MANUAL Location - Area: Frignano , magnitude (ML): 1.5
2023-09-30 16:57:51 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2023-09-30 19:04:27

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Earthquake info - Manual location
Event - ID :230930165731
Magnitude (ML) :1.5 +/- 0.2
Origin Time :2023-09-30 16:57:51.896 (UTC)
Location : Latitude: 44.409 N, Longitude: 10.640 E
Area :Frignano
Depth (km) :9.85
Distances (km) : 5.5 --- Prignano sulla Secchia
6.0 --- Montefiorino
7.2 --- Toano
9.6 --- Palagano
9.7 --- Polinago
10.5 --- Baiso
11.0 --- Carpineti
12.1 --- Serramazzoni
13.3 --- Lama Mocogno
13.5 --- Castellarano
13.6 --- Frassinoro
14.5 --- Villa Minozzo
15.4 --- Viano
15.9 --- Casina
17.5 --- Pavullo nel Frignano
18.6 --- Sassuolo
18.8 --- Montecreto
19.2 --- Castelnovo ne Monti
19.7 --- Riolunato
20.0 --- Casalgrande

Quality location estimate: Erh: 0.7 km, Erz: 0.6 km, Nf: 28, Gap: 182 °, Rms: 0.15


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 16:57:54.8200.01100.021.752023-09-30 16:57:56.8710.0400-0.061.6613.0
ZCCAIV2023-09-30 16:57:58.6650.08030.071.442023-09-30 16:58:05.5090.04001.800.0029.5
SARMGU2023-09-30 16:57:58.4100.01800.270.472023-09-30 16:58:03.9320.04001.120.0033.2
BDIIV2023-09-30 16:57:59.4700.02110.071.492023-09-30 16:58:05.0100.12830.041.2740.1
POPMGU2023-09-30 16:57:59.9900.0221-0.021.672023-09-30 16:58:06.1500.13540.121.1142.8
CARDGU2023-09-30 16:58:00.2700.0432-0.021.632023-09-30 16:58:06.6100.14340.121.0945.5
FIVIGU2023-09-30 16:58:00.3950.02000.011.642023-09-30 16:58:06.5360.0400-0.021.4146.0
GRAMGU2023-09-30 16:58:00.8090.1085-0.051.432023-09-30 16:58:07.6790.17750.270.7347.7
EQUIGU2023-09-30 16:58:00.6000.0251-0.111.412023-09-30 16:58:07.1030.0400-0.011.3948.3
MAIMGU2023-09-30 16:58:02.0000.0291-0.270.782023-09-30 16:58:09.5180.0400-0.380.6557.3
CMEIT2023-09-30 16:58:01.9770.0200-0.410.472023-09-30 16:58:10.3140.04000.240.8058.2
SEIIV2023-09-30 16:58:05.0100.0361-0.141.242023-09-30 16:58:14.6930.0400-0.860.1370.3
PLMAIV2023-09-30 16:58:05.0300.0381-0.240.952023-09-30 16:58:14.5700.2296-0.290.8174.9
PIIIV2023-09-30 16:58:05.4900.0381-0.490.392023-09-30 16:58:15.3150.2386-0.860.2077.5


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
GSCL GUHH1.178.54e-113.0212
ZCCA IVHH1.433.44e-129.5103
SARM GUEH1.423.27e-133.2217
BDI IVHH1.785.43e-140.1185
POPM GUHH1.645.61e-142.8167
CARD GUHH1.602.19e-145.5196
FIVI GUHN1.551.90e-146.0245
GRAM GUHH1.432.48e-147.7282
EQUI GUHH0.964.50e-248.3235
MAIM GUHH1.336.56e-257.3192
CME ITHN1.601.34e-158.2208
SEI IVHH1.851.57e-170.3124
PLMA IVHH1.354.21e-274.9238
PII IVHH1.617.26e-277.5187


