MANUAL Location - Area: Garfagnana , magnitude (ML): 1.7
2025-09-05 20:27:42 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-09-08 09:41:28

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Earthquake info - Manual location
Event - ID :250905202717
Magnitude (ML) :1.7 +/- 0.2
Origin Time :2025-09-05 20:27:42.892 (UTC)
Location : Latitude: 44.235 N, Longitude: 10.290 E
Area :Garfagnana
Depth (km) :7.18
Distances (km) : 1.6 --- Sillano
4.3 --- Giuncugnano
5.6 --- Piazza al Serchio
8.5 --- San Romano in Garfagnana
9.2 --- Camporgiano
9.6 --- Minucciano
9.9 --- Casola in Lunigiana
10.1 --- Ligonchio
12.0 --- Villa Collemandina
12.6 --- Collagna
12.9 --- Careggine
13.1 --- Fivizzano
13.3 --- Vagli Sotto
13.5 --- Castiglione di Garfagnana
14.4 --- Comano
14.9 --- Pieve Fosciana
15.2 --- Busana
16.9 --- Castelnuovo di Garfagnana
18.9 --- Fosciandora
19.8 --- Ramiseto

Quality location estimate: Erh: 1.1 km, Erz: 1 km, Nf: 48, Gap: 56 °, Rms: 0.24


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.
SARMGU2025-09-05 20:27:45.8100.00800.041.832025-09-05 20:27:47.7700.0471-0.121.5113.4
VLCMN2025-09-05 20:27:45.9900.00800.390.792025-09-05 20:27:48.0090.04910.410.7513.8
FIVIGU2025-09-05 20:27:45.8380.02000.021.982025-09-05 20:27:47.7910.0400-0.111.6015.0
EQUIGU2025-09-05 20:27:45.9100.00900.021.982025-09-05 20:27:48.0130.0581-0.021.9315.3
ERBMIV2025-09-05 20:27:47.7500.0110-0.380.832025-09-05 20:27:51.2900.0732-0.830.3524.1
AULIT2025-09-05 20:27:47.8780.0200-0.022.062025-09-05 20:27:51.8220.04000.360.8026.4
GSCLGU2025-09-05 20:27:48.4600.0140-0.420.772025-09-05 20:27:52.2700.0852-1.050.1928.1
CARDGU2025-09-05 20:27:48.4100.01600.230.692025-09-05 20:27:52.5190.12330.420.7028.9
CMEIT2025-09-05 20:27:48.9180.02000.081.512025-09-05 20:27:53.1340.0400-0.111.5532.1
GRAMGU2025-09-05 20:27:49.2200.0160-0.041.962025-09-05 20:27:53.9100.10430.221.0634.5
NEVIIV2025-09-05 20:27:51.6390.02001.040.122025-09-05 20:27:58.3110.04001.680.0039.5
MAIMGU2025-09-05 20:27:50.1500.0221-0.061.872025-09-05 20:27:55.4300.1253-0.231.2140.0
PLMAIV2025-09-05 20:27:50.3700.0211-0.041.902025-09-05 20:27:55.5500.1283-0.400.8641.1
POPMGU2025-09-05 20:27:50.8740.08540.011.692025-09-05 20:27:57.0600.17750.251.0543.5
CARIT2025-09-05 20:27:52.3990.0200-0.011.812025-09-05 20:27:59.5530.04000.201.1453.9
BVTIT2025-09-05 20:27:52.7290.0200-0.270.982025-09-05 20:28:00.2960.04000.270.9955.0
VRLIT2025-09-05 20:27:52.3410.0200-0.730.392025-09-05 20:27:59.8450.0400-0.540.6355.5
ZCCAIV2025-09-05 20:27:54.8000.02810.560.432025-09-05 20:28:05.1090.04002.450.0056.7
