MANUAL Location - Area: Garfagnana , magnitude (ML): 0.1
2023-02-26 03:11:07 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2023-02-27 09:03:15

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Earthquake info - Manual location
Event - ID :230226031042
Magnitude (ML) :0.1 +/- 0.2
Origin Time :2023-02-26 03:11:07.848 (UTC)
Location : Latitude: 44.208 N, Longitude: 10.288 E
Area :Garfagnana
Depth (km) :1.00
Distances (km) : 2.1 --- Sillano
2.7 --- Piazza al Serchio
3.3 --- Giuncugnano
6.3 --- San Romano in Garfagnana
6.6 --- Camporgiano
7.5 --- Minucciano
9.0 --- Casola in Lunigiana
10.0 --- Careggine
10.2 --- Villa Collemandina
10.3 --- Vagli Sotto
11.7 --- Castiglione di Garfagnana
12.9 --- Pieve Fosciana
12.9 --- Ligonchio
13.4 --- Fivizzano
14.6 --- Castelnuovo di Garfagnana
15.6 --- Collagna
15.8 --- Comano
17.1 --- Fosciandora
18.2 --- Busana
18.2 --- Molazzana

Quality location estimate: Erh: 0.6 km, Erz: 0.9 km, Nf: 16, Gap: 93 °, Rms: 0.11


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.
SARMGU2023-02-26 03:11:10.2600.01000.021.772023-02-26 03:11:11.8700.0300-0.140.989.6
EQUIGU2023-02-26 03:11:10.2500.00600.001.832023-02-26 03:11:11.9000.0360-0.071.5611.8
CARDGU2023-02-26 03:11:12.7000.01800.051.402023-02-26 03:11:16.1180.1183-0.031.2525.6
GSCLGU2023-02-26 03:11:12.7600.0200-1.230.002023-02-26 03:11:18.0600.0842-0.430.3528.7
BDIIV2023-02-26 03:11:13.5500.0150-0.001.802023-02-26 03:11:17.4200.2466-0.310.6629.6
GRAMGU2023-02-26 03:11:14.6260.0180-0.021.742023-02-26 03:11:20.5370.04001.350.0036.1
MAIMGU2023-02-26 03:11:14.3540.0200-0.500.292023-02-26 03:11:19.2300.1133-0.730.1436.7
POPMGU2023-02-26 03:11:15.6000.0211-0.071.552023-02-26 03:11:21.4160.32970.020.6741.6


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
SARM GUEH-0.109.28e-29.6107
EQUI GUHH-0.085.58e-211.8246
CARD GUHH0.424.39e-225.6143
GSCL GUHH0.373.20e-228.756
GRAM GUHH0.142.20e-236.1331
MAIM GUHH0.027.89e-336.7154
POPM GUHH0.021.42e-241.6116


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.
(°)
SARM GUEHZ7.9290e-61.1531e-64.5741e-72.2183e-78.9014e-81.6558e-52.5953e-61.1271e-72.6198e-89.6107
SARM GUEHN9.4533e-61.2080e-65.4442e-74.1125e-71.8830e-71.9426e-51.8912e-62.4204e-73.6192e-89.6107
SARM GUEHE8.0251e-61.1834e-66.2604e-73.0935e-71.7108e-71.3027e-54.1143e-62.5407e-73.6993e-89.6107
EQUI GUHHZ8.2244e-61.0564e-63.8249e-71.4423e-77.2574e-81.7611e-51.9918e-61.2462e-72.6080e-811.8246
EQUI GUHHN5.3325e-66.9504e-73.6485e-71.5235e-77.8209e-81.1613e-51.9940e-61.1725e-72.0558e-811.8246
EQUI GUHHE9.3756e-61.2409e-63.9944e-71.2401e-78.1901e-81.9935e-51.6163e-61.5626e-72.8246e-811.8246
CARD GUHHZ3.9059e-64.7087e-71.0694e-73.5946e-82.3100e-86.9893e-64.4331e-74.6376e-89.0864e-925.6143
CARD GUHHN8.7150e-69.0168e-73.0248e-76.8772e-83.8274e-88.6767e-61.0727e-67.2257e-81.8359e-825.6143
CARD GUHHE7.2012e-67.6998e-73.2849e-77.5800e-84.6306e-81.1338e-51.1951e-68.6304e-81.7179e-825.6143
GSCL GUHHZ5.4833e-78.9827e-87.3793e-83.9912e-81.7566e-81.1352e-64.0771e-72.1683e-82.5423e-928.756
GSCL GUHHN1.1256e-62.9955e-72.4567e-71.1177e-76.5532e-83.0076e-61.3496e-61.0032e-77.9026e-928.756
GSCL GUHHE1.2124e-63.7254e-72.5433e-71.3674e-77.3471e-82.1691e-61.4242e-69.5075e-88.0318e-928.756
BDI IVHHZ1.4086e-61.4159e-75.6088e-82.0257e-89.5146e-92.0101e-63.2748e-71.4171e-83.1076e-929.6123
BDI IVHHN1.2652e-61.6867e-78.0299e-83.5392e-81.4331e-83.3402e-63.4291e-72.3573e-83.3967e-929.6123
BDI IVHHE1.4292e-61.4782e-77.6834e-83.2928e-81.3983e-83.3512e-62.8354e-71.8813e-83.7898e-929.6123
GRAM GUHHZ1.2946e-62.3338e-71.3177e-76.3262e-83.9468e-83.1652e-64.3360e-76.2969e-84.9319e-936.1331
GRAM GUHHN1.4522e-63.0860e-72.1178e-76.6300e-83.3289e-84.3075e-61.2512e-64.2754e-86.4640e-936.1331
GRAM GUHHE1.3027e-62.5113e-72.0505e-77.9990e-83.9956e-83.2268e-61.1660e-66.8092e-87.0472e-936.1331
MAIM GUHHZ5.4332e-77.3445e-84.6947e-82.0334e-89.2366e-91.1046e-62.4775e-71.1878e-81.7621e-936.7154
MAIM GUHHN6.7784e-71.2395e-77.4447e-84.3207e-81.6389e-82.4332e-63.8070e-72.0132e-82.7705e-936.7154
MAIM GUHHE7.1996e-71.0490e-76.0454e-83.3037e-81.3810e-81.6748e-62.7975e-71.9903e-82.5987e-936.7154
POPM GUHHZ2.7753e-63.7470e-79.0412e-82.9837e-81.6269e-85.4204e-63.9680e-72.5283e-84.7271e-941.6116
POPM GUHHN1.5447e-62.2750e-71.6278e-74.6167e-81.9335e-84.7395e-66.8729e-72.6587e-85.3705e-941.6116
POPM GUHHE1.1375e-62.1935e-71.4487e-74.9327e-82.1058e-83.1854e-67.4832e-73.2994e-85.1986e-941.6116
*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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