AUTOMATIC Location - Area: Alpi Cozie , magnitude (ML): 1.0
2025-12-06 05:04:34 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-12-06 05:08:39

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Earthquake info - RsniPicker2 automatic location
Event - ID :251206050341
Magnitude (ML) :1.0 +/- 0.2
Origin Time :2025-12-06 05:04:34.169 (UTC)
Location : Latitude: 44.495 N, Longitude: 7.254 E
Area :Alpi Cozie
Depth (km) :13.02
Distances (km) : 0.6 --- San Damiano Macra (CN)
3.2 --- Cartignano (CN)
6.0 --- Macra (CN)
6.0 --- Celle di Macra (CN)
7.3 --- Roccabruna (CN)
8.6 --- Pradleves (CN)
8.8 --- Frassino (CN)
9.2 --- Valmala (CN)
9.2 --- Dronero (CN)
9.2 --- Melle (CN)
10.0 --- Castelmagno (CN)
10.2 --- Villar San Costanzo (CN)
10.2 --- Stroppo (CN)
10.7 --- Sampeyre (CN)
10.9 --- Monterosso Grana (CN)
11.6 --- Montemale di Cuneo (CN)
12.0 --- Brossasco (CN)
13.3 --- Marmora (CN)
13.6 --- Valgrana (CN)
13.6 --- Venasca (CN)

Quality location estimate:
Erh: 1.1 km, Erz: 2.1 km, Nf: 26, Gap: 85°, Rms: 0.332 s
Stazioni validate: 16


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.
PZZGU2025-12-06 05:04:37.6500.00900.001.792025-12-06 05:04:39.6600.0430-0.491.1817.0
STVGU2025-12-06 05:04:39.8600.01600.011.712025-12-06 05:04:43.0600.0851-0.750.8031.2
ENRGU2025-12-06 05:04:40.4700.01700.021.622025-12-06 05:04:44.3690.0961-0.461.1534.8
SURFFR2025-12-06 05:04:41.2300.01900.011.612025-12-06 05:04:45.7590.1122-0.611.0637.4
BHBGU2025-12-06 05:04:41.1690.0200-0.021.622025-12-06 05:04:45.5800.1172-0.451.1440.0
ISOFR2025-12-06 05:04:42.0290.02000.500.172025-12-06 05:04:46.1060.2072-0.441.1240.3
GBOSGU2025-12-06 05:04:43.9100.0280-0.021.452025-12-06 05:04:49.8480.6763-0.920.6156.0
SAOFFR--:---.-----.---.--2025-12-06 05:04:52.7090.2122-0.730.8562.7
OGAGFR--:---.-----.---.--2025-12-06 05:04:54.0900.3222-0.570.9666.5
MGROGU2025-12-06 05:04:45.9100.0340-0.341.042025-12-06 05:04:54.2990.2322-0.640.9468.2
MVIFFR--:---.-----.---.--2025-12-06 05:04:53.8870.2702-1.630.1268.3
ROROGU--:---.-----.---.--2025-12-06 05:04:56.4300.3312-0.660.8878.5
IMIGU2025-12-06 05:04:48.3200.0420-0.161.152025-12-06 05:04:58.2500.2442-0.560.9983.6
QLNOIV--:---.-----.---.--2025-12-06 05:05:00.1000.2712-0.740.8189.8
PCPGU2025-12-06 05:04:52.0400.05210.610.172025-12-06 05:05:03.9700.40720.100.76103.3
LSDGU--:---.-----.---.--2025-12-06 05:05:03.6200.3472-1.370.30108.5


RsniPicker2 - Automatic magnitude (ML) calculation results
Station Net Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth Used
PZZ GU0.803.98e-117.0277SI
STV GU0.804.52e-231.2168SI
ENR GU1.402.89e-134.8156SI
BHB GU0.602.35e-240.01SI
ISO FR0.804.31e-240.3205SI
GBOS GU1.002.04e-256.0121SI
SAOF FR0.801.64e-262.7157SI
MGRO GU0.902.10e-268.2138SI
RORO GU0.901.41e-278.5123SI
IMI GU1.102.63e-283.6142SI
QLNO IV1.101.61e-289.8102SI
PCP GU1.201.68e-2103.387SI
LSD GU0.907.26e-3108.5355SI


