MANUAL Location - Area: Valdarno inferiore , magnitude (ML): 0.2
2025-11-29 04:23:45 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-12-01 08:46:54

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Earthquake info - Manual location
Event - ID :251129042318
Magnitude (ML) :0.2 +/- 0.1
Origin Time :2025-11-29 04:23:45.14 (UTC)
Location : Latitude: 43.912 N, Longitude: 10.478 E
Area :Valdarno inferiore
Depth (km) :2.26
Distances (km) : 7.8 --- Lucca
8.2 --- Pescaglia
9.4 --- Borgo a Mozzano
10.4 --- Fabbriche di Vallico
10.7 --- Capannori
11.9 --- Massarosa
13.6 --- Villa Basilica
13.9 --- Porcari
14.2 --- Bagni di Lucca
14.3 --- Camaiore
16.0 --- Vecchiano
16.6 --- San Giuliano Terme
16.7 --- Montecarlo
17.0 --- Pescia
17.1 --- Gallicano
17.3 --- Vergemoli
17.4 --- Coreglia Antelminelli
17.5 --- Stazzema
18.1 --- Barga
18.7 --- Molazzana

Quality location estimate: Erh: 0.5 km, Erz: 0.6 km, Nf: 15, Gap: 119 °, Rms: 0.06


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.
MAIMGU2025-11-29 04:23:46.0600.0010-0.210.24--:---.-----.---.-- 2.5
CARDGU2025-11-29 04:23:47.9300.00700.021.402025-11-29 04:23:49.8550.1002-0.090.9213.0
CMEIT2025-11-29 04:23:48.3300.02000.011.442025-11-29 04:23:50.6590.0400-0.011.3515.1
PIIIV2025-11-29 04:23:49.7300.0110-0.011.482025-11-29 04:23:52.6200.0641-0.580.0521.5
POPMGU2025-11-29 04:23:50.4000.01300.011.452025-11-29 04:23:54.1790.2527-0.160.5427.0
VLCMN2025-11-29 04:23:50.6350.0200-0.041.322025-11-29 04:23:54.7580.09020.010.9528.6
SARMGU2025-11-29 04:23:51.1280.02000.001.382025-11-29 04:23:55.5730.04000.040.9931.1
EQUIGU2025-11-29 04:23:52.4200.0200-0.031.272025-11-29 04:23:57.2700.3187-0.540.2238.5


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
CARD GUHH0.271.08e-113.02
CME ITHN0.451.23e-115.1289
PII IVHH0.082.80e-221.5170
POPM GUHH-0.042.85e-227.056
VLC MNHH0.291.86e-228.6345
SARM GUEH0.202.24e-231.1349
EQUI GUHH0.161.13e-238.5318


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.
(°)
CARD GUHHZ4.0945e-67.7254e-74.6208e-73.5303e-71.1899e-71.1353e-52.5541e-61.6595e-72.2004e-813.02
CARD GUHHN9.4729e-61.5755e-69.7807e-74.9456e-72.1240e-72.3656e-54.8924e-62.8336e-73.8157e-813.02
CARD GUHHE1.0365e-51.4241e-68.7153e-72.6981e-71.4711e-71.7001e-54.8136e-62.0991e-72.9555e-813.02
CME ITHNZ5.6066e-61.0813e-66.0905e-73.8670e-72.2285e-71.3710e-53.1571e-62.8687e-72.5761e-815.1289
CME ITHNN6.3211e-61.3201e-61.1489e-64.0094e-72.3666e-72.0079e-59.7899e-62.8379e-73.5375e-815.1289
CME ITHNE8.9388e-61.4802e-67.6510e-73.1353e-72.0181e-72.2606e-54.0603e-62.4485e-73.6366e-815.1289
PII IVHHZ1.5781e-62.7353e-72.0383e-76.9577e-82.7718e-83.2361e-61.1705e-64.1783e-86.4442e-921.5170
PII IVHHN1.8358e-62.5006e-71.5195e-74.5430e-82.3235e-85.0403e-67.6893e-73.5810e-85.7702e-921.5170
PII IVHHE1.6223e-63.8582e-72.4687e-78.4327e-84.1560e-86.6379e-61.5822e-66.0879e-89.5709e-921.5170
POPM GUHHZ1.7819e-62.4711e-71.2445e-76.8051e-82.8903e-84.3043e-65.5203e-73.5372e-85.3285e-927.056
POPM GUHHN2.0604e-63.8706e-72.9072e-77.2079e-83.2227e-85.7945e-61.1689e-64.7366e-88.8211e-927.056
POPM GUHHE1.6500e-62.6332e-72.2167e-78.1533e-83.7197e-84.2415e-61.6100e-66.0284e-87.0756e-927.056
VLC MNHHZ1.0965e-61.5360e-78.8332e-84.2693e-82.5772e-82.2444e-64.5361e-74.3421e-83.7858e-928.6345
VLC MNHHN1.6063e-62.5758e-79.5346e-84.6241e-82.5324e-82.3482e-64.8530e-73.5840e-84.5392e-928.6345
VLC MNHHE1.4842e-62.0933e-71.4688e-77.1809e-86.0886e-83.3385e-65.5799e-78.4610e-87.8866e-928.6345
SARM GUEHZ4.2349e-76.0786e-84.7112e-82.8083e-82.1325e-89.3900e-72.7320e-73.7449e-81.9321e-931.1349
SARM GUEHN4.3667e-71.6912e-78.9529e-81.2584e-77.5257e-81.4284e-64.6800e-71.0265e-77.1438e-931.1349
SARM GUEHE5.4347e-79.1015e-87.1779e-86.0677e-83.9800e-81.3536e-64.2466e-76.7991e-89.0487e-931.1349
EQUI GUHHZ5.5452e-78.8854e-85.6027e-82.7649e-81.9651e-81.5528e-62.2698e-72.7261e-82.4648e-938.5318
EQUI GUHHN7.4877e-79.6046e-85.5781e-82.0571e-81.9984e-82.6316e-63.1652e-73.1558e-82.2416e-938.5318
EQUI GUHHE5.9320e-71.1107e-78.9106e-87.8762e-84.3220e-81.6276e-63.9980e-76.6550e-83.1225e-938.5318
*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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