MANUAL Location - Area: Valdarno inferiore , magnitude (ML): 0.8
2025-06-17 07:52:35 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-06-17 09:04:06

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Earthquake info - Manual location
Event - ID :250617075214
Magnitude (ML) :0.8 +/- 0.1
Origin Time :2025-06-17 07:52:35.227 (UTC)
Location : Latitude: 43.813 N, Longitude: 10.985 E
Area :Valdarno inferiore
Depth (km) :12.15
Distances (km) : 2.8 --- Carmignano
4.0 --- Quarrata
5.5 --- Poggio a Caiano
5.6 --- Vinci
7.1 --- Lamporecchio
7.6 --- Capraia e Limite
9.3 --- Montelupo Fiorentino
9.3 --- Larciano
9.6 --- Signa
10.2 --- Agliana
10.3 --- Cerreto Guidi
10.7 --- Empoli
11.2 --- Lastra a Signa
11.7 --- Prato
12.4 --- Campi Bisenzio
13.5 --- Montemurlo
14.0 --- Montale
14.6 --- Pistoia
15.1 --- Monsummano Terme
15.3 --- Calenzano

Quality location estimate: Erh: 0.7 km, Erz: 1.3 km, Nf: 20, Gap: 108 °, Rms: 0.34


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.
POPMGU2025-06-17 07:52:41.5430.0180-0.081.682025-06-17 07:52:46.3800.1083-0.081.5034.0
PIIIV2025-06-17 07:52:42.8300.0542-0.031.862025-06-17 07:52:47.5100.1233-0.910.4540.2
OSSCIV2025-06-17 07:52:43.1420.02000.061.782025-06-17 07:52:48.5870.0400-0.161.2140.4
SEIIV2025-06-17 07:52:43.2150.0200-0.051.812025-06-17 07:52:48.5300.1334-1.080.4542.1
MAIMGU2025-06-17 07:52:43.3190.02000.031.882025-06-17 07:52:48.2400.4209-0.990.4942.9
BDIIV2025-06-17 07:52:43.5100.02310.121.432025-06-17 07:52:48.8900.1354-0.640.4043.6
RUFIIV2025-06-17 07:52:43.6400.02310.071.702025-06-17 07:52:48.9200.1374-0.920.4643.8
CSNTIV2025-06-17 07:52:43.0330.0200-1.410.342025-06-17 07:52:50.5100.1895-0.490.5546.6
SARMGU2025-06-17 07:52:46.9520.02000.290.422025-06-17 07:52:54.8000.0400-0.131.2563.7
LMDIV2025-06-17 07:52:46.6480.0200-1.380.372025-06-17 07:52:55.4460.1303-2.260.0166.0


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
POPM GUHH0.911.62e-134.0325
PII IVHH0.693.47e-240.2255
OSSC IVHH0.976.60e-240.4147
MAIM GUHH0.572.06e-242.9286
BDI IVHH0.784.56e-243.6312
SARM GUEH0.892.57e-263.7312


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.
(°)
POPM GUHHZ1.3950e-51.3271e-66.7856e-72.4699e-71.3163e-72.9567e-53.0635e-61.9360e-72.9894e-834.0325
POPM GUHHN1.8404e-53.2697e-61.7006e-63.8533e-72.0000e-75.5799e-55.0808e-63.1793e-77.2309e-834.0325
POPM GUHHE1.4981e-51.8270e-61.3771e-63.3201e-71.7111e-73.1322e-55.4215e-62.5614e-74.2326e-834.0325
PII IVHHZ2.6246e-63.7433e-72.4259e-76.2825e-83.6346e-86.1812e-61.0999e-65.6283e-88.9345e-940.2255
PII IVHHN3.1465e-64.7699e-72.9781e-78.8764e-83.7390e-81.0903e-51.0870e-65.7919e-89.6440e-940.2255
PII IVHHE3.0066e-65.6601e-72.8675e-78.4198e-84.3648e-87.1217e-61.6385e-66.8531e-81.5582e-840.2255
OSSC IVHHZ3.1600e-64.2325e-72.7401e-71.2263e-74.8479e-88.9443e-61.4566e-66.9667e-81.1093e-840.4147
OSSC IVHHN3.6750e-66.8077e-75.7799e-72.9133e-71.3445e-71.4350e-52.5421e-61.6888e-71.7421e-840.4147
OSSC IVHHE3.7362e-68.1968e-75.4066e-72.3011e-71.0741e-71.3001e-52.3908e-61.5872e-71.8733e-840.4147
SEI IVHHZ4.5128e-61.0071e-61.1159e-65.7397e-71.9380e-71.3309e-56.5196e-62.5092e-73.0756e-842.148
SEI IVHHN6.1215e-62.1295e-61.9665e-61.2944e-64.9976e-71.7194e-51.2771e-56.3326e-77.1656e-842.148
SEI IVHHE7.6198e-61.6768e-61.3993e-61.1475e-65.0734e-71.6432e-57.6308e-65.2613e-76.2574e-842.148
MAIM GUHHZ2.5742e-63.7658e-71.5974e-76.8138e-83.2814e-86.4744e-68.0197e-75.6443e-89.1950e-942.9286
MAIM GUHHN3.7852e-64.4121e-72.0911e-77.5004e-84.3704e-88.7870e-69.4884e-76.2018e-89.8061e-942.9286
MAIM GUHHE2.8872e-64.8746e-72.2086e-77.3830e-83.8058e-88.8587e-68.0864e-76.0268e-81.0336e-842.9286
BDI IVHHZ4.7770e-65.8712e-73.7456e-71.1641e-75.1530e-88.1343e-61.7985e-67.7116e-81.5283e-843.6312
BDI IVHHN6.3489e-68.3917e-74.8951e-71.4348e-77.0277e-82.7117e-52.2651e-61.0618e-71.7444e-843.6312
BDI IVHHE5.8601e-67.4281e-74.6596e-71.5438e-77.6198e-82.1249e-53.0084e-61.0084e-71.7664e-843.6312
SARM GUEHZ9.1393e-71.2792e-79.1310e-84.5418e-82.2229e-82.2280e-64.5694e-73.0106e-83.4089e-963.7312
SARM GUEHN1.2444e-62.8851e-72.4057e-71.3251e-74.8750e-82.9181e-61.0963e-66.2692e-87.9367e-963.7312
SARM GUEHE8.9320e-72.4569e-71.6205e-71.3500e-79.5410e-82.6002e-61.2072e-61.1295e-71.1219e-863.7312
*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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