MANUAL Location - Area: Alpi Pennine , magnitude (ML): 0.7
2024-09-20 04:35:38 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2024-09-20 07:20:34

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Earthquake info - Manual location
Event - ID :240920043512
Magnitude (ML) :0.7 +/- 0.2
Origin Time :2024-09-20 04:35:38.984 (UTC)
Location : Latitude: 45.865 N, Longitude: 6.983 E
Area :Alpi Pennine
Depth (km) :5.40
Distances (km) : 8.0 --- Courmayeur
11.2 --- Pre -Saint-Didier
12.5 --- Morgex
14.8 --- La Salle
15.9 --- Saint-Rhemy-En-Bosses
16.5 --- La Thuile
18.2 --- Saint-Oyen
19.6 --- Etroubles
21.1 --- Avise
21.7 --- Saint-Nicolas
22.8 --- Arvier
23.1 --- Allein
24.9 --- Introd
25.0 --- Villeneuve
25.3 --- Ollomont
25.5 --- Doues
25.6 --- Saint-Pierre
25.9 --- Gignod
26.7 --- Valgrisenche
26.7 --- Rhemes-Saint-Georges

Quality location estimate: Erh: 0.8 km, Erz: 0.7 km, Nf: 24, Gap: 145 °, Rms: 0.29


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.
COURMFR2024-09-20 04:35:40.8600.0040-0.111.192024-09-20 04:35:41.7100.0230-0.551.018.6
BLANCGU2024-09-20 04:35:40.7000.0030-0.590.992024-09-20 04:35:41.2500.1013-1.590.029.8
MRGEIV2024-09-20 04:35:42.3100.00800.121.272024-09-20 04:35:44.3010.0400-0.001.6514.1
REMYGU2024-09-20 04:35:42.8100.00800.111.312024-09-20 04:35:45.1840.0400-0.011.6415.8
RSLFR2024-09-20 04:35:45.8100.01700.011.662024-09-20 04:35:49.8600.1033-0.510.8334.4
DIXCH2024-09-20 04:35:47.2700.0201-0.051.532024-09-20 04:35:52.4650.1233-0.570.7741.1
LSDGU2024-09-20 04:35:48.0700.02000.330.282024-09-20 04:35:53.1540.0400-0.520.8347.2
CIROGU2024-09-20 04:35:49.3660.0200-0.151.052024-09-20 04:35:56.0410.0400-0.770.4754.5
SENINCH2024-09-20 04:35:50.7460.02000.071.422024-09-20 04:35:58.0480.5999-0.780.5261.0
SATIGU2024-09-20 04:35:51.5820.02000.041.452024-09-20 04:36:00.2650.0400-0.490.8069.0
EMBDCH2024-09-20 04:35:52.9600.02000.071.352024-09-20 04:36:02.0810.0400-0.440.8476.5
MMKCH2024-09-20 04:35:53.5310.02000.490.142024-09-20 04:36:02.6730.0400-0.260.9979.0


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
BLANCGUHH0.948.08e-19.8239
MRGE IVHH0.481.28e-114.1150
REMY GUHH0.308.16e-215.8103
DIX CHHH1.067.73e-241.153
LSD GUHH0.451.47e-247.2165
CIRO GUHH0.506.50e-354.5123
SENINCHHH0.942.66e-261.024
SATI GUHH0.869.79e-369.089
EMBD CHHH0.617.47e-376.559
MMK CHHH0.755.19e-379.074


