MANUAL Location - Area: Frignano , magnitude (ML): 1.0
2023-09-30 02:33:40 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2023-09-30 18:38:26

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Earthquake info - Manual location
Event - ID :230930023321
Magnitude (ML) :1.0 +/- 0.2
Origin Time :2023-09-30 02:33:40.133 (UTC)
Location : Latitude: 44.432 N, Longitude: 10.107 E
Area :Frignano
Depth (km) :42.64
Distances (km) : 2.5 --- Monchio delle Corti
5.2 --- Corniglio
6.8 --- Palanzano
12.4 --- Tizzano Val Parma
12.9 --- Berceto
13.8 --- Ramiseto
15.5 --- Bagnone
15.5 --- Comano
16.3 --- Collagna
17.4 --- Filattiera
18.6 --- Busana
18.7 --- Pontremoli
19.0 --- Calestano
19.1 --- Licciana Nardi
19.4 --- Vetto
19.7 --- Villafranca in Lunigiana
20.0 --- Terenzo
21.4 --- Fivizzano
21.4 --- Mulazzo
22.6 --- Ligonchio

Quality location estimate: Erh: 2.9 km, Erz: 1.7 km, Nf: 36, Gap: 129 °, Rms: 0.29


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.
GRAMGU2023-09-30 02:33:47.2460.0200-0.271.392023-09-30 02:33:53.1140.04000.021.4844.1
FIVIGU2023-09-30 02:33:48.1090.02000.031.582023-09-30 02:33:54.8010.04000.850.4148.1
AULIT2023-09-30 02:33:48.5730.02000.001.612023-09-30 02:33:56.1450.04001.330.1150.4
EQUIGU2023-09-30 02:33:48.7200.0271-0.121.532023-09-30 02:33:55.7500.10020.520.4852.3
SARMGU2023-09-30 02:33:49.3500.0281-0.391.212023-09-30 02:33:57.2800.26670.540.6256.7
GSCLGU2023-09-30 02:33:50.1720.0200-0.421.112023-09-30 02:33:57.6070.0400-0.670.4158.5
CARIT2023-09-30 02:33:49.8960.0200-0.381.242023-09-30 02:33:57.5700.0400-0.221.4561.5
PLMAIV2023-09-30 02:33:50.6300.03310.071.412023-09-30 02:33:58.2040.2036-0.071.3363.4
MSSAIV2023-09-30 02:33:50.6100.0371-0.351.302023-09-30 02:33:58.6300.1955-0.341.1665.2
CARDGU2023-09-30 02:33:51.4800.03610.041.472023-09-30 02:34:00.4100.21960.770.4669.1
CMEIT2023-09-30 02:33:51.7100.02000.061.432023-09-30 02:33:59.7670.0400-0.361.2070.0
BDIIV2023-09-30 02:33:51.8700.0361-0.031.572023-09-30 02:34:01.3910.22360.990.3571.4
MAIMGU2023-09-30 02:33:52.6300.0200-0.281.412023-09-30 02:34:01.7850.0400-0.520.8178.1
POPMGU2023-09-30 02:33:53.4800.04120.180.992023-09-30 02:34:03.7500.24960.840.4379.9
TBG02GU2023-09-30 02:33:53.8430.0200-0.091.562023-09-30 02:34:04.1390.04000.400.6787.8
LSG06LK2023-09-30 02:33:54.2360.0200-0.011.522023-09-30 02:34:04.8960.04000.670.4989.9
ARV10LK2023-09-30 02:33:54.2380.1004-0.281.382023-09-30 02:34:05.4530.04000.780.4593.3
PIIIV2023-09-30 02:33:54.5200.0200-1.270.012023-09-30 02:34:05.0850.0400-2.480.0095.7


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
GRAM GUHH1.231.83e-144.1334
FIVI GUHN1.106.22e-248.1176
SARM GUEH0.692.08e-256.7139
GSCL GUHH0.661.52e-258.5103
PLMA IVHH0.972.52e-263.4205
CARD GUHH1.133.09e-269.1146
BDI IVHH0.982.57e-271.4136
MAIM GUHH0.891.21e-278.1152
POPM GUHH0.922.87e-279.9129
TBG02GUEH1.433.64e-287.8271
PII IVHH0.918.98e-395.7157


