MANUAL Location - Area: Alpi Cozie , magnitude (ML): 0.6
2026-02-04 11:14:50 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2026-02-04 11:21:51

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Earthquake info - Manual location
Event - ID :260204111428
Magnitude (ML) :0.6 +/- 0.2
Origin Time :2026-02-04 11:14:50.503 (UTC)
Location : Latitude: 44.602 N, Longitude: 6.719 E
Area :Alpi Cozie
Depth (km) :4.04
Distances (km) : 23.7 --- Bellino
24.6 --- Pontechianale
25.6 --- Acceglio
27.8 --- Casteldelfino
28.6 --- Argentera
29.6 --- Prazzo
30.1 --- Elva
33.0 --- Canosio
33.7 --- Marmora
33.9 --- Stroppo
36.3 --- Crissolo
37.3 --- Sampeyre
37.7 --- Claviere
37.9 --- Pietraporzio
38.1 --- Macra
38.2 --- Oncino
38.5 --- Ostana
38.8 --- Celle di Macra
39.1 --- Bobbio Pellice
39.3 --- Sauze di Cesana

Quality location estimate: Erh: 1 km, Erz: 2.4 km, Nf: 28, Gap: 169 °, Rms: 0.17


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.
SURFFR2026-02-04 11:14:54.0600.00300.011.882026-02-04 11:14:56.3020.0400-0.370.4415.9
PONCIV2026-02-04 11:14:56.1090.02000.570.202026-02-04 11:14:59.8460.04000.710.1625.0
OGAGFR2026-02-04 11:14:55.7200.0200-0.021.842026-02-04 11:14:59.4200.04000.011.6625.6
PZZGU2026-02-04 11:14:57.3100.01100.021.792026-02-04 11:15:01.5950.0882-0.620.2433.6
RRLGU2026-02-04 11:14:57.8320.0200-0.021.752026-02-04 11:15:03.0420.04000.071.4236.4
BHBGU2026-02-04 11:15:00.3720.02000.180.932026-02-04 11:15:06.8040.0400-0.171.1050.4
ISOFR2026-02-04 11:15:00.6600.02010.021.632026-02-04 11:15:06.7400.1434-0.870.1753.6
FENEIV2026-02-04 11:15:00.8590.0200-0.121.322026-02-04 11:15:08.1530.0400-0.101.2454.9
STVGU2026-02-04 11:15:01.8560.0200-0.021.572026-02-04 11:15:09.6490.0400-0.181.0662.6
ENRGU2026-02-04 11:15:02.7310.0200-0.290.722026-02-04 11:15:12.4090.04000.610.2769.4
RSPGU2026-02-04 11:15:04.4860.02000.250.742026-02-04 11:15:13.9730.04000.081.1174.6
MVIFFR2026-02-04 11:15:06.6410.02000.200.962026-02-04 11:15:17.0660.0400-0.850.2185.8
TURFFR2026-02-04 11:15:06.6500.02000.081.292026-02-04 11:15:17.0100.2506-0.900.2288.0
GBOSGU2026-02-04 11:15:07.5650.0200-0.111.252026-02-04 11:15:19.5300.2807-0.110.8597.7


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
PONC IVHH0.444.89e-225.083
PZZ GUHH0.749.30e-233.6108
RRL GUHH0.481.75e-236.49
BHB GUHH0.328.49e-350.459
ISO FRHH0.441.09e-253.6150
FENE IVHH0.348.29e-354.929
STV GUHH0.771.14e-262.6129
ENR GUHH1.114.06e-269.4126
RSP GUHH0.628.67e-374.635
TURF FRHH0.828.83e-388.0142


