MANUAL Location - Area: Lunigiana , magnitude (ML): 2.4
2025-01-18 09:08:00 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-01-18 10:15:36

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Earthquake info - Manual location
Event - ID :250118090651
Magnitude (ML) :2.4 +/- 0.2
Origin Time :2025-01-18 09:08:00.281 (UTC)
Location : Latitude: 44.396 N, Longitude: 9.801 E
Area :Lunigiana
Depth (km) :62.07
Distances (km) : 5.6 --- Zeri
6.8 --- Pontremoli
9.8 --- Albareto
10.7 --- Borgo Val di Taro
11.2 --- Mulazzo
12.0 --- Zignago
12.9 --- Filattiera
15.1 --- Sesta Godano
15.8 --- Compiano
16.4 --- Rocchetta di Vara
16.5 --- Villafranca in Lunigiana
16.7 --- Varese Ligure
17.2 --- Calice al Cornoviglio
17.2 --- Tornolo
17.5 --- Carro
17.7 --- Bagnone
18.2 --- Bedonia
18.6 --- Brugnato
19.7 --- Berceto
20.0 --- Borghetto di Vara

Quality location estimate: Erh: 1.4 km, Erz: 1.1 km, Nf: 42, Gap: 81 °, Rms: 0.21


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.
VRLIT2025-01-18 09:08:10.1760.02000.061.572025-01-18 09:08:17.3550.04000.161.2563.5
BVTIT2025-01-18 09:08:10.1340.0200-0.440.522025-01-18 09:08:17.3780.0400-0.520.5164.8
CARIT2025-01-18 09:08:10.2200.0200-0.081.492025-01-18 09:08:17.3550.0400-0.141.2666.3
AULIT2025-01-18 09:08:10.7450.02000.191.192025-01-18 09:08:18.0310.04000.041.4066.9
GRAMGU2025-01-18 09:08:10.8300.0321-0.041.562025-01-18 09:08:18.4800.1965-0.151.1267.2
MSSAIV2025-01-18 09:08:10.4600.0321-0.131.352025-01-18 09:08:17.2270.2897-0.790.3467.5
FIVIGU2025-01-18 09:08:11.4240.02000.440.492025-01-18 09:08:19.2390.04000.510.4669.8
EQUIGU2025-01-18 09:08:11.5000.0351-0.021.562025-01-18 09:08:19.4030.1002-0.280.9573.0
PLMAIV2025-01-18 09:08:11.4800.03610.211.132025-01-18 09:08:19.4400.21960.250.9773.2
GORRGU2025-01-18 09:08:12.1700.03810.031.552025-01-18 09:08:20.5870.2316-0.280.9378.1
ERBMIV2025-01-18 09:08:13.1000.0391-0.021.522025-01-18 09:08:23.0290.23460.141.0579.6
TGLIT2025-01-18 09:08:12.6220.02000.091.482025-01-18 09:08:21.5860.04000.270.9982.2
SARMGU2025-01-18 09:08:13.0800.05920.041.502025-01-18 09:08:22.8100.24460.460.6582.6
CMEIT2025-01-18 09:08:13.4480.0200-0.161.232025-01-18 09:08:22.7300.0400-0.710.3488.9
RNCAGU2025-01-18 09:08:13.5500.04520.131.372025-01-18 09:08:22.9430.10020.151.1692.2
RNSIT2025-01-18 09:08:14.3200.1004-0.021.422025-01-18 09:08:24.1020.0400-0.410.7295.4
BDIIV2025-01-18 09:08:14.7750.0200-0.021.492025-01-18 09:08:25.5900.28770.220.9296.7
MAIMGU2025-01-18 09:08:14.9800.0492-0.051.442025-01-18 09:08:25.2500.2957-0.660.4999.0
POPMGU2025-01-18 09:08:16.7000.09140.610.312025-01-18 09:08:28.8150.04001.260.02106.0
PIIIV2025-01-18 09:08:17.1800.0562-0.021.412025-01-18 09:08:28.9300.3397-0.810.38113.2
PCPGU2025-01-18 09:08:16.7410.0200-0.580.432025-01-18 09:08:28.7500.1002-1.310.07118.9


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
BVT ITHN2.173.90e-164.8343
CAR ITHN2.508.01e-166.3221
GRAM GUHH2.125.98e-167.263
FIVI GUHN2.578.45e-169.8124
PLMA IVHH2.577.46e-173.2174
GORR GUHH2.688.45e-178.1300
TGL ITHN2.515.07e-182.2287
SARM GUEH2.192.90e-182.6116
CME ITHN2.413.36e-188.9141
RNCA GUHH2.695.94e-192.2277
RNS ITHN2.543.83e-195.4288
MAIM GUHH2.161.31e-199.0134
PII IVHH2.119.47e-2113.2142
PCP GUHH2.098.92e-2118.9280


