MANUAL Location - Area: Zona Piacenza , magnitude (ML): 1.5
2023-09-28 03:42:29 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2023-09-28 07:55:28

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Earthquake info - Manual location
Event - ID :230928034146
Magnitude (ML) :1.5 +/- 0.2
Origin Time :2023-09-28 03:42:29.577 (UTC)
Location : Latitude: 44.978 N, Longitude: 9.801 E
Area :Zona Piacenza
Depth (km) :28.91
Distances (km) : 2.8 --- Pontenure
4.3 --- Cadeo
5.5 --- San Giorgio Piacentino
6.9 --- Carpaneto Piacentino
9.3 --- Podenzano
9.8 --- Caorso
10.2 --- Fiorenzuola d Arda
10.5 --- Cortemaggiore
11.9 --- Piacenza
12.0 --- Besenzone
12.5 --- Vigolzone
12.6 --- San Pietro in Cerro
13.8 --- Caselle Landi
14.2 --- San Rocco al Porto
14.8 --- Castell Arquato
14.8 --- Gossolengo
15.8 --- Castelnuovo Bocca d Adda
15.9 --- Alseno
16.0 --- Meleti
16.1 --- Monticelli d Ongina

Quality location estimate: Erh: 1.4 km, Erz: 3.5 km, Nf: 31, Gap: 111 °, Rms: 0.91


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.
GORRGU2023-09-28 03:42:37.3840.0200-3.590.332023-09-28 03:42:44.8220.0400-5.160.0064.7
TRESNI2023-09-28 03:42:43.8800.1004-0.980.602023-09-28 03:42:56.3600.0400-0.041.7184.7
TBG02GU2023-09-28 03:42:40.1950.0200-3.460.382023-09-28 03:42:50.7650.0400-3.340.3385.0
RNCAGU2023-09-28 03:42:43.5300.1205-1.130.482023-09-28 03:42:52.9540.2005-2.840.1392.4
MDIIV2023-09-28 03:42:45.7310.0200-0.041.872023-09-28 03:42:58.7360.04000.451.1393.1
GSCLGU2023-09-28 03:42:46.5540.1004-0.780.722023-09-28 03:42:59.3670.0400-2.000.1798.0
EQUIGU2023-09-28 03:42:48.2780.08031.760.022023-09-28 03:42:57.9230.0400-1.620.0098.9
SARMGU2023-09-28 03:42:48.1680.02000.530.852023-09-28 03:42:59.8410.0400-1.800.21104.6
PLMAIV2023-09-28 03:42:47.4480.1205-0.051.792023-09-28 03:42:59.6890.5009-1.170.63107.2
GARGNI2023-09-28 03:42:48.0330.02000.071.842023-09-28 03:43:01.5460.0400-0.291.42108.1
PCPGU2023-09-28 03:42:48.3510.0200-0.081.802023-09-28 03:43:02.6510.13030.211.48114.3
BALDNI2023-09-28 03:42:48.6150.1004-0.550.942023-09-28 03:43:03.6860.0400-0.101.58115.8
CARDGU2023-09-28 03:42:50.5050.08030.341.372023-09-28 03:43:06.6040.16040.890.45122.4
BDIIV2023-09-28 03:42:50.7620.02000.131.752023-09-28 03:43:06.3220.0400-0.171.50123.4
MUGIOCH2023-09-28 03:42:48.6400.0200-1.450.002023-09-28 03:43:04.0690.0400-1.090.00124.1
POPMGU2023-09-28 03:42:52.2700.02000.251.552023-09-28 03:43:08.9680.04000.011.53131.8
MAIMGU2023-09-28 03:42:51.6790.0200-0.211.572023-09-28 03:43:08.0070.0400-0.740.90133.7
PIIIV2023-09-28 03:42:53.6870.0200-1.110.002023-09-28 03:43:11.4530.1604-2.250.00153.8


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
GORR GUHH1.396.64e-264.7224
TBG02GUEH1.373.39e-285.0221
RNCA GUHH1.262.19e-292.4230
MDI IVHH1.807.43e-293.1356
GSCL GUHH1.392.56e-298.0138
EQUI GUHH1.141.42e-298.9163
SARM GUEH1.382.61e-2104.6152
PLMA IVHH1.613.39e-2107.2178
PCP GUHH1.231.35e-2114.3244
CARD GUHH1.965.52e-2122.4153
BDI IVHH1.885.71e-2123.4148
MUGIOCHHH1.591.06e-2124.1331
POPM GUHH1.553.64e-2131.8144
MAIM GUHH1.591.67e-2133.7155
PII IVHH1.661.50e-2153.8157


