MANUAL Location - Area: Appennino pistoiese , magnitude (ML): 0.6
2025-06-11 21:22:28 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-06-12 09:34:01

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Earthquake info - Manual location
Event - ID :250611212158
Magnitude (ML) :0.6 +/- 0.2
Origin Time :2025-06-11 21:22:28.493 (UTC)
Location : Latitude: 44.179 N, Longitude: 10.964 E
Area :Appennino pistoiese
Depth (km) :23.14
Distances (km) : 2.6 --- Porretta Terme
3.3 --- Gaggio Montano
5.9 --- Lizzano in Belvedere
6.1 --- Castel di Casio
8.7 --- Granaglione
8.7 --- Sambuca Pistoiese
10.0 --- Camugnano
10.4 --- Montese
11.8 --- Castel d Aiano
13.9 --- Fanano
16.2 --- Castiglione dei Pepoli
16.4 --- Sestola
16.7 --- Vergato
17.6 --- Grizzana Morandi
18.6 --- Cutigliano
19.0 --- Zocca
19.2 --- San Marcello Pistoiese
20.2 --- Cantagallo
20.3 --- Pavullo nel Frignano
20.6 --- Vernio

Quality location estimate: Erh: 1.7 km, Erz: 1.4 km, Nf: 14, Gap: 160 °, Rms: 0.13


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.
ZCCAIV2025-06-11 21:22:32.3000.0120-2.490.002025-06-11 21:22:36.0160.0400-3.620.0030.6
POPMGU2025-06-11 21:22:34.4300.02000.002.252025-06-11 21:22:38.7500.0892-0.031.7832.4
BDIIV2025-06-11 21:22:35.7300.01900.012.172025-06-11 21:22:41.0050.11430.031.5440.0
GSCLGU2025-06-11 21:22:35.4380.0200-1.340.052025-06-11 21:22:41.7900.0400-1.010.0542.8
MTRZIV2025-06-11 21:22:37.2110.0200-0.022.092025-06-11 21:22:44.7080.04000.730.0846.2
SARMGU2025-06-11 21:22:37.6200.0331-0.002.042025-06-11 21:22:44.2000.16250.001.3351.0
MAIMGU2025-06-11 21:22:37.6230.0200-0.260.552025-06-11 21:22:45.6700.16551.100.0853.3


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
ZCCA IVHH0.645.20e-230.63
POPM GUHH0.831.47e-132.4228
BDI IVHH0.907.17e-240.0246
MTRZ IVHH0.632.27e-246.268
SARM GUEH0.331.13e-251.0271
MAIM GUHH0.531.22e-253.3232


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.
(°)
ZCCA IVHHZ2.4400e-63.5953e-72.9121e-71.6380e-77.8037e-84.6717e-61.7581e-68.6957e-87.7354e-930.63
ZCCA IVHHN3.0324e-63.8546e-74.5795e-72.7164e-78.8501e-85.5099e-62.8363e-61.1676e-71.4380e-830.63
ZCCA IVHHE1.9604e-64.2061e-74.5276e-72.8084e-71.1277e-73.6364e-62.9423e-61.3331e-71.2932e-830.63
POPM GUHHZ7.8906e-61.0777e-67.2923e-72.2078e-71.1090e-71.2716e-54.2852e-61.7465e-72.9074e-832.4228
POPM GUHHN8.7761e-62.0672e-61.5405e-64.0869e-71.9656e-71.8628e-58.6242e-62.8368e-74.9533e-832.4228
POPM GUHHE8.6821e-61.7414e-61.2584e-62.7114e-71.6055e-72.5003e-56.7174e-62.6178e-74.6340e-832.4228
BDI IVHHZ2.5760e-63.3033e-72.7949e-79.9132e-84.3848e-84.6553e-62.1757e-66.1095e-89.2627e-940.0246
BDI IVHHN2.6073e-66.0661e-75.8338e-73.1311e-71.2533e-71.0158e-53.5346e-61.7820e-72.2152e-840.0246
BDI IVHHE2.9395e-65.8107e-74.6658e-71.6491e-77.0208e-87.3867e-62.8924e-61.0116e-71.4697e-840.0246
GSCL GUHHZ2.2101e-74.1225e-82.6928e-81.6608e-81.0917e-87.9561e-71.2512e-71.2954e-89.7855e-1042.8303
GSCL GUHHN3.5476e-71.0011e-77.5754e-82.9311e-81.4536e-81.4134e-64.4968e-71.7942e-82.5190e-942.8303
GSCL GUHHE4.5209e-77.9645e-86.0809e-82.6700e-81.4820e-81.4347e-63.2499e-71.7429e-81.8701e-942.8303
MTRZ IVHHZ3.8748e-76.8182e-85.1789e-83.2238e-81.4496e-84.9684e-74.5995e-71.8422e-82.0215e-946.268
MTRZ IVHHN8.8759e-71.2453e-71.1344e-79.1533e-83.1794e-81.2281e-64.9229e-73.7808e-84.0054e-946.268
MTRZ IVHHE8.3564e-71.8935e-71.4733e-71.3893e-77.3299e-81.1548e-61.0211e-68.0314e-81.0342e-846.268
SARM GUEHZ4.7737e-78.0486e-85.7016e-82.3184e-81.0176e-89.7598e-74.4267e-71.5569e-81.9100e-951.0271
SARM GUEHN8.7701e-71.6292e-71.1037e-75.3493e-82.3143e-81.9144e-64.4164e-72.8237e-84.7069e-951.0271
SARM GUEHE7.6853e-71.1979e-78.8197e-84.2582e-81.8979e-81.5593e-67.8553e-72.2958e-82.7392e-951.0271
MAIM GUHHZ3.6299e-75.4692e-84.6508e-83.5037e-81.4241e-81.2143e-62.7399e-71.5608e-81.9894e-953.3232
MAIM GUHHN5.6881e-71.2503e-71.0027e-77.5097e-84.1847e-82.4513e-67.1650e-74.4547e-84.1658e-953.3232
MAIM GUHHE3.5881e-78.8926e-86.1601e-86.2355e-83.9337e-89.2596e-72.3424e-75.4313e-83.6362e-953.3232
*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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