MANUAL Location - Area: Alpi Apuane , magnitude (ML): 0.2
2026-03-09 21:10:26 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2026-03-10 07:42:06

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Earthquake info - Manual location
Event - ID :260309210945
Magnitude (ML) :0.2 +/- 0.2
Origin Time :2026-03-09 21:10:26.775 (UTC)
Location : Latitude: 43.954 N, Longitude: 10.455 E
Area :Alpi Apuane
Depth (km) :8.02
Distances (km) : 3.7 --- Pescaglia
5.3 --- Fabbriche di Vallico
7.8 --- Borgo a Mozzano
12.0 --- Gallicano
12.1 --- Camaiore
12.2 --- Vergemoli
12.5 --- Bagni di Lucca
12.9 --- Lucca
12.9 --- Massarosa
13.4 --- Coreglia Antelminelli
13.5 --- Barga
13.6 --- Molazzana
13.6 --- Stazzema
15.5 --- Villa Basilica
15.5 --- Capannori
17.7 --- Castelnuovo di Garfagnana
17.8 --- Pietrasanta
18.1 --- Fosciandora
18.3 --- Porcari
18.7 --- Seravezza

Quality location estimate: Erh: 1.4 km, Erz: 0.4 km, Nf: 18, Gap: 103 °, Rms: 0.20


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.
MAIMGU2026-03-09 21:10:28.7000.0090-0.270.682026-03-09 21:10:29.6450.0832-0.960.079.9
CARDGU2026-03-09 21:10:28.6200.0050-0.520.552026-03-09 21:10:29.7500.0300-1.140.0611.8
CMEIT2026-03-09 21:10:29.7630.0200-0.011.852026-03-09 21:10:32.0060.04000.011.7514.9
VLCMN2026-03-09 21:10:31.4800.01700.031.772026-03-09 21:10:34.8000.0722-0.141.1524.9
SARMGU2026-03-09 21:10:31.8700.0130-0.021.832026-03-09 21:10:35.5440.2827-0.160.9627.4
POPMGU2026-03-09 21:10:32.0400.01800.081.242026-03-09 21:10:35.7200.2106-0.171.0727.5
PIIIV2026-03-09 21:10:32.2800.0130-0.021.792026-03-09 21:10:35.9200.0812-0.500.6227.6
EQUIGU2026-03-09 21:10:33.7540.02000.710.002026-03-09 21:10:37.2870.1665-0.400.8034.7
GSCLGU2026-03-09 21:10:35.3270.0200-0.400.742026-03-09 21:10:42.1100.1374-0.191.0746.1


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
CME ITHN0.621.89e-114.9270
VLC MNHH0.131.68e-224.9346
SARM GUEH0.062.04e-227.4350
POPM GUHH0.144.14e-227.567
EQUI GUHH0.019.65e-334.7314


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.
(°)
MAIM GUHHZ8.0702e-61.6601e-61.3288e-67.1967e-74.2864e-71.3472e-51.3690e-56.0896e-75.6137e-89.9147
MAIM GUHHN8.4128e-61.5866e-61.1146e-67.7701e-72.8704e-73.1789e-53.6464e-63.7159e-76.1186e-89.9147
MAIM GUHHE1.3679e-53.9284e-63.1745e-61.4532e-68.0636e-71.5604e-52.5978e-51.1175e-61.2639e-79.9147
CARD GUHHZ2.5490e-54.0142e-62.4710e-61.6178e-67.1953e-76.6659e-51.1637e-51.0403e-61.0446e-711.815
CARD GUHHN6.5960e-51.0794e-55.2705e-61.7542e-68.7256e-79.8620e-52.4784e-51.3716e-62.4924e-711.815
CARD GUHHE9.8453e-58.9949e-64.9549e-61.6488e-68.8043e-71.4788e-41.9942e-51.3918e-62.1879e-711.815
CME ITHNZ9.8982e-61.4943e-68.6469e-73.8696e-71.9422e-72.7484e-53.5155e-62.5517e-74.1600e-814.9270
CME ITHNN1.4467e-52.6962e-61.4650e-65.7396e-72.5872e-74.0238e-56.7141e-63.5166e-76.7500e-814.9270
CME ITHNE9.4420e-61.4059e-61.2067e-66.5283e-72.8479e-72.6003e-56.1064e-62.9632e-74.5145e-814.9270
VLC MNHHZ2.9102e-63.6459e-71.1078e-75.5817e-84.4599e-83.3010e-65.9622e-75.4561e-84.7925e-924.9346
VLC MNHHN2.4467e-63.2845e-71.5277e-75.2159e-83.3017e-84.3002e-65.8016e-75.8909e-85.8092e-924.9346
VLC MNHHE2.0981e-63.5329e-71.4549e-74.9027e-82.7440e-86.7680e-68.6175e-73.0662e-86.3885e-924.9346
SARM GUEHZ8.8236e-71.2059e-77.7352e-83.4121e-81.7904e-82.0990e-62.8220e-72.5751e-83.5190e-927.4350
SARM GUEHN1.8366e-61.9703e-71.4755e-71.3258e-75.4571e-82.1217e-67.5629e-75.6025e-86.1444e-927.4350
SARM GUEHE1.0239e-61.6857e-79.7551e-86.2111e-82.5958e-82.0634e-65.2568e-73.0314e-83.6518e-927.4350
POPM GUHHZ1.9118e-64.2227e-72.0713e-79.2806e-84.3685e-84.6727e-65.1566e-75.9811e-89.1530e-927.567
POPM GUHHN2.7544e-65.5539e-73.4767e-78.4966e-84.5300e-85.8545e-61.4687e-67.6338e-81.4424e-827.567
POPM GUHHE3.1495e-66.1154e-73.4750e-71.4292e-76.6332e-86.3420e-61.2727e-69.7987e-81.7412e-827.567
PII IVHHZ8.9232e-71.3122e-79.9478e-84.3835e-81.9656e-81.7053e-64.4067e-72.5489e-83.0246e-927.6168
PII IVHHN7.6737e-79.7639e-86.8926e-83.1612e-81.3734e-81.8995e-64.2098e-71.5857e-82.2918e-927.6168
PII IVHHE1.0614e-61.5534e-71.1026e-75.0113e-82.3740e-82.3664e-67.0793e-73.2473e-84.4217e-927.6168
EQUI GUHHZ1.0582e-61.4036e-76.0812e-84.9012e-82.3470e-82.3854e-62.3791e-72.6300e-83.2728e-934.7314
EQUI GUHHN1.1279e-61.4775e-77.7549e-84.4007e-82.8697e-84.1500e-63.5843e-73.0457e-83.6062e-934.7314
EQUI GUHHE9.0692e-71.4422e-76.5924e-84.8765e-82.8128e-82.7302e-62.1503e-73.0547e-83.6722e-934.7314
GSCL GUHHZ4.5764e-71.2053e-79.5732e-88.2795e-84.1426e-81.8139e-66.4348e-74.1499e-83.4229e-946.113
GSCL GUHHN1.1464e-64.1524e-73.3737e-71.6743e-77.7158e-83.5611e-62.0905e-69.6049e-81.2378e-846.113
GSCL GUHHE7.0532e-72.5050e-72.3135e-71.1481e-74.6499e-81.7727e-61.4641e-65.9821e-87.4338e-946.113
*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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