MANUAL Location - Area: Mugello , magnitude (ML): 2.5
2025-07-29 20:38:13 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-07-30 08:09:41

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Earthquake info - Manual location
Event - ID :250729203720
Magnitude (ML) :2.5 +/- 0.2
Origin Time :2025-07-29 20:38:13.666 (UTC)
Location : Latitude: 43.927 N, Longitude: 11.528 E
Area :Mugello
Depth (km) :11.54
Distances (km) : 3.8 --- Dicomano
5.1 --- Vicchio
7.3 --- San Godenzo
7.9 --- Londa
11.5 --- Borgo San Lorenzo
11.9 --- Rufina
15.8 --- Scarperia
16.7 --- San Piero a Sieve
17.1 --- Pelago
18.1 --- Marradi
18.1 --- Pontassieve
19.8 --- Vaglia
20.1 --- Stia
20.9 --- Palazzuolo sul Senio
21.0 --- Premilcuore
21.8 --- Pratovecchio
22.0 --- Montemignaio
22.9 --- Fiesole
23.3 --- Portico e San Benedetto
23.5 --- Rignano sull Arno

Quality location estimate: Erh: 0.9 km, Erz: 1.1 km, Nf: 31, Gap: 147 °, 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.
RUFIIV2025-07-29 20:38:16.8500.01300.021.632025-07-29 20:38:18.9000.0571-0.360.9715.2
LMDIV2025-07-29 20:38:17.7000.0130-1.540.002025-07-29 20:38:20.7050.0400-2.890.0024.9
MTRZIV2025-07-29 20:38:22.2500.0231-0.041.642025-07-29 20:38:29.1540.0400-0.141.4345.4
OSSCIV2025-07-29 20:38:23.2560.0200-0.341.052025-07-29 20:38:30.9320.04000.061.2851.7
IMOLIV2025-07-29 20:38:23.9000.0271-0.011.582025-07-29 20:38:32.2100.2366-0.111.1652.4
CSNTIV2025-07-29 20:38:23.8800.0281-0.370.962025-07-29 20:38:32.0800.16450.101.1255.1
POPMGU2025-07-29 20:38:25.1100.0331-0.051.562025-07-29 20:38:34.1800.19950.460.5164.1
ZCCAIV2025-07-29 20:38:26.5300.0381-0.061.53--:---.-----.---.-- 65.5
MAIMGU2025-07-29 20:38:28.6300.0422-0.021.462025-07-29 20:38:39.9400.25470.280.7983.8
PIIIV2025-07-29 20:38:28.6300.0432-0.221.312025-07-29 20:38:39.3600.2637-0.590.6084.3
CARDGU2025-07-29 20:38:29.3780.02000.580.262025-07-29 20:38:40.0030.04000.161.0085.2
GSCLGU2025-07-29 20:38:30.5020.02000.031.352025-07-29 20:38:42.3550.0400-0.480.7689.4
SARMGU2025-07-29 20:38:30.7300.05320.061.292025-07-29 20:38:42.7400.0400-0.311.0295.3
VLCMN2025-07-29 20:38:30.5050.0200-0.101.442025-07-29 20:38:42.5330.0400-0.370.9495.5
PLMAIV2025-07-29 20:38:36.6000.06830.560.342025-07-29 20:38:52.1150.0400-0.240.97135.0
MSSAIV2025-07-29 20:38:40.6130.0200-0.340.992025-07-29 20:39:02.3210.04001.340.06166.6


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth
MTRZ IVHH2.622.35e+045.4349
OSSC IVHH2.742.35e+051.7207
POPM GUHH2.137.55e-164.1282
MAIM GUHH2.645.85e-183.8269
PII IVHH2.484.49e-184.3255
CARD GUHH2.464.18e-185.2278
GSCL GUHH2.463.76e-189.4302
SARM GUEH2.585.18e-195.3288
VLC MNHH2.231.33e-195.5286
PLMA IVHH2.371.07e-1135.0276
MSSA IVHH2.315.41e-2166.6286


