MANUAL Location - Area: Alpi Pennine , magnitude (ML): 0.8
2024-12-19 12:28:49 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2024-12-20 08:05:41

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Earthquake info - Manual location
Event - ID :241219122729
Magnitude (ML) :0.8 +/- 0.2
Origin Time :2024-12-19 12:28:49.057 (UTC)
Location : Latitude: 45.879 N, Longitude: 7.011 E
Area :Alpi Pennine
Depth (km) :5.47
Distances (km) : 9.9 --- Courmayeur
12.9 --- Pre -Saint-Didier
13.5 --- Morgex
14.4 --- Saint-Rhemy-En-Bosses
15.4 --- La Salle
16.6 --- Saint-Oyen
18.1 --- Etroubles
18.5 --- La Thuile
21.3 --- Avise
21.6 --- Allein
21.6 --- Saint-Nicolas
22.9 --- Arvier
23.3 --- Ollomont
23.8 --- Doues
24.5 --- Gignod
24.8 --- Villeneuve
24.9 --- Introd
25.0 --- Valpelline
25.2 --- Saint-Pierre
25.6 --- Roisan

Quality location estimate: Erh: 0.5 km, Erz: 0.2 km, Nf: 28, Gap: 133 °, Rms: 0.39


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.
COURMFR2024-12-19 12:28:51.4140.0050-0.011.972024-12-19 12:28:52.3100.0330-0.641.2110.2
BLANCGU2024-12-19 12:28:51.7200.0040-0.011.962024-12-19 12:28:52.9500.4018-0.570.7911.3
REMYGU2024-12-19 12:28:52.5500.00700.051.702024-12-19 12:28:54.2710.0400-0.551.0514.5
MRGEIV2024-12-19 12:28:52.3100.0070-0.031.832024-12-19 12:28:53.9130.0461-0.611.2114.6
RSLFR2024-12-19 12:28:56.4000.01900.081.282024-12-19 12:29:00.5900.1173-0.630.9637.0
DIXCH2024-12-19 12:28:56.8910.0200-0.051.552024-12-19 12:29:01.5900.1334-0.750.8238.6
LSDGU2024-12-19 12:28:57.9080.0200-0.051.482024-12-19 12:29:03.4800.1484-0.540.8648.2
CIROGU2024-12-19 12:28:58.8730.0200-0.520.942024-12-19 12:29:05.0200.1615-1.560.1953.7
SENINCH2024-12-19 12:29:00.2210.0200-0.121.032024-12-19 12:29:07.0420.0400-1.170.3458.7
MMKCH2024-12-19 12:29:02.7210.02000.021.252024-12-19 12:29:11.6680.0400-0.620.8576.6
RSPGU2024-12-19 12:29:04.8170.02001.020.122024-12-19 12:29:12.7460.0400-1.100.4383.9


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
COURMFRHH1.331.89e+010.2209
BLANCGUHH0.764.18e-111.3237
REMY GUHH0.712.43e-114.5112
MRGE IVHH1.034.24e-114.6162
DIX CHHH0.936.46e-238.653
LSD GUHH0.672.32e-248.2168
CIRO GUHH0.881.61e-253.7125
SENINCHHH0.973.08e-258.722
MMK CHHH0.684.78e-376.675
RSP GUHH0.484.85e-383.9166


