MANUAL Location - Area: Mugello , magnitude (ML): 1.1
2024-12-31 17:10:40 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-01-01 13:24:29

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Earthquake info - Manual location
Event - ID :241231170932
Magnitude (ML) :1.1 +/- 0.1
Origin Time :2024-12-31 17:10:40.428 (UTC)
Location : Latitude: 44.032 N, Longitude: 11.323 E
Area :Mugello
Depth (km) :15.76
Distances (km) : 4.7 --- Scarperia
7.4 --- Barberino di Mugello
7.4 --- San Piero a Sieve
10.1 --- Borgo San Lorenzo
10.8 --- Firenzuola
13.5 --- Vernio
14.2 --- Vaglia
15.7 --- Vicchio
17.2 --- Cantagallo
17.2 --- Vaiano
17.8 --- Castiglione dei Pepoli
20.2 --- Palazzuolo sul Senio
21.1 --- Monghidoro
21.8 --- San Benedetto Val di Sambro
22.3 --- Dicomano
22.8 --- Calenzano
23.8 --- Marradi
23.9 --- Sesto Fiorentino
24.2 --- Camugnano
24.6 --- Prato

Quality location estimate: Erh: 1.3 km, Erz: 2.1 km, Nf: 24, Gap: 91 °, 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.
SEIIV2024-12-31 17:10:43.8200.01200.011.912024-12-31 17:10:45.3900.0491-1.100.0716.8
RUFIIV2024-12-31 17:10:46.8800.01800.500.222024-12-31 17:10:50.8000.0932-0.031.6630.6
LMDIV2024-12-31 17:10:47.7900.0381-0.031.842024-12-31 17:10:53.3290.1053-0.101.5034.9
MTRZIV2024-12-31 17:10:49.8720.02002.550.012024-12-31 17:10:54.9050.04002.160.0136.2
POPMGU2024-12-31 17:10:49.1700.02610.131.322024-12-31 17:10:55.0970.1875-0.320.9948.0
OSSCIV2024-12-31 17:10:51.4930.02000.131.302024-12-31 17:10:58.9850.0400-0.191.2759.1
BDIIV2024-12-31 17:10:51.2100.0321-0.101.602024-12-31 17:10:58.8700.1815-0.490.7160.4
CSNTIV2024-12-31 17:10:52.2700.03410.041.662024-12-31 17:11:00.5900.1935-0.091.2564.1
CARDGU2024-12-31 17:10:52.6990.02000.041.662024-12-31 17:11:00.6900.3928-0.760.4969.1
MAIMGU2024-12-31 17:10:52.4410.0200-0.550.472024-12-31 17:11:01.4300.0400-0.630.4769.6
PIIIV2024-12-31 17:10:53.7300.0391-0.191.282024-12-31 17:11:03.8200.22360.190.9974.3
SARMGU2024-12-31 17:10:54.9700.02000.640.182024-12-31 17:11:04.3800.23660.021.1377.3


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
MTRZ IVHH1.311.76e-136.215
POPM GUHH1.111.30e-148.0272
OSSC IVHH1.195.03e-259.1186
BDI IVHH1.297.51e-260.4274
CARD GUHH1.123.08e-269.1270
MAIM GUHH0.871.49e-269.6259
PII IVHH0.951.74e-274.3242
SARM GUEH1.183.28e-277.3283