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.
(°)
COURMFRHHZ1.1777e-41.8231e-51.0951e-53.8235e-61.9971e-62.7403e-45.1418e-53.1096e-65.1291e-78.6197
COURMFRHHN1.5662e-42.0942e-51.6451e-57.5897e-63.6546e-65.4518e-45.4648e-55.4732e-66.4686e-78.6197
COURMFRHHE1.8095e-42.8393e-51.3542e-55.6748e-62.4743e-64.7337e-46.3752e-53.3937e-66.7062e-78.6197
BLANCGUHHZ7.7485e-51.2931e-55.0723e-61.4905e-69.3024e-72.2373e-41.6733e-51.3563e-62.5373e-79.8239
BLANCGUHHN8.6619e-51.2875e-55.0746e-63.0427e-62.1920e-62.6486e-42.0568e-53.3585e-64.1528e-79.8239
BLANCGUHHE6.5381e-51.0615e-56.3323e-64.4757e-63.8442e-63.4340e-42.5990e-54.8588e-63.2999e-79.8239
MRGE IVHHZ1.8878e-51.3830e-65.2374e-73.3259e-71.3032e-71.1102e-53.8753e-61.6778e-72.0468e-814.1150
MRGE IVHHN2.0775e-52.0208e-68.5717e-75.2181e-72.4958e-72.6192e-56.2409e-62.9336e-74.4765e-814.1150
MRGE IVHHE1.5641e-51.9735e-68.7920e-73.4138e-72.0882e-73.1442e-57.0136e-63.2374e-74.1636e-814.1150
REMY GUHHZ4.5878e-65.4803e-73.2589e-72.1458e-78.2344e-89.1793e-62.0455e-61.1737e-71.2852e-815.8103
REMY GUHHN4.6169e-66.5779e-74.4695e-75.1367e-72.3463e-71.1862e-51.5343e-62.8057e-72.2705e-815.8103
REMY GUHHE5.8782e-67.1417e-74.2318e-72.8101e-71.2126e-71.3218e-51.7381e-61.1132e-71.5269e-815.8103
DIX CHHHZ3.6423e-67.1498e-74.7911e-71.6711e-76.7045e-89.2443e-61.8837e-68.9390e-81.5884e-841.153
DIX CHHHN4.6271e-67.5896e-75.0466e-71.8709e-78.1573e-81.6745e-52.4138e-61.1425e-72.1927e-841.153
DIX CHHHE6.1145e-61.1126e-66.3640e-72.1738e-71.1625e-71.8669e-52.0152e-61.8866e-73.2205e-841.153
LSD GUHHZ8.3330e-71.0804e-79.8439e-84.6888e-81.7550e-81.8998e-63.7264e-72.4649e-83.5521e-947.2165
LSD GUHHN8.3460e-71.6654e-78.6670e-83.0584e-81.4311e-82.7147e-65.7239e-72.4275e-83.2650e-947.2165
LSD GUHHE1.1056e-61.9690e-71.4357e-74.3179e-81.9087e-83.1867e-67.1758e-72.6872e-84.7000e-947.2165
CIRO GUHHZ5.8648e-78.7882e-84.8065e-82.3451e-89.0328e-91.5881e-62.0279e-71.2088e-82.1834e-954.5123
CIRO GUHHN7.2468e-77.9774e-85.3742e-83.0952e-81.3506e-81.5985e-62.2070e-71.7166e-81.9748e-954.5123
CIRO GUHHE6.3615e-78.0875e-84.8502e-82.9202e-81.0794e-81.6116e-61.8496e-71.3788e-82.0234e-954.5123
SENINCHHHZ1.3062e-62.7016e-72.1741e-79.4332e-83.9901e-84.8872e-68.9096e-74.8391e-87.1158e-961.024
SENINCHHHN1.1640e-62.2749e-71.8224e-77.6879e-83.6857e-83.5911e-61.2294e-65.5354e-87.2805e-961.024
SENINCHHHE1.4410e-62.6617e-72.5930e-79.3619e-84.4058e-83.8811e-61.8979e-66.5075e-87.5523e-961.024
SATI GUHHZ4.4354e-77.3432e-84.7832e-81.8669e-88.9780e-91.5494e-61.6781e-71.2086e-81.9852e-969.089
SATI GUHHN1.0123e-61.7289e-78.0561e-83.2340e-83.1183e-85.2228e-63.4540e-75.3259e-84.6454e-969.089
SATI GUHHE1.0850e-61.4779e-76.8456e-82.0182e-89.4976e-94.0271e-62.0298e-71.7584e-82.9218e-969.089
EMBD CHHHZ2.3785e-78.0118e-86.8248e-85.5785e-82.0465e-86.4389e-73.4654e-72.4245e-82.2246e-976.559
EMBD CHHHN2.7985e-76.2752e-85.7828e-83.7219e-81.6128e-87.0912e-72.7824e-72.0971e-82.2099e-976.559
EMBD CHHHE2.7487e-76.8104e-85.3461e-84.6685e-82.8507e-86.8022e-71.8126e-74.9496e-82.9994e-976.559
MMK CHHHZ3.4021e-76.4369e-85.1138e-81.8756e-88.5927e-91.1004e-63.3000e-71.2011e-81.7433e-979.074
MMK CHHHN3.0101e-77.2413e-85.2214e-81.9284e-87.8362e-91.0452e-63.1052e-71.1117e-81.8579e-979.074
MMK CHHHE2.7871e-75.3710e-83.9355e-81.5719e-87.3750e-98.5304e-72.0368e-71.0678e-81.3397e-979.074
*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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