MANUAL Location - Area: Alpi Cozie , magnitude (ML): 0.9
2025-10-08 21:10:01 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-10-09 07:17:54

RSNI Logo

Earthquake info - Manual location
Event - ID :251008210938
Magnitude (ML) :0.9 +/- 0.2
Origin Time :2025-10-08 21:10:01.797 (UTC)
Location : Latitude: 44.578 N, Longitude: 6.678 E
Area :Alpi Cozie
Depth (km) :6.01
Distances (km) : 26.8 --- Bellino
27.2 --- Acceglio
28.1 --- Pontechianale
28.8 --- Argentera
31.0 --- Casteldelfino
31.6 --- Prazzo
32.8 --- Elva
34.8 --- Canosio
35.5 --- Marmora
36.4 --- Stroppo
38.3 --- Pietraporzio
40.3 --- Crissolo
40.5 --- Sampeyre
40.6 --- Macra
40.6 --- Claviere
41.1 --- Celle di Macra
41.2 --- Sambuco
42.0 --- Oncino
42.4 --- Ostana
42.6 --- Cesana Torinese

Quality location estimate: Erh: 1.4 km, Erz: 1.6 km, Nf: 44, Gap: 181 °, 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.
SURFFR2025-10-08 21:10:05.4200.00900.011.592025-10-08 21:10:07.7790.0491-0.321.2516.4
OGAGFR2025-10-08 21:10:06.9000.0904-0.301.282025-10-08 21:10:10.7300.0792-0.281.3126.7
PZZGU2025-10-08 21:10:08.8700.0190-0.071.542025-10-08 21:10:13.8500.1093-0.241.3636.4
RRLGU2025-10-08 21:10:09.6800.02000.001.592025-10-08 21:10:14.9760.1925-0.301.2239.9
VINDIV2025-10-08 21:10:09.7310.0200-1.450.202025-10-08 21:10:16.3460.0400-1.380.2249.8
ISOFR2025-10-08 21:10:11.8100.02710.131.322025-10-08 21:10:17.9800.1604-0.450.9953.3
BHBGU2025-10-08 21:10:12.1900.05220.151.262025-10-08 21:10:19.3800.25970.071.2154.7
STVGU2025-10-08 21:10:13.4220.02000.211.092025-10-08 21:10:21.0700.1925-0.071.3463.7
OGMOFR2025-10-08 21:10:13.8340.0200-0.880.362025-10-08 21:10:23.3790.2116-0.540.8670.2
ENRGU2025-10-08 21:10:15.0720.02000.680.262025-10-08 21:10:23.1880.04000.021.3970.8
RSPGU2025-10-08 21:10:16.4480.02000.380.672025-10-08 21:10:26.2670.04000.111.2478.8
MVIFFR2025-10-08 21:10:17.9160.02000.510.472025-10-08 21:10:27.5470.0400-1.070.3484.9
TURFFR2025-10-08 21:10:17.9120.02000.221.082025-10-08 21:10:28.5300.2657-0.341.0788.1
SAOFFR2025-10-08 21:10:19.1740.02000.111.332025-10-08 21:10:30.6460.4529-0.440.8996.0
GBOSGU2025-10-08 21:10:18.9830.0200-0.201.412025-10-08 21:10:31.1690.0400-0.081.3099.8
ESCAFR2025-10-08 21:10:19.8230.0200-0.021.472025-10-08 21:10:31.7000.4689-0.800.65100.1
LATOIV2025-10-08 21:10:20.0340.02000.510.492025-10-08 21:10:31.9220.0400-0.181.26101.4
MLIGIV2025-10-08 21:10:19.8330.0200-0.610.672025-10-08 21:10:31.9560.0400-1.500.19103.6
LSDGU2025-10-08 21:10:21.3110.02000.870.142025-10-08 21:10:32.6850.0400-0.830.54104.6
MGROGU2025-10-08 21:10:21.0330.0200-0.021.452025-10-08 21:10:34.0720.0400-0.490.93108.1
ROROGU2025-10-08 21:10:22.6000.0200-0.221.352025-10-08 21:10:37.4370.0400-0.161.19122.1
IMIGU2025-10-08 21:10:22.9220.0200-0.101.432025-10-08 21:10:37.2680.0400-0.610.80122.1


