MANUAL Location - Area: Alpi Cozie , magnitude (ML): 0.1
2022-01-25 05:53:46 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2022-01-25 08:21:27

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Earthquake info - Manual location
Event - ID :220125055250
Magnitude (ML) :0.1 +/- 0.0
Origin Time :2022-01-25 05:53:46.057 (UTC)
Location : Latitude: 44.454 N, Longitude: 6.774 E
Area :Alpi Cozie
Depth (km) :6.20
Distances (km) : 14.4 --- Argentera
17.3 --- Acceglio
22.5 --- Prazzo
23.9 --- Pietraporzio
23.9 --- Bellino
24.5 --- Canosio
25.4 --- Marmora
26.8 --- Elva
27.1 --- Sambuco
27.5 --- Pontechianale
27.9 --- Casteldelfino
28.6 --- Stroppo
32.3 --- Celle di Macra
32.5 --- Macra
35.1 --- Castelmagno
35.6 --- Vinadio
35.8 --- Sampeyre
38.4 --- San Damiano Macra
38.6 --- Aisone
40.4 --- Pradleves

Quality location estimate: Erh: 1.3 km, Erz: 0.6 km, Nf: 12, Gap: 262 °, Rms: 0.16


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.
SURFFR2022-01-25 05:53:48.0500.1004-0.061.342022-01-25 05:53:49.6980.04000.031.577.5
PZZGU2022-01-25 05:53:51.9750.02000.001.652022-01-25 05:53:56.1010.0400-0.131.0328.8
ISOFR2022-01-25 05:53:53.2880.0200-0.031.592022-01-25 05:53:58.0860.0400-0.131.0537.9
STVGU2022-01-25 05:53:55.2730.02000.031.452022-01-25 05:54:01.6380.04000.140.9350.1
ENRGU2022-01-25 05:53:57.1490.02000.640.332022-01-25 05:54:04.4500.04000.780.2357.4
TURFFR2022-01-25 05:53:59.8210.02000.440.352022-01-25 05:54:09.1860.04000.450.4972.8


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
STV GUHH0.114.01e-350.1118
ENR GUHH0.166.93e-357.4116
TURF FRHH0.122.71e-372.8137


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 GUHHZ2.2360e-63.6135e-71.7923e-74.1922e-82.3828e-88.9387e-66.8992e-73.8602e-87.4221e-928.878
PZZ GUHHN2.4884e-64.7094e-71.9075e-74.9006e-83.0375e-89.4677e-66.1486e-76.4831e-89.7507e-928.878
PZZ GUHHE2.1091e-63.1489e-71.9806e-74.2200e-82.4781e-86.8700e-68.6293e-73.9790e-86.8160e-928.878
ISO FRHHZ7.3664e-71.0005e-72.5350e-89.5874e-95.9087e-91.0348e-69.4711e-88.7448e-92.0723e-937.9144
ISO FRHHN8.3390e-76.6348e-82.0157e-87.9114e-95.6682e-99.1081e-78.6432e-87.6379e-91.3946e-937.9144
ISO FRHHE8.9159e-78.8774e-82.5375e-88.3757e-95.3618e-91.1047e-61.1009e-77.4335e-91.7215e-937.9144
STV GUHHZ6.6784e-76.5684e-83.5254e-81.5746e-88.4724e-91.2108e-61.6881e-71.0092e-81.4035e-950.1118
STV GUHHN6.8833e-77.5491e-83.3975e-81.1714e-87.7447e-91.7486e-61.2338e-71.2485e-81.7303e-950.1118
STV GUHHE6.7512e-77.1468e-83.2122e-89.8770e-95.7733e-91.3405e-61.2713e-71.1023e-81.6074e-950.1118
ENR GUHHZ9.9609e-77.7864e-82.5160e-81.1911e-89.0172e-91.2935e-61.0830e-71.2194e-81.4793e-957.4116
ENR GUHHN2.2359e-62.0695e-75.0652e-81.7631e-81.2019e-83.9564e-61.9404e-72.2335e-84.1866e-957.4116
ENR GUHHE2.3868e-61.9856e-73.6363e-81.5398e-81.1575e-82.0222e-61.3949e-72.0400e-83.4759e-957.4116
TURF FRHHZ1.5242e-72.7136e-81.4883e-81.2548e-81.1187e-84.2745e-76.3875e-81.2756e-86.6966e-1072.8137
TURF FRHHN2.0215e-73.2436e-81.9401e-81.5633e-81.6044e-85.9124e-79.1789e-82.8090e-81.0369e-972.8137
TURF FRHHE1.2503e-72.4884e-81.7031e-81.2646e-81.4367e-84.6501e-77.2299e-82.4658e-81.3432e-972.8137
*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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