.8430.0400-0.640.4551.1
SATIGU2025-04-29 02:18:32.5960.0200-0.280.902025-04-29 02:18:38.9400.0400-1.340.1953.7
EMBDCH2025-04-29 02:18:34.0490.02000.121.592025-04-29 02:18:41.6320.0400-0.041.5760.6
MMKCH2025-04-29 02:18:34.4500.02000.360.752025-04-29 02:18:41.6910.0400-0.350.8862.7
LATOIV2025-04-29 02:18:36.5340.02001.010.332025-04-29 02:18:44.2750.04000.051.5171.7
LAUCHCH2025-04-29 02:18:36.0380.02000.121.592025-04-29 02:18:46.0170.04000.940.3572.1
SIMPLCH2025-04-29 02:18:36.2330.0200-0.101.602025-04-29 02:18:45.6100.0400-0.181.2774.2
FIESACH2025-04-29 02:18:39.4980.02000.081.612025-04-29 02:18:51.6550.04000.660.5292.2


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
MRGE IVHH0.821.57e-119.5210
BLANCGUHH0.264.06e-222.0248
DIX CHHH0.687.72e-226.043
VANNICHHH0.291.05e-246.244
CIRO GUHH0.285.43e-346.3139
LSD GUHH0.349.53e-351.1184
SENINCHHH0.631.85e-251.110
SATI GUHH0.507.15e-353.794
EMBD CHHH0.164.45e-360.656
MMK CHHH0.424.07e-362.776
LAUCHCHHH0.851.48e-272.139
SIMPLCHHH0.314.08e-374.260
FIESACHHH0.878.91e-392.251


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.
(°)
MRGE IVHHZ1.6498e-51.4843e-64.8903e-71.5415e-77.1468e-81.5708e-52.2673e-61.1615e-72.7361e-819.5210
MRGE IVHHN3.4904e-53.6454e-68.4039e-74.2211e-72.0318e-74.5072e-53.0467e-63.4731e-77.6720e-819.5210
MRGE IVHHE3.3230e-53.2922e-68.2123e-73.3451e-71.3575e-73.2061e-54.6123e-62.5925e-75.6697e-819.5210
BLANCGUHHZ3.4462e-65.2690e-71.9448e-76.6595e-83.6205e-81.0094e-59.1297e-75.9007e-81.1828e-822.0248
BLANCGUHHN3.9191e-64.9172e-72.2875e-77.6844e-83.8631e-87.4419e-68.8256e-76.3170e-81.1656e-822.0248
BLANCGUHHE5.5322e-67.1450e-73.3721e-71.1755e-75.8799e-89.7204e-61.5414e-68.4136e-81.5970e-822.0248
DIX CHHHZ1.3246e-51.2846e-64.0100e-71.1710e-76.9106e-82.4204e-51.4388e-61.3344e-73.0732e-826.043
DIX CHHHN1.0651e-51.1346e-63.4556e-77.7768e-84.4972e-81.3215e-51.1660e-68.6597e-81.8042e-826.043
DIX CHHHE1.7901e-51.9843e-65.9221e-71.9083e-71.1646e-72.8463e-51.7486e-61.9963e-73.6387e-826.043
VANNICHHHZ1.0492e-69.0945e-86.2906e-84.1288e-81.6913e-89.2020e-73.1230e-72.3375e-82.5552e-946.244
VANNICHHHN7.7824e-71.0248e-77.5815e-85.1769e-81.8372e-81.2812e-63.8803e-72.3052e-83.5780e-946.244
VANNICHHHE7.2219e-77.6097e-85.6783e-83.0770e-81.1741e-81.2252e-63.8584e-71.7335e-82.2566e-946.244
CIRO GUHHZ1.9486e-61.7865e-74.2099e-81.3882e-86.8033e-91.6566e-61.7587e-71.2919e-83.4405e-946.3139
CIRO GUHHN1.9480e-61.6360e-74.2652e-81.7587e-88.3099e-91.5608e-62.3243e-71.4354e-82.8938e-946.3139
