AUTOMATIC Location - Area: Alpi Cozie , magnitude (ML): 1.1
2025-12-11 18:52:02 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-12-11 18:56:35

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Earthquake info - RsniPicker2 automatic location
Event - ID :251211185136
Magnitude (ML) :1.1 +/- 0.4
Origin Time :2025-12-11 18:52:02.34 (UTC)
Location : Latitude: 44.776 N, Longitude: 6.726 E
Area :Alpi Cozie
Depth (km) :3.52
Distances (km) : 18.4 --- Claviere (TO)
20.4 --- Cesana Torinese (TO)
21.3 --- Sauze di Cesana (TO)
23.6 --- Sestriere (TO)
28.5 --- Prali (TO)
29.3 --- Pontechianale (CN)
30.0 --- Oulx (TO)
30.0 --- Sauze d Oulx (TO)
31.3 --- Bobbio Pellice (TO)
31.4 --- Pragelato (TO)
31.6 --- Bellino (CN)
31.7 --- Salza di Pinerolo (TO)
33.2 --- Massello (TO)
33.8 --- Bardonecchia (TO)
34.1 --- Casteldelfino (CN)
34.2 --- Villar Pellice (TO)
35.2 --- Crissolo (CN)
35.4 --- Salbertrand (TO)
35.7 --- Perrero (TO)
37.5 --- Rora (TO)

Quality location estimate:
Erh: 0.9 km, Erz: 1.5 km, Nf: 16, Gap: 106°, Rms: 0.162 s
Stazioni validate: 10


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.
OGAGFR2025-12-11 18:52:05.6500.00800.001.712025-12-11 18:52:07.4050.0761-0.530.3915.3
RRLGU2025-12-11 18:52:06.5900.01000.230.562025-12-11 18:52:09.1000.05210.001.6017.3
SURFFR2025-12-11 18:52:09.0700.01700.011.652025-12-11 18:52:13.7800.1012-0.131.2433.7
BHBGU2025-12-11 18:52:10.9000.02300.021.572025-12-11 18:52:16.4900.1392-0.211.0543.0
PZZGU--:---.-----.---.--2025-12-11 18:52:16.3600.1292-0.191.1043.1
OGMOFR--:---.-----.---.--2025-12-11 18:52:17.9800.1792-0.300.8948.3
RSPGU2025-12-11 18:52:13.8300.03100.300.552025-12-11 18:52:20.8600.2392-0.390.7559.4
ISOFR--:---.-----.---.--2025-12-11 18:52:24.3700.2162-0.101.0470.7
STVGU--:---.-----.---.--2025-12-11 18:52:25.5000.3092-0.010.9175.8
ENRGU--:---.-----.---.--2025-12-11 18:52:27.0960.25020.000.9681.9
CIROGU--:---.-----.---.--2025-12-11 18:52:35.4000.4082-1.630.03113.2


RsniPicker2 - Automatic magnitude (ML) calculation results
Station Net Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth Used
RRL GU0.801.62e-117.317SI
BHB GU0.803.42e-243.081SI
PZZ GU1.201.55e-143.1134SI
RSP GU0.902.68e-259.446SI
ISO FR0.801.24e-270.7159SI
STV GU1.202.27e-275.8141SI
ENR GU1.506.24e-281.9138SI
CIRO GU1.802.48e-2113.236SI


