AUTOMATIC Location - Area: Alpi Marittime , magnitude (ML): 0.8
2025-10-17 02:21:41 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-10-17 02:26:11

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Earthquake info - RsniPicker2 automatic location
Event - ID :251017022115
Magnitude (ML) :0.8 +/- 0.3
Origin Time :2025-10-17 02:21:41.63 (UTC)
Location : Latitude: 44.258 N, Longitude: 7.339 E
Area :Alpi Marittime
Depth (km) :16.25
Distances (km) : 5.1 --- Entracque (CN)
5.2 --- Valdieri (CN)
7.3 --- Demonte (CN)
8.1 --- Moiola (CN)
9.4 --- Roaschia (CN)
9.5 --- Valloriate (CN)
10.3 --- Gaiola (CN)
11.4 --- Aisone (CN)
11.5 --- Rittana (CN)
12.4 --- Roccasparvera (CN)
13.0 --- Roccavione (CN)
14.3 --- Vinadio (CN)
14.4 --- Robilante (CN)
14.5 --- Borgo San Dalmazzo (CN)
15.5 --- Vignolo (CN)
15.7 --- Vernante (CN)
16.2 --- Bernezzo (CN)
16.9 --- Monterosso Grana (CN)
17.4 --- Cervasca (CN)
17.5 --- Valgrana (CN)

Quality location estimate:
Erh: 1.1 km, Erz: 0.9 km, Nf: 24, Gap: 77°, Rms: 0.235 s
Stazioni validate: 15


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 02:21:44.8200.01000.011.382025-10-17 02:21:46.7000.0470-0.291.2616.3
ENRGU2025-10-17 02:21:45.1390.01000.021.352025-10-17 02:21:47.3630.0541-0.171.5617.7
ISOFR2025-10-17 02:21:47.4100.01700.300.462025-10-17 02:21:50.6890.0901-0.151.5429.4
TURFFR2025-10-17 02:21:48.8800.02100.470.212025-10-17 02:21:53.1890.1062-0.061.4435.7
PZZGU2025-10-17 02:21:47.6190.0220-0.990.082025-10-17 02:21:51.9500.5883-1.610.1236.7
SAOFFR2025-10-17 02:21:49.2200.02200.340.482025-10-17 02:21:53.8100.1472-0.171.3738.3
GBOSGU2025-10-17 02:21:49.2000.0210-0.151.582025-10-17 02:21:54.5090.1252-0.101.4143.1
MVIFFR--:---.-----.---.--2025-10-17 02:21:56.2400.1382-0.311.1145.8
MGROGU2025-10-17 02:21:50.1890.0250-0.350.98--:---.-----.---.-- 47.3
ESCAFR--:---.-----.---.--2025-10-17 02:21:57.5740.15520.170.9250.2
BIGNGU--:---.-----.---.--2025-10-17 02:21:58.6500.1652-0.151.2656.0
IMIGU2025-10-17 02:21:52.3890.0561-0.031.452025-10-17 02:21:59.9590.1802-0.121.2361.0
ROROGU--:---.-----.---.--2025-10-17 02:21:59.8800.1832-0.440.8062.4
BHBGU2025-10-17 02:21:51.1300.0310-1.690.04--:---.-----.---.-- 66.5
EILFFR--:---.-----.---.--2025-10-17 02:22:05.2560.3172-0.640.5582.3
PCPGU2025-10-17 02:21:58.6300.0490-0.151.42--:---.-----.---.-- 102.2


RsniPicker2 - Automatic magnitude (ML) calculation results
Station Net Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth Used
STV GU0.902.10e-116.3217SI
ENR GU1.601.81e+017.7116SI
ISO FR0.706.49e-229.4251SI
PZZ GU0.706.77e-236.7327SI
SAOF FR0.402.10e-238.3150SI
GBOS GU0.902.21e-243.192SI
MGRO GU0.602.04e-247.3122SI
IMI GU1.105.19e-261.0131SI
RORO GU0.701.44e-262.4105SI
BHB GU0.801.31e-266.5355SI
PCP GU0.908.64e-3102.271SI


