AUTOMATIC Location - Area: Frignano , magnitude (ML): 0.8
2025-10-09 09:38:47 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-10-09 09:42:24

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Earthquake info - RsniPicker2 automatic location
Event - ID :251009093732
Magnitude (ML) :0.8 +/- 0.2
Origin Time :2025-10-09 09:38:47.459 (UTC)
Location : Latitude: 44.274 N, Longitude: 10.194 E
Area :Frignano
Depth (km) :14.60
Distances (km) : 5.7 --- Comano (MS)
6.7 --- Fivizzano (MS)
8.1 --- Giuncugnano (LU)
8.1 --- Casola in Lunigiana (MS)
10.3 --- Sillano (LU)
10.6 --- Collagna (RE)
11.4 --- Minucciano (LU)
12.5 --- Licciana Nardi (MS)
12.8 --- Ligonchio (RE)
12.9 --- Piazza al Serchio (LU)
14.9 --- Busana (RE)
16.5 --- Monchio delle Corti (PR)
16.7 --- Bagnone (MS)
16.7 --- San Romano in Garfagnana (LU)
16.9 --- Ramiseto (RE)
17.0 --- Camporgiano (LU)
18.1 --- Palanzano (PR)
19.0 --- Vagli Sotto (LU)
19.2 --- Aulla (MS)
19.6 --- Villafranca in Lunigiana (MS)

Quality location estimate:
Erh: 1.2 km, Erz: 1.3 km, Nf: 19, Gap: 70°, Rms: 0.19 s
Stazioni validate: 13


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.
EQUIGU2025-10-09 09:38:51.0290.01800.001.94--:---.-----.---.-- 19.2
SARMGU2025-10-09 09:38:52.1800.01200.001.942025-10-09 09:38:55.4800.0731-0.121.2224.2
VLCMN2025-10-09 09:38:52.2700.01200.300.472025-10-09 09:38:55.2300.07410.001.6124.7
ERBMIV--:---.-----.---.--2025-10-09 09:38:56.7090.1832-0.740.3927.9
GRAMGU2025-10-09 09:38:52.9190.0140-0.011.912025-10-09 09:38:56.8690.09010.131.2130.0
GSCLGU2025-10-09 09:38:54.4100.1052-0.290.522025-10-09 09:38:59.1330.1112-0.830.3835.6
CARDGU--:---.-----.---.--2025-10-09 09:38:59.6190.11620.410.4138.7
PLMAIV2025-10-09 09:38:54.6190.02400.051.642025-10-09 09:38:58.9590.1192-0.720.3939.7
BDIIV--:---.-----.---.--2025-10-09 09:39:00.7500.12720.091.2342.4
MAIMGU--:---.-----.---.--2025-10-09 09:39:02.3800.2582-0.061.0048.7
POPMGU--:---.-----.---.--2025-10-09 09:39:04.2500.16120.240.8853.6
MSSAIV2025-10-09 09:38:57.3200.0270-0.131.172025-10-09 09:39:03.8900.1682-0.970.2956.0
PIIIV--:---.-----.---.--2025-10-09 09:39:07.8100.2052-0.770.3968.4


RsniPicker2 - Automatic magnitude (ML) calculation results
Station Net Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth Used
EQUI GU0.406.64e-219.2196SI
SARM GU0.701.16e-124.2121SI
ERBM IV0.706.61e-227.947SI
GRAM GU1.102.93e-130.0337SI
GSCL GU0.805.69e-235.675SI
CARD GU1.008.35e-238.7140SI
PLMA IV0.804.01e-239.7228SI
BDI IV0.704.39e-242.4126SI
MAIM GU0.802.66e-248.7149SI
POPM GU0.703.93e-253.6119SI
MSSA IV1.104.37e-256.0275SI
PII IV1.002.43e-268.4157SI


