AUTOMATIC Location - Area: Monferrato , magnitude (ML): 1.3
2025-12-02 09:58:56 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-12-02 10:03:19

RSNI Logo


Earthquake info - RsniPicker2 automatic location
Event - ID :251202095745
Magnitude (ML) :1.3 +/- 0.5
Origin Time :2025-12-02 09:58:56.95 (UTC)
Location : Latitude: 45.110 N, Longitude: 8.563 E
Area :Monferrato
Depth (km) :22.10
Distances (km) : 1.6 --- Ticineto (AL)
1.8 --- Valmacca (AL)
3.5 --- Frassineto Po (AL)
3.7 --- Borgo San Martino (AL)
5.3 --- Giarole (AL)
5.3 --- Breme (PV)
5.4 --- Bozzole (AL)
5.7 --- Pomaro Monferrato (AL)
7.1 --- Occimiano (AL)
7.9 --- Candia Lomellina (PV)
8.3 --- Sartirana Lomellina (PV)
8.8 --- Mirabello Monferrato (AL)
9.2 --- Casale Monferrato (AL)
9.5 --- Valle Lomellina (PV)
9.8 --- Terruggia (AL)
10.0 --- Cozzo (PV)
10.0 --- Motta de Conti (VC)
10.0 --- Torre Beretti e Castellaro (PV)
10.5 --- Villanova Monferrato (AL)
11.6 --- Frascarolo (PV)

Quality location estimate:
Erh: 14.2 km, Erz: 14 km, Nf: 8, Gap: 204°, Rms: 0.14 s
Stazioni validate: 7


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.
MONCIV2025-12-02 09:59:08.3700.01800.001.63--:---.-----.---.-- 54.8
PCPGU--:---.-----.---.--2025-12-02 09:59:16.9200.7233-0.120.7967.0
BHBGU2025-12-02 09:59:14.8100.03500.021.55--:---.-----.---.-- 109.0
MMKCH2025-12-02 09:59:17.1551.24531.240.382025-12-02 09:59:30.3950.3432-0.200.99116.6
PZZGU2025-12-02 09:59:18.2090.0470-0.031.48--:---.-----.---.-- 134.2
DIXCH2025-12-02 09:59:19.9401.1393-0.020.59--:---.-----.---.-- 142.2
LAUCHCH2025-12-02 09:59:22.9341.06930.430.59--:---.-----.---.-- 159.1


RsniPicker2 - Automatic magnitude (ML) calculation results
Station Net Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth Used
PCP GU0.601.08e-267.0181SI
BHB GU1.101.03e-2109.0254SI
MMK CH1.206.52e-3116.6336SI
PZZ GU1.201.26e-2134.2240SI
DIX CH2.206.14e-2142.2320SI


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.
(°)
MONC IVHHZ1.6655e-49.5497e-60.0000e+04.3275e-69.0280e-61.3600e-58.4260e-51.0676e-51.3563e-62.5267e-754.8-1
MONC IVHHN1.7698e-41.4015e-50.0000e+04.5846e-69.8042e-69.8042e-66.5534e-51.0548e-51.3032e-62.1185e-754.8-1
MONC IVHHE1.3251e-41.3106e-50.0000e+04.7467e-69.7439e-61.4635e-59.7542e-51.0017e-52.0595e-62.1322e-754.8-1
PCP GUHHZ1.8835e-76.6387e-80.0000e+01.9803e-86.9887e-81.6020e-72.3810e-79.4275e-89.7333e-81.0294e-867.0181
PCP GUHHN1.3734e-75.3835e-80.0000e+01.6851e-86.8238e-86.8238e-83.4801e-78.1842e-81.0696e-79.4884e-967.0181
PCP GUHHE1.5138e-74.7356e-80.0000e+01.9802e-87.3209e-81.4522e-74.3927e-71.1380e-79.5924e-87.9506e-967.0181
BHB GUHHZ2.1870e-62.9123e-70.0000e+01.0322e-72.0571e-73.1834e-72.8235e-62.9830e-72.0168e-71.0937e-8109.0254
BHB GUHHN1.5135e-61.4820e-70.0000e+08.0485e-81.5981e-71.5981e-71.4750e-62.2579e-71.2737e-76.3932e-9109.0254
BHB GUHHE2.1107e-61.5761e-70.0000e+07.3852e-81.6979e-72.5262e-71.4325e-62.2201e-71.5053e-76.6957e-9109.0254
MMK CHHHZ9.0569e-82.5023e-80.0000e+01.9634e-84.7009e-87.0343e-81.9044e-71.0289e-72.8285e-83.3997e-9116.6336
MMK CHHHN1.0754e-72.7415e-80.0000e+02.1931e-85.5417e-85.5417e-82.9180e-71.2905e-72.4568e-83.8524e-9116.6336
MMK CHHHE1.0712e-72.1927e-80.0000e+01.9566e-84.5710e-86.4909e-82.0269e-79.4004e-82.0765e-83.5855e-9116.6336
PZZ GUHHZ1.2569e-61.9465e-70.0000e+07.3198e-81.5071e-72.2982e-72.3769e-62.3613e-76.2562e-84.7871e-9134.2240
PZZ GUHHN8.5819e-71.1920e-70.0000e+06.2212e-81.4077e-71.4077e-72.0541e-61.8080e-71.1649e-77.7376e-9134.2240
PZZ GUHHE6.9891e-71.2079e-70.0000e+08.0173e-81.5495e-72.2201e-72.4923e-62.5041e-76.0606e-87.1268e-9134.2240
DIX CHHHZ4.8564e-71.4805e-70.0000e+08.8951e-81.8009e-73.2673e-76.5636e-73.5076e-71.6980e-71.8136e-8142.2320
DIX CHHHN3.7652e-71.3187e-70.0000e+01.1691e-72.3720e-72.3720e-76.6531e-75.7549e-71.2461e-71.5860e-8142.2320
DIX CHHHE8.2377e-71.1194e-70.0000e+01.0119e-71.8267e-72.7988e-75.8268e-76.1322e-79.7949e-81.8711e-8142.2320
*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)

rsni