MANUAL Location - Area: Colline Metallifere , magnitude (ML): 2.0
2025-01-18 22:45:48 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-01-20 07:43:31

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Earthquake info - Manual location
Event - ID :250118224530
Magnitude (ML) :2.0 +/- 0.2
Origin Time :2025-01-18 22:45:48.995 (UTC)
Location : Latitude: 43.496 N, Longitude: 10.571 E
Area :Colline Metallifere
Depth (km) :11.02
Distances (km) : 2.5 --- Santa Luce
4.8 --- Orciano Pisano
5.2 --- Casciana Terme
5.5 --- Lorenzana
5.9 --- Chianni
8.3 --- Lari
8.5 --- Crespina
9.2 --- Castellina Marittima
9.3 --- Terricciola
9.6 --- Fauglia
12.5 --- Rosignano Marittimo
12.9 --- Collesalvetti
13.0 --- Lajatico
13.3 --- Capannoli
13.5 --- Peccioli
14.6 --- Riparbella
14.8 --- Ponsacco
18.4 --- Montecatini Val di Cecina
19.3 --- Pontedera
19.3 --- Montescudaio

Quality location estimate: Erh: 1.2 km, Erz: 2.1 km, Nf: 32, Gap: 224 °, Rms: 0.23


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.
PIIIV2025-01-18 22:45:54.4800.0150-0.021.742025-01-18 22:45:58.4830.08820.031.6227.7
MAIMGU2025-01-18 22:45:57.8400.02510.021.732025-01-18 22:46:04.2090.14740.051.4048.2
OSSCIV2025-01-18 22:45:59.1860.02000.131.502025-01-18 22:46:06.3320.04000.051.4855.7
CMEIT2025-01-18 22:45:58.9090.0200-0.480.612025-01-18 22:46:06.3030.0400-0.600.5456.5
CSNTIV2025-01-18 22:45:59.5000.1406-0.520.622025-01-18 22:46:07.1330.1775-0.780.3759.1
POPMGU2025-01-18 22:46:00.7300.03310.390.702025-01-18 22:46:08.5350.47390.040.9263.9
BDIIV2025-01-18 22:46:00.5300.03310.001.632025-01-18 22:46:09.0300.19550.171.1864.1
SARMGU2025-01-18 22:46:03.0300.11750.141.392025-01-18 22:46:13.3500.23960.310.9478.6
EQUIGU2025-01-18 22:46:03.2980.1205-0.161.202025-01-18 22:46:13.4600.2517-0.500.7282.5
PLMAIV2025-01-18 22:46:03.9200.0432-0.011.522025-01-18 22:46:15.0970.04000.470.6785.0
RUFIIV2025-01-18 22:46:04.3700.04320.061.532025-01-18 22:46:15.4900.2557-0.111.0985.3
SEIIV2025-01-18 22:46:06.1600.02001.170.032025-01-18 22:46:19.2820.04002.110.0489.4
GSCLGU2025-01-18 22:46:06.2700.04920.011.472025-01-18 22:46:18.2600.2917-0.450.7795.8
ZCCAIV2025-01-18 22:46:08.0870.02000.450.642025-01-18 22:46:23.1670.04001.820.05101.1
ERBMIV2025-01-18 22:46:08.0560.02000.310.982025-01-18 22:46:21.1530.0400-0.510.71104.1
LMDIV2025-01-18 22:46:09.2100.0572-0.081.322025-01-18 22:46:24.1120.0400-0.340.91112.4


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
PII IVHH1.901.13e+027.7352
MAIM GUHH2.288.35e-148.2352
OSSC IVHH1.882.77e-155.787
POPM GUHH2.076.51e-163.914
BDI IVHH1.892.68e-164.12
SARM GUEH2.002.07e-178.6350
EQUI GUHH1.931.33e-182.5336
PLMA IVHH1.819.13e-285.0317
SEI IVHH2.413.32e-189.445
GSCL GUHH2.533.77e-195.81
ZCCA IVHH1.856.90e-2101.119
ERBM IVEH2.009.13e-2104.1353