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.
(°)
SEI IVHHZ1.6240e-43.2826e-51.8067e-55.1996e-62.6381e-65.6386e-41.0423e-44.0033e-66.8107e-716.849
SEI IVHHN2.8422e-46.2820e-53.0484e-51.3471e-55.9685e-64.9547e-41.5787e-49.1428e-61.5798e-616.849
SEI IVHHE3.6187e-44.7832e-51.7367e-55.8131e-63.8705e-65.5512e-49.2294e-56.8651e-61.2342e-616.849
MTRZ IVHHZ1.8563e-65.8419e-75.8696e-72.5955e-71.1498e-73.7700e-64.8190e-61.4378e-71.7651e-836.215
MTRZ IVHHN3.2692e-61.3907e-61.2685e-68.7877e-73.6955e-76.8441e-68.2019e-64.4170e-74.9075e-836.215
MTRZ IVHHE4.0379e-61.4930e-61.5618e-69.6062e-74.7775e-76.8313e-68.1468e-66.4328e-74.1764e-836.215
POPM GUHHZ6.2841e-69.7940e-75.7914e-71.6958e-79.2905e-81.8929e-53.1376e-61.4567e-72.1890e-848.0272
POPM GUHHN8.0420e-61.4821e-61.3181e-63.4620e-71.6978e-73.1287e-57.6356e-62.6774e-73.7590e-848.0272
POPM GUHHE8.5061e-61.2889e-69.6840e-72.5449e-71.3392e-72.1253e-54.1860e-61.9335e-73.1960e-848.0272
OSSC IVHHZ2.0944e-63.4023e-73.0189e-71.4472e-74.9034e-86.6911e-61.3351e-66.9175e-81.0691e-859.1186
OSSC IVHHN2.5905e-66.2703e-74.7601e-71.2810e-75.7642e-88.1129e-61.7655e-69.7313e-81.5534e-859.1186
OSSC IVHHE2.5755e-65.6134e-75.2573e-72.2892e-79.2608e-87.3129e-62.4914e-61.2247e-71.2842e-859.1186
BDI IVHHZ1.9109e-63.9138e-73.3598e-71.3633e-76.7330e-84.4689e-62.3223e-69.0255e-81.1153e-860.4274
BDI IVHHN3.0131e-68.7414e-76.9770e-73.1162e-71.2650e-78.2021e-63.2113e-61.5731e-72.2805e-860.4274
BDI IVHHE2.7595e-66.1050e-74.9256e-71.9250e-79.0773e-81.0590e-53.6925e-61.1598e-71.6021e-860.4274
CARD GUHHZ1.2216e-61.7818e-71.1374e-74.8149e-82.0935e-83.5008e-65.5400e-72.7369e-84.6085e-969.1270
CARD GUHHN2.7478e-64.1379e-73.1913e-71.2255e-74.8511e-81.0065e-51.5463e-67.2431e-81.0749e-869.1270
CARD GUHHE2.9607e-64.1975e-72.8079e-71.1327e-74.7269e-87.8756e-61.3412e-66.3225e-88.5854e-969.1270
MAIM GUHHZ5.5233e-79.8268e-87.1326e-84.2175e-81.7236e-81.2564e-64.7934e-72.3180e-82.5682e-969.6259
MAIM GUHHN7.4856e-71.3685e-71.1922e-78.3984e-84.8945e-82.0965e-66.4239e-75.5236e-84.8620e-969.6259
MAIM GUHHE9.9907e-71.3824e-78.4147e-84.7567e-82.5426e-82.1761e-63.7455e-72.9887e-82.6310e-969.6259
PII IVHHZ6.4256e-71.1307e-79.9532e-83.8032e-81.7584e-81.8634e-64.3204e-72.2285e-83.0594e-974.3242
PII IVHHN5.1479e-72.0391e-71.5429e-77.1728e-83.2996e-81.8651e-61.0231e-63.6649e-85.4133e-974.3242
PII IVHHE5.7812e-71.3924e-71.2717e-74.8969e-82.0854e-81.2603e-67.0167e-72.8542e-84.0301e-974.3242
SARM GUEHZ3.5146e-79.3129e-89.0476e-85.6757e-81.8341e-81.2395e-67.2767e-72.2953e-82.7143e-977.3283
SARM GUEHN7.0411e-72.4484e-72.0291e-71.8749e-78.3161e-81.6271e-61.0017e-61.0446e-71.0879e-877.3283
SARM GUEHE5.3319e-72.2511e-71.8582e-71.7361e-76.6576e-81.6318e-61.4427e-68.0965e-88.3647e-977.3283
*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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