CIRO GUHHE1.2547e-61.3604e-74.7170e-81.4822e-87.1764e-92.9282e-61.9545e-71.1940e-82.8400e-946.3139
LSD GUHHZ1.5576e-62.6197e-71.0028e-73.1758e-81.7253e-83.6041e-64.0212e-72.7966e-85.6023e-951.1184
LSD GUHHN1.7572e-61.9309e-76.0172e-82.3222e-88.7571e-93.2219e-62.3491e-71.4895e-83.6985e-951.1184
LSD GUHHE2.1339e-62.3845e-78.2361e-82.4354e-81.1964e-84.7096e-63.5749e-72.2071e-85.3669e-951.1184
SENINCHHHZ1.7775e-64.7657e-72.6370e-79.5880e-85.0688e-87.3278e-61.3829e-66.9567e-81.0323e-851.110
SENINCHHHN1.5345e-62.9834e-71.7872e-75.2460e-82.7704e-86.1685e-61.2368e-64.2580e-86.9003e-951.110
SENINCHHHE2.1317e-63.4658e-71.9916e-75.9242e-82.6767e-87.7476e-66.8852e-74.0946e-88.3957e-951.110
SATI GUHHZ9.0773e-71.3537e-73.8450e-81.1299e-86.5307e-92.5004e-61.4088e-71.1020e-82.8557e-953.794
SATI GUHHN1.6394e-61.8232e-74.8402e-81.6349e-89.4854e-93.1926e-61.5824e-71.8859e-83.9591e-953.794
SATI GUHHE1.3166e-61.5370e-75.1135e-81.3422e-81.2474e-82.9245e-62.0655e-71.8089e-83.4623e-953.794
EMBD CHHHZ4.4090e-76.3088e-84.2679e-82.5841e-88.9972e-97.5572e-71.9181e-71.3158e-81.5995e-960.656
EMBD CHHHN4.0986e-76.6545e-84.4264e-82.2819e-81.3903e-89.3737e-72.2151e-72.1162e-82.1758e-960.656
EMBD CHHHE4.5006e-74.5930e-83.2754e-81.3763e-85.6670e-98.2344e-71.1203e-78.8554e-91.1903e-960.656
MMK CHHHZ6.7970e-78.6055e-84.4361e-81.3416e-87.2105e-91.6931e-61.9159e-71.1401e-82.1618e-962.776
MMK CHHHN6.3546e-77.9573e-84.2130e-81.1942e-85.6406e-92.3642e-61.6949e-78.3008e-91.7494e-962.776
MMK CHHHE8.5787e-79.6267e-82.9278e-81.1221e-85.9747e-91.2907e-61.3549e-71.0877e-82.3440e-962.776
LAUCHCHHHZ3.1841e-75.5002e-84.0464e-81.3473e-86.2096e-91.2055e-61.4277e-77.5870e-91.1816e-972.139
LAUCHCHHHN4.5769e-79.7186e-85.6133e-82.0526e-88.7155e-92.3116e-62.6458e-71.1945e-82.5742e-972.139
LAUCHCHHHE9.3739e-71.9099e-71.5396e-73.4958e-81.8100e-82.6447e-67.5904e-72.7079e-84.9291e-972.139
SIMPLCHHHZ4.2943e-75.9872e-83.9213e-81.6984e-86.5008e-91.1050e-61.6471e-79.4571e-91.4591e-974.260
SIMPLCHHHN4.0786e-75.1972e-83.3546e-81.3845e-86.2954e-96.6954e-71.8112e-71.1051e-81.3806e-974.260
SIMPLCHHHE3.0570e-75.6089e-83.4053e-81.4203e-87.4755e-99.8586e-71.6375e-71.1313e-81.4965e-974.260
FIESACHHHZ5.2117e-71.1334e-79.9653e-84.0921e-81.9363e-81.7850e-67.0143e-72.8517e-83.1948e-992.251
FIESACHHHN6.7457e-71.4490e-78.7151e-84.2765e-82.5498e-81.5012e-65.1779e-72.8733e-83.6210e-992.251
FIESACHHHE4.4900e-78.4678e-87.0965e-84.8268e-82.1317e-81.6623e-63.9465e-72.6990e-82.9144e-992.251
*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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