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.
(°)
BVT ITHNZ4.3983e-54.7505e-61.6237e-67.5419e-73.1541e-73.3719e-57.8788e-64.1986e-75.6608e-864.8343
BVT ITHNN2.3303e-54.5377e-63.5326e-61.5829e-67.7084e-75.3501e-51.8892e-51.1157e-61.4325e-764.8343
BVT ITHNE2.4223e-56.0324e-63.4609e-61.2074e-65.9257e-71.3094e-41.1871e-58.6161e-71.3210e-764.8343
CAR ITHNZ3.8082e-57.8808e-64.1113e-61.0097e-65.1305e-71.1192e-41.3419e-58.4738e-71.6895e-766.3221
CAR ITHNN6.4230e-51.2587e-58.7365e-62.3887e-69.8850e-72.3096e-42.8197e-51.4434e-63.1225e-766.3221
CAR ITHNE7.4182e-51.5231e-56.4634e-61.7357e-61.0732e-61.4967e-42.9762e-51.7229e-63.0009e-766.3221
GRAM GUHHZ8.7552e-59.2000e-62.9238e-68.2698e-73.8268e-74.5283e-51.4169e-54.9874e-78.8573e-867.263
GRAM GUHHN4.2791e-58.5103e-66.5159e-62.3366e-69.2850e-79.0007e-52.8869e-51.3763e-62.0765e-767.263
GRAM GUHHE3.3158e-57.4527e-66.6054e-62.3059e-68.7402e-79.9973e-53.3276e-51.2699e-62.0800e-767.263
MSSA IVHHZ1.2801e-51.5972e-68.4511e-73.1970e-71.4696e-72.9846e-53.2799e-62.1157e-73.6746e-867.5249
MSSA IVHHN1.2519e-51.9596e-61.5273e-67.3754e-73.4036e-73.6560e-55.6552e-64.1256e-75.9207e-867.5249
MSSA IVHHE1.5517e-52.8242e-61.9914e-68.4559e-73.4080e-74.2734e-59.1077e-64.7656e-76.6769e-867.5249
FIVI GUHNZ5.7993e-59.7668e-65.9898e-61.6075e-67.1535e-72.4498e-42.1518e-51.1266e-62.2179e-769.8124
FIVI GUHNN4.6019e-51.1191e-57.8403e-62.6742e-61.0508e-61.0099e-42.7647e-51.5622e-63.0882e-769.8124
FIVI GUHNE4.9101e-51.0298e-56.1123e-61.8111e-61.0301e-61.5698e-42.6928e-51.5581e-62.7443e-769.8124
EQUI GUHHZ1.1826e-51.5186e-68.1644e-72.9618e-71.3647e-72.0241e-54.5913e-61.8983e-73.2698e-873.0132
EQUI GUHHN1.3498e-51.7909e-68.7880e-73.4025e-71.4434e-72.9706e-54.3601e-61.8958e-74.3802e-873.0132
EQUI GUHHE1.0289e-51.2775e-68.3567e-73.3905e-71.5474e-72.9925e-54.0790e-62.0927e-73.6085e-873.0132
PLMA IVHHZ2.2213e-52.8291e-61.7525e-64.9209e-72.0069e-74.8414e-57.3090e-63.3903e-76.4143e-873.2174
PLMA IVHHN4.7850e-51.2742e-56.2164e-61.9627e-69.5726e-71.6688e-42.3405e-51.4544e-62.8444e-773.2174
PLMA IVHHE4.6352e-59.4045e-65.0823e-61.4193e-69.0296e-71.3473e-42.2567e-51.3552e-62.1951e-773.2174
GORR GUHHZ3.6388e-55.1702e-63.7025e-69.6380e-74.4798e-76.3431e-52.1443e-56.2463e-71.1137e-778.1300
GORR GUHHN3.5033e-58.2612e-66.9418e-62.2760e-61.1915e-67.1106e-55.3717e-51.7165e-62.3638e-778.1300
GORR GUHHE6.1490e-51.2631e-57.3355e-62.1851e-61.0020e-61.4061e-42.6174e-51.5975e-63.1305e-778.1300
ERBM IVEHZ4.6701e-69.2558e-76.1343e-73.0448e-71.5612e-71.4000e-52.9365e-61.5147e-72.0471e-879.687
ERBM IVEHN5.0518e-61.1888e-61.0285e-65.1441e-71.5910e-71.7684e-55.4564e-62.0614e-72.9507e-879.687
ERBM IVEHE5.3051e-69.1491e-77.2464e-73.8364e-71.9573e-71.8031e-53.4792e-62.2922e-72.4770e-879.687
TGL ITHNZ2.5533e-52.7931e-62.2188e-69.1047e-73.9063e-76.5996e-59.0333e-65.7216e-77.8476e-882.2287
TGL ITHNN3.5633e-56.6213e-64.9734e-61.5798e-61.1358e-67.6260e-52.8614e-51.7750e-61.8682e-782.2287
