MANUAL Location - Area: Garfagnana , magnitude (ML): 2.8
2025-05-06 20:35:12 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-05-07 07:01:31

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Earthquake info - Manual location
Event - ID :250506203447
Magnitude (ML) :2.8 +/- 0.2
Origin Time :2025-05-06 20:35:12.248 (UTC)
Location : Latitude: 44.187 N, Longitude: 10.524 E
Area :Garfagnana
Depth (km) :13.48
Distances (km) : 7.7 --- Pievepelago
9.3 --- Fosciandora
9.9 --- Fiumalbo
9.9 --- Castiglione di Garfagnana
10.5 --- Villa Collemandina
10.7 --- Pieve Fosciana
11.4 --- Riolunato
12.2 --- Abetone
12.3 --- Castelnuovo di Garfagnana
12.8 --- Frassinoro
12.9 --- Barga
13.7 --- Coreglia Antelminelli
14.2 --- San Romano in Garfagnana
15.1 --- Molazzana
15.3 --- Camporgiano
15.6 --- Gallicano
17.0 --- Montecreto
17.5 --- Careggine
18.0 --- Piazza al Serchio
18.0 --- Palagano

Quality location estimate: Erh: 0.6 km, Erz: 0.5 km, Nf: 65, Gap: 40 °, Rms: 0.26


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.
SARMGU2025-05-06 20:35:15.4000.0080-0.131.622025-05-06 20:35:17.2600.0471-0.680.4217.5
VLCMN2025-05-06 20:35:15.7400.00900.121.752025-05-06 20:35:18.0400.0511-0.061.9118.1
BDIIV2025-05-06 20:35:16.1200.0140-0.012.012025-05-06 20:35:18.6600.0581-0.350.7420.8
CARDGU2025-05-06 20:35:16.6300.01100.181.422025-05-06 20:35:19.7000.06710.171.5022.9
GSCLGU2025-05-06 20:35:16.5400.0150-0.660.422025-05-06 20:35:18.9990.0651-1.830.0623.6
POPMGU2025-05-06 20:35:17.6100.01300.141.672025-05-06 20:35:21.3650.0862-0.011.8628.1
ERBMIV2025-05-06 20:35:18.0500.0150-0.540.422025-05-06 20:35:23.3900.0400-0.061.8130.9
EQUIGU2025-05-06 20:35:18.0300.0170-0.171.422025-05-06 20:35:21.9160.2787-0.570.6432.7
MAIMGU2025-05-06 20:35:18.3100.01700.022.022025-05-06 20:35:22.8500.10020.121.6233.5
CMEIT2025-05-06 20:35:18.4440.0200-0.012.012025-05-06 20:35:22.8280.0400-0.141.5834.3
FIVIGU2025-05-06 20:35:18.6310.02000.022.012025-05-06 20:35:23.1330.0400-0.021.8835.0
ZCCAIV2025-05-06 20:35:21.4000.02010.380.492025-05-06 20:35:29.1250.04001.480.1642.8
AULIT2025-05-06 20:35:20.5290.02000.071.902025-05-06 20:35:26.2470.0400-0.021.7846.0
NEVIIV2025-05-06 20:35:22.4070.02000.660.272025-05-06 20:35:30.5120.04001.660.1149.1
GRAMGU2025-05-06 20:35:21.6900.02610.221.222025-05-06 20:35:28.4980.10020.580.3951.7
PIIIV2025-05-06 20:35:21.7600.0271-0.271.012025-05-06 20:35:28.1900.1615-0.910.2853.4
PLMAIV2025-05-06 20:35:22.5500.02910.161.512025-05-06 20:35:29.3100.2116-0.311.0657.2
SEIIV2025-05-06 20:35:24.6600.0341-0.231.252025-05-06 20:35:34.6490.26370.221.0969.6
BVTIT2025-05-06 20:35:25.5690.02000.001.832025-05-06 20:35:34.8150.0400-0.001.5174.3
MTRZIV2025-05-06 20:35:27.3000.03611.280.202025-05-06 20:35:39.1420.04002.570.0174.4
RAVAIV2025-05-06 20:35:29.3000.09740.161.392025-05-06 20:35:42.6470.04000.450.7480.0
MSSAIV2025-05-06 20:35:26.6540.0200-0.071.712025-05-06 20:35:39.1970.04002.080.0482.7
CAVEIV2025-05-06 20:35:30.1400.0422-0.261.172025-05-06 20:35:42.8400.5129-1.770.1285.5
RUFIIV2025-05-06 20:35:28.0400.0442-0.291.062025-05-06 20:35:39.8200.3217-0.161.0788.8
LMDIV2025-05-06 20:35:29.1300.0713-1.180.162025-05-06 20:35:42.6200.0400-1.110.2296.1
CSNTIV2025-05-06 20:35:30.4200.0502-0.061.612025-05-06 20:35:43.6000.30470.220.99101.2
GORRGU2025-05-06 20:35:32.2100.05521.020.242025-05-06 20:35:46.1510.04001.110.25109.3
SERMIV2025-05-06 20:35:34.1880.0200-0.171.372025-05-06 20:35:49.5980.0400-1.670.11110.8
RNCAGU2025-05-06 20:35:34.8400.06631.170.002025-05-06 20:35:50.9290.04002.500.00129.7
TRESNI2025-05-06 20:35:38.5500.07230.211.182025-05-06 20:35:57.6890.0400-0.490.79144.7
PCPGU2025-05-06 20:35:38.1800.02000.011.422025-05-06 20:35:59.1400.04002.840.00162.7
MORSIFR2025-05-06 20:35:38.9400.08440.850.302025-05-06 20:35:56.9670.20050.300.89166.5
BALDNI2025-05-06 20:35:40.8600.2959-0.730.542025-05-06 20:36:02.3120.0400-1.050.35168.6


