MANUAL Location - Area: Alpi Cozie , magnitude (ML): 0.3
2026-04-15 18:43:11 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2026-04-16 07:59:03

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Earthquake info - Manual location
Event - ID :260415184131
Magnitude (ML) :0.3 +/- 0.2
Origin Time :2026-04-15 18:43:11.132 (UTC)
Location : Latitude: 44.591 N, Longitude: 6.873 E
Area :Alpi Cozie
Depth (km) :5.73
Distances (km) : 11.4 --- Bellino
12.8 --- Pontechianale
15.6 --- Casteldelfino
15.8 --- Acceglio
18.0 --- Elva
18.7 --- Prazzo
22.2 --- Argentera
22.2 --- Stroppo
22.3 --- Canosio
22.8 --- Marmora
25.1 --- Sampeyre
25.6 --- Crissolo
26.2 --- Macra
26.9 --- Oncino
27.1 --- Celle di Macra
27.5 --- Ostana
30.2 --- Pietraporzio
31.1 --- Bobbio Pellice
31.9 --- Frassino
32.3 --- Sambuco

Quality location estimate: Erh: 0.6 km, Erz: 1.2 km, Nf: 24, Gap: 107 °, Rms: 0.19


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.
SURFFR2026-04-15 18:43:14.4900.01200.111.322026-04-15 18:43:16.7500.0641-0.031.5814.4
PONCIV2026-04-15 18:43:14.5110.02000.290.632026-04-15 18:43:16.4450.04000.011.6614.7
PZZGU2026-04-15 18:43:15.6700.0110-0.160.902026-04-15 18:43:18.5900.0621-0.660.3522.6
OGAGFR2026-04-15 18:43:17.7860.0200-0.071.492026-04-15 18:43:22.7080.04000.081.4534.9
RRLGU2026-04-15 18:43:18.4900.0190-0.051.562026-04-15 18:43:23.5360.2817-0.230.8738.1
BHBGU2026-04-15 18:43:19.0700.02000.081.522026-04-15 18:43:23.7600.1213-0.750.3141.6
ISOFR2026-04-15 18:43:20.4000.02000.350.542026-04-15 18:43:25.8800.1414-0.300.7347.9
STVGU2026-04-15 18:43:20.6000.0200-0.051.512026-04-15 18:43:27.4100.04000.081.3353.1
ENRGU2026-04-15 18:43:21.7300.03010.041.542026-04-15 18:43:28.9500.2957-0.150.9159.5
RSPGU2026-04-15 18:43:24.2790.02000.510.232026-04-15 18:43:32.3140.0400-0.380.6169.5
TURFFR2026-04-15 18:43:25.8830.02000.191.132026-04-15 18:43:35.2680.0400-0.740.3280.2
MVIFFR2026-04-15 18:43:26.1410.02000.181.142026-04-15 18:43:35.9160.0400-0.690.3680.6


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
PONC IVHH0.329.79e-214.772
PZZ GUHH0.205.63e-222.6116
OGAG FRHH0.221.56e-234.9310
RRL GUHH0.341.17e-238.1350
BHB GUHH0.209.69e-341.649
ISO FRHH0.279.26e-347.9163
STV GUHH0.396.66e-353.1137
ENR GUHH0.883.34e-259.5133
RSP GUHH0.396.05e-369.526
TURF FRHH0.092.05e-380.2149


