MANUAL Location - Area: Garfagnana , magnitude (ML): 1.1
2026-09-11 10:57:46 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2026-09-11 11:59:20

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Earthquake info - Manual location
Event - ID :260911105610
Magnitude (ML) :1.1 +/- 0.2
Origin Time :2026-09-11 10:57:46.471 (UTC)
Location : Latitude: 44.139 N, Longitude: 10.576 E
Area :Garfagnana
Depth (km) :2.02
Distances (km) : 7.2 --- Abetone
7.4 --- Fiumalbo
8.1 --- Pievepelago
9.3 --- Coreglia Antelminelli
9.5 --- Fosciandora
10.2 --- Barga
12.0 --- Riolunato
13.1 --- Pieve Fosciana
13.3 --- Castiglione di Garfagnana
13.5 --- Castelnuovo di Garfagnana
14.1 --- Gallicano
14.3 --- Bagni di Lucca
14.5 --- Villa Collemandina
14.5 --- Molazzana
15.1 --- Cutigliano
16.7 --- Montecreto
17.5 --- Frassinoro
17.8 --- Borgo a Mozzano
18.1 --- Vergemoli
18.6 --- Sestola

Quality location estimate: Erh: 0.8 km, Erz: 1.6 km, Nf: 28, Gap: 72 °, Rms: 0.15


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.
BDIIV2026-09-11 10:57:48.4900.01500.021.982026-09-11 10:57:49.8700.0270-0.061.729.1
CARDGU2026-09-11 10:57:49.4500.01800.051.862026-09-11 10:57:51.4960.1002-0.041.6114.8
SARMGU2026-09-11 10:57:49.5300.0180-0.002.002026-09-11 10:57:51.7040.0491-0.071.5815.2
VLCMN2026-09-11 10:57:49.6900.01800.180.962026-09-11 10:57:51.6750.3557-0.050.9115.6
POPMGU2026-09-11 10:57:50.2100.01400.121.442026-09-11 10:57:53.2600.05410.510.1618.0
VGLIT2026-09-11 10:57:51.0550.02000.171.062026-09-11 10:57:54.2560.04000.141.3523.2
GSCLGU2026-09-11 10:57:51.6000.0150-0.011.992026-09-11 10:57:55.2000.0712-0.021.6623.7
MAIMGU2026-09-11 10:57:51.2600.0221-0.150.832026-09-11 10:57:55.0860.12530.031.4926.1
CMEIT2026-09-11 10:57:52.1050.0200-0.031.892026-09-11 10:57:55.8400.0400-0.440.3430.2
EQUIGU2026-09-11 10:57:52.3800.0552-0.400.332026-09-11 10:57:56.9400.1013-0.440.3834.0
ZCCAIV2026-09-11 10:57:55.3830.02000.590.162026-09-11 10:58:03.7900.04003.010.0039.7
PIIIV2026-09-11 10:57:54.6080.0200-0.800.172026-09-11 10:58:01.1000.2907-0.990.1746.6
GRAMGU2026-09-11 10:57:56.8800.03410.061.682026-09-11 10:58:05.1690.04000.930.0356.5
MSSAIV2026-09-11 10:58:01.2770.0200-0.710.242026-09-11 10:58:12.0250.0400-1.470.0386.7


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
BDI IVHH1.192.11e+09.1169
CARD GUHH1.197.10e-114.8211
SARM GUEH0.732.81e-115.2290
VLC MNHH0.892.28e-115.6279
GSCL GUHH1.152.73e-123.72
MAIM GUHH0.901.14e-126.1195
CME ITHN1.211.99e-130.2227
EQUI GUHH0.614.04e-234.0275
ZCCA IVHH1.098.84e-239.753
PII IVHH0.964.79e-246.6185
GRAM GUHH1.431.76e-156.5314
MSSA IVHH1.353.14e-286.7284