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth
SARM GUEH2.872.99e+117.5268
VLC MNHH2.691.10e+118.1254
BDI IVHH2.591.22e+120.8157
CARD GUHH2.992.01e+122.9191
POPM GUHH2.741.58e+128.1130
MAIM GUHH2.512.89e+033.5185
CME ITHN3.021.01e+134.3215
FIVI GUHN2.999.00e+035.0281
ZCCA IVHH2.733.39e+042.863
NEVI IVHN2.702.39e+049.1340
GRAM GUHH2.713.95e+051.7313
PII IVHH2.671.85e+053.4180
PLMA IVHH2.621.42e+057.2254
SEI IVHH2.941.97e+069.6102
BVT ITHN2.791.22e+074.3302
MTRZ IVHH2.618.06e-174.479
MSSA IVHH2.626.49e-182.7281
GORR GUHH2.845.52e-1109.3296
RNCA GUHH3.147.16e-1129.7285
PCP GUHH2.621.30e-1162.7285
MORSIFRHH2.285.00e-2166.5215
BALD NIHH3.325.30e-1168.68


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 GUEHZ1.1375e-31.5833e-48.9214e-54.8958e-52.3125e-59.0964e-44.8084e-43.5335e-55.1507e-617.5268
SARM GUEHN9.2672e-41.3425e-41.0367e-45.1231e-52.2748e-58.3106e-46.0187e-42.8210e-53.4077e-617.5268
SARM GUEHE1.0478e-33.1462e-41.7292e-41.1506e-45.5360e-51.2513e-31.2377e-38.3463e-59.2526e-617.5268
VLC MNHHZ5.6688e-48.1893e-55.6682e-53.0510e-52.1170e-56.7280e-43.3355e-43.1017e-53.7836e-618.1254
VLC MNHHN1.0514e-31.5459e-47.7028e-52.7215e-51.7548e-51.6926e-35.8854e-42.4198e-53.4194e-618.1254
VLC MNHHE6.1602e-41.1354e-46.1232e-54.4587e-53.0104e-51.5757e-32.9614e-43.9186e-53.8115e-618.1254
BDI IVHHZ7.8485e-41.3517e-47.0606e-52.3922e-51.2559e-53.2847e-32.6290e-42.0223e-53.4620e-620.8157
BDI IVHHN9.2977e-41.6037e-41.0874e-42.9992e-51.4438e-53.3926e-36.7707e-42.1590e-54.3100e-620.8157
BDI IVHHE1.3191e-32.1777e-41.1755e-44.1462e-52.4450e-53.4642e-35.1211e-43.6360e-55.6687e-620.8157
CARD GUHHZ5.3012e-48.6671e-54.4656e-53.7508e-52.4057e-52.0731e-31.7646e-42.9705e-52.4548e-622.9191
CARD GUHHN1.3905e-32.2029e-41.3271e-48.0068e-54.3458e-52.7989e-34.7177e-46.0125e-55.7492e-622.9191
CARD GUHHE1.3920e-31.9758e-41.1427e-43.7867e-52.1963e-54.2387e-32.8489e-43.1447e-54.4011e-622.9191
GSCL GUHHZ5.7534e-41.1954e-48.6256e-53.5497e-52.7948e-51.6493e-34.5328e-42.8233e-53.3089e-623.616
