MANUAL Location - Area: Appennino pistoiese , magnitude (ML): 1.0
2025-02-01 06:42:17 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-02-03 08:19:49

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Earthquake info - Manual location
Event - ID :250201064154
Magnitude (ML) :1.0 +/- 0.2
Origin Time :2025-02-01 06:42:17.278 (UTC)
Location : Latitude: 44.045 N, Longitude: 11.129 E
Area :Appennino pistoiese
Depth (km) :14.02
Distances (km) : 2.4 --- Cantagallo
2.5 --- Vernio
8.8 --- Vaiano
9.9 --- Barberino di Mugello
11.2 --- Castiglione dei Pepoli
12.3 --- Sambuca Pistoiese
14.3 --- Camugnano
14.8 --- Montemurlo
14.8 --- Granaglione
14.8 --- Montale
15.0 --- Castel di Casio
17.5 --- Porretta Terme
18.0 --- San Piero a Sieve
18.3 --- Prato
18.5 --- Agliana
18.9 --- Scarperia
19.6 --- Vaglia
20.6 --- Calenzano
20.9 --- San Benedetto Val di Sambro
21.2 --- Pistoia

Quality location estimate: Erh: 1 km, Erz: 1.8 km, Nf: 24, Gap: 65 °, Rms: 0.28


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.
SEIIV2025-02-01 06:42:21.7580.0130-0.021.832025-02-01 06:42:24.8400.0822-0.600.7123.5
POPMGU2025-02-01 06:42:23.5500.05220.260.742025-02-01 06:42:27.7000.1133-0.151.4033.1
ZCCAIV2025-02-01 06:42:25.5640.02000.121.582025-02-01 06:42:31.8360.0400-0.031.6539.0
RUFIIV2025-02-01 06:42:25.1500.06530.051.822025-02-01 06:42:30.7400.3027-0.251.2240.6
MTRZIV2025-02-01 06:42:25.6930.02000.870.022025-02-01 06:42:32.7170.04001.810.0040.7
BDIIV2025-02-01 06:42:25.5300.02410.051.862025-02-01 06:42:31.5600.1464-0.061.5145.1
LMDIV2025-02-01 06:42:26.2700.0200-0.840.332025-02-01 06:42:33.1500.1494-1.420.1648.4
CARDGU2025-02-01 06:42:27.4420.02000.580.072025-02-01 06:42:33.9060.10020.051.5253.7
MAIMGU2025-02-01 06:42:26.9180.0200-0.350.942025-02-01 06:42:34.0920.0400-0.500.9054.9
GSCLGU2025-02-01 06:42:27.7460.0200-0.420.922025-02-01 06:42:35.7200.1785-0.560.8656.8
PIIIV2025-02-01 06:42:28.5510.02000.001.792025-02-01 06:42:36.0700.2006-0.710.6861.8
CSNTIV2025-02-01 06:42:28.3920.0803-1.390.142025-02-01 06:42:38.8210.04000.121.3566.3


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
SEI IVHH1.354.38e-123.587
POPM GUHH1.002.09e-133.1270
ZCCA IVHH1.099.24e-239.0340
MTRZ IVHH0.824.53e-240.738
BDI IVHH0.946.15e-245.1273
CARD GUHH1.064.57e-253.7268
MAIM GUHH0.842.31e-254.9254
GSCL GUHH0.922.92e-256.8308
PII IVHH0.932.49e-261.8234


