AUTOMATIC Location - Area: Langhe , magnitude (ML): 1.2
2025-12-11 11:49:57 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-12-11 11:54:31

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Earthquake info - RsniPicker2 automatic location
Event - ID :251211114943
Magnitude (ML) :1.2 +/- 0.3
Origin Time :2025-12-11 11:49:57.799 (UTC)
Location : Latitude: 44.436 N, Longitude: 8.248 E
Area :Langhe
Depth (km) :11.38
Distances (km) : 5.5 --- Dego (SV)
5.9 --- Cairo Montenotte (SV)
6.0 --- Cengio (SV)
6.7 --- Saliceto (CN)
7.0 --- Gottasecca (CN)
7.4 --- Piana Crixia (SV)
7.5 --- Cosseria (SV)
8.1 --- Castelletto Uzzone (CN)
8.5 --- Millesimo (SV)
8.6 --- Camerana (CN)
8.6 --- Plodio (SV)
9.2 --- Carcare (SV)
9.3 --- Roccavignale (SV)
10.1 --- Merana (AL)
10.3 --- Prunetto (CN)
10.6 --- Montezemolo (CN)
10.8 --- Monesiglio (CN)
11.8 --- Giusvalla (SV)
12.1 --- Pallare (SV)
12.3 --- Pezzolo Valle Uzzone (CN)

Quality location estimate:
Erh: 14.2 km, Erz: 5.4 km, Nf: 9, Gap: 146°, Rms: 0.388 s
Stazioni validate: 8


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.
RNCAGU--:---.-----.---.--2025-12-11 11:50:14.9300.17620.021.4057.1
STVGU--:---.-----.---.--2025-12-11 11:50:19.3500.2362-1.140.3477.1
BHBGU--:---.-----.---.--2025-12-11 11:50:21.9690.2712-1.560.3390.4
PZZGU2025-12-11 11:50:13.3400.0460-0.021.56--:---.-----.---.-- 90.9
BURYGU--:---.-----.---.--2025-12-11 11:50:24.5900.28020.051.1291.9
MSSAIV--:---.-----.---.--2025-12-11 11:50:25.6390.3592-1.520.35102.4
SURFFR2025-12-11 11:50:17.2700.05810.041.482025-12-11 11:50:31.3300.36120.030.98114.6
PLMAIV2025-12-11 11:50:19.6200.0681-0.031.43--:---.-----.---.-- 135.4


RsniPicker2 - Automatic magnitude (ML) calculation results
Station Net Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth Used
RNCA GU0.801.99e-257.186SI
STV GU1.101.68e-277.1254SI
BHB GU1.201.78e-290.4300SI
PZZ GU0.901.84e-290.9275SI
BURY GU1.403.11e-291.9218SI
MSSA IV1.402.08e-2102.497SI
PLMA IV1.802.82e-2135.4108SI


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.
(°)
RNCA GUHHZ9.7321e-61.8919e-60.0000e+09.0920e-72.7654e-64.8389e-62.0625e-53.6543e-62.5913e-61.7635e-757.186
RNCA GUHHN5.6393e-61.8035e-60.0000e+09.4485e-72.7257e-62.7257e-61.8917e-54.9096e-63.3392e-61.5065e-757.186
RNCA GUHHE1.1754e-52.0942e-60.0000e+01.1363e-62.7314e-64.3832e-62.4493e-54.5684e-62.6516e-61.5154e-757.186
STV GUHHZ2.1395e-62.1782e-70.0000e+01.3778e-72.4407e-73.4247e-73.4742e-64.4634e-73.1502e-85.3736e-977.1254
STV GUHHN1.9917e-62.1953e-70.0000e+01.1102e-72.1136e-72.1136e-72.7320e-64.5992e-72.4979e-86.0962e-977.1254
STV GUHHE2.0567e-62.9621e-70.0000e+01.7114e-73.0540e-74.4202e-75.4657e-64.0146e-72.9122e-86.2662e-977.1254
BHB GUHHZ3.7447e-63.9170e-70.0000e+01.8971e-73.7889e-75.6750e-77.4645e-64.3277e-73.5248e-87.8237e-990.4300
BHB GUHHN3.4950e-63.8309e-70.0000e+01.6746e-73.0334e-73.0334e-76.0020e-64.4847e-73.8198e-86.7839e-990.4300
BHB GUHHE3.8328e-63.9136e-70.0000e+01.9072e-73.6738e-75.2716e-75.4180e-65.2304e-73.8582e-87.5744e-990.4300
PZZ GUHHZ7.1404e-58.4897e-60.0000e+05.7022e-69.8698e-61.3686e-51.1567e-42.1369e-51.0994e-62.0385e-790.9275
PZZ GUHHN5.7684e-58.9460e-60.0000e+05.0606e-69.4491e-69.4491e-61.3606e-41.0349e-57.6642e-71.8770e-790.9275
PZZ GUHHE4.7022e-57.9160e-60.0000e+05.9139e-69.8952e-61.3493e-58.4401e-52.6711e-51.0170e-61.5576e-790.9275
BURY GUHHZ7.9809e-79.8172e-80.0000e+07.3001e-81.5201e-72.1830e-71.9242e-62.2619e-75.9802e-86.1678e-991.9218
BURY GUHHN8.4096e-71.1627e-70.0000e+07.4238e-81.4054e-71.4054e-72.0984e-62.4679e-73.7890e-85.6746e-991.9218
BURY GUHHE1.0188e-61.2756e-70.0000e+08.5771e-81.6893e-72.6322e-71.7479e-62.7715e-79.8516e-87.5310e-991.9218
MSSA IVHHZ3.4057e-82.8032e-80.0000e+04.0030e-93.7615e-88.2043e-84.3729e-82.6561e-88.4160e-83.5530e-9102.497
MSSA IVHHN1.4372e-72.7876e-80.0000e+04.6894e-93.3421e-83.3421e-88.5705e-82.5193e-88.3980e-84.6786e-9102.497
MSSA IVHHE1.1609e-72.9450e-80.0000e+04.7714e-93.8727e-88.6756e-88.4237e-82.7399e-87.0695e-83.4923e-9102.497
PLMA IVHHZ2.1525e-62.8363e-70.0000e+09.1351e-82.0352e-74.2558e-73.2147e-61.2434e-71.9699e-71.6011e-8135.4108
PLMA IVHHN3.4335e-65.3236e-70.0000e+02.0778e-74.2955e-74.2955e-78.5357e-63.4364e-72.5503e-71.7228e-8135.4108
PLMA IVHHE2.6121e-63.6185e-70.0000e+01.6150e-73.7406e-75.6993e-76.0032e-62.4634e-72.8117e-71.2386e-8135.4108
*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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