MANUAL Location - Area: Frignano , magnitude (ML): 1.1
2023-09-30 16:51:17 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2023-09-30 19:02:54

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Earthquake info - Manual location
Event - ID :230930164944
Magnitude (ML) :1.1 +/- 0.2
Origin Time :2023-09-30 16:51:17.055 (UTC)
Location : Latitude: 44.394 N, Longitude: 10.637 E
Area :Frignano
Depth (km) :21.71
Distances (km) : 4.3 --- Montefiorino
6.3 --- Toano
6.9 --- Prignano sulla Secchia
7.9 --- Palagano
8.7 --- Polinago
11.8 --- Carpineti
11.9 --- Frassinoro
12.0 --- Lama Mocogno
12.1 --- Baiso
12.7 --- Serramazzoni
13.8 --- Villa Minozzo
15.0 --- Castellarano
17.0 --- Casina
17.0 --- Pavullo nel Frignano
17.0 --- Viano
17.4 --- Montecreto
18.1 --- Riolunato
19.3 --- Castelnovo ne Monti
20.1 --- Sassuolo
21.0 --- Pievepelago

Quality location estimate: Erh: 1.2 km, Erz: 2 km, Nf: 20, Gap: 242 °, Rms: 0.18


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.
GSCLGU2023-09-30 16:51:20.2300.0060-1.440.042023-09-30 16:51:22.3450.0400-2.670.0023.2
SARMGU2023-09-30 16:51:23.8200.01600.031.522023-09-30 16:51:28.5820.1002-0.101.4237.6
BDIIV2023-09-30 16:51:24.9200.02000.011.572023-09-30 16:51:30.4000.1193-0.191.2143.3
POPMGU2023-09-30 16:51:25.4100.0211-0.041.612023-09-30 16:51:31.5500.1283-0.091.3245.7
CARDGU2023-09-30 16:51:25.7300.02210.011.542023-09-30 16:51:31.7090.3037-0.190.9248.1
EQUIGU2023-09-30 16:51:25.9900.0241-0.211.232023-09-30 16:51:32.6140.04000.001.3751.1
GRAMGU2023-09-30 16:51:26.2800.0231-0.231.152023-09-30 16:51:33.2670.0400-0.031.3951.4
MAIMGU2023-09-30 16:51:27.2970.0200-0.270.992023-09-30 16:51:35.4680.04000.440.2158.9
PLMAIV2023-09-30 16:51:30.5700.03710.150.952023-09-30 16:51:39.5500.3828-0.220.7676.3
PIIIV2023-09-30 16:51:29.9330.1205-1.130.062023-09-30 16:51:40.7600.3397-0.310.7478.3


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth
GSCL GUHH1.142.77e-123.2219
SARM GUEH1.019.98e-237.6219
BDI IVHH1.321.59e-143.3185
POPM GUHH1.191.72e-145.7166
CARD GUHH1.207.88e-248.1197
EQUI GUHH0.511.41e-251.1237
GRAM GUHH0.967.02e-251.4284
MAIM GUHH0.821.94e-258.9192
PLMA IVHH1.212.95e-276.3239
PII IVHH1.162.52e-278.3187