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.
(°)
PONC IVHHZ1.1433e-51.0297e-63.8256e-71.2621e-77.3628e-81.5050e-51.8709e-61.1983e-72.3326e-825.083
PONC IVHHN4.3672e-64.9788e-72.2590e-79.5936e-84.5154e-81.0476e-59.0111e-76.9472e-81.1103e-825.083
PONC IVHHE8.0225e-61.2817e-63.9815e-71.3541e-77.2811e-82.0439e-51.6650e-61.2856e-72.8021e-825.083
OGAG FRHHZ1.8795e-62.2563e-71.4533e-76.0105e-82.8794e-84.1474e-65.3532e-74.1408e-84.0189e-925.6326
OGAG FRHHN1.7607e-61.8844e-71.2935e-75.7375e-83.0980e-83.0658e-66.6957e-73.1528e-84.5842e-925.6326
OGAG FRHHE1.4383e-62.2665e-71.5236e-76.9425e-83.0418e-82.6014e-68.4984e-74.0410e-86.1287e-925.6326
PZZ GUHHZ5.8631e-61.0157e-65.8610e-71.5405e-78.1412e-81.9565e-53.7912e-61.2271e-72.3582e-833.6108
PZZ GUHHN1.0496e-51.6369e-67.4185e-72.4600e-71.2796e-73.2593e-53.0510e-62.2758e-74.0668e-833.6108
PZZ GUHHE7.8874e-61.3056e-69.9792e-72.7792e-71.4469e-71.7406e-55.3386e-62.0533e-73.5234e-833.6108
RRL GUHHZ1.4270e-61.7779e-78.3791e-84.5169e-82.0366e-82.9496e-65.3242e-72.6064e-84.0357e-936.49
RRL GUHHN1.5654e-61.7985e-71.4686e-78.4716e-83.0805e-84.3086e-67.0061e-74.0018e-84.9208e-936.49
RRL GUHHE1.3049e-62.0037e-71.5387e-78.4429e-83.9753e-85.0508e-67.2694e-76.4532e-85.6618e-936.49
BHB GUHHZ1.6179e-62.6043e-71.2563e-73.5292e-82.2671e-85.4494e-64.4910e-74.7377e-86.6508e-950.459
BHB GUHHN1.1618e-61.6653e-78.2516e-83.1728e-81.8185e-83.3670e-63.8562e-73.5182e-83.7602e-950.459
BHB GUHHE1.4093e-61.7687e-77.0598e-83.3191e-82.2157e-82.8480e-62.8377e-74.4159e-83.9021e-950.459
ISO FRHHZ1.6200e-61.7425e-77.4951e-82.2043e-81.5346e-82.6920e-62.5607e-72.4624e-84.1497e-953.6150
ISO FRHHN1.7628e-61.8911e-77.8754e-82.1538e-81.0801e-83.1800e-63.3217e-71.6581e-84.4128e-953.6150
ISO FRHHE2.5136e-62.5518e-71.0094e-72.3632e-81.4726e-83.5351e-65.5158e-72.3029e-85.3386e-953.6150
FENE IVHHZ1.3682e-61.7578e-77.8264e-82.5104e-81.2993e-82.1132e-63.4248e-72.0035e-83.7686e-954.929
FENE IVHHN1.0244e-61.3457e-77.1626e-82.8205e-81.2977e-82.0524e-63.1820e-71.6231e-82.9582e-954.929
FENE IVHHE1.3706e-61.5196e-77.2233e-82.7365e-81.3138e-82.5180e-63.7412e-72.0172e-82.9030e-954.929
STV GUHHZ1.6663e-61.8068e-71.2536e-73.7907e-81.5791e-83.0041e-65.2442e-72.0118e-84.4866e-962.6129
STV GUHHN1.7698e-62.5583e-71.0181e-73.8891e-82.5396e-85.2659e-64.8209e-73.6774e-85.6484e-962.6129
STV GUHHE1.2087e-61.5747e-78.6824e-83.4332e-81.8350e-82.8577e-63.9398e-72.9807e-83.6300e-962.6129
ENR GUHHZ4.7336e-65.0885e-71.6676e-75.7755e-83.1735e-86.2476e-65.9236e-75.1587e-81.0362e-869.4126
ENR GUHHN9.2786e-61.0285e-63.1440e-79.9497e-85.7917e-81.8736e-51.1793e-69.8295e-82.5386e-869.4126
ENR GUHHE9.0620e-61.0300e-62.8681e-79.2626e-85.2521e-81.4173e-59.2844e-71.0043e-72.1983e-869.4126
RSP GUHHZ7.7461e-79.1138e-85.0773e-82.8377e-81.0625e-81.8362e-61.9267e-71.2606e-82.5698e-974.635
RSP GUHHN1.1077e-61.2653e-77.5306e-83.2445e-81.3020e-81.9796e-63.3399e-72.2457e-83.2720e-974.635
RSP GUHHE9.5468e-71.2767e-77.8909e-83.3531e-81.3698e-82.4837e-62.6741e-71.9084e-83.3649e-974.635
TURF FRHHZ4.5023e-77.8293e-86.0028e-82.8940e-81.7667e-81.0484e-62.4938e-72.5590e-82.4919e-988.0142
TURF FRHHN6.6830e-71.1563e-77.4837e-83.0761e-82.7614e-82.0634e-64.2868e-74.8499e-85.0228e-988.0142
TURF FRHHE4.7018e-78.6052e-87.3617e-84.5468e-82.8999e-81.1043e-63.8208e-73.3057e-83.2753e-988.0142
GBOS GUHHZ1.2564e-62.9886e-72.0010e-76.6038e-83.7716e-82.7396e-61.3341e-65.8542e-87.1158e-997.7114
GBOS GUHHN9.3510e-71.4963e-71.3790e-76.7783e-84.3971e-82.0767e-61.0372e-65.5828e-87.1861e-997.7114
GBOS GUHHE7.8417e-72.0556e-71.7864e-79.4205e-84.4456e-83.8659e-61.5985e-66.0782e-86.6820e-997.7114
*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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