AUTOMATIC Location - Area: Alpi Cozie , magnitude (ML): 0.7
2026-10-21 15:58:57 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2026-10-21 16:02:24

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Earthquake info - RsniPicker2 automatic location
Event - ID :261021155720
Magnitude (ML) :0.7 +/- 0.4
Origin Time :2026-10-21 15:58:57.77 (UTC)
Location : Latitude: 44.483 N, Longitude: 7.219 E
Area :Alpi Cozie
Depth (km) :9.88
Distances (km) : 3.0 --- San Damiano Macra (CN)
3.1 --- Celle di Macra (CN)
3.8 --- Macra (CN)
5.4 --- Cartignano (CN)
7.8 --- Stroppo (CN)
8.1 --- Castelmagno (CN)
8.5 --- Pradleves (CN)
9.8 --- Roccabruna (CN)
10.3 --- Marmora (CN)
10.9 --- Frassino (CN)
10.9 --- Sampeyre (CN)
11.2 --- Canosio (CN)
11.6 --- Dronero (CN)
11.6 --- Monterosso Grana (CN)
12.0 --- Melle (CN)
12.1 --- Elva (CN)
12.2 --- Valmala (CN)
12.9 --- Villar San Costanzo (CN)
13.0 --- Prazzo (CN)
13.5 --- Montemale di Cuneo (CN)

Quality location estimate:
Erh: 1.9 km, Erz: 3 km, Nf: 10, Gap: 191°, Rms: 0.128 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.
PZZGU2026-10-21 15:59:00.7000.00900.001.95--:---.-----.---.-- 13.1
STVGU--:---.-----.---.--2026-10-21 15:59:07.1100.08810.051.3129.4
SURFFR2026-10-21 15:59:04.2600.01900.001.862026-10-21 15:59:08.8700.1012-0.131.1533.7
ENRGU2026-10-21 15:59:03.9700.01900.011.872026-10-21 15:59:08.0600.1012-0.190.9433.8
ISOFR--:---.-----.---.--2026-10-21 15:59:10.1100.15020.740.0037.2
GBOSGU2026-10-21 15:59:07.2800.3322-0.540.482026-10-21 15:59:14.0550.2142-0.720.2657.0
EILFFR--:---.-----.---.--2026-10-21 15:59:27.0470.3792-1.130.18104.7


RsniPicker2 - Automatic magnitude (ML) calculation results
Station Net Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth Used
PZZ GU0.201.69e-113.1288SI
STV GU0.502.72e-229.4162SI
ENR GU0.901.13e-133.8151SI
GBOS GU1.303.21e-257.0118SI


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 GUHHZ2.1947e-53.2340e-60.0000e+01.7674e-63.1507e-64.5137e-63.5132e-56.6804e-63.0655e-76.6628e-813.1288
PZZ GUHHN2.0017e-53.2885e-60.0000e+01.7480e-63.5559e-63.5559e-63.7049e-54.7871e-64.2216e-76.8954e-813.1288
PZZ GUHHE1.9336e-52.6984e-60.0000e+01.8958e-63.3073e-64.6176e-63.3157e-55.4187e-63.8414e-76.0826e-813.1288
STV GUHHZ4.4479e-64.1908e-70.0000e+02.1187e-73.9509e-75.4670e-74.5785e-67.2833e-78.1810e-81.9581e-829.4162
STV GUHHN4.4431e-64.6505e-70.0000e+02.1826e-74.3253e-74.3253e-75.9367e-61.0063e-67.9128e-82.0048e-829.4162
STV GUHHE6.6137e-66.6706e-70.0000e+02.9452e-75.4819e-77.9478e-76.4957e-67.1209e-78.1062e-81.8933e-829.4162
ENR GUHHZ1.3756e-51.6150e-60.0000e+08.0001e-71.6550e-62.4219e-62.6739e-51.1231e-61.8606e-74.2678e-833.8151
ENR GUHHN3.5905e-52.9717e-60.0000e+01.4639e-62.9137e-62.9137e-64.5473e-52.3312e-62.8615e-76.4510e-833.8151
ENR GUHHE4.1046e-53.0410e-60.0000e+01.1451e-62.5019e-63.8106e-62.6150e-51.5989e-61.8186e-75.1512e-833.8151
ISO FRHHZ1.3157e-62.0044e-70.0000e+07.9174e-81.4621e-72.1509e-72.1048e-63.3885e-74.8300e-81.0280e-837.2-1
ISO FRHHN2.2755e-62.5785e-70.0000e+08.2305e-81.6348e-71.6348e-72.3692e-62.5853e-77.3886e-81.1360e-837.2-1
ISO FRHHE2.4840e-62.8014e-70.0000e+07.9182e-81.5326e-72.2483e-72.2107e-61.6359e-76.6108e-87.8040e-937.2-1
GBOS GUHHZ4.1741e-66.1851e-70.0000e+03.6595e-76.3154e-79.1316e-71.2313e-51.6265e-62.4063e-75.8405e-857.0118
GBOS GUHHN3.6163e-64.8832e-70.0000e+02.6659e-74.8820e-74.8820e-71.0380e-51.1184e-62.0998e-73.9058e-857.0118
GBOS GUHHE3.6147e-64.6807e-70.0000e+03.0182e-75.4195e-77.4989e-77.4312e-69.2961e-71.9591e-76.6960e-857.0118
*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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