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
OGAG FRHH0.585.82e-226.7335
PZZ GUHH0.981.40e-136.4103
RRL GUHH0.813.14e-239.913
ISO FRHH0.441.09e-253.3146
BHB GUHH0.601.39e-254.758
STV GUHH0.831.25e-263.7125
ENR GUHH1.103.83e-270.8123
RSP GUHH0.729.86e-378.836
TURF FRHH0.869.76e-388.1139
SAOF FRHH0.675.12e-396.0133
ESCA FRHH0.836.68e-3100.1146
LSD GUHH1.061.04e-2104.620
MGRO GUHH0.957.31e-3108.1123
RORO GUHH1.087.31e-3122.1115
IMI GUHH1.271.52e-2122.1127


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.
(°)
OGAG FRHHZ2.6120e-65.5063e-74.6231e-72.1981e-71.0227e-75.3365e-63.1944e-61.4192e-71.5648e-826.7335
OGAG FRHHN1.9636e-64.3806e-73.9038e-71.4254e-75.6003e-85.8614e-62.3319e-67.3984e-81.0948e-826.7335
OGAG FRHHE3.0853e-67.6974e-74.8178e-71.9214e-71.0009e-74.7555e-62.9896e-61.2304e-71.8899e-826.7335
PZZ GUHHZ1.1762e-51.9099e-69.2321e-72.6223e-71.2912e-72.2923e-55.4219e-62.1637e-74.2946e-836.4103
PZZ GUHHN1.2706e-51.9733e-61.3535e-64.1583e-71.8854e-73.2125e-55.4819e-62.7569e-75.2108e-836.4103
PZZ GUHHE8.8261e-61.4683e-61.0218e-62.9081e-71.5602e-72.1398e-56.0908e-61.9662e-73.5110e-836.4103
RRL GUHHZ1.9170e-62.9908e-71.3313e-76.0609e-82.8810e-84.2168e-69.2227e-74.3285e-86.6492e-939.913
RRL GUHHN1.9204e-64.2159e-72.9222e-79.6779e-84.3760e-88.0055e-61.0947e-66.9467e-81.1328e-839.913
RRL GUHHE1.9268e-63.7921e-72.6610e-71.1426e-74.6238e-84.6461e-61.0643e-66.7596e-88.8029e-939.913
ISO FRHHZ1.9148e-62.3930e-77.3532e-82.2607e-81.1006e-83.6539e-61.9739e-72.1385e-85.0120e-953.3146
ISO FRHHN2.2258e-62.3055e-76.5368e-81.7781e-89.9085e-94.2541e-62.5541e-72.0456e-84.3165e-953.3146
ISO FRHHE3.2378e-63.1792e-78.9435e-82.3217e-81.0402e-85.0138e-64.2172e-72.3006e-86.3137e-953.3146
BHB GUHHZ2.3455e-62.8110e-71.6556e-75.2977e-82.1130e-87.4414e-65.6781e-73.2305e-86.3957e-954.758
BHB GUHHN1.9313e-62.5672e-71.3688e-74.0385e-81.5651e-84.6876e-65.6893e-72.5826e-86.0938e-954.758
BHB GUHHE2.1665e-62.9243e-71.2541e-74.6281e-81.8246e-85.0662e-64.9415e-73.1441e-86.8862e-954.758
STV GUHHZ1.5542e-61.9878e-71.1296e-72.8398e-81.6601e-83.3232e-65.7172e-72.9611e-84.7846e-963.7125
STV GUHHN2.3342e-62.8269e-71.0089e-73.2135e-81.5165e-83.9944e-64.6833e-72.6390e-85.8584e-963.7125
STV GUHHE2.1739e-62.6173e-79.7516e-82.6967e-81.5184e-84.0951e-63.7506e-72.5457e-85.3795e-963.7125
ENR GUHHZ4.3345e-64.5387e-71.6438e-75.4442e-82.4274e-88.3876e-65.1026e-74.4253e-89.1164e-970.8123
ENR GUHHN1.0359e-51.1834e-62.9675e-79.4840e-84.9664e-81.9052e-51.3396e-68.8930e-81.9684e-870.8123
ENR GUHHE8.8771e-68.6356e-73.0030e-77.5442e-83.9943e-81.4954e-51.1055e-67.5266e-81.7943e-870.8123
RSP GUHHZ9.2816e-71.4708e-79.1022e-83.8917e-81.6640e-82.2030e-64.8828e-72.4356e-84.1641e-978.836
