MANUAL Location - Area: Alpi Cozie , magnitude (ML): 0.2
2024-12-30 07:42:20 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2024-12-30 10:05:30

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Earthquake info - Manual location
Event - ID :241230074150
Magnitude (ML) :0.2 +/- 0.2
Origin Time :2024-12-30 07:42:20.362 (UTC)
Location : Latitude: 44.555 N, Longitude: 6.871 E
Area :Alpi Cozie
Depth (km) :5.02
Distances (km) : 11.9 --- Bellino
12.9 --- Acceglio
14.6 --- Pontechianale
16.2 --- Casteldelfino
16.6 --- Prazzo
17.4 --- Elva
18.3 --- Argentera
20.0 --- Canosio
20.6 --- Marmora
20.9 --- Stroppo
25.1 --- Macra
25.4 --- Sampeyre
25.7 --- Celle di Macra
26.7 --- Pietraporzio
27.9 --- Crissolo
28.7 --- Oncino
28.9 --- Sambuco
29.5 --- Ostana
31.3 --- San Damiano Macra
31.5 --- Castelmagno

Quality location estimate: Erh: 1.1 km, Erz: 1 km, Nf: 16, Gap: 105 °, Rms: 0.23


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.
SURFFR2024-12-30 07:42:22.0800.0050-0.840.202024-12-30 07:42:22.9640.0180-1.880.0010.7
PZZGU2024-12-30 07:42:24.8400.0120-0.011.872024-12-30 07:42:27.6900.0581-0.440.3721.2
OGAGFR2024-12-30 07:42:26.8590.0200-0.670.202024-12-30 07:42:32.6280.04000.021.7237.4
RRLGU2024-12-30 07:42:28.6930.02000.230.952024-12-30 07:42:34.2000.04000.031.6641.8
ISOFR2024-12-30 07:42:28.3350.0200-0.350.382024-12-30 07:42:32.9870.0400-1.410.0644.0
BHBGU2024-12-30 07:42:28.7210.02000.011.892024-12-30 07:42:34.6520.04000.081.6144.3
ENRGU2024-12-30 07:42:30.7110.02000.121.652024-12-30 07:42:37.7830.04000.031.5156.9
TURFFR2024-12-30 07:42:34.4280.0200-0.001.632024-12-30 07:42:43.3760.1002-1.000.2976.8


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
PZZ GUHH0.277.49e-221.2105
OGAG FRHH-0.057.31e-337.4315
RRL GUHH0.186.78e-341.8351
ISO FRHH0.097.24e-344.0161
BHB GUHH0.005.37e-344.345
ENR GUHH0.481.45e-256.9130
TURF FRHH0.152.59e-376.8147


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 GUHHZ6.2809e-67.9084e-74.2876e-71.1944e-75.8806e-81.8541e-52.3682e-69.5623e-82.0029e-821.2105
PZZ GUHHN7.6553e-61.1013e-66.0035e-71.5011e-77.7928e-82.9235e-53.4148e-61.2342e-72.3297e-821.2105
PZZ GUHHE5.0906e-69.6827e-76.0538e-71.9385e-79.8378e-81.2931e-54.8688e-61.4745e-72.6165e-821.2105
OGAG FRHHZ2.2542e-76.6611e-85.1760e-82.4993e-81.1479e-88.0217e-73.0508e-71.5432e-82.0393e-937.4315
OGAG FRHHN2.0551e-74.5249e-83.9509e-81.7192e-88.0298e-95.9341e-71.4075e-79.7194e-91.3443e-937.4315
OGAG FRHHE2.3739e-75.6572e-85.5051e-84.0701e-83.1945e-85.6810e-73.1780e-75.4317e-82.3704e-937.4315
RRL GUHHZ2.5747e-73.8147e-82.6595e-81.1333e-85.4043e-94.3343e-71.2251e-77.9089e-99.4071e-1041.8351
RRL GUHHN3.0736e-76.8687e-85.5404e-81.9859e-88.3098e-91.0793e-62.7876e-71.2132e-81.5611e-941.8351
RRL GUHHE3.4423e-77.7326e-85.9069e-82.6045e-81.1513e-81.0984e-62.7713e-71.4522e-82.2990e-941.8351
ISO FRHHZ7.0394e-71.0099e-74.8795e-81.3600e-87.0518e-91.7022e-61.8898e-71.2329e-82.0972e-944.0161
ISO FRHHN5.2978e-77.1774e-84.2502e-81.3104e-86.5190e-91.6363e-62.3779e-79.5319e-91.7531e-944.0161
ISO FRHHE6.2306e-78.8675e-85.5754e-82.0850e-81.0914e-81.5259e-63.6628e-71.6965e-82.5357e-944.0161
BHB GUHHZ7.3075e-78.3434e-84.2935e-81.0910e-86.0794e-91.7268e-62.6293e-71.0666e-81.9803e-944.345
BHB GUHHN5.2378e-71.0061e-75.1541e-81.3782e-86.9161e-91.7081e-62.2174e-71.1139e-82.1971e-944.345
BHB GUHHE5.0516e-78.1297e-84.1129e-81.4480e-87.1352e-99.7415e-71.9277e-71.0453e-81.6157e-944.345
ENR GUHHZ2.0983e-61.9280e-76.0640e-82.2311e-81.1767e-83.1221e-62.5355e-71.9919e-84.4495e-956.9130
ENR GUHHN4.8778e-64.9252e-78.4898e-82.7664e-81.6532e-84.9697e-62.8617e-73.9478e-89.3970e-956.9130
ENR GUHHE5.6269e-65.5563e-79.5021e-82.7464e-81.6854e-84.6726e-63.4421e-73.9426e-89.6216e-956.9130
TURF FRHHZ1.6242e-72.2346e-81.7791e-81.0404e-81.1854e-83.4813e-71.0805e-71.6134e-87.2678e-1076.8147
TURF FRHHN2.3431e-73.2197e-82.3159e-81.1020e-89.1075e-96.7022e-78.7882e-81.3479e-89.3037e-1076.8147
TURF FRHHE1.2859e-72.5437e-82.1063e-81.2616e-81.0542e-83.2295e-71.4336e-71.7460e-88.1284e-1076.8147
*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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