MANUAL Location - Area: Garfagnana , magnitude (ML): 0.5
2023-09-26 09:53:52 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2023-09-26 12:31:33

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Earthquake info - Manual location
Event - ID :230926095307
Magnitude (ML) :0.5 +/- 0.2
Origin Time :2023-09-26 09:53:52.603 (UTC)
Location : Latitude: 44.047 N, Longitude: 10.741 E
Area :Garfagnana
Depth (km) :7.09
Distances (km) : 2.8 --- Piteglio
4.3 --- San Marcello Pistoiese
6.2 --- Cutigliano
12.6 --- Abetone
12.7 --- Marliana
12.7 --- Bagni di Lucca
15.1 --- Massa e Cozzile
15.2 --- Villa Basilica
16.7 --- Fiumalbo
17.2 --- Borgo a Mozzano
17.2 --- Serravalle Pistoiese
17.3 --- Pescia
17.3 --- Coreglia Antelminelli
17.8 --- Lizzano in Belvedere
18.3 --- Montecatini-Terme
18.4 --- Uzzano
18.5 --- Fanano
18.5 --- Buggiano
18.5 --- Granaglione
18.7 --- Pistoia

Quality location estimate: Erh: 0.8 km, Erz: 0.8 km, Nf: 12, Gap: 136 °, Rms: 0.08


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.
POPMGU2023-09-26 09:53:54.2260.00300.011.662023-09-26 09:53:54.8390.1354-0.600.047.7
BDIIV2023-09-26 09:53:55.4130.0120-0.001.652023-09-26 09:53:58.0360.36070.520.3214.1
CARDGU2023-09-26 09:53:57.1860.18070.360.382023-09-26 09:53:59.8800.3607-0.100.6222.1
MAIMGU2023-09-26 09:53:57.6730.02000.110.992023-09-26 09:54:01.2220.0400-0.051.2625.9
SARMGU2023-09-26 09:53:58.6590.0211-0.011.572023-09-26 09:54:03.2130.11430.041.1332.2
GSCLGU2023-09-26 09:54:00.0270.0803-0.051.232023-09-26 09:54:05.5030.04000.081.1536.7


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
POPM GUHH0.711.50e+07.798
BDI IVHH0.693.09e-114.1279
CARD GUHH0.223.69e-222.1264
SARM GUEH0.524.30e-232.2300
GSCL GUHH0.482.55e-236.7340


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 GUHHZ7.4868e-51.3744e-57.0292e-62.7229e-61.1935e-61.7877e-45.4376e-51.6965e-62.8125e-77.798
POPM GUHHN1.2179e-42.0325e-51.3414e-54.5988e-62.9358e-62.4009e-46.2780e-54.4323e-64.0440e-77.798
POPM GUHHE7.8825e-51.5773e-51.0542e-53.4520e-61.7294e-62.2407e-45.1322e-52.7276e-63.7599e-77.798
BDI IVHHZ8.6419e-58.2845e-62.7029e-61.2260e-67.0098e-79.0444e-51.3747e-51.2148e-62.2981e-714.1279
BDI IVHHN4.5310e-56.5706e-61.8597e-69.8371e-75.2046e-73.1442e-59.2526e-68.5113e-71.4028e-714.1279
BDI IVHHE1.0461e-49.6773e-61.8736e-69.8850e-75.1530e-76.0000e-51.0206e-51.0805e-61.9215e-714.1279
CARD GUHHZ2.6696e-62.9301e-71.3863e-75.5311e-82.4235e-84.5780e-65.7428e-73.5651e-85.8292e-922.1264
CARD GUHHN7.7297e-68.6711e-73.6052e-79.5557e-84.4043e-89.7384e-61.9431e-67.9177e-81.7004e-822.1264
CARD GUHHE5.2952e-66.9715e-72.9685e-78.2599e-84.0027e-89.6954e-61.1207e-66.1971e-81.5192e-822.1264
MAIM GUHHZ5.2060e-79.2109e-88.8261e-83.7749e-82.0099e-81.3648e-66.3398e-72.6542e-82.7485e-925.9233
MAIM GUHHN7.1710e-71.5952e-71.2921e-77.9074e-83.2961e-82.3582e-66.0208e-73.8037e-85.6931e-925.9233
MAIM GUHHE9.8969e-71.5176e-71.3419e-77.2465e-83.3038e-82.9749e-66.7797e-74.1800e-84.7785e-925.9233
SARM GUEHZ6.1210e-72.2950e-72.0114e-78.1232e-83.5996e-81.3970e-62.0755e-64.9460e-86.3965e-932.2300
SARM GUEHN1.9029e-62.0049e-71.9965e-71.3061e-74.6931e-81.4653e-67.4664e-75.8277e-87.3446e-932.2300
SARM GUEHE2.9857e-63.8328e-72.8193e-72.1161e-76.7861e-81.6833e-62.2571e-68.0793e-81.1199e-832.2300
GSCL GUHHZ4.1557e-75.8168e-85.7982e-83.2855e-81.8935e-81.1328e-63.4594e-72.2793e-82.0111e-936.7340
GSCL GUHHN9.2671e-72.0933e-71.9280e-78.2113e-83.4199e-82.4526e-69.3035e-74.6325e-85.4819e-936.7340
GSCL GUHHE9.3831e-72.3701e-72.0090e-71.0544e-79.2953e-82.7334e-61.1307e-61.7472e-78.6307e-936.7340
*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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