TGL ITHNE2.7437e-54.8107e-63.6492e-61.6875e-67.9781e-76.9758e-51.9984e-51.1512e-61.5515e-782.2287
SARM GUEHZ4.3470e-61.0503e-68.8677e-74.0309e-71.5462e-71.1646e-55.1488e-62.0608e-72.6405e-882.6116
SARM GUEHN7.8949e-62.5325e-62.0596e-61.1456e-64.4943e-71.9706e-51.4454e-55.6672e-77.2144e-882.6116
SARM GUEHE4.6617e-61.5351e-61.1334e-68.5355e-73.2005e-71.4942e-56.3477e-64.0343e-74.1420e-882.6116
CME ITHNZ1.2760e-52.8479e-61.5984e-65.1250e-72.3397e-73.9686e-58.3231e-63.2829e-76.2007e-888.9141
CME ITHNN2.2540e-54.1613e-62.8094e-66.8051e-73.1247e-75.4119e-51.7498e-55.1328e-71.1080e-788.9141
CME ITHNE2.0325e-53.7706e-62.9803e-69.8755e-74.8877e-76.8610e-51.9362e-56.8952e-71.1000e-788.9141
RNCA GUHHZ2.5268e-53.7658e-62.3071e-66.8992e-73.2698e-75.7805e-51.2485e-55.4551e-71.0271e-792.2277
RNCA GUHHN3.2876e-55.5645e-62.5379e-68.9999e-74.6029e-78.3179e-51.2682e-56.6938e-71.0576e-792.2277
RNCA GUHHE3.6717e-58.9833e-65.1489e-61.4376e-66.7392e-76.1494e-52.8223e-51.0576e-62.1314e-792.2277
RNS ITHNZ7.5914e-61.3400e-61.1343e-64.3459e-72.4171e-71.7180e-54.6058e-63.4499e-73.7274e-895.4288
RNS ITHNN1.6439e-54.0930e-63.1048e-61.2318e-65.4039e-74.1687e-51.5496e-58.3109e-71.2410e-795.4288
RNS ITHNE1.6293e-53.3715e-62.3932e-68.1129e-74.4197e-74.0143e-51.4111e-56.7758e-79.8745e-895.4288
BDI IVHHZ6.5846e-61.0939e-66.8273e-72.1619e-79.2984e-81.3776e-55.1467e-61.3649e-72.2034e-896.7120
BDI IVHHN9.3583e-61.8566e-61.2206e-64.4682e-71.8344e-72.4798e-56.9029e-62.7264e-74.3583e-896.7120
BDI IVHHE8.6825e-61.7386e-61.1160e-62.9118e-71.4078e-72.9963e-56.9635e-62.2821e-73.7074e-896.7120
MAIM GUHHZ4.5580e-68.5388e-74.2055e-71.1742e-75.4391e-81.5893e-51.9529e-68.7138e-81.7207e-899.0134
MAIM GUHHN1.2068e-52.1471e-61.0686e-62.7788e-71.7798e-73.1440e-55.0740e-62.9792e-75.6259e-899.0134
MAIM GUHHE7.6118e-61.1904e-68.5288e-72.3390e-79.2515e-83.1023e-53.3977e-61.4270e-72.6725e-899.0134
POPM GUHHZ5.1083e-69.1476e-76.8834e-72.2514e-78.7909e-81.2539e-53.3472e-61.3279e-72.3358e-8106.0117
POPM GUHHN7.4124e-61.6765e-61.2192e-64.2430e-71.7558e-71.7810e-55.7990e-62.3427e-74.3522e-8106.0117
POPM GUHHE7.4721e-61.6416e-61.2488e-64.3672e-71.6292e-72.1484e-55.3781e-62.3823e-73.5605e-8106.0117
PII IVHHZ1.0336e-51.5637e-66.3493e-71.7280e-77.4723e-82.2347e-52.8626e-61.2291e-72.2420e-8113.2142
PII IVHHN7.7629e-61.1959e-67.4540e-72.9203e-71.1563e-71.8070e-52.9487e-61.5626e-72.4871e-8113.2142
PII IVHHE6.2890e-61.2953e-66.9220e-72.1126e-79.5192e-82.5907e-54.3971e-61.5829e-73.1255e-8113.2142
PCP GUHHZ2.2747e-65.3011e-73.1765e-79.7681e-85.9897e-81.0202e-51.4607e-68.7192e-81.3387e-8118.9280
PCP GUHHN5.1913e-61.0680e-67.0996e-72.1777e-71.1972e-71.4087e-54.7613e-61.5868e-72.5467e-8118.9280
PCP GUHHE5.4060e-69.9344e-76.0837e-71.8907e-71.1141e-71.3956e-52.9600e-61.6605e-72.4921e-8118.9280
*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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