MANUAL Location - Area: Alpi Pennine , magnitude (ML): 0.1
2024-09-18 14:00:31 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2024-09-19 06:44:10

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Earthquake info - Manual location
Event - ID :240918140007
Magnitude (ML) :0.1 +/- 0.0
Origin Time :2024-09-18 14:00:31.582 (UTC)
Location : Latitude: 45.855 N, Longitude: 6.977 E
Area :Alpi Pennine
Depth (km) :0.73
Distances (km) : 6.9 --- Courmayeur
10.1 --- Pre -Saint-Didier
11.7 --- Morgex
14.1 --- La Salle
15.4 --- La Thuile
16.1 --- Saint-Rhemy-En-Bosses
18.5 --- Saint-Oyen
19.9 --- Etroubles
20.5 --- Avise
21.2 --- Saint-Nicolas
22.3 --- Arvier
23.3 --- Allein
24.4 --- Introd
24.6 --- Villeneuve
25.3 --- Saint-Pierre
25.7 --- Ollomont
25.8 --- Valgrisenche
25.8 --- Doues
26.0 --- Gignod
26.1 --- Rhemes-Saint-Georges

Quality location estimate: Erh: 0.8 km, Erz: 0.6 km, Nf: 10, Gap: 207 °, Rms: 0.07


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.
COURMFR2024-09-18 14:00:32.9520.02000.150.742024-09-18 14:00:33.5900.0400-0.061.444.6
BLANCGU2024-09-18 14:00:33.0330.02000.001.782024-09-18 14:00:33.7160.0400-0.400.005.4
MRGEIV2024-09-18 14:00:34.5590.02000.081.392024-09-18 14:00:36.3730.04000.001.7711.8
REMYGU2024-09-18 14:00:35.1930.0200-0.081.182024-09-18 14:00:37.7030.04000.041.7114.4
LSDGU2024-09-18 14:00:39.8600.0200-0.890.002024-09-18 14:00:45.0590.0400-1.630.0045.7


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
COURMFRHH0.114.48e-14.6195
BLANCGUHH0.103.36e-15.4250
LSD GUHH0.178.06e-345.7164


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.
(°)
COURMFRHHZ7.0544e-59.3111e-63.2041e-68.2352e-74.2886e-71.1907e-41.1988e-57.6928e-72.0163e-74.6195
COURMFRHHN9.2852e-59.3151e-64.2051e-61.0103e-65.4910e-71.1754e-41.7709e-58.7123e-71.9401e-74.6195
COURMFRHHE7.7929e-58.0096e-62.7370e-66.6336e-73.5652e-71.3260e-41.0028e-57.0625e-71.6442e-74.6195
BLANCGUHHZ3.0044e-53.8854e-61.5816e-64.6470e-72.7299e-75.9961e-57.7084e-64.1784e-78.3955e-85.4250
BLANCGUHHN4.9303e-55.8469e-61.4303e-65.0243e-72.7811e-76.1937e-54.3667e-64.9447e-79.4937e-85.4250
BLANCGUHHE3.9610e-56.6734e-62.5578e-68.6917e-74.7137e-71.0095e-41.0103e-57.4722e-71.4683e-75.4250
MRGE IVHHZ2.8385e-62.8265e-71.7305e-74.9468e-82.8316e-84.0610e-69.0194e-74.1045e-87.4209e-911.8146
MRGE IVHHN4.7524e-66.2040e-71.8600e-78.6966e-84.0111e-88.8783e-67.2089e-76.1999e-81.3183e-811.8146
MRGE IVHHE4.2815e-64.5396e-71.6985e-76.9092e-83.0158e-89.3829e-66.5160e-74.8785e-81.0345e-811.8146
REMY GUHHZ1.1850e-61.2264e-76.4283e-82.7005e-81.4456e-81.8861e-62.9813e-71.6949e-82.4361e-914.498
REMY GUHHN1.4642e-61.9041e-71.0185e-75.9696e-82.6694e-83.2707e-65.1273e-73.9035e-84.9774e-914.498
REMY GUHHE1.2096e-61.5461e-79.6307e-83.6469e-82.3785e-82.6896e-64.0297e-73.0239e-83.4166e-914.498
LSD GUHHZ3.0297e-74.5592e-83.4304e-81.6782e-87.3869e-98.7376e-71.4840e-79.2726e-91.3833e-945.7164
LSD GUHHN4.0335e-76.2531e-83.6885e-81.3270e-87.1929e-91.0507e-61.6018e-79.5284e-91.2976e-945.7164
LSD GUHHE6.7790e-71.1479e-76.8043e-82.1109e-81.0350e-81.5765e-64.0011e-71.3427e-82.5603e-945.7164
*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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