MANUAL Location - Area: Lunigiana , magnitude (ML): 0.9
2022-01-24 01:51:45 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2022-01-24 08:07:49

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Earthquake info - Manual location
Event - ID :220124015119
Magnitude (ML) :0.9 +/- 0.2
Origin Time :2022-01-24 01:51:45.264 (UTC)
Location : Latitude: 44.157 N, Longitude: 9.938 E
Area :Lunigiana
Depth (km) :9.55
Distances (km) : 1.9 --- Santo Stefano di Magra
4.6 --- Vezzano Ligure
4.9 --- Arcola
4.9 --- Bolano
5.3 --- Sarzana
5.8 --- Podenzana
6.1 --- Follo
6.8 --- Aulla
6.9 --- Fosdinovo
8.9 --- Castelnuovo Magra
9.2 --- Lerici
9.6 --- Tresana
10.1 --- Ameglia
11.0 --- La Spezia
11.3 --- Ortonovo
12.6 --- Calice al Cornoviglio
13.7 --- Portovenere
13.9 --- Ricco del Golfo di Spezia
14.2 --- Beverino
14.6 --- Licciana Nardi

Quality location estimate: Erh: 1.2 km, Erz: 0.9 km, Nf: 30, Gap: 82 °, Rms: 0.32


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.
PLMAGU2022-01-24 01:51:48.5800.00800.001.842022-01-24 01:51:50.4700.0501-0.541.0616.7
EQUIGU2022-01-24 01:51:49.2200.0100-0.021.772022-01-24 01:51:51.7000.0581-0.420.9819.8
FIVIGU2022-01-24 01:51:49.3810.02000.161.042022-01-24 01:51:51.9910.0400-0.051.5620.2
SARMGU2022-01-24 01:51:52.4900.01900.041.742022-01-24 01:51:57.4650.2366-0.331.0838.5
MSSAIV2022-01-24 01:51:51.9700.0231-0.521.082022-01-24 01:51:56.3900.1093-1.600.1239.3
GRAMGU2022-01-24 01:51:52.5300.01800.071.672022-01-24 01:51:56.2500.2747-1.210.2839.9
CARDGU2022-01-24 01:51:53.9800.02410.500.442022-01-24 01:51:59.3400.1444-0.241.1046.9
MAIMGU2022-01-24 01:51:55.0500.02710.350.682022-01-24 01:52:01.2500.1635-0.490.9752.8
BDIIV2022-01-24 01:51:55.3070.02000.420.602022-01-24 01:52:02.0400.16750.011.2754.6
GSCLGU2022-01-24 01:51:55.6260.0200-0.501.052022-01-24 01:52:03.1600.2907-0.900.5656.9
POPMGU2022-01-24 01:51:57.0400.05820.091.462022-01-24 01:52:05.7330.30070.061.0967.3
PIIIV2022-01-24 01:51:56.4500.0351-0.830.482022-01-24 01:52:05.7860.4178-0.470.9268.1
GORRGU2022-01-24 01:51:57.0700.0351-0.770.592022-01-24 01:52:06.1600.2517-1.470.1972.4
RNCAGU2022-01-24 01:52:00.0430.02000.001.462022-01-24 01:52:10.0300.2527-0.361.0486.5
PCPGU2022-01-24 01:52:05.2580.02000.330.872022-01-24 01:52:18.4200.3597-0.101.00119.1


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
PLMA GUHH1.124.73e-116.7210
EQUI GUHH0.488.23e-219.887
FIVI GUHN0.651.17e-120.259
GRAM GUHH0.838.79e-239.915
CARD GUHH1.311.07e-146.9108
MAIM GUHH0.842.53e-252.8121
BDI IVHH0.792.96e-254.6101
GSCL GUHH0.812.24e-256.967
POPM GUHH0.924.16e-267.3101
PII IVHH1.072.80e-268.1136
GORR GUHH0.982.00e-272.4315
RNCA GUHH1.262.57e-286.5294
PCP GUHH0.976.70e-3119.1292


