MANUAL Location - Area: Frignano , magnitude (ML): 0.3
2025-10-13 09:52:00 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-10-14 06:24:26

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Earthquake info - Manual location
Event - ID :251013095044
Magnitude (ML) :0.3 +/- 0.2
Origin Time :2025-10-13 09:52:00.012 (UTC)
Location : Latitude: 44.310 N, Longitude: 10.491 E
Area :Frignano
Depth (km) :5.40
Distances (km) : 6.4 --- Villa Minozzo
6.8 --- Frassinoro
9.3 --- Toano
11.7 --- Montefiorino
11.8 --- Ligonchio
12.6 --- Palagano
14.8 --- Busana
15.4 --- Pievepelago
15.6 --- Riolunato
15.7 --- Castelnovo ne Monti
16.5 --- Carpineti
17.6 --- Collagna
17.7 --- Sillano
18.2 --- Villa Collemandina
18.9 --- Castiglione di Garfagnana
19.0 --- Polinago
19.1 --- Fiumalbo
19.2 --- Lama Mocogno
19.2 --- San Romano in Garfagnana
19.4 --- Montecreto

Quality location estimate: Erh: 0.7 km, Erz: 0.8 km, Nf: 16, Gap: 94 °, Rms: 0.24


Manual location results
Station Net P arrival time P pick
err
P pick
weight
P res Nll
weight
S arrival time S pick
err
S pick
weight
S res Nll
weight
Dist.
GSCLGU2025-10-13 09:52:03.2040.02000.280.972025-10-13 09:52:05.0500.02700.011.3610.8
ERBMIV2025-10-13 09:52:04.0100.05520.291.042025-10-13 09:52:06.6340.10020.021.1715.0
SARMGU2025-10-13 09:52:03.7200.00800.381.072025-10-13 09:52:05.7500.0501-0.081.0917.0
VLCMN2025-10-13 09:52:04.2700.01000.490.352025-10-13 09:52:06.6140.04000.011.3019.7
EQUIGU2025-10-13 09:52:05.9230.02000.001.372025-10-13 09:52:10.0070.0400-0.260.4131.8
CARDGU2025-10-13 09:52:06.3100.01600.381.082025-10-13 09:52:10.4000.09620.081.1032.1
POPMGU2025-10-13 09:52:07.2800.01800.351.122025-10-13 09:52:12.1370.13140.131.0836.8
MAIMGU2025-10-13 09:52:07.9870.0200-0.051.212025-10-13 09:52:13.7220.0400-0.350.2744.5


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
GSCL GUHH0.381.89e-110.860
ERBM IVEH-0.093.62e-215.0333
SARM GUEH0.206.72e-217.0207
VLC MNHH0.203.08e-219.7206
EQUI GUHH0.443.03e-231.8239
CARD GUHH0.523.65e-232.1181
POPM GUHH0.545.98e-236.8144
MAIM GUHH0.259.18e-344.5180


Results of PGA, PGV, IH, spectral amplitudes (SA) values calculation
Station Net Channel PGA
(g)
PGV
(m/s)
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.
(°)
GSCL GUHHZ4.8309e-65.3618e-73.6098e-71.7727e-77.7972e-89.1802e-61.7129e-61.0428e-71.2190e-810.860
GSCL GUHHN8.2408e-61.8604e-61.3341e-66.0973e-72.9000e-72.2138e-58.2924e-63.9697e-75.3507e-810.860
GSCL GUHHE6.2109e-61.4285e-61.3118e-66.3447e-72.8113e-71.6784e-57.6907e-63.7468e-74.3509e-810.860
ERBM IVEHZ2.4622e-63.4422e-71.8986e-76.5613e-83.9473e-89.4657e-67.2831e-75.9398e-87.4813e-915.0333
ERBM IVEHN3.8126e-65.8599e-73.1965e-78.2461e-84.7672e-81.5347e-51.3750e-67.6732e-81.2857e-815.0333
ERBM IVEHE4.1041e-65.2622e-72.0768e-76.0016e-83.4301e-81.1132e-58.7765e-75.4791e-81.1348e-815.0333
SARM GUEHZ1.0419e-51.0827e-64.3777e-71.3125e-78.2195e-81.1322e-52.0348e-61.1504e-71.9837e-817.0207
SARM GUEHN7.9999e-61.3176e-64.7521e-72.2480e-79.2392e-89.2588e-62.1656e-61.3196e-72.4492e-817.0207
SARM GUEHE6.0840e-68.5824e-74.1907e-71.5150e-79.1555e-81.0645e-51.7619e-61.3272e-72.2953e-817.0207
VLC MNHHZ9.9762e-61.2561e-62.5397e-78.2044e-85.2473e-88.5478e-61.0193e-67.4232e-81.1191e-819.7206
VLC MNHHN7.5219e-69.9513e-72.1737e-79.1881e-85.5045e-89.5220e-69.7982e-71.0265e-71.9537e-819.7206
VLC MNHHE5.8078e-66.4523e-72.4299e-77.4812e-85.2240e-87.2079e-68.2493e-77.2360e-81.1846e-819.7206
EQUI GUHHZ1.6933e-61.7285e-78.2928e-83.9064e-82.6284e-82.1116e-64.1748e-73.4488e-84.9542e-931.8239
EQUI GUHHN1.0562e-61.5941e-77.0275e-84.2839e-83.0915e-83.1316e-62.5740e-73.4595e-83.9491e-931.8239
EQUI GUHHE1.2746e-62.6085e-72.3730e-72.0200e-71.2895e-73.1708e-61.4626e-61.0756e-71.0008e-831.8239
CARD GUHHZ8.0273e-67.1916e-71.5135e-75.8168e-82.7468e-81.2889e-55.6955e-76.4189e-81.3503e-832.1181
CARD GUHHN9.0435e-69.3739e-72.9281e-77.1549e-84.6165e-81.4091e-51.2510e-67.1405e-82.0161e-832.1181
CARD GUHHE7.7091e-68.4160e-73.3418e-77.8169e-84.9287e-81.1356e-51.1916e-67.1326e-81.7709e-832.1181
POPM GUHHZ8.0166e-67.0208e-72.7388e-77.6104e-83.3165e-87.4414e-61.7395e-64.8148e-88.1216e-936.8144
POPM GUHHN5.6994e-67.5146e-75.2484e-71.4840e-75.8120e-89.1065e-61.8010e-69.7207e-81.7891e-836.8144
POPM GUHHE3.9798e-68.7710e-75.2019e-71.4634e-76.8253e-81.0032e-52.8659e-61.0062e-71.9083e-836.8144
MAIM GUHHZ5.7414e-77.3495e-85.1720e-82.9572e-81.5237e-81.1986e-62.9991e-71.8969e-82.6118e-944.5180
MAIM GUHHN7.8291e-71.1325e-77.5994e-84.4862e-82.0526e-81.4487e-65.1269e-72.3233e-83.1687e-944.5180
MAIM GUHHE5.7864e-78.7727e-87.3661e-84.1758e-82.2326e-81.9094e-63.5276e-72.7215e-83.0856e-944.5180
*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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