MANUAL Location - Area: Francia , magnitude (ML): 0.9
2021-04-10 23:23:04 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2021-04-12 08:35:27

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Earthquake info - Manual location
Event - ID :210410232204
Magnitude (ML) :0.9 +/- 0.1
Origin Time :2021-04-10 23:23:04.496 (UTC)
Location : Latitude: 45.348 N, Longitude: 6.275 E
Area :Francia
Depth (km) :6.01
Distances (km) : 44.9 --- Bardonecchia
56.0 --- Oulx
56.7 --- Salbertrand
57.6 --- Moncenisio
58.0 --- Sauze d Oulx
58.3 --- Exilles
58.7 --- Claviere
59.8 --- Cesana Torinese
60.5 --- Novalesa
61.2 --- Chiomonte
61.2 --- Venaus
62.3 --- Giaglione
63.5 --- Gravere
63.6 --- Mompantero
64.0 --- Pragelato
64.2 --- Sestriere
64.5 --- Sauze di Cesana
65.1 --- Susa
66.6 --- La Thuile
67.0 --- Meana di Susa

Quality location estimate: Erh: 1.8 km, Erz: 2.7 km, Nf: 18, Gap: 234 °, Rms: 0.32


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.
OGMOFR2021-04-10 23:23:11.9060.02000.600.282021-04-10 23:23:16.0790.0400-0.011.8536.0
RSLFR2021-04-10 23:23:13.3780.0200-0.011.942021-04-10 23:23:18.6500.0400-0.760.4147.0
RRLGU2021-04-10 23:23:16.1650.02000.011.882021-04-10 23:23:23.6320.0400-0.840.4562.8
OGAGFR2021-04-10 23:23:16.5840.0200-0.051.772021-04-10 23:23:23.9990.0400-1.470.2266.1
MRGEIV2021-04-10 23:23:18.4330.0200-0.240.932021-04-10 23:23:28.0780.0400-0.221.1377.4
RSPGU2021-04-10 23:23:19.2660.02000.181.432021-04-10 23:23:28.4140.0400-0.930.4580.9
REMYGU2021-04-10 23:23:20.6090.02000.061.722021-04-10 23:23:32.0520.04000.560.6087.9
BHBGU2021-04-10 23:23:21.9130.02000.201.352021-04-10 23:23:32.4500.0400-1.330.3296.4
CIROGU2021-04-10 23:23:23.8760.02000.251.212021-04-10 23:23:34.4160.0400-2.130.05105.0
SENINCH2021-04-10 23:23:30.9790.02001.860.002021-04-10 23:23:47.7970.04001.590.00138.1


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
RRL GUHH1.152.70e-262.8139
MRGE IVHH0.881.17e-277.452
RSP GUHH0.749.60e-380.9106
REMY GUHH0.778.03e-387.951
BHB GUHH0.725.23e-396.4126
CIRO GUHH0.883.59e-3105.074


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.
(°)
RRL GUHHZ4.3594e-71.0292e-79.1431e-85.8274e-81.9499e-81.3297e-65.9587e-72.9837e-83.2108e-962.8139
RRL GUHHN5.7299e-71.6548e-71.7648e-78.7073e-83.1003e-82.2903e-69.3305e-74.1735e-85.5778e-962.8139
RRL GUHHE8.2134e-72.9746e-72.2522e-79.9369e-84.0198e-81.8751e-62.0461e-65.6703e-89.0358e-962.8139
MRGE IVHHZ9.0482e-79.7966e-85.5213e-82.9728e-81.1796e-81.2146e-63.5509e-71.4356e-82.5336e-977.452
MRGE IVHHN1.8255e-61.8716e-75.8920e-82.9856e-81.6597e-82.8571e-62.3534e-72.5486e-84.0663e-977.452
MRGE IVHHE1.4843e-61.5051e-76.3301e-85.4954e-85.2761e-82.5107e-63.1487e-77.5522e-81.1005e-877.452
RSP GUHHZ1.1729e-61.8538e-74.8957e-82.0928e-88.9840e-91.5680e-61.9900e-71.3228e-82.3518e-980.9106
RSP GUHHN7.5669e-71.3903e-78.3254e-82.6306e-81.5477e-81.7630e-63.1335e-72.4666e-82.8501e-980.9106
RSP GUHHE7.2256e-71.4315e-79.9653e-82.2214e-81.4883e-82.8210e-64.9307e-72.3498e-83.7138e-980.9106
REMY GUHHZ3.9417e-77.1722e-85.2173e-82.4100e-81.0872e-89.7853e-73.0550e-71.5509e-82.1649e-987.951
REMY GUHHN5.1258e-71.0155e-77.4235e-85.1516e-82.6545e-81.6323e-63.7457e-73.2822e-83.2826e-987.951
REMY GUHHE3.2946e-77.0391e-85.8143e-83.4585e-81.5466e-81.2361e-63.9529e-72.2581e-82.2528e-987.951
BHB GUHHZ3.6911e-76.2133e-85.0025e-82.5207e-81.9791e-81.4247e-62.4013e-74.1205e-81.9537e-996.4126
BHB GUHHN3.5206e-76.5569e-85.3365e-82.4826e-81.8670e-81.3960e-62.3589e-73.5854e-82.2945e-996.4126
BHB GUHHE3.5267e-74.5244e-83.4476e-81.9042e-81.5936e-89.0649e-71.7127e-73.0108e-81.7229e-996.4126
CIRO GUHHZ1.8823e-72.6496e-82.5592e-81.1455e-85.3465e-93.4549e-71.3176e-76.8794e-98.4302e-10105.074
CIRO GUHHN1.8122e-74.4327e-83.0885e-81.3519e-86.9693e-95.2396e-72.3812e-78.7641e-91.3349e-9105.074
CIRO GUHHE1.8898e-73.2327e-82.1151e-81.0866e-87.1867e-95.3759e-71.5466e-71.1725e-89.3456e-10105.074
SENINCHHHZ7.0842e-71.0885e-76.5333e-83.4969e-82.3021e-81.6519e-63.3005e-72.7916e-82.6962e-9138.135
SENINCHHHN3.7781e-77.9008e-86.0117e-83.5831e-82.2055e-87.8943e-74.8104e-72.6886e-83.0408e-9138.135
SENINCHHHE4.9216e-71.1643e-77.0585e-84.7978e-85.7741e-81.5373e-63.9941e-71.0600e-72.7401e-8138.135
*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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