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.
(°)
PLMA GUHHZ2.6531e-53.7291e-61.0501e-63.1623e-71.8222e-73.9163e-54.2102e-63.2595e-77.1810e-816.7210
PLMA GUHHN7.0893e-58.0307e-61.8552e-67.1871e-73.3131e-77.8377e-58.9992e-65.9646e-71.3094e-716.7210
PLMA GUHHE4.7728e-57.6521e-63.1859e-61.1091e-66.9367e-78.6182e-51.4745e-51.1116e-61.7770e-716.7210
EQUI GUHHZ1.0692e-51.2034e-63.5812e-71.1722e-75.9396e-81.3024e-52.1333e-69.8639e-82.4039e-819.887
EQUI GUHHN1.3954e-51.4975e-65.5565e-72.0001e-71.0100e-71.4616e-53.8581e-61.5793e-72.9320e-819.887
EQUI GUHHE1.6027e-51.8976e-66.4626e-71.7257e-71.0313e-71.7845e-52.5049e-61.7598e-73.4679e-819.887
FIVI GUHNZ1.9922e-51.9546e-68.0498e-72.8494e-71.6304e-72.8139e-52.3792e-62.8071e-74.3567e-820.259
FIVI GUHNN1.1408e-52.2675e-61.1399e-63.0537e-71.8327e-72.4879e-54.6732e-63.2191e-74.4601e-820.259
FIVI GUHNE1.5916e-51.9171e-69.0245e-72.8353e-71.4357e-74.5600e-53.2832e-62.0360e-74.0982e-820.259
SARM GUEHZ3.4591e-63.3145e-71.4893e-75.4407e-82.3174e-87.6158e-68.1127e-73.4223e-87.2697e-938.585
SARM GUEHN3.6665e-64.7444e-71.9876e-78.1943e-83.2050e-88.0011e-69.1076e-75.3997e-81.0413e-838.585
SARM GUEHE2.8657e-63.1544e-71.5415e-77.5006e-83.1990e-84.5453e-69.2858e-74.9964e-87.8618e-938.585
MSSA IVHHZ1.9479e-51.8718e-63.2067e-71.1387e-76.0363e-81.8157e-51.0784e-61.3578e-73.8084e-839.3298
MSSA IVHHN3.1576e-54.3898e-61.9932e-64.0009e-72.4653e-71.5726e-44.2862e-64.5265e-71.0010e-739.3298
MSSA IVHHE5.8686e-59.5175e-63.1505e-66.7208e-74.4038e-72.4957e-47.9689e-68.7787e-72.0649e-739.3298
GRAM GUHHZ5.2163e-66.2575e-73.5077e-78.7281e-84.3790e-86.2692e-61.2174e-67.4890e-81.2597e-839.915
GRAM GUHHN5.7927e-68.0862e-76.6150e-71.9033e-78.6966e-81.3027e-52.5901e-61.2796e-72.1232e-839.915
GRAM GUHHE4.8009e-61.0823e-68.4524e-72.3196e-71.1574e-71.5485e-53.9540e-61.6811e-72.7016e-839.915
CARD GUHHZ7.1105e-67.8941e-72.5942e-77.8379e-84.7627e-81.3355e-51.1289e-67.9151e-81.6616e-846.9108
CARD GUHHN2.4034e-52.5781e-68.0772e-71.7890e-71.3931e-72.5494e-52.5209e-62.7222e-75.0046e-846.9108
CARD GUHHE1.7087e-52.4005e-69.3864e-72.3475e-71.2137e-73.9184e-53.5971e-62.1196e-74.2037e-846.9108
MAIM GUHHZ2.4564e-63.3615e-71.8234e-75.7908e-82.5235e-84.5878e-66.9016e-73.5482e-87.0388e-952.8121
MAIM GUHHN2.6528e-63.6227e-72.3325e-76.3840e-83.5081e-86.1628e-61.0001e-65.2955e-88.7787e-952.8121
