MANUAL Location - Area: Frignano , magnitude (ML): 1.0
2025-05-13 13:39:08 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-05-14 07:57:30

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Earthquake info - Manual location
Event - ID :250513133731
Magnitude (ML) :1.0 +/- 0.1
Origin Time :2025-05-13 13:39:08.06 (UTC)
Location : Latitude: 44.405 N, Longitude: 10.637 E
Area :Frignano
Depth (km) :22.65
Distances (km) : 5.5 --- Montefiorino
6.0 --- Prignano sulla Secchia
6.8 --- Toano
9.1 --- Palagano
9.5 --- Polinago
10.9 --- Baiso
11.1 --- Carpineti
12.3 --- Serramazzoni
13.0 --- Lama Mocogno
13.0 --- Frassinoro
14.0 --- Castellarano
14.2 --- Villa Minozzo
15.8 --- Viano
16.1 --- Casina
17.4 --- Pavullo nel Frignano
18.5 --- Montecreto
19.1 --- Castelnovo ne Monti
19.1 --- Sassuolo
19.3 --- Riolunato
20.6 --- Fiorano Modenese

Quality location estimate: Erh: 1.2 km, Erz: 1.1 km, Nf: 18, Gap: 244 °, Rms: 0.19


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.
GSCLGU2025-05-13 13:39:11.4700.0090-1.430.042025-05-13 13:39:16.3740.2156-0.051.2624.4
ERBMIV2025-05-13 13:39:12.6800.0120-1.250.042025-05-13 13:39:16.6300.0732-1.780.0129.6
SARMGU2025-05-13 13:39:15.0100.0200-0.021.682025-05-13 13:39:19.7800.1063-0.340.7138.9
VLCMN2025-05-13 13:39:15.5500.02110.151.202025-05-13 13:39:20.8470.04000.131.3241.0
BDIIV2025-05-13 13:39:16.1900.03310.011.702025-05-13 13:39:21.9800.1273-0.091.3244.8
POPMGU2025-05-13 13:39:16.7500.02410.041.672025-05-13 13:39:23.0300.1354-0.081.3047.2
CARDGU2025-05-13 13:39:16.8890.0200-0.081.482025-05-13 13:39:23.3490.29970.001.0249.5
GRAMGU2025-05-13 13:39:17.1900.0251-0.350.572025-05-13 13:39:24.5200.25570.150.9652.0
MSSAIV2025-05-13 13:39:24.4400.05220.111.292025-05-13 13:39:35.6290.0400-0.550.4392.6


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
GSCL GUHH1.313.75e-124.4213
ERBM IVEH0.951.14e-129.6275
SARM GUEH1.071.06e-138.9218
VLC MNHH1.136.53e-241.0216
BDI IVHH1.161.05e-144.8185
POPM GUHH0.939.02e-247.2167
CARD GUHH1.065.35e-249.5196
GRAM GUHH0.997.45e-252.0282
MSSA IVHH0.787.31e-392.6264


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 GUHHZ1.3380e-51.9412e-61.3135e-67.4076e-75.4473e-72.3753e-58.0221e-69.2595e-75.2436e-824.4213
GSCL GUHHN1.0359e-53.5821e-63.3853e-61.5147e-69.5105e-73.1573e-52.3629e-51.1611e-61.0381e-724.4213
GSCL GUHHE7.9633e-63.0029e-62.3366e-61.3143e-67.5428e-72.3029e-51.3653e-59.8638e-79.5639e-824.4213
ERBM IVEHZ8.6298e-61.2743e-65.4388e-71.9610e-79.7885e-82.3140e-51.5280e-61.3506e-72.0081e-829.6275
ERBM IVEHN1.0263e-52.1535e-69.7594e-72.2410e-71.2970e-72.6906e-53.6102e-62.1965e-74.5982e-829.6275
ERBM IVEHE1.1696e-51.7712e-61.0270e-62.0189e-71.2000e-74.0987e-52.8237e-62.1242e-73.7660e-829.6275
SARM GUEHZ2.4595e-53.4396e-66.2419e-71.5958e-78.0631e-82.0695e-52.2188e-61.6047e-73.8903e-838.9218
SARM GUEHN1.4485e-51.8198e-69.3030e-73.6658e-71.7372e-72.5751e-54.2539e-62.4214e-73.2974e-838.9218
SARM GUEHE1.6012e-51.7894e-66.4213e-72.9229e-71.3536e-71.6177e-53.3439e-61.7463e-72.8479e-838.9218
VLC MNHHZ1.1113e-51.6937e-65.2193e-71.5940e-79.0532e-82.1913e-52.4855e-61.1134e-72.1898e-841.0216
VLC MNHHN8.3622e-61.2015e-66.0157e-72.0599e-79.7263e-81.8801e-52.5448e-61.4093e-72.4216e-841.0216
VLC MNHHE4.2186e-66.7010e-74.3300e-72.2407e-71.2074e-71.0380e-53.1295e-61.7720e-72.3430e-841.0216
BDI IVHHZ5.7635e-68.8328e-74.8441e-71.5610e-77.8100e-81.1787e-52.5195e-61.1583e-71.4681e-844.8185
BDI IVHHN6.6174e-69.1467e-78.5771e-73.3333e-71.6322e-71.2000e-56.4584e-62.1772e-72.8942e-844.8185
BDI IVHHE5.0098e-68.6988e-76.8395e-72.2570e-71.0205e-72.0950e-55.6804e-61.3519e-71.9399e-844.8185
POPM GUHHZ4.2180e-66.7181e-74.1060e-71.9022e-78.4031e-81.7148e-52.2715e-69.8911e-81.4067e-847.2167
POPM GUHHN3.9832e-69.6094e-77.8424e-73.3798e-71.3173e-71.1280e-54.1597e-61.7307e-72.4883e-847.2167
POPM GUHHE3.6071e-69.2075e-76.9604e-72.4494e-71.1511e-71.5936e-54.3719e-61.5248e-72.5795e-847.2167
CARD GUHHZ2.1368e-63.3824e-71.7283e-78.4121e-84.3681e-87.0359e-66.7463e-75.8467e-87.9180e-949.5196
CARD GUHHN3.9716e-66.8071e-74.6653e-71.5826e-77.1696e-81.0847e-51.6031e-69.6533e-81.6612e-849.5196
CARD GUHHE4.8023e-61.0028e-65.2170e-71.1836e-77.4201e-82.4603e-51.7255e-61.1819e-72.1764e-849.5196
GRAM GUHHZ6.8700e-67.4336e-73.2596e-79.4335e-84.1388e-85.5586e-61.1733e-66.8609e-81.0298e-852.0282
GRAM GUHHN2.9576e-68.4607e-76.7117e-72.2224e-71.0550e-71.0426e-54.6482e-61.5602e-72.3287e-852.0282
GRAM GUHHE3.0353e-66.6547e-76.0770e-71.9811e-78.6541e-84.5965e-64.3132e-61.0997e-71.4904e-852.0282
MSSA IVHHZ2.4234e-75.5476e-83.6646e-82.8731e-81.9695e-88.9982e-71.5583e-72.7663e-82.0963e-992.6264
MSSA IVHHN3.6442e-75.7409e-85.3519e-83.7447e-82.0097e-85.4196e-72.4455e-72.9172e-81.9748e-992.6264
MSSA IVHHE3.9131e-77.9746e-85.6535e-83.2460e-82.6375e-87.8053e-73.7397e-73.5222e-82.8125e-992.6264
*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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