PIIIV2025-09-05 20:27:53.6700.0462-0.251.082025-09-05 20:28:01.4800.1875-0.680.5460.5
MSSAIV2025-09-05 20:27:53.8100.0311-0.330.922025-09-05 20:28:01.6400.1945-0.880.3662.7
GORRGU2025-09-05 20:27:59.6360.02000.990.142025-09-05 20:28:09.8630.0400-0.710.5289.6
OSSCIV2025-09-05 20:28:03.2640.02000.730.282025-09-05 20:28:16.3070.0400-0.470.83110.4
CSNTIV2025-09-05 20:28:03.5540.0200-0.291.082025-09-05 20:28:18.1800.3587-0.760.56116.8
PCPGU2025-09-05 20:28:06.7850.02000.251.062025-09-05 20:28:23.3240.04000.460.74142.9


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth
SARM GUEH1.431.75e+013.4123
VLC MNHH1.439.80e-113.8138
FIVI GUHN2.044.83e+015.0272
EQUI GUHH1.359.47e-115.3235
ERBM IVEH1.587.10e-124.125
GSCL GUHH1.981.35e+028.162
CARD GUHH1.869.63e-128.9147
CME ITHN1.939.36e-132.1178
GRAM GUHH1.841.19e+034.5328
NEVI IVHN1.754.08e-139.53
MAIM GUHH1.301.26e-140.0156
PLMA IVHH1.492.06e-141.1240
POPM GUHH1.655.52e-143.5119
CAR ITHN1.772.32e-153.9272
BVT ITHN1.701.87e-155.0307
ZCCA IVHH1.852.48e-156.777
PII IVHH1.751.74e-160.5162
MSSA IVHH1.356.38e-262.7279
GORR GUHH1.747.17e-289.6298
OSSC IVHH2.018.09e-2110.4136
PCP GUHH1.521.46e-2142.9284


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 GUEHZ7.1929e-51.0848e-56.5150e-62.3426e-69.4629e-72.0813e-43.5881e-51.4408e-62.6818e-713.4123
SARM GUEHN9.6649e-52.6085e-51.4994e-55.6473e-62.3215e-63.0026e-46.9261e-53.6023e-66.2543e-713.4123
SARM GUEHE1.3627e-41.7715e-59.2103e-63.7132e-61.6282e-61.9398e-45.9477e-52.5850e-64.7274e-713.4123
VLC MNHHZ8.2950e-51.1489e-53.5601e-61.4292e-61.3861e-61.1400e-41.9799e-52.3859e-62.2737e-713.8138
VLC MNHHN1.1987e-41.6779e-56.9728e-62.6288e-62.1498e-63.4789e-42.6480e-53.4785e-64.5017e-713.8138
VLC MNHHE1.0388e-41.0480e-54.7652e-62.0611e-61.3965e-61.7788e-41.7197e-52.0951e-62.0927e-713.8138
FIVI GUHNZ5.5447e-47.5826e-53.1175e-51.2088e-56.5244e-61.2395e-37.7526e-51.0024e-51.6480e-615.0272
FIVI GUHNN6.3036e-41.1425e-43.8908e-51.1334e-56.5901e-61.7151e-31.4307e-41.1791e-52.6117e-615.0272
FIVI GUHNE3.2738e-45.3921e-52.9858e-57.8293e-65.0232e-67.6804e-41.1110e-48.9563e-61.5813e-615.0272
EQUI GUHHZ1.2097e-41.6753e-59.4115e-63.4433e-62.4311e-61.8107e-44.2141e-53.6739e-64.9182e-715.3235
EQUI GUHHN1.4652e-41.4854e-56.9774e-63.4527e-61.7736e-62.4340e-43.3547e-52.3722e-63.0241e-715.3235
EQUI GUHHE1.2700e-41.3542e-57.6702e-63.3723e-61.6188e-62.5741e-43.6190e-52.4600e-62.8217e-715.3235
ERBM IVEHZ8.2318e-51.0732e-54.6123e-62.2545e-61.0963e-61.8290e-41.6182e-51.2140e-61.8058e-724.125