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 IVHHZ2.4549e-51.8509e-64.3813e-71.3764e-77.1676e-81.8583e-51.9092e-61.4989e-73.6709e-814.772
PONC IVHHN1.0629e-51.3910e-63.6219e-71.3551e-78.7459e-81.4698e-51.5434e-61.5707e-73.4130e-814.772
PONC IVHHE2.1304e-52.1464e-66.0121e-72.2692e-71.4460e-72.5332e-52.4648e-62.6761e-75.3445e-814.772
PZZ GUHHZ7.9909e-67.9106e-73.7738e-71.1616e-75.8350e-81.3836e-51.5265e-69.7320e-82.0302e-822.6116
PZZ GUHHN7.3787e-68.0439e-75.2713e-72.1321e-71.1322e-71.5802e-52.8572e-61.6046e-72.0772e-822.6116
PZZ GUHHE7.8522e-68.9257e-74.4563e-71.7108e-77.4503e-81.3010e-51.5120e-61.0737e-71.6718e-822.6116
OGAG FRHHZ6.7562e-71.7647e-71.2956e-74.4220e-81.9613e-82.1100e-66.9304e-73.3361e-85.7186e-934.9310
OGAG FRHHN7.9487e-71.6757e-71.1671e-73.1071e-81.7480e-81.5844e-65.1767e-72.2503e-84.0674e-934.9310
OGAG FRHHE6.4687e-71.8064e-71.3092e-75.2484e-82.6291e-81.6282e-68.0295e-73.3643e-84.8135e-934.9310
RRL GUHHZ1.0159e-61.0170e-75.8238e-82.9761e-81.2466e-82.1333e-63.7516e-71.8313e-82.4753e-938.1350
RRL GUHHN1.2699e-61.5747e-71.1414e-74.2346e-82.1893e-83.6882e-64.8087e-72.9655e-83.6884e-938.1350
RRL GUHHE1.3200e-61.5263e-78.4469e-83.7833e-81.6225e-82.4918e-64.0469e-72.3719e-82.7281e-938.1350
BHB GUHHZ1.6435e-61.9441e-78.4374e-82.1965e-81.1504e-85.9616e-62.6326e-71.8591e-84.3829e-941.649
BHB GUHHN1.3108e-61.7598e-78.7559e-82.7710e-81.2009e-82.6303e-62.7719e-71.9563e-84.4453e-941.649
BHB GUHHE1.3792e-61.8659e-77.4666e-82.4917e-81.0456e-83.2437e-62.4467e-71.7583e-83.9159e-941.649
ISO FRHHZ1.0311e-61.2572e-76.2153e-81.5916e-81.0742e-81.9776e-62.9220e-71.5313e-83.0801e-947.9163
ISO FRHHN9.8102e-71.0755e-74.3063e-81.6406e-88.5653e-91.7317e-61.8312e-71.3715e-82.3867e-947.9163
ISO FRHHE1.0897e-61.0829e-76.6809e-83.3238e-81.7066e-81.8305e-64.5904e-72.7045e-83.0717e-947.9163
STV GUHHZ1.2979e-61.3455e-75.5088e-81.7352e-89.4007e-92.5062e-62.6063e-71.4228e-83.0193e-953.1137
STV GUHHN1.0922e-61.4315e-74.7712e-81.6090e-88.3721e-92.1634e-61.9549e-71.5438e-82.7908e-953.1137
STV GUHHE1.2179e-61.2685e-75.4230e-81.9146e-88.8585e-93.2781e-62.0626e-71.4495e-82.8415e-953.1137
ENR GUHHZ4.2360e-64.2461e-79.0597e-82.8125e-81.8698e-86.8784e-63.4212e-72.6409e-88.0142e-959.5133
ENR GUHHN1.0433e-59.2070e-71.8920e-75.2041e-83.1189e-81.3477e-58.4462e-77.6297e-81.6102e-859.5133
ENR GUHHE1.2665e-51.1974e-61.7517e-74.9300e-82.9536e-81.0369e-56.6834e-77.0439e-82.1215e-859.5133
RSP GUHHZ7.8967e-78.6378e-83.0203e-81.7509e-89.0153e-91.2617e-61.1896e-71.1237e-81.5057e-969.526
RSP GUHHN7.5827e-71.0013e-75.4772e-81.8578e-89.5035e-91.6697e-62.0817e-71.4407e-81.9281e-969.526
RSP GUHHE7.2057e-71.1381e-75.6835e-82.3876e-81.0547e-82.1986e-62.2583e-71.3906e-82.6349e-969.526
TURF FRHHZ1.8371e-72.3528e-81.7778e-87.4855e-96.6650e-94.8428e-77.0677e-81.1865e-87.4235e-1080.2149
TURF FRHHN2.0524e-73.8619e-82.2292e-87.7235e-96.3826e-98.1553e-76.9448e-88.9854e-99.7353e-1080.2149
TURF FRHHE1.2651e-72.1691e-81.5744e-89.1631e-97.8363e-93.9412e-76.3890e-81.3558e-88.7124e-1080.2149
*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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