MANUAL Location - Area: Alpi Pennine , magnitude (ML): 0.5
2024-09-20 04:32:22 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2024-09-20 07:18:46

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Earthquake info - Manual location
Event - ID :240920043041
Magnitude (ML) :0.5 +/- 0.2
Origin Time :2024-09-20 04:32:22.603 (UTC)
Location : Latitude: 45.893 N, Longitude: 6.943 E
Area :Alpi Pennine
Depth (km) :4.04
Distances (km) : 11.3 --- Courmayeur
14.7 --- Pre -Saint-Didier
16.6 --- Morgex
19.0 --- La Salle
19.4 --- La Thuile
19.8 --- Saint-Rhemy-En-Bosses
22.1 --- Saint-Oyen
23.5 --- Etroubles
25.4 --- Avise
26.0 --- Saint-Nicolas
27.0 --- Allein
27.2 --- Arvier
28.7 --- Ollomont
29.3 --- Doues
29.3 --- Introd
29.4 --- Villeneuve
29.9 --- Gignod
30.0 --- Saint-Pierre
30.5 --- Valpelline
30.5 --- Valgrisenche

Quality location estimate: Erh: 1.3 km, Erz: 0.8 km, Nf: 16, Gap: 161 °, Rms: 0.18


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.
BLANCGU2024-09-20 04:32:24.8800.00500.002.132024-09-20 04:32:25.4100.1123-1.050.109.2
COURMFR2024-09-20 04:32:25.0300.00600.022.062024-09-20 04:32:25.8900.0330-0.690.289.9
MRGEIV2024-09-20 04:32:26.4700.0100-0.081.512024-09-20 04:32:28.5940.0400-0.540.3617.4
REMYGU2024-09-20 04:32:26.9900.0110-0.012.142024-09-20 04:32:30.0170.30670.110.9418.7
RSLFR2024-09-20 04:32:29.9900.01700.530.072024-09-20 04:32:33.6410.2286-0.330.7733.8
DIXCH2024-09-20 04:32:31.5610.02000.260.362024-09-20 04:32:36.7680.2126-0.370.7141.7
LSDGU2024-09-20 04:32:32.2400.02000.061.552024-09-20 04:32:37.3500.3237-1.250.1550.8
SENINCH2024-09-20 04:32:34.2200.0200-0.031.642024-09-20 04:32:42.2400.0400-0.051.2459.4


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
BLANCGUHH0.483.22e-19.2188
COURMFRHH0.866.71e-19.9169
MRGE IVHH0.194.54e-217.4146
DIX CHHH0.592.54e-241.759
SENINCHHH0.489.70e-359.428


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.
(°)
BLANCGUHHZ2.8503e-54.7487e-61.9198e-66.0177e-73.4921e-78.0402e-56.4892e-64.8622e-79.0810e-89.2188
BLANCGUHHN3.3814e-55.0718e-61.9581e-61.1451e-68.6005e-79.9233e-57.9243e-61.3708e-61.5905e-79.2188
BLANCGUHHE2.6313e-54.0938e-62.5310e-61.7299e-61.4257e-61.3150e-49.9546e-61.8377e-61.2869e-79.2188
COURMFRHHZ4.5383e-56.6388e-63.6809e-61.4037e-67.3173e-71.0442e-41.7094e-51.1514e-61.8803e-79.9169
COURMFRHHN5.0759e-57.1477e-65.8003e-62.8454e-61.4636e-61.9074e-42.2522e-52.1827e-62.1115e-79.9169
COURMFRHHE6.3334e-51.0226e-54.9521e-61.9967e-68.1271e-71.7196e-42.2300e-51.1871e-62.4028e-79.9169
MRGE IVHHZ6.1378e-65.8884e-71.8805e-71.0435e-73.7808e-83.8745e-61.3772e-64.8907e-87.9018e-917.4146
MRGE IVHHN6.0785e-66.4804e-73.0443e-71.9035e-78.3801e-89.7925e-62.0694e-61.1874e-71.4911e-817.4146
MRGE IVHHE6.4580e-66.3981e-73.2075e-71.5105e-71.4097e-71.0131e-52.4881e-62.3110e-71.7147e-817.4146
REMY GUHHZ1.7188e-62.2796e-71.2629e-77.8729e-83.1985e-83.4399e-67.9973e-74.4599e-84.7919e-918.7110
REMY GUHHN1.5665e-62.5722e-71.7462e-72.0045e-78.8903e-84.3309e-66.1453e-71.0412e-78.7737e-918.7110
REMY GUHHE2.3077e-63.0632e-71.5434e-71.0300e-74.7276e-84.0652e-67.1479e-74.2784e-86.1268e-918.7110
DIX CHHHZ1.3534e-62.5335e-71.8648e-77.2114e-82.9463e-83.9558e-67.1953e-74.2189e-86.0988e-941.759
DIX CHHHN1.6365e-62.7621e-72.1043e-77.4943e-83.3918e-86.3669e-61.0360e-64.9081e-88.6266e-941.759
DIX CHHHE1.9773e-63.5660e-72.2523e-77.7074e-83.9569e-86.3630e-67.1336e-75.6240e-89.9839e-941.759
LSD GUHHZ3.6911e-74.3886e-83.5958e-81.8570e-87.2512e-96.8206e-71.2375e-71.1166e-81.3245e-950.8163
LSD GUHHN3.8245e-75.2670e-83.0066e-81.1700e-86.9093e-99.8784e-71.8722e-79.1271e-91.1195e-950.8163
LSD GUHHE4.5188e-78.3836e-85.5834e-81.9309e-88.0781e-91.1548e-63.0273e-71.2110e-81.8135e-950.8163
SENINCHHHZ4.3335e-79.5607e-88.0191e-83.3785e-82.0047e-81.6207e-63.5717e-72.9191e-82.3015e-959.428
SENINCHHHN4.4880e-79.2380e-87.4793e-83.3713e-81.7664e-81.3913e-65.9645e-72.3772e-82.6094e-959.428
SENINCHHHE5.3259e-71.1387e-79.1813e-83.6299e-81.8353e-81.4158e-65.6069e-72.4271e-82.5848e-959.428
*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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