AUTOMATIC Location - Area: Alpi Marittime , magnitude (ML): 0.6
2025-10-17 01:54:27 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-10-17 01:58:46

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Earthquake info - RsniPicker2 automatic location
Event - ID :251017015401
Magnitude (ML) :0.6 +/- 0.3
Origin Time :2025-10-17 01:54:27.139 (UTC)
Location : Latitude: 44.289 N, Longitude: 7.355 E
Area :Alpi Marittime
Depth (km) :15.15
Distances (km) : 3.5 --- Valdieri (CN)
4.5 --- Moiola (CN)
5.6 --- Demonte (CN)
5.8 --- Valloriate (CN)
6.3 --- Entracque (CN)
6.7 --- Gaiola (CN)
7.8 --- Rittana (CN)
8.2 --- Roaschia (CN)
9.0 --- Roccasparvera (CN)
10.5 --- Roccavione (CN)
11.2 --- Aisone (CN)
11.6 --- Borgo San Dalmazzo (CN)
12.2 --- Vignolo (CN)
12.5 --- Robilante (CN)
12.6 --- Bernezzo (CN)
13.7 --- Monterosso Grana (CN)
13.9 --- Cervasca (CN)
13.9 --- Valgrana (CN)
14.6 --- Vinadio (CN)
15.1 --- Vernante (CN)

Quality location estimate:
Erh: 1.5 km, Erz: 1.5 km, Nf: 22, Gap: 104°, Rms: 0.365 s
Stazioni validate: 13


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.
STVGU2025-10-17 01:54:30.3200.01100.001.912025-10-17 01:54:32.1800.0480-0.320.6316.1
ENRGU2025-10-17 01:54:30.6800.01100.140.672025-10-17 01:54:32.8340.0561-0.061.4717.3
ISOFR2025-10-17 01:54:32.9000.01700.001.872025-10-17 01:54:36.1600.0931-0.650.8730.9
PZZGU2025-10-17 01:54:33.0900.0220-0.610.862025-10-17 01:54:37.3200.1032-1.040.5334.3
TURFFR2025-10-17 01:54:34.3690.02100.011.762025-10-17 01:54:38.4900.3212-1.010.6538.2
SAOFFR2025-10-17 01:54:34.7200.02200.011.742025-10-17 01:54:39.4640.1252-0.560.9140.1
GBOSGU2025-10-17 01:54:34.6800.02200.001.742025-10-17 01:54:39.0800.2762-0.730.8241.8
MGROGU2025-10-17 01:54:35.6800.0250-0.410.802025-10-17 01:54:41.6930.2942-0.730.8347.8
MVIFFR--:---.-----.---.--2025-10-17 01:54:41.7300.1472-1.270.4448.9
BIGNGU--:---.-----.---.--2025-10-17 01:54:44.1600.2892-0.640.8857.7
ROROGU--:---.-----.---.--2025-10-17 01:54:45.5490.1862-0.131.0761.9
IMIGU--:---.-----.---.--2025-10-17 01:54:44.7030.7583-1.140.5462.0
BHBGU2025-10-17 01:54:36.4100.1512-1.370.342025-10-17 01:54:44.2790.4512-0.980.6763.0


RsniPicker2 - Automatic magnitude (ML) calculation results
Station Net Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth Used
STV GU0.609.68e-216.1206SI
ENR GU1.207.77e-117.3143SI
ISO FR0.403.18e-230.9245SI
PZZ GU0.505.13e-234.3322SI
SAOF FR0.301.58e-240.1155SI
GBOS GU0.501.00e-241.898SI
MGRO GU0.301.10e-247.8127SI
RORO GU0.407.90e-361.9109SI
IMI GU0.902.95e-262.0134SI
BHB GU0.601.00e-263.0353SI


