AUTOMATIC Location - Area: Alpi Cozie , magnitude (ML): 0.5
2026-10-31 20:28:25 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2026-10-31 20:32:14

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Earthquake info - RsniPicker2 automatic location
Event - ID :261031202717
Magnitude (ML) :0.5 +/- 0.4
Origin Time :2026-10-31 20:28:25.08 (UTC)
Location : Latitude: 44.619 N, Longitude: 7.221 E
Area :Alpi Cozie
Depth (km) :6.73
Distances (km) : 5.1 --- Sampeyre (CN)
6.7 --- Frassino (CN)
6.9 --- Oncino (CN)
8.3 --- Sanfront (CN)
8.6 --- Paesana (CN)
8.7 --- Ostana (CN)
10.0 --- Melle (CN)
10.1 --- Gambasca (CN)
10.3 --- Crissolo (CN)
10.8 --- Rifreddo (CN)
11.4 --- Martiniana Po (CN)
12.3 --- Brossasco (CN)
12.4 --- Casteldelfino (CN)
12.9 --- Valmala (CN)
13.2 --- Isasca (CN)
13.5 --- Macra (CN)
13.6 --- Elva (CN)
14.0 --- Envie (CN)
14.1 --- Revello (CN)
14.5 --- Stroppo (CN)

Quality location estimate:
Erh: 0.9 km, Erz: 3 km, Nf: 18, Gap: 121°, Rms: 0.203 s
Stazioni validate: 12


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.
PZZGU2026-10-31 20:28:28.9200.01000.380.462026-10-31 20:28:31.0100.04900.001.7516.4
BHBGU2026-10-31 20:28:30.1290.01400.220.832026-10-31 20:28:33.1690.07610.001.6225.2
SURFFR2026-10-31 20:28:32.0490.0240-0.021.732026-10-31 20:28:36.6300.1312-0.550.4336.4
STVGU2026-10-31 20:28:33.0400.02200.290.842026-10-31 20:28:37.9800.1292-0.091.2742.9
ENRGU2026-10-31 20:28:33.3690.02400.041.682026-10-31 20:28:38.8340.2772-0.240.9446.6
RRLGU2026-10-31 20:28:33.9390.02500.011.692026-10-31 20:28:39.5000.1452-0.650.3848.2
ISOFR--:---.-----.---.--2026-10-31 20:28:40.5390.15220.001.3250.7
RSPGU--:---.-----.---.--2026-10-31 20:28:42.7300.2982-0.061.0559.3
GBOSGU--:---.-----.---.--2026-10-31 20:28:43.8890.2902-0.021.0665.0
SAOFFR--:---.-----.---.--2026-10-31 20:28:46.3200.6053-1.490.1675.4
ROROGU--:---.-----.---.--2026-10-31 20:28:49.3130.5093-1.050.3188.0
LSDGU--:---.-----.---.--2026-10-31 20:28:51.5990.4502-0.730.4993.9


RsniPicker2 - Automatic magnitude (ML) calculation results
Station Net Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth Used
PZZ GU0.006.37e-216.4214SI
BHB GU0.001.67e-225.28SI
STV GU0.206.73e-342.9169SI
ENR GU0.804.35e-246.6160SI
RRL GU0.701.70e-248.2315SI
ISO FR0.105.48e-350.7196SI
RSP GU0.306.54e-359.33SI
GBOS GU1.302.50e-265.0130SI
SAOF FR0.608.21e-375.4159SI
RORO GU0.808.78e-388.0130SI
LSD GU0.605.22e-393.9356SI


