AUTOMATIC Location - Area: Alpi Cozie , magnitude (ML): 1.2
2025-12-25 06:59:45 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-12-25 07:05:30

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Earthquake info - RsniPicker2 automatic location
Event - ID :251225065913
Magnitude (ML) :1.2 +/- 0.3
Origin Time :2025-12-25 06:59:45.889 (UTC)
Location : Latitude: 44.591 N, Longitude: 6.878 E
Area :Alpi Cozie
Depth (km) :7.69
Distances (km) : 11.1 --- Bellino (CN)
12.4 --- Pontechianale (CN)
15.2 --- Casteldelfino (CN)
15.6 --- Acceglio (CN)
17.7 --- Elva (CN)
18.4 --- Prazzo (CN)
21.9 --- Stroppo (CN)
22.1 --- Canosio (CN)
22.1 --- Argentera (CN)
22.6 --- Marmora (CN)
24.8 --- Sampeyre (CN)
25.3 --- Crissolo (CN)
25.9 --- Macra (CN)
26.6 --- Oncino (CN)
26.8 --- Celle di Macra (CN)
27.2 --- Ostana (CN)
30.0 --- Pietraporzio (CN)
30.9 --- Bobbio Pellice (TO)
31.6 --- Frassino (CN)
32.0 --- San Damiano Macra (CN)

Quality location estimate:
Erh: 0.8 km, Erz: 1 km, Nf: 20, Gap: 105°, Rms: 0.159 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.
SURFFR2025-12-25 06:59:49.2990.00700.001.702025-12-25 06:59:51.4100.0460-0.420.3815.4
PZZGU2025-12-25 06:59:50.5600.0110-0.041.56--:---.-----.---.-- 22.4
OGAGFR2025-12-25 06:59:52.7590.01700.051.602025-12-25 06:59:57.5700.10620.001.3435.4
RRLGU2025-12-25 06:59:53.3890.01900.041.612025-12-25 06:59:58.4590.1142-0.171.0138.1
BHBGU2025-12-25 06:59:53.9500.02000.230.772025-12-25 06:59:59.1100.1252-0.091.1741.5
ISOFR2025-12-25 06:59:55.3100.02400.500.132025-12-25 07:00:00.8100.1442-0.111.1047.9
STVGU2025-12-25 06:59:55.4590.02600.091.442025-12-25 07:00:01.9500.1592-0.061.1352.9
ENRGU2025-12-25 06:59:56.5990.03000.201.002025-12-25 07:00:03.6900.2172-0.061.0359.3
RSPGU2025-12-25 06:59:58.8100.03500.300.652025-12-25 07:00:06.8500.2942-0.520.4969.5
OGMOFR--:---.-----.---.--2025-12-25 07:00:07.4800.2122-0.570.4070.7
MGROGU2025-12-25 07:00:02.8500.0480-0.081.20--:---.-----.---.-- 96.2
LSDGU--:---.-----.---.--2025-12-25 07:00:14.7900.3402-0.810.2898.9


RsniPicker2 - Automatic magnitude (ML) calculation results
Station Net Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth Used
PZZ GU0.802.36e-122.4116SI
RRL GU1.005.38e-238.1349SI
BHB GU0.804.05e-241.548SI
ISO FR0.904.39e-247.9163SI
STV GU1.103.24e-252.9137SI
ENR GU1.601.96e-159.3133SI
RSP GU1.103.04e-269.526SI
MGRO GU1.705.80e-296.2129SI
LSD GU1.301.86e-298.912SI