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.
(°)
COURMFRHHZ2.0858e-42.6745e-51.3434e-53.2222e-61.6619e-68.0627e-46.8925e-53.0925e-66.6630e-710.2209
COURMFRHHN2.2463e-43.4202e-51.8020e-54.3903e-62.5377e-67.7705e-46.7785e-53.9867e-67.7277e-710.2209
COURMFRHHE1.6952e-43.2086e-51.9253e-54.3693e-62.1894e-68.2684e-48.8018e-53.4574e-67.1120e-710.2209
BLANCGUHHZ4.0052e-55.3694e-62.9000e-68.1641e-73.9159e-71.2218e-41.2594e-55.9482e-71.2546e-711.3237
BLANCGUHHN7.4557e-58.5291e-62.8560e-68.4329e-74.8665e-79.7376e-51.1217e-58.6117e-71.8050e-711.3237
BLANCGUHHE9.3747e-58.0105e-63.7518e-69.4622e-75.2079e-71.2728e-41.5921e-58.6335e-71.5646e-711.3237
REMY GUHHZ1.9143e-52.1865e-68.5874e-73.3186e-71.2011e-73.4204e-53.7412e-61.8183e-74.0350e-814.5112
REMY GUHHN5.0560e-56.6394e-61.4169e-66.7627e-73.1449e-79.4440e-56.0879e-65.6471e-71.2342e-714.5112
REMY GUHHE2.0230e-52.4763e-61.2783e-65.3371e-72.0175e-73.1440e-56.7120e-63.1280e-75.8660e-814.5112
MRGE IVHHZ7.4995e-55.7440e-61.3762e-65.6161e-72.8528e-73.8068e-56.9184e-65.4017e-71.2904e-714.6162
MRGE IVHHN1.1610e-41.3234e-52.2580e-61.1026e-65.2991e-79.9855e-51.2046e-59.8127e-72.5599e-714.6162
MRGE IVHHE1.3549e-41.4067e-51.9266e-67.1576e-74.4166e-78.0253e-51.0477e-58.4178e-72.5398e-714.6162
DIX CHHHZ8.5222e-61.1641e-66.1636e-71.7443e-78.7929e-81.6230e-52.6568e-61.2712e-72.5415e-838.653
DIX CHHHN7.7083e-69.4964e-75.7869e-71.6982e-71.0017e-71.0822e-53.1053e-61.3909e-72.2639e-838.653
DIX CHHHE1.3505e-51.1414e-66.4722e-71.6707e-78.9941e-82.5446e-52.4838e-61.6080e-73.0479e-838.653
LSD GUHHZ2.9873e-63.7289e-71.8868e-77.5698e-83.2192e-84.5267e-68.6275e-74.6682e-88.8861e-948.2168
LSD GUHHN4.8829e-65.5893e-71.4358e-74.5329e-82.5221e-88.5955e-67.8135e-74.4007e-81.1233e-848.2168
LSD GUHHE9.5475e-68.0832e-71.7542e-76.9170e-83.4495e-86.9075e-66.3832e-76.6706e-81.7702e-848.2168
CIRO GUHHZ2.2208e-62.5176e-71.0669e-73.4984e-81.4537e-83.4068e-64.5913e-72.1036e-84.9587e-953.7125
CIRO GUHHN4.2033e-64.0710e-71.6293e-74.4947e-82.3849e-86.3079e-65.8676e-74.2602e-88.7092e-953.7125
CIRO GUHHE2.8529e-63.9111e-71.0903e-72.9181e-81.5924e-84.0577e-63.9298e-73.4061e-88.9079e-953.7125
SENINCHHHZ2.4401e-64.8213e-73.3223e-71.0228e-75.7539e-89.1259e-61.5305e-67.4224e-81.3029e-858.722
SENINCHHHN2.2356e-63.2087e-72.1410e-79.1850e-84.4299e-85.4400e-61.3574e-66.0990e-88.3119e-958.722
SENINCHHHE3.1297e-65.0943e-72.6980e-77.4798e-83.8596e-89.5141e-61.2599e-65.5740e-81.2030e-858.722
MMK CHHHZ5.1718e-76.6812e-84.1059e-81.8422e-88.4424e-91.6646e-62.1436e-71.1155e-81.8200e-976.675
MMK CHHHN6.5027e-78.1013e-84.1046e-82.0981e-81.9531e-81.7775e-61.8281e-73.2072e-85.7358e-976.675
MMK CHHHE6.3377e-77.4247e-82.7445e-81.0521e-85.3705e-99.8838e-71.1979e-78.8515e-91.6167e-976.675
RSP GUHHZ3.9216e-75.5495e-83.0908e-89.0578e-95.3542e-97.8252e-71.3361e-78.6369e-91.3496e-983.9166
RSP GUHHN3.8813e-75.8817e-84.1008e-81.2715e-86.0763e-91.1337e-61.5153e-71.0345e-81.4037e-983.9166
RSP GUHHE5.7306e-77.8313e-84.8138e-81.4745e-86.8923e-91.2578e-63.0232e-78.7583e-92.0264e-983.9166
*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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