AUTOMATIC Location - Area: Alpi Graie , magnitude (ML): 0.4
2024-07-31 16:12:40 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2024-07-31 16:16:11

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Earthquake info - RsniPicker2 automatic location
Event - ID :240731161107
Magnitude (ML) :0.4 +/- 0.2
Origin Time :2024-07-31 16:12:40.72 (UTC)
Location : Latitude: 45.114 N, Longitude: 6.814 E
Area :Alpi Graie
Depth (km) :5.35
Distances (km) : 7.3 --- Salbertrand (TO)
9.1 --- Oulx (TO)
9.4 --- Exilles (TO)
9.6 --- Bardonecchia (TO)
10.3 --- Sauze d Oulx (TO)
13.7 --- Chiomonte (TO)
15.0 --- Pragelato (TO)
16.1 --- Giaglione (TO)
16.2 --- Venaus (TO)
16.4 --- Gravere (TO)
16.8 --- Moncenisio (TO)
18.0 --- Cesana Torinese (TO)
18.0 --- Novalesa (TO)
18.1 --- Mompantero (TO)
18.1 --- Sestriere (TO)
18.4 --- Usseaux (TO)
19.0 --- Susa (TO)
19.7 --- Sauze di Cesana (TO)
20.0 --- Claviere (TO)
20.2 --- Meana di Susa (TO)

Quality location estimate:
Erh: 1.6 km, Erz: 3.2 km, Nf: 9, Gap: 130°, Rms: 0.275 s
Stazioni validate: 5


RsniPicker2 - Automatic location results
Station Net P arrival times P pick
err
P pick
weight
P res Nll
weight
S arrival time S pick
err
S pick
weight
S res Nll
weight
Dist.
OGMOFR2024-07-31 16:12:44.1500.01100.011.412024-07-31 16:12:45.9300.0470-0.510.9615.5
RRLGU2024-07-31 16:12:45.3800.0140-0.011.422024-07-31 16:12:48.2350.5053-0.330.6922.2
LSDGU2024-07-31 16:12:49.0200.0250-0.460.982024-07-31 16:12:55.0600.1392-0.340.9046.2
BHBGU2024-07-31 16:12:49.7000.02600.001.212024-07-31 16:12:55.1390.2842-0.670.5947.4
PZZGU--:---.-----.---.--2024-07-31 16:13:02.4340.2202-0.410.8571.9


RsniPicker2 - Automatic magnitude (ML) calculation results
Station Net Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth Used
RRL GU0.202.15e-222.2185SI
LSD GU0.601.90e-246.233SI
BHB GU0.401.12e-247.4131SI
PZZ GU0.701.69e-271.9160SI


Results of PGA, PGV, IH, spectral amplitudes (SA) values calculation
Station Net Channel PGA
(g)
PGV
(m/s)
PGD
(m)
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.
(°)
RRL GUHHZ1.3604e-61.6379e-70.0000e+01.0465e-71.9302e-72.7675e-73.6179e-64.9164e-75.9166e-84.9543e-922.2185
RRL GUHHN1.3697e-62.1867e-70.0000e+01.8976e-73.4976e-73.4976e-74.8722e-61.1078e-66.9779e-81.1011e-822.2185
RRL GUHHE8.4573e-72.3632e-70.0000e+01.7042e-72.8230e-73.8569e-72.6683e-66.8422e-76.1132e-87.8338e-922.2185
LSD GUHHZ2.3345e-62.8187e-70.0000e+01.8196e-73.1725e-74.4481e-76.0776e-66.9732e-72.6097e-85.9310e-946.233
LSD GUHHN2.8186e-63.3804e-70.0000e+02.1739e-73.8744e-73.8744e-77.2211e-66.3796e-74.0999e-87.4118e-946.233
LSD GUHHE3.3014e-63.4575e-70.0000e+02.2279e-73.9227e-75.5335e-74.0701e-68.1587e-73.8694e-87.4206e-946.233
BHB GUHHZ1.1172e-61.3713e-70.0000e+09.7625e-81.9785e-73.0461e-74.2673e-63.1416e-71.8282e-75.3457e-947.4131
BHB GUHHN9.9744e-71.4452e-70.0000e+01.0677e-72.0640e-72.0640e-75.0511e-63.3558e-71.0890e-75.0088e-947.4131
BHB GUHHE8.0711e-71.1808e-70.0000e+08.4552e-81.6061e-72.4468e-72.4411e-63.9641e-71.3193e-74.6959e-947.4131
PZZ GUHHZ9.2159e-71.9302e-70.0000e+01.5217e-72.5343e-73.5406e-72.8452e-66.4019e-74.1496e-84.9855e-971.9160
PZZ GUHHN7.8668e-71.7776e-70.0000e+01.6741e-72.7369e-72.7369e-72.0652e-65.9429e-77.6768e-85.4751e-971.9160
PZZ GUHHE1.2304e-62.0894e-70.0000e+01.9386e-73.2813e-74.4474e-72.5543e-67.4388e-76.5547e-85.2791e-971.9160
*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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