RSP GUHHN1.2998e-61.6168e-79.6730e-83.8577e-81.2463e-82.2126e-63.3143e-71.8543e-83.1652e-978.836
RSP GUHHE1.3162e-62.1769e-71.0870e-72.9267e-81.2779e-83.6176e-63.4240e-71.8965e-84.4301e-978.836
TURF FRHHZ5.1980e-77.9228e-86.0954e-82.5905e-81.2089e-81.7865e-63.1522e-71.9825e-82.2606e-988.1139
TURF FRHHN9.5920e-71.3543e-77.7147e-82.4719e-81.1763e-84.1207e-62.8121e-71.9726e-83.1834e-988.1139
TURF FRHHE7.5704e-71.0985e-79.2397e-84.1022e-81.7072e-81.8749e-65.8931e-72.6962e-83.2548e-988.1139
SAOF FRHHZ4.0008e-77.5475e-85.9846e-83.0208e-81.0074e-87.3695e-73.8700e-71.4369e-81.9967e-996.0133
SAOF FRHHN4.3894e-77.3632e-84.9062e-82.0867e-88.8567e-98.4896e-73.0931e-71.0829e-81.7752e-996.0133
SAOF FRHHE3.3450e-76.3817e-85.2640e-82.2771e-89.6371e-91.4012e-63.7528e-71.2280e-81.5149e-996.0133
GBOS GUHHZ6.2684e-71.0609e-79.6579e-83.1148e-81.5004e-82.3156e-67.6095e-72.2244e-83.0673e-999.8112
GBOS GUHHN5.3792e-79.9632e-87.5036e-83.8967e-82.0667e-81.9387e-64.8885e-72.9574e-82.9993e-999.8112
GBOS GUHHE5.7603e-71.0667e-71.0956e-74.3529e-81.9946e-82.5159e-69.2358e-72.6506e-83.5715e-999.8112
ESCA FRHHZ5.9664e-77.9839e-84.6235e-81.5661e-88.2769e-98.6401e-72.6587e-71.1605e-82.0002e-9100.1146
ESCA FRHHN8.6054e-71.1460e-75.7988e-81.9874e-88.9709e-91.6411e-62.8650e-71.5372e-82.9469e-9100.1146
ESCA FRHHE5.8158e-79.6543e-86.6216e-81.8503e-81.0109e-81.7438e-63.1025e-71.4213e-82.3510e-9100.1146
LSD GUHHZ5.2990e-76.7461e-85.0799e-81.5803e-87.5510e-91.7698e-62.0028e-71.1297e-81.6883e-9104.620
LSD GUHHN7.2760e-71.0086e-77.0743e-82.2519e-89.0413e-92.1961e-64.4556e-71.3059e-82.1343e-9104.620
LSD GUHHE1.1549e-62.0400e-71.0431e-72.7786e-81.3497e-81.9602e-66.6768e-72.1220e-83.8451e-9104.620
MGRO GUHHZ2.5168e-75.5106e-83.5715e-82.3697e-88.8937e-97.4171e-71.7915e-71.2290e-81.3609e-9108.1123
MGRO GUHHN5.7921e-79.6368e-86.2033e-83.1245e-81.1111e-81.3382e-62.8997e-71.6698e-82.5892e-9108.1123
MGRO GUHHE6.4446e-77.8440e-85.6457e-82.2637e-89.6774e-91.2489e-63.6370e-71.2988e-81.7233e-9108.1123
RORO GUHHZ4.0097e-77.5672e-85.6693e-81.7182e-81.0139e-81.4547e-63.0897e-71.1986e-81.8298e-9122.1115
RORO GUHHN5.8654e-79.6023e-87.5911e-82.8701e-81.2481e-81.6103e-64.9654e-71.7474e-82.5319e-9122.1115
RORO GUHHE4.0383e-76.5048e-85.0410e-82.1577e-88.0369e-91.2029e-63.0141e-71.0928e-81.7137e-9122.1115
IMI GUHHZ3.6893e-76.9548e-84.4596e-81.8413e-88.8972e-98.8745e-72.7102e-71.4481e-81.8414e-9122.1127
IMI GUHHN1.1780e-61.6609e-71.1145e-73.3050e-81.7895e-83.9423e-65.4803e-72.6522e-84.3833e-9122.1127
IMI GUHHE5.9312e-71.0522e-76.2791e-82.1051e-89.9803e-91.5170e-64.1581e-71.3938e-82.4903e-9122.1127
*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)

rsni