MANUAL Location - Area: Alpi Cozie , magnitude (ML): 0.4
2021-03-03 09:34:15 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2021-03-03 10:12:50

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Earthquake info - Manual location
Event - ID :210303093329
Magnitude (ML) :0.4 +/- 0.2
Origin Time :2021-03-03 09:34:15.454 (UTC)
Location : Latitude: 44.393 N, Longitude: 7.148 E
Area :Alpi Cozie
Depth (km) :5.05
Distances (km) : 5.5 --- Castelmagno
8.3 --- Sambuco
8.5 --- Marmora
8.8 --- Canosio
9.5 --- Vinadio
10.4 --- Celle di Macra
10.4 --- Aisone
10.6 --- Pietraporzio
11.0 --- Pradleves
12.3 --- Macra
12.5 --- Prazzo
12.8 --- Stroppo
13.7 --- San Damiano Macra
14.0 --- Monterosso Grana
14.6 --- Cartignano
14.6 --- Demonte
15.6 --- Acceglio
16.7 --- Argentera
17.1 --- Elva
18.1 --- Roccabruna

Quality location estimate: Erh: 0.8 km, Erz: 1.1 km, Nf: 16, Gap: 118 °, Rms: 0.21


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.
PZZGU2021-03-03 09:34:18.8400.01300.001.462021-03-03 09:34:20.9300.0541-0.350.8714.4
STVGU2021-03-03 09:34:19.8200.0170-0.001.472021-03-03 09:34:22.2000.0722-0.600.4022.5
ISOFR2021-03-03 09:34:20.3800.02000.001.472021-03-03 09:34:23.3960.1063-0.281.1125.2
SURFFR2021-03-03 09:34:21.0500.0200-0.181.172021-03-03 09:34:25.2100.0932-0.231.2128.8
ENRGU2021-03-03 09:34:20.7250.0200-0.201.152021-03-03 09:34:24.2560.0902-0.410.8328.8
SAOFFR2021-03-03 09:34:26.0430.02000.061.042021-03-03 09:34:32.3540.0400-0.950.1255.9
GBOSGU2021-03-03 09:34:25.8570.0200-0.081.382021-03-03 09:34:32.5990.1002-0.440.8257.9
RRLGU2021-03-03 09:34:27.5830.02000.061.022021-03-03 09:34:35.4350.1002-0.650.4865.5


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
STV GUHH0.464.16e-222.5139
ISO FRHH0.122.26e-225.2199
ENR GUHH0.516.02e-228.8130
SAOF FRHH0.348.01e-355.9144
GBOS GUHH0.688.33e-357.9107
RRL GUHH0.273.24e-365.5334


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.
(°)
PZZ GUHHZ7.1731e-67.6531e-73.5403e-71.0877e-75.1307e-81.1778e-51.7759e-67.6779e-81.6413e-814.4349
PZZ GUHHN1.1246e-51.1590e-65.5667e-72.2105e-71.2499e-71.5882e-52.4678e-61.9931e-73.2973e-814.4349
PZZ GUHHE5.8346e-67.9109e-73.5043e-79.8299e-85.8706e-81.1393e-51.3154e-68.9008e-81.5719e-814.4349
STV GUHHZ6.6427e-68.9459e-73.5344e-78.9597e-84.7581e-86.9410e-61.4857e-67.2180e-81.7299e-822.5139
STV GUHHN1.0742e-51.1303e-62.2815e-75.6794e-83.3707e-81.0549e-59.2037e-77.9608e-82.3178e-822.5139
STV GUHHE1.0599e-51.2989e-63.1438e-78.1480e-84.8723e-81.2446e-59.4983e-78.5425e-82.1404e-822.5139
ISO FRHHZ2.9471e-63.6640e-71.0796e-73.8149e-81.9802e-83.7736e-65.0711e-72.8587e-87.3717e-925.2199
ISO FRHHN3.3668e-63.4406e-71.0005e-73.0265e-81.7564e-83.1907e-64.3569e-73.2826e-86.3998e-925.2199
ISO FRHHE3.9819e-63.9438e-71.6307e-75.0489e-82.8950e-85.9318e-68.1159e-74.3681e-88.8745e-925.2199
ENR GUHHZ8.7840e-68.2000e-71.3922e-73.4503e-82.1769e-81.2092e-54.5088e-75.5011e-81.4032e-828.8130
ENR GUHHN2.3766e-51.9494e-63.3492e-79.3872e-85.2031e-81.4401e-52.0134e-61.1917e-73.5571e-828.8130
ENR GUHHE2.4908e-52.2867e-63.2691e-71.0317e-75.9385e-81.6724e-51.4747e-61.4466e-73.9925e-828.8130
SAOF FRHHZ3.4922e-76.5523e-86.4077e-82.8969e-81.1289e-81.0702e-63.9512e-71.5519e-82.3165e-955.9144
SAOF FRHHN5.2230e-77.2145e-84.7821e-82.0536e-81.0749e-89.9045e-72.5796e-71.8933e-81.5632e-955.9144
SAOF FRHHE4.8707e-71.1300e-76.2134e-82.2698e-81.3326e-81.4386e-64.0426e-71.9872e-82.6552e-955.9144
GBOS GUHHZ6.2983e-71.2087e-75.2060e-81.8976e-89.0376e-92.3754e-62.3682e-71.5873e-82.4503e-957.9107
GBOS GUHHN6.8021e-79.5587e-86.2050e-82.1778e-81.1505e-81.8476e-62.8451e-71.3940e-82.3852e-957.9107
GBOS GUHHE6.6174e-71.0416e-77.7286e-82.5706e-81.1125e-82.5688e-63.7343e-71.4770e-82.3796e-957.9107
RRL GUHHZ2.7286e-73.7449e-82.0039e-88.4001e-95.4938e-95.9163e-71.0146e-71.0304e-89.0135e-1065.5334
RRL GUHHN3.4760e-75.0394e-83.2592e-81.2869e-87.4749e-98.9531e-71.3519e-71.1779e-81.2269e-965.5334
RRL GUHHE4.3180e-76.4027e-82.9022e-81.1896e-86.6106e-91.0407e-61.0603e-71.0268e-81.4205e-965.5334
*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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