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.
(°)
RRL GUHHZ1.3690e-51.7255e-60.0000e+06.8668e-71.3223e-61.9251e-61.7209e-53.2523e-62.4352e-73.0559e-817.317
RRL GUHHN1.6384e-52.5517e-60.0000e+09.8559e-72.0914e-62.0914e-63.9294e-53.3677e-63.4888e-74.6590e-817.317
RRL GUHHE1.7937e-53.3633e-60.0000e+01.2091e-62.2627e-63.1906e-63.9878e-53.0563e-63.1819e-74.1529e-817.317
BHB GUHHZ7.0922e-69.6217e-70.0000e+05.1158e-79.6101e-71.3921e-61.4191e-51.0676e-66.8544e-82.1731e-843.081
BHB GUHHN7.2994e-67.7867e-70.0000e+03.9754e-77.5764e-77.5764e-71.6306e-58.9879e-78.1780e-81.7114e-843.081
BHB GUHHE7.0966e-67.3701e-70.0000e+04.0631e-77.7941e-71.1325e-61.3592e-59.0926e-77.6079e-81.5148e-843.081
PZZ GUHHZ9.0521e-61.6668e-60.0000e+01.1539e-61.9143e-62.6776e-62.8167e-53.7149e-61.8651e-73.8261e-843.1134
PZZ GUHHN1.1859e-51.6600e-60.0000e+01.1460e-62.0322e-62.0322e-62.3121e-53.2726e-62.3767e-74.1784e-843.1134
PZZ GUHHE1.4158e-52.2070e-60.0000e+01.4810e-62.5377e-63.6013e-63.1794e-55.9326e-63.4888e-76.6634e-843.1134
RSP GUHHZ3.6274e-63.9923e-70.0000e+02.1448e-74.0955e-75.9987e-76.4884e-65.3192e-74.7476e-88.4098e-959.446
RSP GUHHN3.0754e-64.6997e-70.0000e+02.8383e-74.9823e-74.9823e-77.3961e-68.8246e-75.1538e-81.0391e-859.446
RSP GUHHE4.5772e-65.8415e-70.0000e+03.5930e-76.4994e-79.2962e-71.5146e-51.1012e-66.0056e-81.2221e-859.446
ISO FRHHZ1.3437e-62.1125e-70.0000e+01.3589e-72.4650e-73.5898e-72.4924e-64.6989e-73.6851e-85.3533e-970.7159
ISO FRHHN1.2258e-61.4058e-70.0000e+01.1115e-71.8917e-71.8917e-72.4425e-64.5126e-72.8529e-84.4520e-970.7159
ISO FRHHE1.4381e-61.7023e-70.0000e+01.3909e-72.3884e-73.2230e-72.8026e-64.3345e-73.7990e-84.7033e-970.7159
STV GUHHZ1.1681e-61.8552e-70.0000e+01.8310e-72.8593e-73.8048e-73.8975e-67.1293e-73.6743e-86.9208e-975.8141
STV GUHHN1.6946e-62.0069e-70.0000e+01.5527e-72.7900e-72.7900e-73.0343e-65.5000e-74.0031e-86.5556e-975.8141
STV GUHHE1.7075e-62.8021e-70.0000e+02.0092e-73.4372e-74.7694e-74.7549e-67.8862e-74.8744e-81.0625e-875.8141
ENR GUHHZ3.8617e-65.5707e-70.0000e+03.1280e-76.0478e-78.5704e-77.5329e-69.0573e-78.2195e-81.1660e-881.9138
ENR GUHHN1.1758e-51.3104e-60.0000e+07.0130e-71.2736e-61.2736e-62.0057e-52.4033e-61.4136e-72.9216e-881.9138
ENR GUHHE1.1518e-51.0349e-60.0000e+06.9731e-71.2300e-61.7176e-61.8273e-52.1397e-61.4476e-72.2714e-881.9138
CIRO GUHHZ3.6030e-75.8285e-80.0000e+05.0471e-88.7514e-81.2608e-71.0727e-62.1805e-73.7289e-84.5589e-9113.236
CIRO GUHHN5.1118e-75.9511e-80.0000e+04.2660e-87.5191e-87.5191e-89.1257e-71.6974e-72.2242e-83.5679e-9113.236
CIRO GUHHE5.5536e-79.4429e-80.0000e+06.2804e-81.1826e-71.8631e-79.5150e-72.0504e-78.3884e-86.8712e-9113.236
*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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