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 GUHHZ5.5580e-57.6470e-64.0195e-62.6696e-62.3882e-67.1847e-52.7425e-53.9154e-61.8884e-713.0212
GSCL GUHHN3.2343e-57.8933e-69.2851e-64.9975e-62.9504e-69.2189e-54.1479e-53.3324e-62.9049e-713.0212
GSCL GUHHE3.1193e-56.6044e-67.3116e-63.6509e-62.9914e-67.9319e-54.6330e-54.4152e-62.2193e-713.0212
ZCCA IVHHZ9.0085e-61.6279e-61.6526e-66.7777e-72.4451e-72.0363e-51.2816e-53.0743e-75.0894e-829.5103
ZCCA IVHHN7.8826e-62.2632e-62.8408e-61.7816e-66.7274e-72.1721e-52.3199e-57.8229e-78.7072e-829.5103
ZCCA IVHHE1.1177e-52.6800e-62.1732e-61.2406e-65.5634e-72.7532e-51.3715e-57.3597e-78.3149e-829.5103
SARM GUEHZ6.3452e-59.2288e-62.1185e-65.4088e-72.4604e-79.0058e-57.9921e-64.1798e-71.0832e-733.2217
SARM GUEHN3.6185e-54.5120e-62.1245e-61.2814e-67.0951e-77.2517e-56.7610e-67.9713e-78.4956e-833.2217
SARM GUEHE3.4154e-54.1650e-62.6785e-61.2625e-66.2891e-74.4431e-51.6954e-58.3813e-78.9502e-833.2217
BDI IVHHZ2.2589e-53.0916e-61.9702e-68.7763e-74.2247e-73.3060e-57.0725e-66.3651e-75.7485e-840.1185
BDI IVHHN2.0188e-56.6732e-64.9342e-62.0814e-69.9798e-78.6527e-53.1606e-51.2792e-61.6847e-740.1185
BDI IVHHE2.0811e-54.0783e-63.0767e-61.2938e-66.0753e-78.4211e-52.4518e-57.9351e-71.1265e-740.1185
POPM GUHHZ1.1395e-52.9261e-62.2219e-61.1760e-64.6389e-74.2461e-59.3741e-65.9067e-76.2199e-842.8167
POPM GUHHN1.6680e-56.7415e-64.8253e-62.2216e-68.6549e-74.3020e-52.8025e-51.2446e-61.7407e-742.8167
POPM GUHHE1.4258e-53.5718e-63.0753e-61.5499e-67.1286e-76.6783e-52.1809e-59.1619e-71.1211e-742.8167
CARD GUHHZ7.7158e-61.3510e-67.1577e-73.6312e-72.2007e-72.6412e-53.1284e-62.3700e-72.9452e-845.5196
CARD GUHHN1.7303e-52.7495e-61.6521e-64.1881e-71.9999e-74.2776e-56.4428e-62.9741e-76.0586e-845.5196
CARD GUHHE1.7528e-53.8417e-61.9246e-64.9163e-72.5510e-76.9685e-55.3022e-64.1841e-78.2720e-845.5196
FIVI GUHNZ2.7488e-53.6472e-61.4294e-64.4236e-72.3162e-74.7994e-53.8345e-63.4989e-76.5676e-846.0245
FIVI GUHNN1.3863e-52.5785e-62.0412e-67.8491e-72.9647e-72.8382e-58.4667e-63.9659e-76.4190e-846.0245
FIVI GUHNE8.8394e-62.0973e-61.4786e-66.1042e-72.9957e-73.6337e-57.7536e-63.8809e-75.4386e-846.0245
GRAM GUHHZ1.3437e-51.6280e-61.1266e-63.7060e-71.6580e-71.7376e-53.6751e-62.5025e-73.8947e-847.7282
GRAM GUHHN1.0232e-52.8500e-62.4414e-68.3689e-73.2914e-74.3337e-51.0765e-54.8898e-76.6102e-847.7282
GRAM GUHHE8.7827e-62.6841e-62.4830e-61.0094e-63.7449e-72.3443e-51.6720e-54.7057e-76.2967e-847.7282
EQUI GUHHZ3.5968e-65.3438e-75.2367e-71.8612e-78.5588e-87.1012e-63.6806e-61.1399e-71.5771e-848.3235
EQUI GUHHN1.9149e-63.9986e-73.9482e-71.9771e-79.3322e-84.5218e-62.3229e-61.3205e-71.2653e-848.3235
EQUI GUHHE2.6189e-63.6104e-72.1448e-79.6208e-84.6971e-85.5261e-61.2086e-66.3666e-87.8187e-948.3235
MAIM GUHHZ1.5805e-63.7634e-73.3364e-71.8817e-77.6745e-84.6911e-62.3592e-61.0366e-71.3525e-857.3192
MAIM GUHHN2.4063e-65.4369e-76.1492e-73.6502e-71.0957e-79.7360e-63.9028e-61.4009e-71.8948e-857.3192
MAIM GUHHE2.4446e-65.1063e-74.8375e-72.4195e-78.9702e-86.1804e-62.6147e-61.1562e-71.3842e-857.3192
CME ITHNZ3.9450e-68.2314e-77.8216e-73.8102e-71.8975e-78.6476e-63.7619e-62.5606e-72.2909e-858.2208
CME ITHNN6.8820e-61.6820e-61.3771e-64.0920e-72.1447e-71.4746e-54.6220e-63.3004e-74.6052e-858.2208
CME ITHNE5.4035e-61.0512e-69.3909e-74.4352e-71.8669e-71.4370e-53.4028e-62.5773e-72.9187e-858.2208
SEI IVHHZ1.8457e-66.9534e-77.0113e-73.2858e-71.0832e-73.9751e-63.3985e-61.4140e-71.9175e-870.3124
SEI IVHHN3.1402e-61.2635e-61.2363e-67.8466e-72.6405e-73.9574e-66.2108e-63.3857e-73.8146e-870.3124
SEI IVHHE3.6312e-68.4657e-79.2689e-75.6996e-71.8792e-73.5740e-68.1492e-62.3496e-72.4909e-870.3124
PLMA IVHHZ1.6099e-62.5005e-72.3350e-71.2028e-75.7015e-83.7283e-61.3961e-67.3501e-89.5448e-974.9238
PLMA IVHHN1.8218e-64.4970e-74.5359e-72.1766e-71.0832e-77.2026e-63.0559e-61.5053e-71.3586e-874.9238
PLMA IVHHE1.3786e-63.1525e-72.5204e-71.4897e-71.0067e-74.4401e-61.4918e-61.3228e-71.0818e-874.9238
PII IVHHZ1.7225e-64.7638e-73.7821e-71.3717e-77.3248e-84.6862e-61.6685e-69.5866e-81.2956e-877.5187
PII IVHHN2.4301e-65.8485e-75.0858e-71.8328e-77.7887e-86.5735e-63.4959e-61.0678e-71.3614e-877.5187
PII IVHHE2.5022e-67.1473e-76.5738e-72.5936e-71.0003e-76.2217e-63.9231e-61.4304e-72.0141e-877.5187
*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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