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.
(°)
GORR GUHHZ2.4353e-64.9519e-74.0909e-71.8464e-79.4139e-84.9989e-61.9838e-61.1544e-71.4415e-864.7224
GORR GUHHN2.0393e-64.9952e-76.4544e-73.3707e-71.3252e-75.5385e-63.8388e-61.8893e-72.0579e-864.7224
GORR GUHHE2.5195e-67.0599e-75.4454e-72.3566e-71.1994e-77.0044e-62.0479e-61.6750e-72.0342e-864.7224
TBG02GUEHZ1.1224e-62.9697e-72.6434e-71.8330e-76.5571e-81.9661e-62.0386e-68.5361e-87.4922e-985.0221
TBG02GUEHN1.5228e-63.5102e-73.3866e-71.4132e-76.6445e-83.5253e-61.9169e-69.0704e-81.0424e-885.0221
TBG02GUEHE1.9839e-64.5138e-73.2520e-71.8614e-71.1758e-75.5397e-61.2811e-61.6048e-71.0678e-885.0221
RNCA GUHHZ7.5790e-71.6522e-71.3116e-78.9768e-89.2384e-81.3066e-67.6287e-71.3527e-76.6942e-992.4230
RNCA GUHHN7.8557e-71.8586e-71.7281e-78.2406e-85.0948e-81.8990e-61.1517e-67.0599e-86.6544e-992.4230
RNCA GUHHE1.1606e-62.2156e-72.0882e-77.9137e-83.9930e-82.3182e-68.4946e-75.4113e-86.3200e-992.4230
MDI IVHHZ1.2772e-63.6569e-73.3329e-71.2754e-76.1353e-83.8566e-62.9773e-68.6501e-81.0470e-893.1356
MDI IVHHN2.4785e-66.0364e-76.2678e-73.4306e-71.4303e-77.7970e-64.0129e-61.7307e-72.0845e-893.1356
MDI IVHHE2.4765e-66.4618e-75.0902e-72.4500e-79.3519e-87.7126e-62.2657e-61.3325e-71.7962e-893.1356
GSCL GUHHZ2.1193e-79.6880e-85.6286e-89.1877e-87.3971e-83.0621e-72.7912e-78.7555e-84.4691e-998.0138
GSCL GUHHN3.1110e-71.1854e-71.0369e-77.4457e-84.9042e-87.1328e-79.6855e-75.7059e-83.9598e-998.0138
GSCL GUHHE4.4088e-71.9137e-71.4677e-71.2901e-71.1989e-74.7867e-71.5019e-62.2646e-78.4848e-998.0138
EQUI GUHHZ4.8253e-71.3594e-71.0451e-77.7393e-84.0515e-81.2300e-64.2770e-74.2640e-83.4026e-998.9163
EQUI GUHHN4.3726e-71.1965e-71.2404e-71.0359e-74.9966e-81.1506e-67.5859e-75.0807e-83.6710e-998.9163
EQUI GUHHE4.3041e-79.4759e-81.0606e-77.6969e-84.0282e-81.0135e-65.4470e-75.1937e-83.6068e-998.9163
SARM GUEHZ4.0694e-71.4576e-71.3939e-76.9141e-85.7995e-87.0000e-71.2228e-68.2654e-84.8929e-9104.6152
SARM GUEHN7.1389e-71.8581e-71.9074e-71.4825e-75.6538e-81.5712e-68.4207e-76.9099e-86.7045e-9104.6152
SARM GUEHE6.0452e-72.3275e-71.9452e-78.3413e-84.4176e-81.6099e-61.8286e-64.9756e-86.6652e-9104.6152
PLMA IVHHZ3.9798e-71.0235e-71.0055e-76.6712e-84.0935e-87.6768e-75.0215e-75.1297e-84.6736e-9107.2178
PLMA IVHHN7.4719e-72.2610e-72.1254e-78.8396e-85.3864e-81.8867e-61.7370e-66.0797e-85.8174e-9107.2178
PLMA IVHHE9.0109e-73.0527e-72.6330e-71.5694e-76.9912e-82.1693e-61.8114e-68.2603e-89.8302e-9107.2178
GARG NIEHZ3.2359e-67.3029e-76.4123e-72.7669e-71.2614e-71.1648e-53.9562e-61.6140e-72.1705e-8108.140
GARG NIEHN3.4319e-68.1194e-78.4862e-73.8943e-71.5590e-71.1430e-54.8216e-61.7874e-72.1019e-8108.140