ERBM IVEHN1.0186e-41.5349e-57.2183e-62.1524e-61.1975e-62.8386e-44.0943e-51.5947e-62.9941e-724.125
ERBM IVEHE8.0091e-51.0698e-56.7975e-62.2056e-61.1264e-61.9380e-44.1713e-51.6751e-62.8291e-724.125
GSCL GUHHZ4.6407e-59.2827e-64.8030e-61.7228e-61.0728e-69.1829e-51.8574e-51.4671e-62.0651e-728.162
GSCL GUHHN7.0807e-51.6458e-51.3763e-54.0378e-61.8739e-62.3569e-46.7107e-52.6044e-64.2549e-728.162
GSCL GUHHE5.2851e-51.5711e-51.1003e-53.9615e-61.7086e-61.3926e-44.4045e-52.3736e-63.4401e-728.162
CARD GUHHZ6.2101e-57.8509e-62.7980e-69.6531e-74.8632e-71.1759e-41.0014e-57.5634e-71.6111e-728.9147
CARD GUHHN1.2390e-41.6278e-57.0164e-62.0064e-69.3551e-72.4809e-43.8446e-51.7599e-63.7875e-728.9147
CARD GUHHE8.2504e-51.3194e-56.7422e-61.9024e-68.2422e-72.7519e-42.6668e-51.4432e-62.5968e-728.9147
CME ITHNZ4.1083e-55.6050e-63.3111e-61.0670e-64.9860e-77.1724e-51.3041e-58.0893e-71.2631e-732.1178
CME ITHNN7.1910e-51.4498e-58.4144e-62.5289e-61.1045e-61.7061e-44.4373e-51.7504e-63.4371e-732.1178
CME ITHNE6.5062e-57.0212e-64.5023e-61.2208e-66.1178e-71.1374e-42.7259e-51.0061e-61.5126e-732.1178
GRAM GUHHZ4.8861e-51.0392e-55.4123e-61.1682e-67.4089e-71.1644e-41.7962e-51.1728e-62.2385e-734.5328
GRAM GUHHN7.5142e-51.4065e-59.4179e-62.1043e-61.0687e-62.0422e-44.9675e-51.5540e-63.1890e-734.5328
GRAM GUHHE6.2925e-51.4742e-51.1518e-53.0194e-61.5283e-61.6144e-48.4169e-52.2868e-63.7450e-734.5328
NEVI IVHNZ5.8676e-61.4629e-61.2220e-69.0705e-73.7996e-71.2755e-57.3511e-64.0280e-74.7230e-839.53
NEVI IVHNN7.6550e-62.3229e-62.3268e-61.0026e-64.8588e-71.6074e-51.2734e-56.9682e-78.0516e-839.53
NEVI IVHNE9.9910e-63.5321e-63.9687e-61.5352e-67.1858e-71.7517e-53.5809e-58.4771e-71.1710e-739.53
MAIM GUHHZ7.3041e-61.0472e-66.3448e-72.6458e-71.1844e-71.7765e-53.6168e-61.5476e-72.3326e-840.0156
MAIM GUHHN1.9221e-52.3166e-61.2397e-64.5975e-72.2089e-75.3261e-57.1473e-62.9731e-74.4517e-840.0156
MAIM GUHHE1.5729e-51.9680e-61.2675e-65.0758e-72.0693e-72.3645e-58.0957e-63.1160e-75.4168e-840.0156
PLMA IVHHZ1.4580e-51.9011e-68.9202e-74.1498e-71.8638e-72.0470e-53.4518e-62.5819e-73.7699e-841.1240
PLMA IVHHN3.4166e-54.1947e-61.8531e-67.2611e-72.9848e-78.0093e-57.3788e-65.0011e-71.0221e-741.1240
PLMA IVHHE3.7835e-54.3233e-61.4371e-66.3369e-72.8922e-77.2877e-54.6028e-64.7339e-79.6451e-841.1240
POPM GUHHZ3.0774e-54.0036e-62.6021e-65.9678e-73.1250e-71.0229e-49.0411e-64.6040e-79.0269e-843.5119
POPM GUHHN4.0920e-58.6996e-66.0679e-61.5304e-67.0568e-79.5421e-52.2488e-51.0350e-61.9869e-743.5119
POPM GUHHE5.0545e-57.6063e-65.9160e-61.2260e-66.0547e-71.5265e-41.9853e-59.5862e-71.7659e-743.5119
