AUTOMATIC Location - Area: Alpi Cozie , magnitude (ML): 0.7
2025-12-24 06:41:21 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-12-24 06:47:18

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Earthquake info - RsniPicker2 automatic location
Event - ID :251224064010
Magnitude (ML) :0.7 +/- 0.2
Origin Time :2025-12-24 06:41:21.61 (UTC)
Location : Latitude: 44.506 N, Longitude: 6.851 E
Area :Alpi Cozie
Depth (km) :3.27
Distances (km) : 11.5 --- Acceglio (CN)
13.9 --- Argentera (CN)
15.7 --- Bellino (CN)
16.4 --- Prazzo (CN)
19.2 --- Canosio (CN)
19.2 --- Pontechianale (CN)
19.4 --- Elva (CN)
19.8 --- Casteldelfino (CN)
20.0 --- Marmora (CN)
21.9 --- Stroppo (CN)
23.0 --- Pietraporzio (CN)
25.7 --- Sambuco (CN)
26.1 --- Macra (CN)
26.3 --- Celle di Macra (CN)
28.2 --- Sampeyre (CN)
30.6 --- Castelmagno (CN)
32.2 --- San Damiano Macra (CN)
32.6 --- Crissolo (CN)
33.0 --- Oncino (CN)
33.7 --- Vinadio (CN)

Quality location estimate:
Erh: 2 km, Erz: 1.8 km, Nf: 11, Gap: 157°, Rms: 0.167 s
Stazioni validate: 6


RsniPicker2 - Automatic location results
Station Net P arrival times P pick
err
P pick
weight
P res Nll
weight
S arrival time S pick
err
S pick
weight
S res Nll
weight
Dist.
SURFFR2025-12-24 06:41:23.2600.00900.012.012025-12-24 06:41:24.4900.01800.002.005.2
PZZGU2025-12-24 06:41:26.2300.0120-0.021.942025-12-24 06:41:29.6800.06410.031.5021.3
ISOFR2025-12-24 06:41:29.9100.02200.630.402025-12-24 06:41:35.1890.12420.630.3839.2
STVGU--:---.-----.---.--2025-12-24 06:41:37.4900.14720.730.3347.7
ENRGU2025-12-24 06:41:31.7800.03000.041.462025-12-24 06:41:38.5440.2282-0.260.5754.6
MVIFFR--:---.-----.---.--2025-12-24 06:41:44.6300.3342-0.450.3871.9
RSPGU--:---.-----.---.--2025-12-24 06:41:44.3890.5523-1.800.0278.7


RsniPicker2 - Automatic magnitude (ML) calculation results
Station Net Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth Used
PZZ GU0.601.59e-121.390SI
ISO FR0.401.99e-239.2156SI
STV GU0.802.04e-247.7127SI
ENR GU1.005.18e-254.6124SI
RSP GU0.801.21e-278.725SI


Results of PGA, PGV, IH, spectral amplitudes (SA) values calculation
Station Net Channel PGA
(g)
PGV
(m/s)
PGD
(m)
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 GUHHZ1.3289e-51.7000e-60.0000e+01.1585e-61.8677e-62.5406e-63.7723e-54.0331e-62.0434e-73.4805e-821.390
PZZ GUHHN2.1363e-52.7355e-60.0000e+01.4153e-62.4153e-62.4153e-64.1175e-54.7133e-62.9922e-75.8652e-821.390
PZZ GUHHE1.2081e-52.1431e-60.0000e+01.7644e-62.9214e-64.0144e-63.9449e-59.9040e-63.0690e-76.2793e-821.390
ISO FRHHZ2.6475e-63.9300e-70.0000e+02.8596e-75.0861e-77.0726e-76.7241e-67.5113e-76.6433e-81.1390e-839.2156
ISO FRHHN2.2283e-63.3161e-70.0000e+01.9859e-73.6369e-73.6369e-75.3875e-64.5894e-79.0806e-81.0065e-839.2156
ISO FRHHE2.4412e-63.4446e-70.0000e+01.9371e-73.3985e-74.9795e-74.4397e-66.8547e-76.6289e-81.0288e-839.2156
STV GUHHZ1.1571e-61.7999e-70.0000e+01.6657e-72.9427e-73.9629e-72.7851e-68.4350e-71.0428e-71.3488e-847.7127
STV GUHHN1.5206e-62.4432e-70.0000e+01.6908e-73.2114e-73.2114e-73.2486e-65.4008e-78.2252e-88.1842e-947.7127
STV GUHHE2.3082e-63.6862e-70.0000e+02.1102e-73.9616e-75.7358e-74.6208e-67.0726e-76.4176e-81.4687e-847.7127
ENR GUHHZ4.2560e-65.0163e-70.0000e+02.8358e-75.4969e-77.8258e-79.6922e-66.4534e-79.8784e-82.6155e-854.6124
ENR GUHHN1.0193e-51.1001e-60.0000e+05.2567e-71.0690e-61.0690e-61.4290e-51.1626e-61.9303e-72.6981e-854.6124
ENR GUHHE9.4715e-69.6350e-70.0000e+05.0263e-79.6775e-71.4241e-61.3791e-51.1397e-62.0492e-72.6168e-854.6124
RSP GUHHZ7.6742e-71.2507e-70.0000e+08.0086e-81.5187e-72.2261e-71.6471e-63.6582e-74.8468e-86.2639e-978.725
RSP GUHHN1.1042e-62.1399e-70.0000e+01.3585e-72.3747e-72.3747e-73.6632e-63.4077e-73.7116e-87.4423e-978.725
RSP GUHHE7.7720e-71.3617e-70.0000e+01.2561e-72.0175e-72.7949e-72.7456e-64.8087e-75.2046e-88.9421e-978.725
*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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