MANUAL Location - Area: Alpi Pennine , magnitude (ML): 0.7
2024-09-20 04:18:07 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2024-09-20 07:16:55

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Earthquake info - Manual location
Event - ID :240920041716
Magnitude (ML) :0.7 +/- 0.2
Origin Time :2024-09-20 04:18:07.21 (UTC)
Location : Latitude: 45.880 N, Longitude: 6.970 E
Area :Alpi Pennine
Depth (km) :4.23
Distances (km) : 9.6 --- Courmayeur
12.9 --- Pre -Saint-Didier
14.5 --- Morgex
16.7 --- La Salle
17.4 --- Saint-Rhemy-En-Bosses
18.0 --- La Thuile
19.7 --- Saint-Oyen
21.1 --- Etroubles
23.0 --- Avise
23.6 --- Saint-Nicolas
24.6 --- Allein
24.8 --- Arvier
26.5 --- Ollomont
26.9 --- Introd
26.9 --- Doues
26.9 --- Villeneuve
27.5 --- Gignod
27.5 --- Saint-Pierre
28.2 --- Valpelline
28.5 --- Roisan

Quality location estimate: Erh: 1 km, Erz: 0.6 km, Nf: 15, Gap: 185 °, Rms: 0.21


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 04:18:09.2500.0040-0.011.82--:---.-----.---.-- 7.9
BLANCGU2024-09-20 04:18:09.0700.0030-0.310.822024-09-20 04:18:09.7050.0400-1.180.129.0
MRGEIV2024-09-20 04:18:10.7100.0080-0.011.822024-09-20 04:18:12.7730.1002-0.240.9715.3
REMYGU2024-09-20 04:18:11.2400.00900.071.282024-09-20 04:18:13.6470.1303-0.151.2016.6
RSLFR2024-09-20 04:18:14.1900.01700.011.692024-09-20 04:18:18.3400.1073-0.430.6434.4
DIXCH2024-09-20 04:18:15.6350.0231-0.051.492024-09-20 04:18:20.9850.2456-0.430.6940.8
LSDGU2024-09-20 04:18:16.4540.02000.031.492024-09-20 04:18:21.0700.4549-1.540.1448.9
CIROGU2024-09-20 04:18:17.7910.0200-0.380.722024-09-20 04:18:24.2870.0400-1.440.1356.1


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
BLANCGUHH1.071.30e+09.0215
MRGE IVHH0.671.70e-115.3150
REMY GUHH0.419.54e-216.6108
DIX CHHH0.915.53e-240.856
LSD GUHH0.511.56e-248.9165
CIRO GUHH0.556.93e-356.1123


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.
(°)
BLANCGUHHZ5.6714e-51.1026e-56.7405e-62.6156e-61.6539e-62.3953e-43.5067e-52.2337e-62.9610e-79.0215
BLANCGUHHN9.6661e-51.5435e-56.8299e-64.0676e-63.6218e-63.9471e-43.3837e-55.8097e-65.2423e-79.0215
BLANCGUHHE8.0229e-51.3906e-51.0202e-56.4187e-64.5619e-64.4059e-43.5454e-56.6022e-65.0758e-79.0215
MRGE IVHHZ8.3341e-61.0263e-66.3535e-75.0514e-72.1062e-71.6116e-52.6547e-62.5105e-72.7542e-815.3150
MRGE IVHHN1.6472e-51.9014e-61.1506e-69.4548e-75.0785e-71.8112e-57.5424e-66.5903e-75.2733e-815.3150
MRGE IVHHE1.4109e-51.9690e-68.4403e-73.8974e-72.8389e-71.7611e-54.4780e-64.1510e-73.3278e-815.3150
REMY GUHHZ3.5885e-65.2812e-73.4483e-71.9989e-79.9356e-86.4381e-61.9774e-61.2721e-71.1915e-816.6108
REMY GUHHN3.2828e-65.9066e-75.0058e-76.4075e-73.4921e-71.0947e-51.6575e-64.2191e-72.5612e-816.6108
REMY GUHHE4.2640e-66.9305e-74.5818e-73.9492e-73.4695e-71.0697e-52.1471e-63.5988e-72.7611e-816.6108
DIX CHHHZ2.3152e-64.5717e-74.1908e-71.8861e-76.6197e-86.6975e-61.7573e-61.0036e-71.2803e-840.856
DIX CHHHN2.3985e-64.4129e-74.0425e-71.6131e-77.2218e-88.1089e-62.1017e-61.0485e-71.2349e-840.856
DIX CHHHE3.3291e-67.2947e-75.5697e-72.2642e-79.8193e-88.5499e-62.5313e-61.4358e-71.9878e-840.856
LSD GUHHZ6.2390e-71.1586e-79.4867e-86.1291e-82.0126e-81.4559e-64.9162e-72.3586e-83.6263e-948.9165
LSD GUHHN9.3645e-71.3040e-79.0566e-83.7535e-81.5711e-82.3884e-65.1354e-72.0939e-82.9907e-948.9165
LSD GUHHE1.0913e-61.9826e-71.5241e-74.4279e-81.9360e-82.4211e-67.1312e-72.9383e-84.9856e-948.9165
CIRO GUHHZ4.3291e-76.6601e-85.1315e-82.9556e-81.1500e-81.0658e-62.3857e-71.5099e-81.8699e-956.1123
CIRO GUHHN5.9915e-78.3350e-86.2613e-83.7370e-81.5463e-81.1839e-62.3109e-72.0762e-82.3932e-956.1123
CIRO GUHHE4.4894e-76.9703e-86.0997e-83.6455e-81.3241e-81.0564e-62.9062e-71.8967e-81.8042e-956.1123
*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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