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.
(°)
MTRZ IVHHZ1.5182e-59.2650e-67.2052e-69.2106e-67.3116e-62.1369e-54.0160e-51.0968e-56.1275e-745.4349
MTRZ IVHHN2.4996e-51.3272e-51.4444e-51.5520e-51.0596e-53.0127e-58.7124e-51.3818e-57.1772e-745.4349
MTRZ IVHHE1.0480e-56.5043e-65.1038e-66.4446e-63.1397e-61.4407e-52.6573e-54.2996e-62.9838e-745.4349
OSSC IVHHZ1.5776e-58.3282e-67.7924e-68.9168e-64.2626e-64.6738e-53.8153e-54.5970e-63.4005e-751.7207
OSSC IVHHN2.8855e-51.3338e-51.0469e-51.1411e-56.6516e-69.0286e-57.0019e-58.1341e-65.9120e-751.7207
OSSC IVHHE5.4494e-51.4523e-51.5475e-51.3735e-55.4879e-69.6314e-55.2335e-56.0507e-66.0468e-751.7207
POPM GUHHZ6.7614e-63.1002e-63.3053e-63.0924e-61.4216e-61.8187e-51.8880e-51.5493e-61.2854e-764.1282
POPM GUHHN1.5424e-56.8200e-66.0782e-63.6452e-61.2535e-63.1676e-53.2298e-51.6910e-61.8337e-764.1282
POPM GUHHE1.3922e-55.2925e-65.3793e-64.2039e-62.5225e-62.4802e-55.0499e-53.3937e-62.4883e-764.1282
MAIM GUHHZ3.5028e-62.3899e-62.3895e-62.2874e-61.1281e-66.2799e-61.6888e-51.6337e-68.5382e-883.8269
MAIM GUHHN5.6586e-63.9136e-62.9874e-63.9886e-62.3177e-61.3779e-51.7733e-52.5454e-61.5542e-783.8269
MAIM GUHHE4.2712e-62.0952e-62.0028e-61.9028e-69.1561e-79.5862e-61.6232e-51.2038e-67.4762e-883.8269
PII IVHHZ5.2538e-62.0976e-61.8873e-61.6320e-61.2467e-61.1135e-51.1208e-52.0358e-68.3912e-884.3255
PII IVHHN5.4408e-62.9249e-62.8152e-62.1809e-61.3765e-68.3201e-62.5652e-51.6303e-69.5303e-884.3255
PII IVHHE5.3451e-62.9034e-63.0439e-62.5631e-61.4682e-61.0360e-51.5573e-52.1711e-61.1774e-784.3255
CARD GUHHZ4.2697e-61.8110e-61.7601e-61.3452e-66.3594e-77.2139e-61.5282e-58.4713e-75.9987e-885.2278
CARD GUHHN6.9827e-62.8551e-62.3786e-62.8069e-62.1676e-61.7067e-51.2814e-52.7677e-61.1823e-785.2278
CARD GUHHE7.6283e-62.6397e-63.1805e-62.2723e-61.0379e-62.0514e-52.1757e-51.7207e-61.0619e-785.2278
GSCL GUHHZ1.9364e-69.9976e-71.0495e-61.1294e-68.5291e-73.2390e-68.6908e-69.6757e-74.7928e-889.4302
GSCL GUHHN4.7402e-62.3277e-62.4766e-62.8932e-61.8354e-65.3959e-61.7588e-52.2291e-61.2238e-789.4302
GSCL GUHHE4.9106e-62.1110e-61.9267e-61.5007e-68.3340e-75.9801e-61.8071e-51.1123e-68.0079e-889.4302
SARM GUEHZ1.7185e-69.4826e-78.7397e-71.1475e-65.7499e-72.6671e-66.5538e-66.4773e-74.7772e-895.3288
SARM GUEHN3.5933e-62.7601e-62.0454e-63.7127e-61.2745e-64.1078e-67.6083e-61.3968e-61.2099e-795.3288
SARM GUEHE2.7865e-62.0588e-61.4213e-62.5219e-69.4570e-73.2892e-65.1087e-61.1165e-68.7441e-895.3288
VLC MNHHZ1.1949e-65.9597e-75.0269e-75.9617e-72.7630e-72.4280e-62.9533e-63.1953e-72.3345e-895.5286
VLC MNHHN1.8114e-67.7573e-77.8433e-79.0449e-75.6396e-73.1283e-64.0161e-66.4777e-73.4555e-895.5286
VLC MNHHE1.5846e-65.4743e-74.9776e-75.6623e-72.5661e-72.8550e-62.4378e-63.4506e-72.0396e-895.5286
PLMA IVHHZ9.2789e-74.0245e-74.5871e-74.1786e-71.4439e-72.0109e-63.1222e-61.6078e-71.3078e-8135.0276
PLMA IVHHN1.6472e-66.3459e-75.7656e-73.5587e-71.6525e-72.9500e-65.2103e-62.4483e-72.1459e-8135.0276
PLMA IVHHE1.1059e-64.4933e-74.3321e-74.5646e-71.8420e-72.3995e-64.1910e-61.8406e-71.6465e-8135.0276
MSSA IVHHZ4.5444e-71.7940e-71.8401e-71.7974e-78.1893e-81.0804e-61.2181e-69.5573e-87.0943e-9166.6286
MSSA IVHHN3.3951e-71.4412e-71.5637e-71.1588e-75.3458e-81.0162e-61.0490e-66.7421e-84.7680e-9166.6286
MSSA IVHHE5.0093e-71.9312e-71.7992e-71.6239e-76.4762e-89.2397e-71.0278e-66.8174e-86.3291e-9166.6286
*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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