MANUAL Location - Area: Frignano , magnitude (ML): 0.6
2023-03-01 18:50:48 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2023-03-02 08:48:41

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Earthquake info - Manual location
Event - ID :230301184946
Magnitude (ML) :0.6 +/- 0.2
Origin Time :2023-03-01 18:50:48.781 (UTC)
Location : Latitude: 44.318 N, Longitude: 10.342 E
Area :Frignano
Depth (km) :-0.49
Distances (km) : 0.1 --- Ligonchio
5.9 --- Busana
6.3 --- Collagna
10.9 --- Sillano
11.2 --- Villa Minozzo
11.7 --- Ramiseto
14.0 --- Castelnovo ne Monti
14.1 --- Giuncugnano
15.2 --- Piazza al Serchio
16.4 --- San Romano in Garfagnana
17.3 --- Comano
17.7 --- Camporgiano
17.8 --- Palanzano
18.1 --- Villa Collemandina
18.5 --- Casola in Lunigiana
18.5 --- Frassinoro
18.6 --- Toano
18.6 --- Vetto
19.4 --- Fivizzano
19.4 --- Castiglione di Garfagnana

Quality location estimate: Erh: 0.5 km, Erz: 1.2 km, Nf: 24, Gap: 129 °, Rms: 0.13


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.
SARMGU2023-03-01 18:50:52.2920.01100.061.542023-03-01 18:50:54.8020.0501-0.021.7215.6
FIVIGU2023-03-01 18:50:52.7810.02000.041.682023-03-01 18:50:55.5900.0400-0.001.7119.2
GSCLGU2023-03-01 18:50:53.2950.0200-0.440.052023-03-01 18:50:56.3700.0400-1.050.1319.9
EQUIGU2023-03-01 18:50:53.2100.0130-0.101.392023-03-01 18:50:56.5520.0400-0.011.6622.7
GRAMGU2023-03-01 18:50:54.6100.0673-0.091.392023-03-01 18:50:58.8180.09220.051.2529.2
CARDGU2023-03-01 18:50:55.3450.0200-0.021.782023-03-01 18:51:00.1170.1002-0.121.0934.3
BDIIV2023-03-01 18:50:55.5800.0251-0.041.722023-03-01 18:51:00.6800.10630.001.2134.9
POPMGU2023-03-01 18:50:57.3930.02000.011.632023-03-01 18:51:03.7120.17550.020.9344.9
MAIMGU2023-03-01 18:50:57.5850.1506-0.071.122023-03-01 18:51:03.1860.0400-1.030.1446.6
PLMAGU2023-03-01 18:50:58.2630.0200-0.021.592023-03-01 18:51:03.6200.0400-1.570.0149.1
ZCCAIV2023-03-01 18:51:00.3500.02000.630.032023-03-01 18:51:08.6000.36070.980.0950.5
PIIIV2023-03-01 18:51:03.0160.08031.380.022023-03-01 18:51:10.3990.0400-0.850.1267.9


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
SARM GUEH0.177.32e-215.6163
FIVI GUHN0.711.46e-119.2243
GSCL GUHH0.427.03e-219.979
GRAM GUHH0.548.23e-229.2311
CARD GUHH0.765.56e-234.3161
BDI IVHH0.624.90e-234.9144
POPM GUHH0.604.59e-244.9132
MAIM GUHH0.642.04e-246.6165
PLMA GUHH0.611.89e-249.1233
ZCCA IVHH0.621.88e-250.586
PII IVHH0.681.17e-267.9168


