MANUAL Location - Area: Appennino pistoiese , magnitude (ML): 0.5
2025-06-04 09:49:09 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-06-04 10:49:09

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Earthquake info - Manual location
Event - ID :250604094741
Magnitude (ML) :0.5 +/- 0.2
Origin Time :2025-06-04 09:49:09.189 (UTC)
Location : Latitude: 44.228 N, Longitude: 10.745 E
Area :Appennino pistoiese
Depth (km) :6.88
Distances (km) : 2.2 --- Sestola
3.2 --- Montecreto
4.6 --- Fanano
7.3 --- Riolunato
9.1 --- Lama Mocogno
9.3 --- Fiumalbo
10.5 --- Pievepelago
11.1 --- Abetone
13.1 --- Palagano
13.3 --- Polinago
13.9 --- Pavullo nel Frignano
13.9 --- Lizzano in Belvedere
14.1 --- Cutigliano
15.4 --- Gaggio Montano
15.6 --- Frassinoro
16.6 --- Montese
17.3 --- Montefiorino
19.3 --- San Marcello Pistoiese
20.1 --- Porretta Terme
21.4 --- Castel d Aiano

Quality location estimate: Erh: 1.5 km, Erz: 0.4 km, Nf: 16, Gap: 123 °, Rms: 0.12


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.
GSCLGU2025-06-04 09:49:13.1200.0773-0.490.192025-06-04 09:49:16.4900.0591-0.180.6920.0
POPMGU2025-06-04 09:49:13.3100.0120-0.041.602025-06-04 09:49:16.2600.0661-0.091.2521.6
BDIIV2025-06-04 09:49:13.7000.01300.011.762025-06-04 09:49:17.0600.07120.130.9323.2
ZCCAIV2025-06-04 09:49:14.6730.0200-0.031.652025-06-04 09:49:19.8130.04000.990.0024.2
SARMGU2025-06-04 09:49:14.7800.02000.071.452025-06-04 09:49:18.7730.04000.071.2928.9
VLCMN2025-06-04 09:49:15.0000.04520.071.392025-06-04 09:49:18.9300.0932-0.150.9230.5
CARDGU2025-06-04 09:49:15.0600.01700.001.732025-06-04 09:49:19.1600.2476-0.150.8031.5
MAIMGU2025-06-04 09:49:16.0340.0200-0.740.132025-06-04 09:49:21.7630.0400-0.610.2441.0


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth
GSCL GUHH0.366.12e-220.0318
POPM GUHH0.742.54e-121.6177
BDI IVHH0.791.57e-123.2213
ZCCA IVHH0.052.09e-224.253
SARM GUEH0.252.85e-228.9260
VLC MNHH0.512.77e-230.5255
CARD GUHH0.634.86e-231.5223
MAIM GUHH0.331.30e-241.0210


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.
(°)
GSCL GUHHZ2.6375e-62.6833e-71.7042e-75.7884e-83.2742e-82.7672e-61.1781e-64.4240e-86.3766e-920.0318
GSCL GUHHN3.6826e-68.0820e-75.0162e-71.7183e-78.0547e-81.3260e-52.5302e-61.3169e-71.7731e-820.0318
GSCL GUHHE3.2478e-67.5422e-74.7612e-71.8473e-79.2018e-81.1035e-53.0540e-61.3605e-72.0047e-820.0318
POPM GUHHZ5.0068e-55.5461e-69.4820e-72.1486e-71.1148e-74.2181e-53.0352e-61.8999e-73.8715e-821.6177
POPM GUHHN3.3635e-53.8425e-61.7185e-63.9029e-72.4069e-74.8009e-56.2977e-63.7497e-76.6659e-821.6177
POPM GUHHE1.6063e-53.7937e-62.3457e-65.9034e-73.1335e-75.3970e-51.1021e-54.5745e-78.5696e-821.6177
BDI IVHHZ1.7189e-51.9161e-66.1974e-71.9045e-78.9312e-81.2531e-54.4470e-61.4367e-72.8981e-823.2213
BDI IVHHN1.0200e-51.7714e-61.2482e-65.2905e-72.3266e-73.3464e-56.8960e-63.3932e-74.9446e-823.2213
BDI IVHHE1.1563e-51.3946e-67.9489e-72.3489e-71.0138e-72.0774e-54.4197e-61.6766e-73.2583e-823.2213
ZCCA IVHHZ1.0224e-61.6647e-71.3419e-78.7246e-84.0332e-82.1330e-65.6792e-74.8594e-84.6631e-924.253
ZCCA IVHHN1.2455e-61.6385e-71.9054e-71.2173e-75.3740e-81.8435e-61.0846e-65.4934e-85.3343e-924.253
ZCCA IVHHE1.0545e-61.9991e-72.1229e-71.1541e-73.9388e-81.9733e-61.6580e-64.8628e-86.4740e-924.253
SARM GUEHZ1.4793e-61.9121e-71.3516e-79.5432e-84.1578e-82.5207e-67.9177e-74.9723e-84.9180e-928.9260
SARM GUEHN1.5518e-62.7688e-71.9635e-71.3288e-75.1797e-83.4996e-68.5557e-76.3534e-88.1527e-928.9260
SARM GUEHE1.4983e-62.3804e-71.1539e-77.1440e-82.9544e-84.3062e-65.3423e-73.2798e-85.7039e-928.9260
VLC MNHHZ4.3159e-66.1259e-71.2545e-74.7537e-82.6598e-83.3459e-64.1304e-73.5879e-88.3277e-930.5255
VLC MNHHN3.0103e-63.3888e-72.3122e-78.5148e-84.4374e-84.6252e-61.0791e-66.7828e-88.6141e-930.5255
VLC MNHHE2.6324e-63.5736e-72.1743e-76.7054e-83.6913e-88.4650e-68.6115e-74.8445e-81.0034e-830.5255
CARD GUHHZ4.0558e-64.7351e-71.3259e-75.8350e-83.0443e-87.5833e-65.2192e-75.0326e-87.1486e-931.5223
CARD GUHHN6.1117e-67.4178e-73.0487e-78.8548e-84.4748e-81.3065e-58.6754e-78.1379e-81.5873e-831.5223
CARD GUHHE6.0237e-68.6729e-74.5404e-71.1470e-75.6787e-82.1541e-51.0974e-69.7007e-81.9652e-831.5223
MAIM GUHHZ5.8849e-79.2674e-86.0395e-83.0561e-81.6866e-81.5244e-63.5800e-72.4906e-82.7509e-941.0210
MAIM GUHHN6.5071e-71.2448e-71.0392e-75.7489e-82.2635e-82.2560e-66.3720e-72.6265e-84.3079e-941.0210
MAIM GUHHE6.3256e-71.0459e-79.1963e-86.0411e-83.4225e-82.1881e-65.6791e-73.6272e-83.3259e-941.0210
*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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