AUTOMATIC Location - Area: Langhe , magnitude (ML): 1.2
2025-06-20 15:28:45 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-06-20 15:33:28

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Earthquake info - RsniPicker2 automatic location
Event - ID :250620152845
Magnitude (ML) :1.2 +/- 0.7
Origin Time :2025-06-20 15:28:45.04 (UTC)
Location : Latitude: 44.357 N, Longitude: 8.312 E
Area :Langhe
Depth (km) :28.31
Distances (km) : 1.8 --- Carcare (SV)
3.0 --- Altare (SV)
4.3 --- Cairo Montenotte (SV)
4.3 --- Pallare (SV)
5.3 --- Plodio (SV)
6.3 --- Cosseria (SV)
7.4 --- Mallare (SV)
8.5 --- Millesimo (SV)
9.1 --- Cengio (SV)
9.7 --- Roccavignale (SV)
10.1 --- Quiliano (SV)
10.3 --- Dego (SV)
10.7 --- Bormida (SV)
12.1 --- Giusvalla (SV)
12.8 --- Osiglia (SV)
12.8 --- Murialdo (SV)
13.1 --- Saliceto (CN)
13.8 --- Vado Ligure (SV)
13.8 --- Montezemolo (CN)
13.9 --- Pontinvrea (SV)

Quality location estimate:
Erh: 11.9 km, Erz: 15.4 km, Nf: 6, Gap: 117°, Rms: 0.061 s
Stazioni validate: 5


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.
QLNOIV2025-06-20 15:28:50.1910.01500.001.41--:---.-----.---.-- 28.7
STVGU2025-06-20 15:28:58.2702.1773-0.400.262025-06-20 15:29:08.4000.26220.051.0784.3
MONCIV--:---.-----.---.--2025-06-20 15:29:13.5400.10020.061.1589.8
BHBGU--:---.-----.---.--2025-06-20 15:29:12.0400.3122-0.230.89102.5
ERBMIV2025-06-20 15:29:10.6700.0861-0.011.23--:---.-----.---.-- 169.5


RsniPicker2 - Automatic magnitude (ML) calculation results
Station Net Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth Used
QLNO IV-0.101.20e-228.7144SI
STV GU1.503.21e-284.3261SI
BHB GU1.603.07e-2102.5303SI
ERBM IV1.601.08e-2169.587SI


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.
(°)
QLNO IVHHZ1.3555e-61.5907e-70.0000e+08.5535e-81.7823e-72.7997e-73.0621e-62.1815e-75.0326e-84.8124e-928.7144
QLNO IVHHN1.6510e-62.4010e-70.0000e+09.6118e-82.1045e-72.1045e-72.3775e-63.0862e-77.0395e-85.5093e-928.7144
QLNO IVHHE2.8443e-63.1851e-70.0000e+01.2176e-72.6325e-74.0333e-73.4227e-62.7332e-77.2013e-86.6301e-928.7144
STV GUHHZ1.1832e-51.2546e-60.0000e+05.7798e-71.1778e-61.7729e-61.7395e-58.7601e-77.9390e-82.4594e-884.3261
STV GUHHN1.0393e-51.0329e-60.0000e+04.3778e-78.6532e-78.6532e-77.0377e-67.3402e-79.1624e-81.6806e-884.3261
STV GUHHE7.5465e-67.4736e-70.0000e+03.9690e-77.1517e-71.0260e-61.2966e-57.7048e-78.2155e-81.5882e-884.3261
MONC IVHHZ4.8188e-61.0473e-60.0000e+01.0509e-61.6593e-62.2042e-61.7494e-55.1794e-62.0412e-72.5219e-889.8-1
MONC IVHHN6.0431e-61.1795e-60.0000e+01.0788e-61.7804e-61.7804e-62.9005e-54.9185e-61.9533e-72.6231e-889.8-1
MONC IVHHE1.2166e-11.6343e-20.0000e+01.4335e-23.0346e-24.1864e-21.7783e-18.6736e-21.1372e-21.1054e-389.8-1
BHB GUHHZ2.3494e-65.2861e-70.0000e+03.9101e-76.5967e-79.5032e-74.0784e-61.0228e-61.9109e-71.2527e-8102.5303
BHB GUHHN2.4390e-64.4695e-70.0000e+03.4378e-75.9144e-75.9144e-76.1754e-68.3994e-71.1910e-71.1000e-8102.5303
BHB GUHHE1.8478e-63.8037e-70.0000e+03.1702e-75.3200e-77.3272e-74.6712e-68.7590e-71.3524e-71.2256e-8102.5303
*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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