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 GUHHZ9.5690e-61.2058e-60.0000e+06.8559e-71.2010e-61.7117e-61.6959e-52.9594e-61.4850e-72.6747e-816.4214
PZZ GUHHN1.0997e-51.3474e-60.0000e+07.3990e-71.3943e-61.3943e-61.6494e-52.2383e-61.4760e-72.5490e-816.4214
PZZ GUHHE8.0574e-61.1682e-60.0000e+08.6562e-71.4406e-61.9760e-61.7135e-53.0184e-61.2380e-72.2598e-816.4214
BHB GUHHZ6.2572e-66.9398e-70.0000e+03.6054e-76.8554e-71.0146e-69.9929e-67.9675e-79.3132e-81.6647e-825.28
BHB GUHHN3.3789e-63.1079e-70.0000e+01.9415e-73.4027e-73.4027e-74.9612e-64.9300e-75.0674e-88.3463e-925.28
BHB GUHHE4.1949e-64.2352e-70.0000e+01.7486e-73.2769e-74.8639e-73.9322e-64.8876e-74.8815e-87.6335e-925.28
STV GUHHZ9.8024e-71.3908e-70.0000e+08.5269e-81.4828e-72.1202e-71.6640e-62.1295e-73.3170e-84.5180e-942.9169
STV GUHHN1.0941e-61.3227e-70.0000e+07.1510e-81.3377e-71.3377e-71.7215e-61.8543e-74.4933e-83.5544e-942.9169
STV GUHHE1.1608e-61.2372e-70.0000e+08.7938e-81.4631e-72.0242e-72.3249e-61.7531e-74.4903e-83.3308e-942.9169
ENR GUHHZ3.8995e-63.3695e-70.0000e+01.9198e-73.5268e-75.2624e-76.5766e-65.9617e-76.7863e-81.2712e-846.6160
ENR GUHHN9.8807e-68.3468e-70.0000e+03.7353e-77.5771e-77.5771e-71.5006e-57.8218e-79.2245e-81.7161e-846.6160
ENR GUHHE1.0406e-59.8335e-70.0000e+04.8128e-78.8582e-71.2666e-61.6064e-51.1511e-61.3373e-71.8564e-846.6160
RRL GUHHZ1.1326e-61.2364e-70.0000e+08.1630e-81.3898e-71.9555e-72.2829e-62.2289e-73.7144e-84.1249e-948.2315
RRL GUHHN1.8629e-62.7612e-70.0000e+01.1796e-72.1455e-72.1455e-75.8206e-62.8920e-74.7646e-86.0569e-948.2315
RRL GUHHE1.6202e-62.5227e-70.0000e+01.1797e-72.1555e-73.1174e-74.1408e-64.4614e-75.1272e-85.4793e-948.2315
ISO FRHHZ6.0534e-78.8219e-80.0000e+05.7493e-89.8930e-81.3680e-71.0482e-61.9316e-72.5783e-84.8528e-950.7196
ISO FRHHN5.2731e-75.5835e-80.0000e+03.4645e-86.3583e-86.3583e-88.3571e-79.7577e-82.1459e-82.8153e-950.7196
ISO FRHHE7.1991e-78.1267e-80.0000e+04.5574e-88.5067e-81.2542e-78.1965e-71.3534e-74.4709e-82.9918e-950.7196
RSP GUHHZ1.0715e-61.1731e-70.0000e+05.4726e-81.0912e-71.6234e-72.0620e-61.6644e-73.5538e-84.6624e-959.33
RSP GUHHN1.2827e-61.5157e-70.0000e+08.4340e-81.5183e-71.5183e-72.2031e-61.5747e-73.0890e-83.9321e-959.33
RSP GUHHE9.9856e-71.3608e-70.0000e+08.1921e-81.4398e-72.0523e-72.7781e-61.7698e-73.1635e-85.3805e-959.33
GBOS GUHHZ2.9857e-64.3671e-70.0000e+02.5373e-74.5701e-76.6014e-77.9389e-68.3475e-71.0165e-79.5753e-965.0130
GBOS GUHHN1.8591e-62.7818e-70.0000e+01.6480e-72.8054e-72.8054e-72.9268e-66.0750e-78.8395e-88.2241e-965.0130
GBOS GUHHE1.5169e-62.8872e-70.0000e+01.6961e-73.1049e-74.4393e-73.1668e-67.5334e-71.2283e-78.3343e-965.0130
SAOF FRHHE1.5169e-62.8872e-70.0000e+01.6961e-73.1049e-74.4393e-73.1668e-67.5334e-71.2283e-78.3343e-975.4159
RORO GUHHZ5.2193e-78.3391e-80.0000e+05.5315e-81.0761e-71.7524e-71.7113e-62.3344e-77.1452e-84.9675e-988.0130
RORO GUHHN4.8785e-79.2943e-80.0000e+06.7830e-81.2464e-71.2464e-71.2940e-62.0332e-76.7963e-84.2716e-988.0130
RORO GUHHE4.9280e-79.5045e-80.0000e+06.4937e-81.2287e-71.8340e-72.0855e-61.5663e-74.2021e-84.9079e-988.0130
LSD GUHHZ5.4857e-77.2082e-80.0000e+04.9689e-88.2190e-81.1570e-71.4314e-61.7369e-71.8421e-83.2784e-993.9356
LSD GUHHN7.4111e-79.0321e-80.0000e+04.8100e-88.1950e-88.1950e-81.2517e-62.2254e-71.7874e-82.9685e-993.9356
LSD GUHHE7.8900e-79.2107e-80.0000e+06.1110e-81.0428e-71.4352e-71.5821e-62.2248e-72.1380e-82.2974e-993.9356
*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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