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 IVHHZ2.5462e-42.4803e-51.0987e-53.4565e-61.9762e-66.0950e-44.7963e-53.0062e-65.6298e-79.1169
BDI IVHHN2.5243e-43.3483e-52.0163e-54.9961e-63.0254e-68.8338e-41.2471e-44.7421e-67.5654e-79.1169
BDI IVHHE2.5304e-43.5344e-51.6546e-56.1786e-63.1879e-66.2401e-49.6578e-54.8750e-66.9584e-79.1169
CARD GUHHZ7.7284e-51.0528e-52.5380e-68.4032e-75.3671e-72.2819e-48.4480e-61.0262e-62.3544e-714.8211
CARD GUHHN2.1814e-41.9802e-54.2965e-61.6975e-68.2911e-72.7591e-41.2635e-51.3018e-63.6554e-714.8211
CARD GUHHE1.6034e-41.9827e-55.9916e-61.8016e-68.7113e-73.3090e-41.3871e-51.4803e-63.7710e-714.8211
SARM GUEHZ2.2436e-52.8204e-61.5913e-67.8363e-73.1278e-74.3014e-55.9344e-64.7426e-77.7758e-815.2290
SARM GUEHN2.4007e-54.5605e-62.5900e-61.2668e-64.5733e-76.9359e-57.7941e-66.5875e-71.0371e-715.2290
SARM GUEHE2.3623e-52.9702e-61.9316e-61.0393e-63.7467e-76.2731e-51.1557e-55.0921e-77.7702e-815.2290
VLC MNHHZ4.0262e-54.4892e-61.3254e-66.4753e-74.3059e-75.0537e-55.3019e-65.8316e-77.0375e-815.6279
VLC MNHHN3.6743e-53.7878e-61.7981e-66.9901e-73.0640e-77.3582e-57.5591e-64.9263e-77.8587e-815.6279
VLC MNHHE3.0499e-53.6548e-61.8090e-67.7068e-74.0736e-73.8740e-55.4538e-66.5175e-78.2623e-815.6279
POPM GUHHZ1.2818e-42.1531e-51.0375e-52.7384e-61.3668e-62.1795e-44.8032e-52.2848e-64.1371e-718.0126
POPM GUHHN1.5994e-43.1318e-51.7127e-54.4741e-62.4173e-65.4411e-45.3941e-53.9111e-66.9546e-718.0126
POPM GUHHE1.7888e-44.0098e-52.3506e-54.8257e-63.1947e-65.2525e-41.0226e-45.0924e-69.2830e-718.0126
VGL ITHGZ6.0276e-57.4210e-63.9384e-61.2011e-66.2015e-71.1686e-42.0811e-58.9855e-71.8233e-723.2262
VGL ITHGN5.1553e-57.2186e-65.9782e-62.1468e-68.8336e-78.5786e-53.1074e-51.2633e-61.9118e-723.2262
VGL ITHGE8.6134e-51.3016e-58.2595e-62.7850e-61.0301e-61.3069e-43.9679e-51.6870e-62.8360e-723.2262
GSCL GUHHZ3.6548e-68.1723e-76.8452e-74.2734e-72.3235e-71.2798e-53.5213e-63.0411e-72.1887e-823.72
GSCL GUHHN9.0071e-63.0920e-62.2698e-66.8983e-73.6532e-72.2044e-51.5497e-55.3419e-77.6110e-823.72
GSCL GUHHE4.6207e-61.3892e-61.3624e-66.5739e-73.2322e-72.0159e-57.8312e-64.7445e-73.9336e-823.72
MAIM GUHHZ8.2604e-69.0887e-75.0578e-72.3157e-71.2530e-71.6404e-52.1715e-61.6345e-72.3208e-826.1195
MAIM GUHHN1.4000e-52.0093e-69.0037e-74.4097e-72.0216e-72.7859e-53.3757e-62.9259e-73.8096e-826.1195
MAIM GUHHE1.2680e-51.8969e-68.1690e-73.2271e-71.2094e-72.7503e-52.8481e-62.0057e-74.4613e-826.1195
CME ITHNZ9.7550e-61.3398e-68.5948e-73.8476e-72.3259e-73.5812e-53.9998e-63.4608e-73.2327e-830.2227
CME ITHNN1.9216e-53.2709e-61.9995e-66.5965e-73.2961e-76.3874e-57.3719e-64.9477e-77.9945e-830.2227
CME ITHNE1.8300e-52.7330e-61.5194e-64.8435e-72.6407e-75.0736e-58.7889e-63.8529e-76.1087e-830.2227
EQUI GUHHZ4.6569e-67.0112e-73.3484e-71.3917e-76.7355e-81.3648e-51.5960e-69.4476e-81.2714e-834.0275
EQUI GUHHN7.6246e-69.3301e-73.4942e-71.5010e-77.2486e-82.1924e-51.6148e-68.4481e-81.9137e-834.0275
EQUI GUHHE5.6740e-66.7945e-73.5354e-71.0171e-75.9270e-89.9989e-61.4209e-68.4593e-81.4950e-834.0275
ZCCA IVHHZ2.4774e-63.2862e-73.2448e-71.7075e-77.9833e-85.0588e-61.9405e-61.0729e-71.0291e-839.753
ZCCA IVHHN2.0557e-67.0053e-76.5756e-73.7857e-71.4445e-75.5520e-65.7689e-61.8423e-72.3069e-839.753
ZCCA IVHHE2.0234e-64.8101e-74.7142e-72.0892e-78.1377e-83.9502e-63.6249e-68.5610e-81.2539e-839.753
PII IVHHZ4.2875e-66.2559e-74.7615e-79.5204e-85.7584e-81.1512e-51.7473e-69.2525e-81.3729e-846.6185
PII IVHHN4.9013e-67.4154e-75.0533e-71.3036e-75.6677e-81.5243e-52.8266e-68.4993e-81.5370e-846.6185
PII IVHHE4.0802e-67.4317e-74.5096e-71.3879e-76.4158e-81.1352e-52.5647e-69.3919e-81.7492e-846.6185
GRAM GUHHZ3.5291e-66.1502e-74.4501e-71.2574e-75.6465e-85.6484e-61.5956e-68.1287e-81.4830e-856.5314
GRAM GUHHN5.8604e-61.4574e-61.3881e-65.8345e-72.1913e-71.0792e-57.3125e-62.9239e-74.3488e-856.5314
GRAM GUHHE5.5849e-61.7177e-61.6277e-64.9386e-72.1618e-78.6243e-61.1441e-53.0117e-74.6190e-856.5314
MSSA IVHHZ1.1081e-62.5239e-71.8985e-79.5339e-84.7429e-83.5214e-68.1568e-77.6961e-87.3717e-986.7284
MSSA IVHHN1.7765e-63.5644e-73.3396e-71.5252e-77.3991e-84.9720e-61.6652e-61.0989e-71.0449e-886.7284
MSSA IVHHE1.0121e-63.2441e-72.7660e-71.3004e-74.8643e-82.6782e-61.6097e-66.6399e-81.0959e-886.7284
*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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