MAIM GUHHE1.8044e-62.1427e-71.0514e-73.5097e-81.6896e-82.8341e-64.5913e-72.7487e-85.8527e-952.8121
BDI IVHHZ4.7920e-65.4685e-71.4446e-73.5910e-82.0170e-88.2609e-65.7148e-74.7124e-81.1758e-854.6101
BDI IVHHN4.0243e-66.1086e-72.3860e-76.8821e-83.7067e-81.3566e-58.8003e-76.4162e-81.4848e-854.6101
BDI IVHHE3.5239e-65.7160e-72.3752e-76.9052e-83.2516e-81.7720e-59.0650e-75.4989e-81.2310e-854.6101
GSCL GUHHZ4.6664e-78.3187e-86.6559e-82.4287e-81.3183e-81.3140e-63.5976e-71.9856e-82.7182e-956.967
GSCL GUHHN7.7025e-72.2539e-71.7692e-77.7138e-83.2570e-82.4892e-68.1907e-73.7621e-85.8543e-956.967
GSCL GUHHE8.1886e-72.2638e-71.6661e-78.1833e-84.3595e-83.0088e-66.4252e-76.9925e-86.7251e-956.967
POPM GUHHZ3.5431e-64.7204e-72.1898e-77.0021e-82.7969e-81.1123e-57.9830e-74.8471e-81.0468e-867.3101
POPM GUHHN3.8951e-65.8881e-74.1022e-78.7204e-84.9092e-88.6940e-61.2920e-67.8487e-81.4531e-867.3101
POPM GUHHE3.8690e-66.5531e-74.1075e-71.0854e-74.3095e-81.1579e-51.9069e-66.6084e-81.5068e-867.3101
PII IVHHZ1.4250e-62.3395e-71.9015e-74.0765e-81.9555e-82.1929e-67.5337e-73.2955e-86.2702e-968.1136
PII IVHHN1.9402e-64.1323e-72.4797e-77.1423e-83.6068e-84.3992e-61.1653e-65.1102e-88.5939e-968.1136
PII IVHHE1.2556e-62.9707e-72.0378e-74.8904e-82.4424e-84.0088e-68.5322e-74.0129e-87.1286e-968.1136
GORR GUHHZ1.6067e-62.0522e-71.3182e-74.6872e-82.8240e-84.0345e-68.0869e-73.8837e-84.9830e-972.4315
GORR GUHHN2.1767e-63.6114e-71.9475e-76.4402e-82.9128e-85.0315e-68.3570e-74.6201e-87.5124e-972.4315
GORR GUHHE1.5017e-62.3812e-71.4014e-75.3053e-83.0209e-86.3791e-64.2374e-74.7122e-86.5423e-972.4315
RNCA GUHHZ1.5159e-62.3337e-71.5450e-74.5974e-82.8861e-83.5466e-68.9360e-74.2630e-86.0329e-986.5294
RNCA GUHHN1.5237e-62.9527e-72.1431e-77.5405e-83.3146e-85.9513e-67.3445e-74.8395e-86.6276e-986.5294
RNCA GUHHE2.1268e-63.9192e-72.3570e-76.9262e-83.6334e-85.9447e-69.5440e-76.4957e-88.5001e-986.5294
PCP GUHHZ2.7838e-75.5292e-84.0772e-81.6625e-88.7290e-91.2673e-62.7973e-71.2778e-81.4094e-9119.1292
PCP GUHHN3.6248e-77.9296e-86.1907e-82.5958e-81.2389e-88.8977e-72.6364e-71.8658e-81.9431e-9119.1292
PCP GUHHE4.3216e-79.4236e-85.6614e-81.5330e-81.3022e-81.8944e-62.8050e-72.0707e-82.1093e-9119.1292
*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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