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 GUHHZ1.4141e-51.7361e-60.0000e+06.2457e-71.2397e-61.8445e-61.3068e-51.2813e-61.0451e-72.5247e-816.3217
STV GUHHN2.6359e-52.5759e-60.0000e+05.6124e-71.0722e-61.0722e-61.2810e-51.9007e-61.1614e-72.4160e-816.3217
STV GUHHE5.7657e-55.7332e-60.0000e+07.5614e-71.4674e-62.1780e-61.6412e-51.9636e-61.2025e-73.3191e-816.3217
ENR GUHHZ2.2957e-42.2802e-50.0000e+02.4163e-64.7254e-67.0272e-64.4855e-53.0802e-64.0726e-71.0830e-717.7116
ENR GUHHN5.4086e-46.4700e-50.0000e+07.2250e-61.4702e-51.4702e-51.7976e-41.0542e-51.2066e-63.2742e-717.7116
ENR GUHHE8.5689e-46.3849e-50.0000e+08.3196e-61.7633e-52.7010e-51.2782e-41.0173e-51.3823e-63.9542e-717.7116
ISO FRHHZ7.8147e-67.5464e-70.0000e+02.3853e-74.3712e-76.1382e-74.6073e-67.8774e-75.3365e-87.6672e-929.4251
ISO FRHHN1.6521e-51.4757e-60.0000e+02.6235e-74.6985e-74.6985e-75.9065e-68.4046e-75.6006e-81.0650e-829.4251
ISO FRHHE1.3993e-51.2023e-60.0000e+02.4961e-74.3355e-76.0636e-76.2096e-68.8025e-74.6082e-87.7912e-929.4251
PZZ GUHHZ7.2413e-61.0983e-60.0000e+05.1430e-79.1592e-71.2964e-61.4611e-51.9228e-68.4913e-81.6643e-836.7327
PZZ GUHHN7.9164e-61.3385e-60.0000e+07.2134e-71.3759e-61.3759e-61.7072e-51.8690e-61.7305e-72.6533e-836.7327
PZZ GUHHE7.2151e-61.0537e-60.0000e+05.6351e-71.0278e-61.4934e-61.1436e-52.4053e-61.4284e-71.9420e-836.7327
SAOF FRHHE7.2151e-61.0537e-60.0000e+05.6351e-71.0278e-61.4934e-61.1436e-52.4053e-61.4284e-71.9420e-838.3150
GBOS GUHHZ3.1355e-64.7288e-70.0000e+02.2372e-74.1814e-76.0654e-77.5545e-63.9224e-73.6734e-88.1634e-943.192
GBOS GUHHN2.0028e-62.4589e-70.0000e+01.6760e-72.9715e-72.9715e-72.6339e-63.9560e-77.2668e-86.3297e-943.192
GBOS GUHHE2.7206e-64.5404e-70.0000e+02.4696e-74.3244e-76.1126e-78.8687e-64.9207e-74.7461e-88.0415e-943.192
MGRO GUHHZ1.2448e-61.4422e-70.0000e+01.3917e-72.5393e-73.4086e-72.0789e-65.0351e-79.2543e-86.9215e-947.3122
MGRO GUHHN2.0549e-63.2101e-70.0000e+02.0992e-73.8084e-73.8084e-75.3912e-65.2865e-76.7881e-88.9672e-947.3122
MGRO GUHHE2.5310e-63.3453e-70.0000e+01.8958e-73.8153e-75.3522e-76.6847e-66.3614e-77.9222e-81.0544e-847.3122
IMI GUHHZ2.0385e-62.8605e-70.0000e+01.5153e-72.6400e-73.6759e-74.3882e-65.5648e-71.0248e-78.0516e-961.0131
IMI GUHHN9.5149e-61.1957e-60.0000e+05.1361e-71.0115e-61.0115e-61.6095e-51.0093e-61.0797e-71.9952e-861.0131
IMI GUHHE3.9881e-65.8213e-70.0000e+02.9852e-75.5472e-77.9231e-78.1519e-64.8558e-71.1559e-71.0116e-861.0131
RORO GUHHZ1.3446e-61.6351e-70.0000e+01.1678e-72.0377e-72.9029e-73.5682e-65.0223e-77.0177e-86.0688e-962.4105
RORO GUHHN1.5467e-61.8186e-70.0000e+01.4708e-72.4259e-72.4259e-72.2640e-65.5525e-79.0292e-84.2983e-962.4105
RORO GUHHE1.5436e-62.0708e-70.0000e+01.1556e-72.1339e-73.0524e-72.7722e-63.5587e-75.0617e-84.5206e-962.4105
BHB GUHHZ1.6552e-61.7277e-70.0000e+01.0470e-72.2648e-73.3808e-73.8934e-62.5067e-71.8084e-76.5701e-966.5355
BHB GUHHN1.4371e-61.7255e-70.0000e+01.1935e-72.2287e-72.2287e-72.7820e-62.6839e-71.1546e-74.4346e-966.5355
BHB GUHHE1.9648e-62.5753e-70.0000e+01.3249e-72.8019e-74.3809e-72.5537e-62.8090e-71.4391e-77.0696e-966.5355
PCP GUHHZ4.7405e-76.6248e-80.0000e+03.4255e-87.9343e-81.3512e-77.4977e-71.4425e-78.6612e-85.5577e-9102.271
PCP GUHHN3.2902e-75.1083e-80.0000e+04.1089e-89.0041e-89.0041e-87.9428e-71.7121e-77.5700e-87.2451e-9102.271
PCP GUHHE5.1823e-77.1874e-80.0000e+03.8651e-88.9666e-81.5086e-71.2692e-61.1771e-77.3975e-87.4596e-9102.271
*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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