AUTOMATIC Location - Area: Alpi Marittime , magnitude (ML): 0.5
2021-04-17 06:36:16 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2021-04-17 06:40:25

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Earthquake info - RsniPicker2 automatic location
Event - ID :210417063543
Magnitude (ML) :0.5 +/- 0.1
Origin Time :2021-04-17 06:36:16.48 (UTC)
Location : Latitude: 44.158 N, Longitude: 7.953 E
Area :Alpi Marittime
Depth (km) :3.60
Distances (km) : 3.1 --- Ormea (CN)
4.6 --- Caprauna (CN)
6.8 --- Alto (CN)
7.6 --- Garessio (CN)
8.1 --- Nasino (SV)
8.4 --- Armo (IM)
9.1 --- Aquila di Arroscia (IM)
10.8 --- Castelbianco (SV)
11.2 --- Priola (CN)
11.2 --- Borghetto d Arroscia (IM)
11.8 --- Ranzo (IM)
11.8 --- Pornassio (IM)
12.3 --- Vessalico (IM)
12.3 --- Erli (SV)
12.5 --- Onzo (SV)
12.6 --- Pieve di Teco (IM)
13.0 --- Vendone (SV)
13.1 --- Cosio di Arroscia (IM)
13.4 --- Castelvecchio di Rocca Barbena (SV)
13.6 --- Pamparato (CN)

Quality location estimate:
Erh: 5.3 km, Erz: 1.5 km, Nf: 7, Gap: 128°, Rms: 0.06 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.
ROROGU2021-04-17 06:36:18.9300.0040-0.031.442021-04-17 06:36:20.7090.03300.031.5311.0
CANOGU--:---.-----.---.--2021-04-17 06:36:25.2500.07110.051.3023.6
QLNOGU--:---.-----.---.--2021-04-17 06:36:28.8300.2132-0.240.5336.5
ENRGU--:---.-----.---.--2021-04-17 06:36:30.0900.13120.080.9743.5
PCPGU2021-04-17 06:36:29.4500.03501.870.00--:---.-----.---.-- 63.6
MONFR2021-04-17 06:36:28.4590.02900.061.22--:---.-----.---.-- 63.7


RsniPicker2 - Automatic magnitude (ML) calculation results
Station Net Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth Used
RORO GU0.603.33e-111.0119SI
CANO GU0.405.51e-223.676SI
QLNO GU0.402.11e-236.559SI
ENR GU0.502.44e-243.5281SI
PCP GU0.501.05e-263.648SI


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.
(°)
RORO GUHHZ9.5670e-57.8733e-60.0000e+01.4647e-62.8690e-64.2891e-64.2735e-53.1941e-62.6009e-76.9289e-811.0119
RORO GUHHN1.1169e-49.5178e-60.0000e+01.9460e-63.8345e-63.8345e-64.2742e-53.8521e-64.3853e-79.8186e-811.0119
RORO GUHHE9.3779e-57.3928e-60.0000e+02.1736e-64.0449e-65.8817e-64.4472e-54.4488e-63.5143e-79.1755e-811.0119
CANO GUHHZ6.3195e-66.1093e-70.0000e+03.2462e-76.2190e-71.0394e-66.4809e-68.2291e-74.6959e-72.1791e-823.676
CANO GUHHN8.4072e-69.9510e-70.0000e+05.7590e-71.0503e-61.0503e-62.0168e-51.3081e-61.4701e-72.6141e-823.676
CANO GUHHE6.1164e-68.3069e-70.0000e+04.6209e-79.0362e-71.4945e-62.1858e-51.7780e-67.6075e-73.1649e-823.676
QLNO GUHHZ1.9161e-63.3766e-70.0000e+01.4030e-72.9019e-74.7230e-77.5973e-65.1516e-71.3937e-71.6054e-836.559
QLNO GUHHN1.7055e-62.2242e-70.0000e+01.3272e-72.7395e-72.7395e-73.6129e-65.2292e-71.2032e-71.1073e-836.559
QLNO GUHHE2.6854e-63.4773e-70.0000e+01.8029e-73.4613e-75.3184e-76.1060e-69.0960e-71.3645e-71.4311e-836.559
ENR GUHHZ3.3511e-62.1441e-70.0000e+01.3884e-72.5865e-73.7375e-72.8501e-64.3184e-77.9935e-89.7043e-943.5281
ENR GUHHN7.2674e-67.0997e-70.0000e+02.9157e-75.6161e-75.6161e-77.7379e-64.3314e-79.9919e-81.7012e-843.5281
ENR GUHHE9.5261e-68.1068e-70.0000e+03.1681e-76.7039e-71.0081e-67.0196e-64.1984e-77.4929e-81.6220e-843.5281
PCP GUHHZ8.4298e-71.7504e-70.0000e+05.5087e-81.2629e-72.2206e-71.6890e-61.1894e-71.1784e-71.8029e-863.648
PCP GUHHN5.9695e-71.0329e-70.0000e+05.6508e-81.2815e-71.2815e-71.3012e-62.5035e-71.1428e-71.0383e-863.648
PCP GUHHE7.3590e-71.0131e-70.0000e+06.0981e-81.2978e-72.0913e-71.8477e-61.8113e-71.1154e-71.1362e-863.648
*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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