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.
(°)
EQUI GUHHZ9.1934e-61.0678e-60.0000e+07.1415e-71.2601e-61.7674e-61.3742e-53.6886e-61.6503e-72.5424e-819.2196
EQUI GUHHN9.0008e-61.1407e-60.0000e+05.6895e-71.0841e-61.0841e-61.5567e-52.0834e-61.3084e-72.1481e-819.2196
EQUI GUHHE6.4987e-69.1734e-70.0000e+05.6229e-71.2223e-61.6914e-61.4997e-52.3272e-64.3200e-73.6449e-819.2196
SARM GUEHZ5.2203e-66.6610e-70.0000e+03.8411e-76.8939e-79.6378e-77.9814e-61.7077e-66.7193e-81.2917e-824.2121
SARM GUEHN6.7686e-69.5887e-70.0000e+06.6940e-71.2868e-61.2868e-61.5672e-52.0245e-62.2294e-72.3296e-824.2121
SARM GUEHE7.5108e-69.6783e-70.0000e+05.7090e-71.1398e-61.6338e-61.2281e-52.9505e-61.4646e-72.6239e-824.2121
VLC MNHHZ3.6977e-65.4669e-70.0000e+03.0808e-75.9609e-78.7369e-77.3997e-68.9532e-71.1904e-71.1172e-824.7-1
VLC MNHHN4.7774e-66.7259e-70.0000e+04.6260e-78.6725e-78.6725e-71.4336e-51.4552e-61.9411e-72.3877e-824.7-1
VLC MNHHE4.2686e-65.0909e-70.0000e+03.1407e-75.9710e-78.6449e-77.9607e-68.7723e-71.5498e-71.5461e-824.7-1
GRAM GUHHZ2.0504e-53.2986e-60.0000e+02.3370e-63.9568e-65.5413e-63.9054e-55.4483e-63.5733e-76.9773e-830.0337
GRAM GUHHN2.2790e-54.2567e-60.0000e+02.8629e-64.8285e-64.8285e-65.5031e-59.2488e-66.1805e-71.0409e-730.0337
GRAM GUHHE1.6659e-52.9302e-60.0000e+01.9817e-63.1752e-64.2473e-62.8830e-51.2354e-54.3626e-76.7943e-830.0337
GSCL GUHHZ1.8916e-63.3400e-70.0000e+02.2903e-74.0402e-75.5951e-74.6856e-68.3118e-71.0168e-79.7941e-935.675
GSCL GUHHN2.5467e-66.4458e-70.0000e+04.7526e-78.9899e-78.9899e-76.8637e-61.8966e-61.4610e-71.9309e-835.675
GSCL GUHHE2.8441e-67.0785e-70.0000e+04.4975e-78.6514e-71.2363e-67.0411e-61.5799e-61.6002e-72.1180e-835.675
CARD GUHHZ7.0366e-66.9977e-70.0000e+03.9922e-77.2493e-71.0665e-61.5201e-51.0435e-68.5608e-81.6231e-838.7140
CARD GUHHN1.3363e-51.8049e-60.0000e+08.8228e-71.5899e-61.5899e-62.3669e-52.3847e-61.3774e-73.3865e-838.7140
CARD GUHHE1.3377e-51.7848e-60.0000e+01.1226e-61.9883e-62.8771e-62.2298e-51.5926e-61.8777e-73.7657e-838.7140
PLMA IVHHZ6.5580e-66.7180e-70.0000e+03.2793e-76.3130e-79.0022e-77.8193e-61.3385e-61.4384e-71.3464e-839.7228
PLMA IVHHN6.1100e-67.1894e-70.0000e+04.2530e-78.2831e-78.2831e-71.0888e-51.2160e-61.1030e-71.5364e-839.7228
PLMA IVHHE6.5753e-68.0732e-70.0000e+04.4298e-78.5208e-71.2178e-61.0736e-51.1535e-62.0996e-71.5991e-839.7228
BDI IVHHZ6.0366e-65.4537e-70.0000e+02.4444e-74.7185e-76.9120e-76.7120e-67.6211e-76.3109e-81.2943e-842.4126
BDI IVHHN1.1199e-59.5371e-70.0000e+04.7171e-79.4050e-79.4050e-71.2077e-51.1844e-61.5584e-71.8425e-842.4126
BDI IVHHE1.8748e-51.5229e-60.0000e+06.5587e-71.3318e-61.9970e-61.6254e-51.0653e-69.6064e-82.8747e-842.4126
MAIM GUHHZ1.4406e-62.2398e-70.0000e+01.5495e-72.8416e-73.9686e-73.1717e-64.6804e-76.0732e-86.5134e-948.7149
MAIM GUHHN2.0096e-62.3502e-70.0000e+01.8179e-73.4541e-73.4541e-74.2236e-66.6495e-78.8316e-86.9077e-948.7149
MAIM GUHHE1.6493e-63.0304e-70.0000e+02.2201e-74.1735e-75.7624e-75.6164e-64.9710e-71.1073e-77.6759e-948.7149
POPM GUHHZ4.3991e-64.2086e-70.0000e+02.8737e-74.8992e-76.8788e-77.1693e-69.4849e-76.0342e-89.9893e-953.6119
POPM GUHHN4.9931e-67.2309e-70.0000e+05.3986e-78.7916e-78.7916e-71.0785e-51.5126e-69.0248e-81.8146e-853.6119
POPM GUHHE3.8337e-66.3469e-70.0000e+04.8526e-78.1159e-71.1268e-66.9064e-61.5923e-68.6279e-81.5135e-853.6119
MSSA IVHHZ4.9301e-77.9860e-80.0000e+05.3024e-89.7966e-81.3788e-78.9799e-72.2079e-72.2004e-81.7227e-956.0275
MSSA IVHHN9.5706e-71.8216e-70.0000e+01.2281e-72.0294e-72.0294e-71.7965e-64.7698e-72.5699e-84.2132e-956.0275
MSSA IVHHE4.5370e-77.9403e-80.0000e+06.4240e-81.1209e-71.5053e-71.0079e-62.9148e-71.8323e-81.8862e-956.0275
PII IVHHZ1.7273e-62.6351e-70.0000e+02.0938e-73.5199e-74.7783e-72.8714e-67.0933e-75.1485e-86.5742e-968.4157
PII IVHHN1.8875e-62.9174e-70.0000e+02.4991e-74.1494e-74.1494e-73.7313e-68.9754e-75.2620e-86.1775e-968.4157
PII IVHHE2.2780e-64.2526e-70.0000e+03.0444e-75.2755e-77.4615e-75.8446e-69.0673e-77.8342e-89.8271e-968.4157
*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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