CAR ITHNZ8.0487e-61.3521e-68.4894e-74.6905e-73.2267e-71.6603e-54.2710e-64.0011e-73.5704e-853.9272
CAR ITHNN1.3888e-53.0780e-62.0583e-68.0304e-73.3214e-74.2350e-59.6150e-64.9033e-77.4421e-853.9272
CAR ITHNE1.0326e-52.0689e-61.3022e-65.9133e-72.9463e-74.7568e-56.8269e-64.4127e-75.4295e-853.9272
BVT ITHNZ5.8376e-69.6026e-78.8854e-74.3994e-71.9641e-71.0223e-56.5363e-62.5244e-72.8146e-855.0307
BVT ITHNN8.5694e-62.2341e-61.8554e-67.9171e-73.6999e-73.8047e-58.0211e-65.6649e-75.0871e-855.0307
BVT ITHNE1.0349e-52.2353e-61.7312e-66.9517e-72.9476e-74.4088e-56.9473e-63.6088e-75.3467e-855.0307
ZCCA IVHHZ2.2470e-68.0304e-77.3007e-74.1986e-71.8141e-74.6622e-66.4231e-62.3597e-72.6626e-856.777
ZCCA IVHHN3.0044e-61.9068e-61.5799e-61.1887e-64.5633e-75.3066e-61.0808e-56.3806e-75.8579e-856.777
ZCCA IVHHE2.4879e-61.5823e-61.3921e-61.5314e-64.3839e-75.6592e-66.7378e-65.0484e-75.6273e-856.777
PII IVHHZ7.2067e-69.7755e-79.7536e-72.7542e-71.1574e-71.5856e-57.4070e-61.7068e-72.8419e-860.5162
PII IVHHN7.9864e-61.6979e-61.3242e-64.7483e-71.6556e-72.0930e-57.8258e-62.3177e-73.8407e-860.5162
PII IVHHE1.1234e-52.3115e-61.6136e-64.5610e-71.9871e-73.2725e-59.7664e-62.9137e-75.0111e-860.5162
MSSA IVHHZ2.4150e-64.4714e-73.2252e-71.9679e-71.0094e-78.4573e-61.4762e-61.0252e-71.3009e-862.7279
MSSA IVHHN3.4836e-65.9506e-75.3114e-71.8496e-79.6701e-81.0386e-52.1848e-61.3899e-71.5273e-862.7279
MSSA IVHHE3.1509e-67.6522e-76.1479e-72.6505e-71.2645e-71.0862e-52.8382e-61.4271e-72.0707e-862.7279
GORR GUHHZ1.9695e-64.4225e-73.3721e-71.3041e-75.2309e-86.4787e-61.9227e-67.3817e-81.1568e-889.6298
GORR GUHHN3.2021e-66.9899e-76.0415e-72.5306e-71.0838e-77.0754e-62.9873e-61.7480e-72.2970e-889.6298
GORR GUHHE2.2690e-66.6410e-75.6227e-72.1480e-71.1597e-77.3959e-62.7326e-61.8066e-72.1759e-889.6298
OSSC IVHHZ7.6941e-72.6741e-72.8845e-71.8799e-76.9235e-81.4427e-61.9340e-68.0835e-88.8197e-9110.4136
OSSC IVHHN9.9543e-74.1108e-74.0390e-72.6218e-79.6368e-82.3440e-62.2567e-61.0861e-71.1918e-8110.4136
OSSC IVHHE1.5637e-66.4319e-75.4894e-73.5694e-71.7391e-72.9915e-63.3457e-62.1511e-72.1166e-8110.4136
PCP GUHHZ5.3692e-77.4197e-86.7436e-83.7579e-82.0209e-89.6198e-74.4456e-72.9744e-82.4940e-9142.9284
PCP GUHHN4.2381e-71.2865e-71.1342e-77.4261e-83.3050e-81.3820e-67.7116e-74.2535e-85.5728e-9142.9284
PCP GUHHE5.6919e-71.4335e-78.8707e-84.1685e-82.0696e-81.8142e-64.8041e-73.3503e-83.4295e-9142.9284
*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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