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 IVHHZ1.5242e-54.9862e-63.4249e-61.5312e-66.0927e-74.5396e-51.8960e-58.9400e-71.3901e-723.587
SEI IVHHN1.6428e-54.4711e-63.9292e-62.1211e-66.1432e-73.7333e-51.5724e-58.6185e-71.1057e-723.587
SEI IVHHE1.0598e-52.5623e-62.2905e-61.1054e-64.0818e-73.4621e-51.5355e-55.3711e-77.2909e-823.587
POPM GUHHZ1.6823e-52.3540e-61.0219e-62.4450e-71.5123e-72.9795e-53.9485e-62.4675e-75.2313e-833.1270
POPM GUHHN2.2166e-53.3620e-62.0748e-64.7465e-72.5172e-75.2471e-56.8080e-64.1229e-78.1513e-833.1270
POPM GUHHE2.2725e-53.5930e-61.7532e-63.8933e-72.2859e-75.4251e-56.8894e-63.8450e-77.9661e-833.1270
ZCCA IVHHZ1.0675e-63.8243e-74.2218e-72.4865e-78.9928e-84.4455e-63.2133e-61.2098e-71.5046e-839.0340
ZCCA IVHHN1.3325e-65.3262e-75.5443e-74.3260e-71.7133e-72.8938e-62.8711e-62.0903e-72.2012e-839.0340
ZCCA IVHHE2.0414e-66.0214e-76.6119e-73.7335e-71.5960e-73.7992e-64.0965e-62.2457e-72.5531e-839.0340
MTRZ IVHHZ1.2959e-61.8475e-71.2800e-79.0199e-83.7591e-81.9663e-68.7821e-74.5780e-84.3259e-940.738
MTRZ IVHHN1.3838e-63.9877e-73.3405e-72.4687e-71.1523e-72.0381e-61.9043e-61.4136e-71.2829e-840.738
MTRZ IVHHE1.2067e-63.7502e-73.3733e-72.7038e-78.8726e-82.4711e-62.3342e-61.0573e-71.0907e-840.738
BDI IVHHZ5.1209e-67.2492e-74.5214e-71.6524e-78.0313e-89.1936e-63.4324e-61.1383e-71.6011e-845.1273
BDI IVHHN5.4075e-69.5580e-74.6045e-72.2189e-79.4716e-82.1861e-51.9478e-61.3746e-72.2287e-845.1273
BDI IVHHE4.9613e-67.5687e-75.6663e-72.1707e-79.1075e-81.3694e-52.9126e-61.3771e-71.9058e-845.1273
CARD GUHHZ3.4586e-64.3810e-71.5554e-77.6003e-83.5787e-85.5203e-69.3914e-74.1375e-88.9961e-953.7268
CARD GUHHN6.5877e-67.6213e-74.1095e-71.4711e-76.5109e-81.4161e-52.2326e-69.4440e-81.5588e-853.7268
CARD GUHHE5.9921e-67.6351e-74.9818e-72.3340e-71.3659e-71.5102e-52.6361e-62.1577e-72.8770e-853.7268
MAIM GUHHZ9.8751e-71.7816e-71.2137e-76.7676e-83.1553e-83.0982e-66.2758e-74.7036e-84.8916e-954.9254
MAIM GUHHN1.6084e-63.3719e-71.8886e-71.1140e-75.0811e-84.8900e-67.5465e-77.5580e-81.0141e-854.9254
MAIM GUHHE2.3072e-63.1318e-71.5898e-77.0864e-82.9605e-86.9752e-66.4484e-74.2915e-87.1515e-954.9254
GSCL GUHHZ9.8423e-71.1559e-79.0654e-84.0946e-82.1448e-81.1332e-65.5860e-72.0832e-82.8441e-956.8308
GSCL GUHHN2.0689e-63.2609e-72.7211e-71.1776e-78.7821e-82.2109e-61.6412e-61.3925e-71.4157e-856.8308
GSCL GUHHE9.9206e-72.5720e-72.2170e-71.0597e-79.7797e-81.8950e-61.0115e-61.5721e-71.1186e-856.8308
PII IVHHZ1.0151e-62.6858e-71.7945e-75.4917e-83.3594e-82.7438e-61.1074e-64.8397e-86.7514e-961.8234
PII IVHHN1.2744e-62.5449e-72.5741e-77.4533e-83.5470e-84.7600e-62.1843e-65.2274e-87.3278e-961.8234
PII IVHHE1.4875e-62.9191e-72.4499e-76.7352e-83.1063e-83.8712e-61.4745e-64.7839e-86.6951e-961.8234
*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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