MANUAL Location - Area: Garfagnana , magnitude (ML): 0.5
2026-09-17 15:21:45 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2026-09-18 08:16:39

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Earthquake info - Manual location
Event - ID :260917152120
Magnitude (ML) :0.5 +/- 0.2
Origin Time :2026-09-17 15:21:45.527 (UTC)
Location : Latitude: 44.130 N, Longitude: 10.563 E
Area :Garfagnana
Depth (km) :5.02
Distances (km) : 8.0 --- Coreglia Antelminelli
8.3 --- Fosciandora
8.3 --- Abetone
8.8 --- Barga
8.8 --- Fiumalbo
9.4 --- Pievepelago
12.1 --- Pieve Fosciana
12.3 --- Castelnuovo di Garfagnana
12.4 --- Castiglione di Garfagnana
12.7 --- Gallicano
13.1 --- Molazzana
13.3 --- Riolunato
13.4 --- Bagni di Lucca
13.6 --- Villa Collemandina
15.8 --- Cutigliano
16.7 --- Vergemoli
16.8 --- Borgo a Mozzano
17.8 --- San Romano in Garfagnana
18.1 --- Montecreto
18.2 --- Fabbriche di Vallico

Quality location estimate: Erh: 0.6 km, Erz: 0.7 km, Nf: 16, Gap: 117 °, 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.
BDIIV2026-09-17 15:21:47.5200.0100-0.091.012026-09-17 15:21:48.7300.0270-0.400.109.9
CARDGU2026-09-17 15:21:48.5300.01400.171.042026-09-17 15:21:50.4500.04110.021.3814.3
SARMGU2026-09-17 15:21:48.7300.01400.111.242026-09-17 15:21:50.8800.0441-0.011.3515.5
VLCMN2026-09-17 15:21:48.7800.01400.220.762026-09-17 15:21:51.0170.25670.230.6915.5
POPMGU2026-09-17 15:21:49.4900.01100.171.072026-09-17 15:21:52.2100.05610.091.3019.0
GSCLGU2026-09-17 15:21:50.8800.0200-0.051.242026-09-17 15:21:54.7600.07520.011.2625.2
MAIMGU2026-09-17 15:21:50.3370.02000.021.372026-09-17 15:21:53.8280.1093-0.071.0725.4
EQUIGU2026-09-17 15:21:51.4650.0200-0.250.312026-09-17 15:21:56.1200.0992-0.160.8133.4


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth
BDI IVHH0.282.20e-19.9160
CARD GUHH0.813.13e-114.3209
SARM GUEH0.431.36e-115.5295
VLC MNHH0.174.34e-215.5283
POPM GUHH0.773.50e-119.0121
GSCL GUHH0.596.68e-225.25
MAIM GUHH0.545.33e-225.4193


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.
(°)
BDI IVHHZ3.3486e-53.8901e-61.2246e-64.6359e-72.5533e-74.3514e-56.8400e-63.1757e-77.2734e-89.9160
BDI IVHHN2.3941e-53.2262e-61.9001e-65.4912e-72.3958e-74.1530e-51.6612e-54.1469e-77.7075e-89.9160
BDI IVHHE2.7193e-53.3434e-61.5757e-66.6504e-73.2602e-75.5473e-59.2350e-65.3885e-78.5740e-89.9160
CARD GUHHZ3.0248e-54.2603e-69.0651e-72.9804e-71.6683e-77.7108e-53.9122e-63.1596e-79.2526e-814.3209
CARD GUHHN3.7620e-54.8536e-61.6616e-63.7749e-72.1654e-79.2684e-54.4621e-64.2123e-71.0011e-714.3209
CARD GUHHE4.8392e-56.7365e-62.6885e-67.1807e-74.3312e-71.4745e-47.9050e-67.7279e-71.6150e-714.3209
SARM GUEHZ6.4779e-61.1843e-67.9402e-73.7387e-71.6015e-71.7642e-54.9123e-62.3798e-73.3429e-815.5295
SARM GUEHN8.0206e-62.0406e-61.1506e-64.4108e-71.5743e-71.6777e-54.8526e-62.2436e-74.3437e-815.5295
SARM GUEHE7.7319e-61.5098e-69.6599e-77.9821e-73.4123e-72.6308e-54.1841e-64.5593e-75.7563e-815.5295
VLC MNHHZ5.4305e-65.6188e-72.1043e-77.3804e-83.9644e-87.9755e-68.8635e-76.9915e-81.0024e-815.5283
VLC MNHHN7.4317e-68.1729e-73.9223e-71.5774e-77.2154e-81.0723e-51.8263e-61.0856e-71.7743e-815.5283
VLC MNHHE4.4160e-66.0698e-72.6485e-78.3781e-84.5315e-85.1343e-69.4894e-76.4695e-81.3995e-815.5283
POPM GUHHZ1.5080e-53.2186e-61.6153e-65.1651e-72.3412e-74.5829e-54.8353e-63.8436e-77.8922e-819.0121
POPM GUHHN2.6859e-55.3257e-63.3771e-69.8329e-74.0865e-78.3992e-51.1857e-56.1898e-71.1549e-719.0121
POPM GUHHE2.7075e-54.8894e-62.7759e-65.8447e-73.7452e-76.0366e-51.0368e-55.7423e-71.0642e-719.0121
GSCL GUHHZ7.5266e-71.6522e-71.2098e-76.5711e-83.6849e-81.3875e-67.7712e-74.2483e-85.4025e-925.25
GSCL GUHHN1.7878e-66.1231e-74.7490e-71.9671e-71.0820e-74.2648e-63.1305e-61.4957e-71.9196e-825.25
GSCL GUHHE8.9053e-72.4565e-72.2635e-71.5142e-71.5608e-72.3025e-61.6053e-62.4871e-71.7643e-825.25
MAIM GUHHZ2.2731e-63.3959e-71.4916e-75.4362e-82.7560e-87.7056e-66.2271e-73.7976e-87.5646e-925.4193
MAIM GUHHN6.8651e-61.0539e-64.2308e-71.1022e-76.2813e-81.9387e-51.3268e-61.0485e-72.1991e-825.4193
MAIM GUHHE3.7199e-66.6690e-72.3445e-78.1374e-84.6213e-89.5111e-69.6990e-77.0518e-81.3145e-825.4193
EQUI GUHHZ7.0422e-71.1268e-76.1071e-83.4929e-82.5367e-81.5554e-63.4140e-72.9729e-83.8019e-933.4277
EQUI GUHHN6.8709e-71.3090e-75.6412e-85.6637e-85.9975e-81.4827e-62.8842e-76.4499e-83.5205e-933.4277
EQUI GUHHE6.2910e-71.1086e-75.7587e-83.3852e-82.5048e-81.4592e-62.8185e-74.1784e-82.8486e-933.4277
*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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