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.
(°)
SARM GUEHZ9.6424e-68.3838e-74.8512e-71.4154e-77.6706e-81.4178e-52.7520e-61.0512e-72.0472e-815.6163
SARM GUEHN7.1631e-68.2477e-76.4332e-72.3915e-71.0921e-78.8128e-63.1646e-61.4351e-72.2479e-815.6163
SARM GUEHE5.9438e-69.1595e-75.1592e-72.2912e-78.5660e-81.0204e-52.4506e-61.1424e-71.6556e-815.6163
FIVI GUHNZ1.9410e-52.2870e-61.2955e-64.1523e-72.0944e-72.8181e-54.6909e-63.2231e-75.2296e-819.2243
FIVI GUHNN1.0431e-52.5173e-61.4152e-63.8510e-72.0283e-73.1152e-55.9608e-62.9239e-76.3669e-819.2243
FIVI GUHNE1.7449e-51.6688e-61.0843e-64.4099e-72.7298e-73.8344e-53.7907e-63.8118e-74.6385e-819.2243
GSCL GUHHZ3.7518e-65.3991e-73.0533e-71.4081e-76.1739e-84.2023e-61.1477e-67.0364e-81.2440e-819.979
GSCL GUHHN5.2364e-67.4386e-75.9939e-72.2271e-79.2885e-81.2122e-52.9447e-61.2735e-72.1433e-819.979
GSCL GUHHE2.9694e-69.9842e-76.2711e-72.3803e-71.0225e-79.0208e-62.3415e-61.4292e-72.3629e-819.979
EQUI GUHHZ4.9174e-65.7460e-71.1300e-75.7076e-82.9555e-83.9848e-66.5783e-73.3369e-86.2526e-922.7222
EQUI GUHHN2.5572e-62.6578e-71.1827e-77.0525e-85.2827e-83.1897e-67.7823e-75.0375e-84.8803e-922.7222
EQUI GUHHE3.3586e-63.8439e-71.3804e-76.3141e-83.9836e-84.2792e-69.3740e-74.6062e-86.0661e-922.7222
GRAM GUHHZ3.4063e-64.2406e-72.8038e-71.0581e-76.1136e-86.8928e-61.3726e-68.5465e-81.2677e-829.2311
GRAM GUHHN5.2953e-61.0998e-67.4297e-71.9655e-71.0061e-71.4296e-54.1741e-61.4512e-72.7763e-829.2311
GRAM GUHHE3.7453e-67.9553e-76.5928e-72.2506e-78.8229e-81.1014e-53.5981e-61.2815e-72.1159e-829.2311
CARD GUHHZ4.2138e-66.5230e-71.9930e-75.5475e-83.3226e-81.5943e-56.0314e-75.6537e-81.4648e-834.3161
CARD GUHHN7.6744e-61.3235e-64.5564e-71.1301e-76.9977e-82.3534e-51.3018e-61.2244e-72.6304e-834.3161
CARD GUHHE4.3177e-69.3235e-74.4597e-71.0281e-75.0770e-81.4132e-51.1332e-68.6940e-82.1510e-834.3161
BDI IVHHZ2.5653e-64.1380e-72.2503e-77.7188e-83.5246e-86.4483e-61.3797e-65.4258e-81.0064e-834.9144
BDI IVHHN3.9541e-68.0001e-73.8362e-71.0874e-75.6658e-86.9150e-63.5461e-69.0019e-81.9420e-834.9144
BDI IVHHE3.2651e-65.6646e-73.1642e-79.2509e-84.7928e-89.9502e-61.5525e-67.3547e-81.0069e-834.9144
POPM GUHHZ2.0042e-63.7106e-71.9237e-75.4108e-82.3060e-87.7251e-67.2966e-73.6362e-87.9597e-944.9132
POPM GUHHN3.4422e-67.0750e-74.8349e-71.3365e-75.7305e-89.1109e-62.1627e-67.8861e-81.5444e-844.9132
POPM GUHHE3.4406e-66.8453e-74.3578e-71.0110e-74.9583e-87.5840e-61.8455e-68.0732e-81.6435e-844.9132
MAIM GUHHZ4.7338e-79.0239e-87.8954e-84.8695e-81.7474e-81.2112e-63.4585e-72.3492e-83.0759e-946.6165
MAIM GUHHN8.2475e-72.0386e-71.6236e-71.0496e-76.8127e-82.4292e-68.8050e-71.0212e-72.3955e-846.6165
MAIM GUHHE8.0088e-72.1708e-71.5350e-77.6400e-83.5415e-82.8956e-61.0620e-63.8478e-85.6940e-946.6165
PLMA GUHHZ1.1740e-61.3299e-77.8815e-87.1700e-84.6908e-82.0489e-64.0173e-75.4094e-84.3961e-949.1233
PLMA GUHHN1.8602e-63.3545e-71.4988e-79.3135e-87.8185e-84.8160e-65.0863e-71.4025e-76.9465e-949.1233
PLMA GUHHE2.1122e-62.3820e-71.2478e-79.7363e-88.3342e-85.1777e-67.2647e-71.0304e-76.3775e-949.1233
ZCCA IVHHZ2.5867e-79.3184e-81.0481e-75.8027e-82.6723e-89.9942e-77.2061e-72.9338e-84.9337e-950.586
ZCCA IVHHN3.1581e-71.0506e-71.1144e-78.0350e-82.6460e-85.8633e-77.3724e-73.7483e-85.1751e-950.586
ZCCA IVHHE3.3788e-71.2908e-71.1707e-79.2830e-85.6722e-87.6338e-78.1849e-77.8975e-83.7798e-850.586
PII IVHHZ7.5116e-71.0808e-78.3613e-82.7520e-81.2448e-81.6079e-64.8060e-71.9656e-82.7413e-967.9168
PII IVHHN5.7162e-71.0293e-78.9815e-83.3028e-81.4956e-81.9996e-64.2891e-72.1081e-82.7600e-967.9168
PII IVHHE6.8863e-71.4414e-71.1432e-74.2437e-81.8434e-82.6136e-65.9519e-72.6057e-83.8779e-967.9168
*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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