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.
(°)
PII IVHHZ3.2720e-55.8162e-64.7673e-62.4581e-61.0871e-67.3520e-52.7322e-51.4364e-61.7497e-727.7352
PII IVHHN2.5377e-57.6619e-68.3457e-66.2937e-62.2876e-66.8072e-55.9401e-52.7612e-62.8334e-727.7352
PII IVHHE3.6033e-51.1650e-51.1271e-55.0349e-61.9484e-61.0081e-48.5811e-52.6344e-63.3141e-727.7352
MAIM GUHHZ2.2454e-55.8497e-64.5883e-61.6376e-68.1117e-75.7783e-53.0450e-51.1596e-61.7861e-748.2352
MAIM GUHHN2.4094e-58.1835e-66.3257e-62.6447e-61.3858e-66.9856e-55.3761e-51.9698e-62.3338e-748.2352
MAIM GUHHE2.2773e-54.1773e-63.6341e-62.2138e-68.1854e-76.6678e-52.1486e-51.0371e-61.3573e-748.2352
OSSC IVHHZ4.2242e-61.0305e-61.1310e-65.0155e-72.3420e-71.3512e-58.8498e-62.6477e-72.8099e-855.787
OSSC IVHHN7.4460e-62.3472e-62.3314e-61.1282e-64.2701e-72.4895e-51.2629e-56.3414e-78.3575e-855.787
OSSC IVHHE9.8715e-63.0474e-62.4620e-68.9231e-73.4754e-72.4676e-51.7895e-54.8277e-77.7203e-855.787
CME ITHNZ2.2797e-58.6004e-67.0525e-62.0009e-61.0819e-63.7269e-56.9283e-51.6642e-62.2678e-756.5337
CME ITHNN3.2647e-51.2946e-51.2223e-55.0201e-62.4680e-66.2051e-58.4882e-53.5498e-64.2162e-756.5337
CME ITHNE3.0513e-58.4157e-67.9750e-63.8855e-61.5157e-67.0134e-54.2067e-52.0148e-62.3727e-756.5337
POPM GUHHZ4.4196e-56.1105e-62.4470e-68.0124e-73.7849e-74.5028e-51.1449e-55.7267e-77.2931e-863.914
POPM GUHHN2.5042e-56.2267e-65.6939e-61.4007e-66.4340e-77.8184e-53.5120e-59.1559e-71.5845e-763.914
POPM GUHHE2.0031e-56.2860e-66.4964e-61.6143e-68.8739e-76.1055e-54.2561e-51.2009e-61.7610e-763.914
BDI IVHHZ8.7192e-61.8640e-61.7495e-67.8257e-72.9978e-71.6084e-59.9415e-63.4143e-75.3350e-864.12
BDI IVHHN1.0294e-52.2738e-62.3568e-61.1614e-64.8925e-73.2021e-51.8035e-56.5518e-77.6769e-864.12
BDI IVHHE1.1032e-52.5037e-62.7296e-61.4949e-67.1143e-73.4802e-51.4324e-58.8537e-78.2516e-864.12
SARM GUEHZ2.6054e-68.4222e-77.8770e-74.8023e-71.7798e-79.3831e-63.2689e-62.0710e-72.0152e-878.6350
SARM GUEHN5.7451e-61.4335e-61.6044e-61.5709e-65.4237e-71.2037e-56.9562e-65.8796e-75.4932e-878.6350
SARM GUEHE3.4424e-61.2401e-61.1153e-69.5653e-75.3657e-78.4254e-66.6751e-65.4575e-74.5243e-878.6350
EQUI GUHHZ5.1317e-61.3148e-69.8900e-75.5576e-72.1609e-71.0164e-55.9033e-62.9463e-73.5840e-882.5336
EQUI GUHHN4.8518e-61.1764e-61.1215e-65.6120e-72.2973e-71.7218e-56.9335e-62.7055e-73.2549e-882.5336
EQUI GUHHE4.3729e-61.4127e-61.1195e-66.6281e-72.4002e-71.1268e-54.6838e-63.5036e-74.3870e-882.5336
PLMA IVHHZ1.8116e-64.2537e-75.0562e-73.9886e-72.0463e-74.6368e-63.0794e-62.4395e-71.7656e-885.0317
PLMA IVHHN3.1251e-68.0181e-77.5553e-74.4801e-71.7633e-79.0922e-66.8260e-62.7123e-72.5298e-885.0317
PLMA IVHHE2.1706e-66.5434e-76.6333e-73.9142e-71.6232e-74.6688e-63.2188e-62.3219e-71.9635e-885.0317
SEI IVHHZ5.5279e-61.9561e-61.7958e-61.2880e-66.7188e-71.2060e-51.3828e-57.7178e-76.7760e-889.445
SEI IVHHN9.6325e-62.5008e-62.6997e-62.2172e-68.1372e-79.4619e-61.9526e-59.5376e-78.6138e-889.445
SEI IVHHE5.5762e-61.3298e-61.3985e-69.2468e-73.3782e-75.8217e-61.2785e-54.2879e-74.5651e-889.445
GSCL GUHHZ3.2135e-61.0462e-69.7069e-78.6916e-73.6288e-76.0242e-67.0308e-64.2255e-72.9209e-895.81
GSCL GUHHN7.1566e-62.4854e-62.7262e-61.4564e-66.0781e-71.3310e-51.7746e-57.6945e-76.7503e-895.81
GSCL GUHHE7.6338e-62.7108e-62.5699e-62.1109e-68.4068e-71.3489e-51.3619e-59.3413e-79.1574e-895.81
ZCCA IVHHZ1.7173e-64.5567e-74.8079e-73.2448e-71.7686e-74.5319e-62.1537e-62.7575e-71.5288e-8101.119
ZCCA IVHHN1.9404e-64.2940e-75.6959e-74.1984e-71.8226e-75.1939e-62.7585e-62.4325e-71.7185e-8101.119
ZCCA IVHHE1.5687e-64.1388e-74.6610e-73.3060e-71.4222e-72.7027e-63.5271e-61.9701e-71.3735e-8101.119
ERBM IVEHZ2.2428e-63.7768e-74.1978e-73.4896e-71.6669e-77.7255e-62.2307e-62.0660e-71.7901e-8104.1353
ERBM IVEHN2.1844e-67.3550e-77.2718e-74.1179e-71.7083e-76.4803e-64.9036e-61.9802e-72.2518e-8104.1353
ERBM IVEHE2.5723e-65.5370e-73.9224e-73.0150e-72.0633e-71.0113e-52.1485e-62.0572e-71.5866e-8104.1353
*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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