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.
(°)
GRAM GUHHZ4.7024e-68.7626e-75.0481e-71.2575e-77.5192e-81.2289e-52.5931e-61.2057e-71.8016e-844.1334
GRAM GUHHN1.1259e-52.4043e-61.3598e-66.0103e-73.3423e-72.5411e-59.3670e-64.7728e-76.2293e-844.1334
GRAM GUHHE6.6170e-61.7499e-61.6086e-66.6964e-72.6113e-71.4662e-51.0382e-53.4779e-74.1375e-844.1334
FIVI GUHNZ5.3165e-66.5870e-74.1312e-72.3359e-71.3050e-71.4107e-51.3471e-61.5036e-71.8776e-848.1176
FIVI GUHNN3.1356e-66.5831e-74.4986e-73.4553e-71.6547e-78.7107e-61.9481e-62.1348e-71.7415e-848.1176
FIVI GUHNE2.5524e-65.2811e-74.5852e-72.4981e-71.0935e-78.1742e-61.6228e-61.3664e-71.6982e-848.1176
EQUI GUHHZ1.1615e-61.4120e-78.4575e-84.1988e-81.6978e-82.8544e-64.8825e-72.0319e-83.7204e-952.3173
EQUI GUHHN1.2627e-61.7223e-79.5114e-85.8496e-82.3193e-83.7074e-64.8398e-72.7865e-83.5254e-952.3173
EQUI GUHHE1.2426e-61.4472e-79.3590e-87.9116e-84.9886e-82.8541e-65.0654e-75.8227e-84.0779e-952.3173
SARM GUEHZ6.3130e-71.0447e-77.8190e-83.1279e-81.3994e-81.8415e-65.7644e-71.8136e-82.7366e-956.7139
SARM GUEHN7.0306e-71.8537e-71.5432e-71.2074e-73.6990e-81.4298e-67.9367e-75.1207e-85.8248e-956.7139
SARM GUEHE6.5697e-71.6399e-71.2198e-76.1940e-83.1006e-81.4265e-67.2508e-73.9793e-84.5054e-956.7139
GSCL GUHHZ2.3301e-75.5748e-84.5313e-82.8009e-81.2362e-85.9884e-72.0796e-71.5816e-81.2427e-958.5103
GSCL GUHHN5.9928e-71.2308e-71.1742e-76.5089e-82.9000e-86.9048e-76.3994e-73.6386e-83.9741e-958.5103
GSCL GUHHE4.3283e-71.0653e-71.0690e-75.8158e-82.3135e-85.7271e-77.1163e-73.3034e-83.0487e-958.5103
CAR ITHNZ2.2817e-64.5187e-74.1256e-73.1223e-71.5750e-77.5253e-62.0746e-62.0661e-71.3862e-861.5242
CAR ITHNN5.7112e-61.1202e-66.4394e-73.1386e-71.4197e-71.5939e-53.2271e-62.2705e-72.8641e-861.5242
CAR ITHNE4.7045e-67.2566e-74.8600e-72.8379e-71.6982e-77.5087e-62.4386e-62.0024e-72.1604e-861.5242
PLMA IVHHZ2.4533e-62.3024e-71.0264e-75.8601e-83.6823e-83.7351e-64.0128e-73.8988e-84.4567e-963.4205
PLMA IVHHN2.7264e-64.6768e-72.5580e-71.0260e-75.3430e-84.9107e-61.0212e-66.7699e-81.1394e-863.4205
PLMA IVHHE2.3014e-63.4736e-72.1636e-76.5286e-83.5605e-84.1457e-66.0321e-75.4209e-88.6974e-963.4205
MSSA IVHHZ6.0444e-68.8185e-73.3840e-79.0672e-84.9629e-83.0838e-51.0811e-69.9505e-82.0583e-865.2255
MSSA IVHHN1.0830e-51.7675e-68.4992e-71.5295e-79.5606e-85.7808e-52.2087e-61.7118e-73.8223e-865.2255
MSSA IVHHE1.9001e-53.0704e-61.3161e-62.5024e-71.5461e-79.0796e-53.2981e-62.8779e-76.5530e-865.2255
CARD GUHHZ1.8276e-62.5305e-79.5007e-83.2648e-81.7388e-84.0453e-63.7975e-72.6315e-85.3439e-969.1146
CARD GUHHN3.4725e-65.8138e-72.5751e-78.3285e-83.6474e-87.8288e-61.1035e-66.2211e-81.1989e-869.1146