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 GUHHZ2.0636e-52.5892e-61.3118e-65.9899e-73.5302e-72.9445e-59.3823e-64.1839e-74.0630e-823.2219
GSCL GUHHN1.0708e-52.6980e-63.1193e-61.3709e-66.5613e-72.8720e-51.4295e-57.4017e-78.5686e-823.2219
GSCL GUHHE1.1771e-52.2339e-62.4617e-61.1343e-69.2077e-73.4268e-51.3573e-51.3763e-67.4033e-823.2219
SARM GUEHZ2.3789e-53.1828e-66.8285e-71.7053e-78.1572e-83.0848e-52.6339e-61.4188e-73.7481e-837.6219
SARM GUEHN1.5209e-51.6434e-66.9379e-74.0241e-72.1603e-72.5973e-52.1790e-62.4075e-72.9248e-837.6219
SARM GUEHE1.4229e-51.6914e-68.4105e-73.4347e-71.6152e-71.5013e-55.2627e-62.1101e-72.7776e-837.6219
BDI IVHHZ8.0085e-61.0396e-66.3408e-72.3559e-71.0131e-71.0992e-52.4772e-61.4978e-71.8206e-843.3185
BDI IVHHN7.0691e-62.1318e-61.5196e-65.6931e-72.4133e-72.9104e-59.8647e-63.1141e-74.9468e-843.3185
BDI IVHHE6.6937e-61.4246e-69.4077e-73.5096e-71.6344e-72.6470e-57.5048e-62.3249e-73.7788e-843.3185
POPM GUHHZ4.7899e-68.8934e-77.1259e-73.6986e-71.4491e-71.6863e-53.0871e-61.8969e-71.9430e-845.7166
POPM GUHHN5.9090e-62.0544e-61.4706e-66.7852e-72.6362e-71.5659e-58.6806e-63.7862e-75.1289e-845.7166
POPM GUHHE4.6686e-61.1369e-69.5498e-74.7730e-72.1248e-72.3701e-56.6789e-62.6972e-73.4060e-845.7166
CARD GUHHZ2.9137e-64.5642e-72.3698e-71.0220e-76.0261e-88.8583e-69.9502e-78.1784e-89.1140e-948.1197
CARD GUHHN5.4102e-69.2080e-75.3616e-71.3758e-77.1335e-81.4428e-52.1672e-61.0883e-72.0842e-848.1197
CARD GUHHE7.4399e-61.4217e-66.5047e-71.6185e-79.0067e-82.6390e-51.7559e-61.5035e-72.9563e-848.1197
EQUI GUHHZ1.2990e-61.8162e-71.7422e-76.5094e-83.3574e-82.7302e-61.2308e-64.6234e-85.8103e-951.1237
EQUI GUHHN7.7074e-71.3039e-71.2464e-76.7498e-83.6146e-81.6298e-67.5409e-75.3936e-84.3819e-951.1237
EQUI GUHHE8.9799e-71.3035e-78.9098e-86.9759e-84.2760e-82.1929e-64.1337e-76.2652e-84.5537e-951.1237
MAIM GUHHZ6.2647e-71.2614e-71.0764e-75.9142e-82.4480e-81.5910e-67.7016e-73.4733e-84.6070e-958.9192
MAIM GUHHN8.4273e-72.1028e-72.0101e-71.1037e-73.4310e-83.2205e-61.3173e-64.4629e-85.9831e-958.9192
MAIM GUHHE8.4394e-71.6822e-71.5774e-77.9188e-83.4553e-82.2733e-68.2673e-74.0538e-85.0657e-958.9192
PLMA IVHHZ6.5007e-71.0377e-78.0244e-86.7939e-84.7401e-81.2872e-64.6705e-76.4902e-83.2129e-976.3239
PLMA IVHHN7.9866e-72.3061e-71.6764e-71.8307e-72.1444e-72.6321e-61.0195e-62.4339e-79.6157e-976.3239
PLMA IVHHE7.5164e-71.4480e-79.2501e-89.6995e-88.5842e-81.9009e-64.4095e-71.1999e-75.4897e-976.3239
PII IVHHZ8.1150e-71.4038e-71.2574e-74.6337e-82.3914e-82.1171e-65.1024e-73.1780e-83.9298e-978.3187
PII IVHHN9.1659e-72.1006e-71.8066e-76.4319e-82.4291e-82.4266e-61.2333e-63.0780e-84.7057e-978.3187
PII IVHHE8.2029e-72.3796e-72.1338e-78.4624e-83.2829e-82.4458e-61.3028e-64.5561e-86.6494e-978.3187
*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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