MANUAL Location - Area: Alpi Apuane , magnitude (ML): 0.1
2024-12-27 10:35:11 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2024-12-27 11:22:12

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Earthquake info - Manual location
Event - ID :241227103431
Magnitude (ML) :0.1 +/- 0.2
Origin Time :2024-12-27 10:35:11.052 (UTC)
Location : Latitude: 43.961 N, Longitude: 10.434 E
Area :Alpi Apuane
Depth (km) :2.02
Distances (km) : 1.9 --- Pescaglia
4.2 --- Fabbriche di Vallico
9.2 --- Borgo a Mozzano
10.6 --- Camaiore
10.9 --- Vergemoli
11.2 --- Gallicano
11.8 --- Stazzema
12.3 --- Massarosa
12.6 --- Molazzana
13.3 --- Barga
13.6 --- Coreglia Antelminelli
13.6 --- Bagni di Lucca
14.1 --- Lucca
16.1 --- Pietrasanta
16.8 --- Castelnuovo di Garfagnana
17.0 --- Seravezza
17.1 --- Capannori
17.3 --- Villa Basilica
17.5 --- Fosciandora
17.9 --- Viareggio

Quality location estimate: Erh: 0.7 km, Erz: 0.8 km, Nf: 16, Gap: 102 °, Rms: 0.11


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.
MAIMGU2024-12-27 10:35:13.1600.00800.250.672024-12-27 10:35:14.2500.0210-0.041.437.4
CARDGU2024-12-27 10:35:13.0700.00900.180.812024-12-27 10:35:14.2300.0210-0.021.568.5
CMEIT2024-12-27 10:35:13.6870.02000.260.632024-12-27 10:35:15.1960.04000.021.5711.0
BDIIV2024-12-27 10:35:14.6900.01300.011.652024-12-27 10:35:17.0900.0461-0.280.1017.4
SARMGU2024-12-27 10:35:15.9050.0200-0.021.582024-12-27 10:35:19.5150.04000.021.4025.1
POPMGU2024-12-27 10:35:16.4160.02000.041.542024-12-27 10:35:20.5360.10020.180.9727.6
PIIIV2024-12-27 10:35:16.2330.0200-0.580.012024-12-27 10:35:19.8100.3047-1.320.0127.6
GSCLGU2024-12-27 10:35:20.1300.02000.111.222024-12-27 10:35:26.4200.1314-0.080.8645.1


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
MAIM GUHH-0.101.09e-17.4139
CARD GUHH0.423.19e-18.528
CME ITHN0.271.46e-111.0266
BDI IVHH0.054.75e-217.449
SARM GUEH-0.031.96e-225.1354
POPM GUHH0.113.89e-227.670
PII IVHH0.041.58e-227.6165


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.
(°)
MAIM GUHHZ6.3523e-67.7606e-74.0197e-72.1279e-78.5359e-81.2217e-51.8408e-61.2403e-71.3363e-87.4139
MAIM GUHHN1.2218e-52.0641e-69.6812e-74.5055e-74.1092e-72.3750e-53.7096e-65.5871e-73.7966e-87.4139
MAIM GUHHE6.8877e-68.9634e-76.9010e-72.9438e-71.1860e-71.3264e-54.0137e-61.3864e-72.1443e-87.4139
CARD GUHHZ2.3657e-52.3823e-67.2869e-74.9017e-74.0193e-72.5581e-53.2065e-66.1001e-74.4548e-88.528
CARD GUHHN1.1166e-41.0222e-52.0358e-69.5343e-76.9457e-75.6662e-59.5017e-68.9162e-71.8736e-78.528
CARD GUHHE9.6788e-58.5786e-62.1998e-67.7464e-74.0249e-79.5968e-57.2634e-66.5620e-71.6793e-78.528
CME ITHNZ1.9503e-52.0004e-61.0785e-64.7394e-72.1018e-72.0621e-55.6718e-63.1874e-75.3930e-811.0266
CME ITHNN2.2544e-52.5993e-61.2288e-63.7197e-71.9429e-73.3425e-55.3014e-63.1019e-76.6517e-811.0266
CME ITHNE2.2841e-52.3020e-61.2611e-64.4643e-72.6999e-73.0175e-57.0206e-63.9999e-76.1107e-811.0266
BDI IVHHZ2.5770e-64.3690e-72.1111e-78.5541e-85.7961e-82.9496e-61.2642e-69.2542e-89.4643e-917.449
BDI IVHHN2.3989e-64.9075e-73.6405e-71.6694e-77.7919e-85.0686e-62.4187e-61.0734e-71.5294e-817.449
BDI IVHHE3.2603e-63.9511e-73.1477e-71.2811e-76.2737e-84.2269e-61.5264e-68.6872e-81.1707e-817.449
SARM GUEHZ7.5306e-78.8938e-86.3736e-82.9912e-82.0288e-81.4427e-63.0609e-74.0852e-82.3490e-925.1354
SARM GUEHN2.7392e-62.5426e-71.3943e-71.0966e-74.3889e-81.1571e-66.0731e-75.1585e-85.0261e-925.1354
SARM GUEHE9.9710e-78.5411e-87.4382e-83.6336e-81.9844e-88.7040e-74.8648e-72.8147e-82.4809e-925.1354
POPM GUHHZ2.3915e-63.4675e-71.9092e-78.9772e-84.1265e-84.7687e-61.0342e-64.7778e-86.8444e-927.670
POPM GUHHN3.1167e-65.1450e-73.2682e-79.1459e-84.8598e-85.4010e-61.2196e-67.4703e-81.4478e-827.670
POPM GUHHE2.2015e-64.5611e-73.3924e-71.1993e-74.7005e-85.3248e-61.8326e-65.7877e-81.0462e-827.670
PII IVHHZ8.8815e-71.2815e-78.1146e-82.8694e-81.3351e-82.0486e-63.9432e-72.1023e-83.5614e-927.6165
PII IVHHN8.1501e-71.9578e-71.0835e-73.2779e-81.4290e-81.9997e-64.7082e-72.2145e-84.7421e-927.6165
PII IVHHE1.1617e-62.4388e-71.4229e-74.3784e-81.9728e-83.8894e-65.6695e-72.8048e-85.4668e-927.6165
GSCL GUHHZ1.2338e-61.6141e-79.3483e-84.2107e-82.4951e-81.9094e-65.4184e-73.3995e-84.0105e-945.116
GSCL GUHHN2.7476e-64.0048e-73.5833e-71.4008e-75.9604e-83.4235e-62.3455e-68.3179e-81.0961e-845.116
GSCL GUHHE1.9991e-62.3910e-71.9758e-76.9658e-82.7322e-83.0516e-61.3827e-63.8823e-85.4992e-945.116
*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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