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 GUHHZ5.3233e-56.5321e-60.0000e+02.0618e-63.6143e-65.0982e-65.7361e-55.6994e-63.3595e-76.6628e-817.0277
PZZ GUHHN4.3977e-56.8214e-60.0000e+03.3903e-65.9070e-65.9070e-69.6408e-58.5639e-65.5853e-71.2163e-717.0277
PZZ GUHHE4.5360e-55.5786e-60.0000e+02.2689e-64.1823e-65.8872e-66.1405e-54.1668e-65.4677e-78.1334e-817.0277
STV GUHHZ6.1096e-67.5404e-70.0000e+03.8972e-77.8169e-71.1602e-69.4682e-61.0348e-66.7983e-81.4682e-831.2168
STV GUHHN5.3705e-68.0580e-70.0000e+04.6367e-78.3970e-78.3970e-71.6205e-59.2069e-77.4883e-81.4982e-831.2168
STV GUHHE1.2297e-51.3787e-60.0000e+06.7759e-71.3848e-62.0757e-61.5266e-51.3187e-61.0470e-73.0700e-831.2168
ENR GUHHZ3.1267e-54.1452e-60.0000e+01.3837e-62.8970e-64.3540e-63.3422e-52.3821e-62.8245e-75.9265e-834.8156
ENR GUHHN8.6064e-57.4352e-60.0000e+02.8299e-65.6212e-65.6212e-66.4775e-55.4071e-64.6606e-71.0957e-734.8156
ENR GUHHE9.9491e-58.9740e-60.0000e+02.5124e-64.8746e-67.1759e-66.2330e-55.6477e-64.3062e-71.0529e-734.8156
BHB GUHHZ5.1650e-66.2040e-70.0000e+03.3997e-76.2043e-79.0535e-71.4207e-56.7885e-74.7296e-81.3507e-840.01
BHB GUHHN3.2350e-64.6316e-70.0000e+02.5967e-74.8920e-74.8920e-78.0873e-66.7198e-75.4544e-81.1911e-840.01
BHB GUHHE6.1389e-67.4146e-70.0000e+03.4605e-76.5556e-79.5824e-78.3056e-66.1349e-77.1053e-81.2485e-840.01
ISO FRHHZ2.2265e-62.4903e-70.0000e+01.5455e-72.9776e-74.1875e-73.5615e-67.1108e-75.0097e-86.6872e-940.3205
ISO FRHHN3.0825e-63.1527e-70.0000e+01.8634e-73.3179e-73.3179e-75.2684e-64.6020e-73.9210e-87.7571e-940.3205
ISO FRHHE7.2492e-68.8046e-70.0000e+04.3186e-77.6865e-71.1002e-61.2460e-59.9986e-77.4282e-81.4530e-840.3205
GBOS GUHHZ1.5908e-62.6664e-70.0000e+01.7839e-73.0532e-74.3498e-74.7840e-69.1192e-75.2056e-81.0914e-856.0121
GBOS GUHHN2.1795e-63.0445e-70.0000e+01.6375e-73.2379e-73.2379e-76.0254e-65.8171e-71.3165e-71.0339e-856.0121
GBOS GUHHE1.6409e-62.6840e-70.0000e+02.0881e-73.5987e-74.9916e-74.1290e-69.4494e-73.7336e-86.0342e-956.0121
SAOF FRHHE1.6409e-62.6840e-70.0000e+02.0881e-73.5987e-74.9916e-74.1290e-69.4494e-73.7336e-86.0342e-962.7157
MGRO GUHHZ5.0161e-71.0752e-70.0000e+08.5354e-81.5569e-72.3371e-71.2960e-63.7895e-77.0852e-89.3451e-968.2138
MGRO GUHHN1.0496e-61.9983e-70.0000e+01.3722e-72.5234e-72.5234e-73.9624e-64.5062e-76.7603e-81.1997e-868.2138
MGRO GUHHE9.5375e-71.6206e-70.0000e+01.3669e-72.4709e-73.3303e-72.0417e-65.8552e-77.4928e-86.3622e-968.2138
RORO GUHHZ1.3910e-62.2522e-70.0000e+01.4319e-72.6214e-73.7265e-73.2482e-64.0735e-79.4277e-87.8199e-978.5123
RORO GUHHN1.3814e-62.0039e-70.0000e+01.5347e-72.5416e-72.5416e-72.7731e-66.1068e-75.5881e-88.1651e-978.5123
RORO GUHHE1.9119e-62.3544e-70.0000e+01.5752e-72.6100e-73.6065e-74.7908e-64.2075e-74.5918e-85.5580e-978.5123
IMI GUHHZ1.1117e-61.8333e-70.0000e+01.1890e-72.2761e-73.6446e-73.5054e-65.9760e-71.6302e-71.2512e-883.6142
IMI GUHHN3.1995e-64.0819e-70.0000e+02.5510e-74.6684e-74.6684e-76.9677e-61.2969e-61.7199e-71.4504e-883.6142
IMI GUHHE1.5388e-62.1426e-70.0000e+01.3346e-72.5541e-73.7686e-73.8246e-65.3957e-79.6707e-89.8016e-983.6142
QLNO IVHHZ8.0571e-71.1999e-70.0000e+09.0269e-81.7254e-72.7005e-71.9561e-63.5219e-79.1062e-87.7465e-989.8102
QLNO IVHHN2.2142e-62.6433e-70.0000e+01.3408e-72.4757e-72.4757e-74.3995e-63.8289e-71.0955e-79.0100e-989.8102
QLNO IVHHE2.1029e-62.5028e-70.0000e+01.7308e-73.1768e-74.3902e-73.0643e-65.1804e-79.6799e-81.2688e-889.8102
PCP GUHHZ8.0793e-71.6913e-70.0000e+01.3482e-72.3597e-73.2330e-72.4054e-65.4484e-77.4294e-85.8588e-9103.387
PCP GUHHN1.0616e-61.6882e-70.0000e+01.3696e-72.3065e-72.3065e-72.0544e-65.3047e-77.3510e-86.1379e-9103.387
PCP GUHHE1.1678e-62.5102e-70.0000e+01.8008e-73.0114e-74.0890e-72.9043e-67.9387e-76.7831e-81.0291e-8103.387
LSD GUHHZ5.2964e-76.4847e-80.0000e+05.1344e-89.2055e-81.3999e-79.0375e-71.9447e-73.5638e-84.7035e-9108.5355
LSD GUHHN9.9667e-71.0442e-70.0000e+05.6173e-81.0272e-71.0272e-71.6651e-63.0910e-73.7285e-86.4847e-9108.5355
LSD GUHHE8.0365e-78.8161e-80.0000e+06.4871e-81.2054e-71.7444e-71.7907e-63.3787e-76.5823e-86.0075e-9108.5355
*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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