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.
(°)
STV GUHHZ8.1066e-68.4130e-70.0000e+02.7566e-75.2427e-77.6786e-75.3072e-66.4037e-74.6914e-89.8135e-916.1206
STV GUHHN1.0562e-51.3351e-60.0000e+02.9521e-75.3758e-75.3758e-78.4977e-68.2008e-74.9366e-81.1388e-816.1206
STV GUHHE2.5122e-52.4404e-60.0000e+03.0495e-75.5139e-77.9105e-77.8584e-69.4577e-75.0625e-89.9188e-916.1206
ENR GUHHZ8.5033e-58.7009e-60.0000e+01.0636e-62.0356e-62.9789e-62.0626e-51.8448e-61.7101e-74.5125e-817.3143
ENR GUHHN2.5333e-42.5914e-50.0000e+03.0906e-66.1936e-66.1936e-68.7781e-54.6699e-65.6209e-71.3316e-717.3143
ENR GUHHE3.1028e-42.7777e-50.0000e+04.0954e-68.8302e-61.3605e-56.2469e-54.6589e-67.1060e-72.0125e-717.3143
ISO FRHHZ3.0897e-64.4006e-70.0000e+01.1237e-72.1812e-73.2028e-72.7195e-63.2289e-72.2518e-84.2538e-930.9245
ISO FRHHN5.3329e-67.7053e-70.0000e+01.4034e-72.5288e-72.5288e-74.9715e-63.2263e-73.0910e-85.5338e-930.9245
ISO FRHHE7.1558e-66.6555e-70.0000e+01.1909e-72.2014e-73.1907e-72.5846e-64.3626e-72.5855e-84.3457e-930.9245
PZZ GUHHZ4.3645e-66.7364e-70.0000e+03.7164e-76.3328e-78.8818e-71.1036e-51.0309e-66.6168e-81.2363e-834.3322
PZZ GUHHN5.3852e-67.2293e-70.0000e+05.2744e-79.1063e-79.1063e-71.2549e-52.0806e-61.3633e-71.8107e-834.3322
PZZ GUHHE5.3427e-66.5330e-70.0000e+04.4535e-77.4889e-71.0455e-68.4556e-61.8818e-68.0947e-81.4906e-834.3322
SAOF FRHHE5.3427e-66.5330e-70.0000e+04.4535e-77.4889e-71.0455e-68.4556e-61.8818e-68.0947e-81.4906e-840.1155
GBOS GUHHZ1.2644e-62.0574e-70.0000e+01.2452e-72.2322e-73.2843e-73.8086e-62.2962e-74.1333e-85.7326e-941.898
GBOS GUHHN9.7033e-71.1146e-70.0000e+07.8142e-81.3368e-71.3368e-71.8501e-62.2808e-75.8313e-85.6017e-941.898
GBOS GUHHE8.9081e-71.4488e-70.0000e+01.0380e-71.7854e-72.4833e-73.2780e-62.6277e-72.5058e-84.2683e-941.898
MGRO GUHHZ5.8177e-78.3514e-80.0000e+06.3133e-81.1382e-71.6763e-71.1546e-62.5755e-77.5832e-83.9993e-947.8127
MGRO GUHHN1.1089e-61.5055e-70.0000e+08.8556e-81.6609e-71.6609e-72.3869e-62.5224e-79.3914e-86.7526e-947.8127
MGRO GUHHE1.1554e-61.5520e-70.0000e+08.9731e-81.6980e-72.4077e-73.1566e-62.8699e-75.0729e-85.4222e-947.8127
RORO GUHHZ6.9610e-78.6995e-80.0000e+04.6553e-89.0875e-81.5401e-71.5981e-61.7388e-78.3045e-83.9760e-961.9109
RORO GUHHN7.3887e-71.1188e-70.0000e+06.3018e-81.1450e-71.1450e-71.2829e-62.0987e-73.9722e-84.7627e-961.9109
RORO GUHHE7.6179e-71.1883e-70.0000e+04.9644e-89.7394e-81.5941e-71.3211e-61.4323e-74.9013e-88.7108e-961.9109
IMI GUHHZ1.1619e-61.6911e-70.0000e+01.2517e-72.2702e-73.2424e-74.0158e-63.9753e-71.1762e-77.8719e-962.0134
IMI GUHHN4.6214e-66.1885e-70.0000e+04.1337e-77.1433e-77.1433e-78.7846e-69.8245e-71.3473e-71.6684e-862.0134
IMI GUHHE1.8229e-63.4924e-70.0000e+02.1510e-73.8921e-75.5357e-75.1992e-66.9961e-71.2724e-79.4809e-962.0134
BHB GUHHZ8.0554e-71.0853e-70.0000e+06.5111e-81.3874e-72.3373e-72.0993e-61.6091e-71.6621e-75.3548e-963.0353
BHB GUHHN6.2370e-79.6184e-80.0000e+05.7131e-81.1712e-71.1712e-71.3727e-61.2454e-71.0829e-74.1173e-963.0353
BHB GUHHE9.9495e-71.3060e-70.0000e+06.9975e-81.4734e-72.2445e-71.6995e-61.2459e-71.3529e-75.1213e-963.0353
*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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