CARD GUHHE3.1514e-65.3182e-73.0006e-77.9053e-83.8573e-89.4807e-61.1889e-66.1577e-81.1790e-869.1146
CME ITHNZ2.3773e-63.9175e-73.0190e-72.5533e-71.6101e-74.5221e-61.5284e-62.3559e-71.4104e-870.0164
CME ITHNN2.7384e-66.2671e-75.7621e-75.2284e-74.2699e-76.7558e-63.2779e-65.7926e-72.9000e-870.0164
CME ITHNE2.9436e-66.7266e-74.7149e-73.4566e-72.2121e-76.2337e-62.6276e-63.2269e-71.8748e-870.0164
BDI IVHHZ1.3353e-62.1797e-71.5685e-75.0247e-82.5711e-82.6151e-69.5090e-73.4413e-85.5518e-971.4136
BDI IVHHN1.8053e-63.3444e-72.2135e-76.0885e-83.0277e-84.9632e-61.3733e-64.5273e-87.8026e-971.4136
BDI IVHHE1.2579e-63.1090e-72.5099e-77.2563e-83.7395e-84.8949e-61.9078e-65.1785e-87.2956e-971.4136
MAIM GUHHZ6.5461e-78.1708e-85.8993e-83.4846e-81.6241e-81.1740e-62.9542e-72.1303e-82.4676e-978.1152
MAIM GUHHN9.5770e-71.1960e-77.5822e-84.3685e-83.3407e-81.8948e-63.8093e-74.3843e-84.2531e-978.1152
MAIM GUHHE8.5677e-71.2721e-79.0925e-84.6540e-82.0551e-82.0467e-65.2222e-72.5614e-83.0501e-978.1152
POPM GUHHZ1.0262e-62.1388e-71.8653e-76.2961e-82.5283e-82.6172e-67.8247e-73.6668e-85.6273e-979.9129
POPM GUHHN1.7883e-62.9740e-72.3269e-77.9109e-83.2515e-83.5871e-69.2775e-74.7234e-88.3914e-979.9129
POPM GUHHE1.6603e-63.7328e-73.0392e-78.3552e-84.6702e-84.1471e-61.5276e-66.9169e-89.8214e-979.9129
TBG02GUEHZ8.8864e-72.0718e-71.5076e-75.4215e-82.9315e-83.1478e-68.6746e-73.6470e-86.2453e-987.8271
TBG02GUEHN1.2392e-63.6123e-72.9319e-71.0352e-75.0775e-85.0307e-61.9671e-67.0199e-81.0694e-887.8271
TBG02GUEHE2.3808e-64.6993e-74.0750e-78.8166e-84.8320e-88.9085e-62.1913e-66.6506e-81.1019e-887.8271
LSG06LKEHZ3.0580e-65.4901e-74.6631e-75.9972e-76.0105e-76.8842e-61.8503e-61.0802e-64.2678e-889.9273
LSG06LKEHN4.4444e-59.1553e-65.1659e-61.0435e-58.8008e-63.7954e-52.3303e-51.2610e-54.5156e-789.9273
LSG06LKEHE3.3500e-65.4730e-74.1388e-72.0078e-71.9218e-77.0437e-61.4739e-63.8151e-71.6898e-889.9273
ARV10LKEHZ1.0184e-63.0322e-71.5307e-72.2902e-73.5980e-72.0043e-68.0091e-77.5996e-73.1582e-893.3270
ARV10LKEHN1.4282e-64.0684e-72.9541e-71.6684e-71.2219e-73.9514e-61.4636e-62.2131e-71.1229e-893.3270
ARV10LKEHE1.2449e-62.9687e-72.4621e-71.4147e-71.2457e-73.0387e-61.7476e-62.2632e-79.3607e-993.3270
PII IVHHZ6.3217e-71.1002e-77.2500e-82.2315e-81.2883e-81.3416e-63.0257e-72.0055e-82.5053e-995.7157
PII IVHHN5.7605e-71.2121e-77.8537e-82.6670e-81.2556e-81.3686e-64.0627e-71.8388e-83.0960e-995.7157
PII IVHHE8.7529e-71.1022e-78.0224e-82.8632e-81.3739e-81.8704e-64.3273e-71.6382e-82.5518e-995.7157
*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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