GARG NIEHE2.5967e-69.3602e-78.5393e-73.7552e-71.6388e-77.4062e-67.9621e-61.9382e-72.7069e-8108.140
PCP GUHHZ2.2800e-76.1967e-86.1445e-84.4319e-81.9055e-85.8481e-73.3013e-72.8209e-82.2436e-9114.3244
PCP GUHHN2.8121e-78.8035e-89.2657e-86.8253e-82.8253e-85.5353e-73.7103e-73.7531e-83.4941e-9114.3244
PCP GUHHE2.7354e-71.0722e-79.3840e-86.9302e-82.5951e-87.7568e-75.7473e-73.0863e-83.5451e-9114.3244
BALD NIHHZ1.2196e-63.3720e-72.9461e-71.4254e-78.0031e-83.8164e-62.5887e-68.8323e-81.1251e-8115.845
BALD NIHHN2.9759e-61.0449e-67.2313e-73.9364e-72.0058e-78.6666e-65.3404e-62.7223e-73.1969e-8115.845
BALD NIHHE3.4391e-61.0172e-68.1391e-76.6624e-72.6614e-77.4133e-63.6746e-63.2590e-73.3663e-8115.845
CARD GUHHZ1.8414e-62.4021e-71.4839e-75.0070e-82.7232e-83.6165e-68.0715e-73.0286e-85.5688e-9122.4153
CARD GUHHN2.2701e-64.3034e-73.7597e-71.9792e-71.1355e-74.6470e-61.5552e-61.1585e-71.5933e-8122.4153
CARD GUHHE2.1238e-66.2897e-74.1409e-71.4739e-77.6083e-85.4764e-62.4106e-61.1698e-71.7312e-8122.4153
BDI IVHHZ6.5889e-71.9659e-71.4176e-75.2486e-82.6205e-81.4406e-61.0198e-63.4039e-85.4628e-9123.4148
BDI IVHHN1.5369e-65.5720e-73.6507e-72.7606e-71.2973e-75.0133e-62.8618e-61.6729e-71.2087e-8123.4148
BDI IVHHE1.0544e-63.1873e-72.8400e-71.1032e-75.2586e-82.8903e-62.9182e-66.7989e-89.5587e-9123.4148
MUGIOCHHHZ4.2914e-79.2963e-88.0930e-85.6421e-82.1560e-81.1451e-64.7231e-72.9926e-82.7865e-9124.1331
MUGIOCHHHN5.2199e-79.2155e-87.5931e-84.4153e-81.7584e-81.4044e-63.9986e-72.5819e-82.6192e-9124.1331
MUGIOCHHHE4.2860e-78.0298e-87.0741e-85.1442e-82.6831e-81.1096e-64.2565e-72.9819e-82.9518e-9124.1331
POPM GUHHZ4.9466e-71.0077e-76.9714e-83.9021e-81.7236e-81.5784e-63.3131e-72.3071e-82.6939e-9131.8144
POPM GUHHN1.4570e-63.6142e-72.2690e-71.1251e-75.2515e-81.5190e-61.1643e-66.9706e-89.2010e-9131.8144
POPM GUHHE6.9048e-72.4623e-71.5438e-78.4902e-83.9897e-81.1122e-69.8288e-75.0626e-86.9941e-9131.8144
MAIM GUHHZ3.7563e-79.0655e-87.5055e-83.7340e-82.0659e-88.9774e-75.4163e-72.6229e-82.5451e-9133.7155
MAIM GUHHN7.7092e-71.7650e-71.3654e-75.4802e-83.1539e-81.5341e-61.2443e-64.2261e-85.3099e-9133.7155
MAIM GUHHE5.6344e-71.4163e-71.3516e-77.1425e-84.6179e-81.3599e-69.8183e-75.3121e-84.8945e-9133.7155
PII IVHHZ3.4454e-71.0529e-77.2707e-82.9891e-81.4353e-88.2646e-75.6422e-71.7879e-82.5562e-9153.8157
PII IVHHN3.1669e-71.0677e-78.9757e-84.0626e-81.4650e-86.5573e-76.2540e-71.8539e-82.6591e-9153.8157
PII IVHHE3.3134e-71.1738e-71.0334e-74.8617e-82.4473e-86.7303e-71.1316e-62.7938e-83.0604e-9153.8157
*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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