MANUAL Location - Area: Francia , magnitude (ML): 0.7
2020-07-05 17:07:31 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2020-07-06 09:43:19

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Earthquake info - Manual location
Event - ID :200705170712
Magnitude (ML) :0.7 +/- 0.1
Origin Time :2020-07-05 17:07:31.332 (UTC)
Location : Latitude: 44.388 N, Longitude: 6.539 E
Area :Francia
Depth (km) :18.29
Distances (km) : 31.7 --- Argentera
37.1 --- Acceglio
39.5 --- Pietraporzio
42.3 --- Prazzo
42.9 --- Sambuco
43.6 --- Bellino
43.8 --- Canosio
44.8 --- Marmora
46.8 --- Pontechianale
46.9 --- Elva
47.8 --- Casteldelfino
48.5 --- Stroppo
51.2 --- Vinadio
51.9 --- Celle di Macra
52.3 --- Macra
53.5 --- Castelmagno
54.7 --- Aisone
55.8 --- Sampeyre
58.0 --- San Damiano Macra
59.0 --- Pradleves

Quality location estimate: Erh: 2.1 km, Erz: 2.9 km, Nf: 16, Gap: 141 °, Rms: 0.11


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.
SURFFR2020-07-05 17:07:37.3100.01800.021.822020-07-05 17:07:41.4890.1735-0.001.3730.2
OGDIFR2020-07-05 17:07:37.4100.0190-2.310.002020-07-05 17:07:41.7700.2166-4.000.0043.9
OGAGFR2020-07-05 17:07:40.4160.06020.041.632020-07-05 17:07:46.4090.1002-0.181.2447.9
ISOFR2020-07-05 17:07:40.5000.0321-0.360.492020-07-05 17:07:46.2800.3347-0.960.1150.3
PZZGU2020-07-05 17:07:40.9950.0200-0.061.722020-07-05 17:07:47.6500.3457-0.160.9151.6
RRLGU2020-07-05 17:07:43.4400.0402-0.101.532020-07-05 17:07:52.2100.32070.270.7065.8
STVGU2020-07-05 17:07:43.4640.0200-0.001.662020-07-05 17:07:51.5920.04000.021.3367.3
BHBGU2020-07-05 17:07:45.2400.08030.011.502020-07-05 17:07:56.4770.16041.760.0078.2


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
ISO FRHH0.471.34e-250.3119
PZZ GUHH0.754.13e-251.674
RRL GUHH0.769.98e-365.818
STV GUHH0.891.28e-267.3104
BHB GUHH0.586.15e-378.249


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.
(°)
ISO FRHHZ2.3714e-62.4922e-71.1661e-74.5091e-81.9476e-83.5084e-64.4226e-72.8974e-84.8073e-950.3119
ISO FRHHN2.7927e-63.3572e-71.2598e-73.6375e-81.6974e-84.4745e-65.4670e-72.7400e-86.2372e-950.3119
ISO FRHHE2.6007e-62.8688e-71.0973e-73.1541e-81.4989e-84.8699e-65.6388e-72.6021e-85.0888e-950.3119
PZZ GUHHZ3.1641e-65.6713e-72.8061e-77.7028e-84.1950e-88.3996e-61.1869e-66.7310e-81.3043e-851.674
PZZ GUHHN3.6096e-65.6676e-73.1349e-71.2984e-77.0610e-81.4054e-51.1768e-67.1004e-81.2477e-851.674
PZZ GUHHE3.8001e-65.6572e-74.2890e-71.3505e-75.6734e-81.3874e-52.1526e-68.0557e-81.2508e-851.674
RRL GUHHZ8.0185e-78.7045e-85.1824e-81.8896e-89.4123e-91.3804e-64.3544e-71.6567e-82.1964e-965.818
RRL GUHHN6.3176e-71.2309e-78.6222e-83.2779e-81.5607e-81.8319e-63.7778e-72.1355e-83.1392e-965.818
RRL GUHHE7.6861e-71.1290e-77.5059e-83.1046e-81.3620e-81.8077e-63.3837e-71.7631e-82.4524e-965.818
STV GUHHZ1.1091e-61.7391e-71.1005e-73.4701e-81.8746e-82.6921e-64.3342e-73.0820e-83.8070e-967.3104
STV GUHHN1.6487e-62.4347e-71.2627e-73.7763e-81.8292e-83.8925e-66.8054e-72.7162e-85.1595e-967.3104
STV GUHHE1.1473e-61.6213e-79.5898e-83.0027e-81.4244e-82.6905e-64.7575e-72.3751e-83.6331e-967.3104
BHB GUHHZ5.9242e-71.0539e-76.1003e-81.5383e-88.1034e-92.3596e-62.8805e-71.2797e-82.3188e-978.249
BHB GUHHN6.9146e-79.0871e-85.6254e-82.2903e-89.2051e-91.5539e-62.6951e-71.4640e-82.0989e-978.249
BHB GUHHE5.6387e-78.6571e-85.0468e-81.8769e-87.5627e-91.8799e-62.3446e-71.1356e-81.9357e-978.249
*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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