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 GUHHZ3.7814e-54.0713e-60.0000e+02.4866e-64.3781e-66.2354e-67.7220e-58.3437e-64.5545e-79.4543e-822.4116
PZZ GUHHN4.0446e-54.7280e-60.0000e+03.0500e-65.4617e-65.4617e-66.9536e-58.9054e-64.7162e-79.3436e-822.4116
PZZ GUHHE3.7092e-54.2015e-60.0000e+02.8083e-64.7418e-66.4885e-64.5739e-58.8788e-64.9632e-79.7797e-822.4116
RRL GUHHZ5.3371e-67.3408e-70.0000e+04.3919e-77.9262e-71.1334e-61.6808e-51.9098e-61.1925e-72.2098e-838.1349
RRL GUHHN7.1652e-61.1009e-60.0000e+06.5846e-71.2311e-61.2311e-62.6211e-51.5089e-61.9667e-72.8495e-838.1349
RRL GUHHE5.3508e-66.2754e-70.0000e+05.1822e-78.7577e-71.1804e-61.3440e-52.7909e-61.7532e-71.7962e-838.1349
BHB GUHHZ9.2261e-61.0935e-60.0000e+06.5744e-71.1804e-61.7043e-62.6840e-51.4031e-61.2609e-72.6259e-841.548
BHB GUHHN8.0856e-67.4159e-70.0000e+05.3770e-79.0556e-79.0556e-71.3822e-51.5279e-61.1192e-71.8731e-841.548
BHB GUHHE7.8122e-69.0995e-70.0000e+05.6171e-79.8777e-71.4278e-61.5677e-51.3112e-61.1863e-72.3999e-841.548
ISO FRHHZ4.5252e-66.0812e-70.0000e+02.4757e-74.6953e-76.7006e-76.1138e-66.3905e-78.5895e-81.1219e-847.9163
ISO FRHHN5.3707e-66.3235e-70.0000e+02.6961e-75.5220e-75.5220e-77.5527e-66.9914e-79.9604e-81.2689e-847.9163
ISO FRHHE5.7193e-65.4080e-70.0000e+03.8049e-76.9695e-79.5237e-71.2255e-51.3125e-61.1781e-71.2941e-847.9163
STV GUHHZ5.3922e-66.6546e-70.0000e+04.1017e-77.2877e-71.0483e-61.3162e-51.0598e-61.1766e-73.4268e-852.9137
STV GUHHN5.5897e-66.7189e-70.0000e+03.6851e-76.6221e-76.6221e-71.4104e-59.3613e-71.2467e-72.4452e-852.9137
STV GUHHE5.4741e-66.9747e-70.0000e+03.9599e-77.1034e-71.0256e-69.2780e-61.0289e-67.5515e-83.6597e-852.9137
ENR GUHHZ2.1499e-51.9474e-60.0000e+08.4229e-71.6492e-62.4440e-62.5458e-51.5724e-62.6938e-76.4904e-859.3133
ENR GUHHN4.1294e-53.8766e-60.0000e+01.7265e-63.4489e-63.4489e-65.4596e-54.0466e-63.7211e-77.7541e-859.3133
ENR GUHHE5.6876e-55.4750e-60.0000e+02.6974e-65.4553e-68.1959e-66.4649e-54.3257e-64.0785e-71.2173e-759.3133
RSP GUHHZ2.4931e-63.1066e-70.0000e+01.8238e-73.5053e-75.0910e-76.8401e-64.3036e-76.8438e-81.4687e-869.526
RSP GUHHN3.1888e-65.4330e-70.0000e+03.4167e-76.0541e-76.0541e-79.1575e-68.3787e-78.0728e-81.6449e-869.526
RSP GUHHE4.7087e-65.6600e-70.0000e+03.3888e-76.4010e-79.3608e-71.2489e-57.5893e-77.8310e-82.2397e-869.526
MGRO GUHHZ2.4423e-63.6449e-70.0000e+01.0157e-72.0445e-73.5436e-72.8938e-63.4220e-71.6326e-73.5461e-896.2129
MGRO GUHHN2.2846e-62.8190e-70.0000e+01.1143e-72.4813e-72.4813e-73.2265e-64.4265e-71.9475e-76.0350e-896.2129
MGRO GUHHE1.4878e-62.5862e-70.0000e+01.4146e-72.5166e-74.0203e-73.3475e-65.6906e-71.8356e-76.9904e-896.2129
LSD GUHHZ1.1517e-61.8068e-70.0000e+01.4743e-72.5305e-73.4217e-72.1569e-66.1656e-75.8582e-81.1664e-898.912
LSD GUHHN1.3133e-61.9250e-70.0000e+01.5383e-72.6391e-72.6391e-73.0478e-67.2500e-74.6005e-81.2370e-898.912
LSD GUHHE2.4199e-62.4552e-70.0000e+01.9729e-73.2611e-74.4897e-75.0522e-68.0597e-76.1631e-89.7057e-998.912
*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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