GSCL GUHHN1.3352e-33.8495e-42.5720e-47.3289e-54.0014e-52.8623e-31.5827e-35.8891e-58.9095e-623.616
GSCL GUHHE2.0097e-34.9175e-43.2854e-41.2830e-47.0139e-53.8540e-31.9630e-31.0847e-41.6620e-523.616
POPM GUHHZ9.8663e-41.5107e-46.0526e-51.3790e-57.7366e-61.9092e-33.7596e-41.4363e-53.0762e-628.1130
POPM GUHHN1.1728e-32.2578e-41.3618e-43.7177e-52.3634e-52.2999e-34.2913e-43.3620e-55.3278e-628.1130
POPM GUHHE9.6157e-41.8357e-41.1188e-43.2167e-51.6682e-53.0260e-35.5929e-42.4603e-53.8890e-628.1130
ERBM IVEHZ8.0415e-51.5804e-51.2084e-58.5181e-68.2552e-62.4625e-44.0826e-51.1826e-54.8679e-730.9341
ERBM IVEHN9.0392e-51.8781e-51.6875e-57.6665e-62.8355e-63.1890e-41.2162e-44.0779e-65.8214e-730.9341
ERBM IVEHE8.7844e-51.9693e-51.2281e-57.9812e-67.5606e-62.3878e-47.3614e-59.1206e-66.8561e-730.9341
EQUI GUHHZ9.3896e-51.6709e-51.3648e-57.9805e-66.2835e-61.3059e-48.8655e-56.2322e-64.5881e-732.7266
EQUI GUHHN6.4329e-51.4765e-59.7557e-65.7071e-62.9100e-61.1123e-46.5706e-53.1586e-63.8997e-732.7266
EQUI GUHHE8.0205e-51.1931e-59.1628e-65.3597e-63.4125e-61.2847e-43.9184e-53.5999e-62.9410e-732.7266
MAIM GUHHZ8.3338e-51.8024e-51.3938e-59.2762e-67.9096e-61.8859e-49.7479e-51.0185e-55.1948e-733.5185
MAIM GUHHN1.7324e-43.6534e-52.7026e-51.2617e-57.1758e-66.5365e-41.4095e-49.1589e-67.7590e-733.5185
MAIM GUHHE1.4949e-42.9005e-52.4014e-51.6953e-59.3333e-66.7152e-41.1532e-49.1657e-69.6878e-733.5185
CME ITHNZ1.3801e-44.1353e-53.2656e-52.2874e-58.7650e-63.3503e-41.3104e-41.1122e-51.2639e-634.3215
CME ITHNN4.7231e-41.0792e-49.0004e-53.3798e-51.4330e-57.4937e-45.2392e-41.9671e-53.1421e-634.3215
CME ITHNE2.7777e-49.1032e-58.1686e-52.6118e-51.1576e-55.5108e-46.2091e-41.6249e-52.4034e-634.3215
FIVI GUHNZ2.2531e-46.2304e-54.9918e-53.6754e-52.0151e-53.7607e-42.3090e-42.5678e-52.0461e-635.0281
FIVI GUHNN2.3353e-48.6451e-56.8496e-53.3032e-51.6410e-54.0379e-44.3878e-42.2244e-52.7888e-635.0281
FIVI GUHNE2.2253e-47.4545e-55.7968e-52.1468e-51.0116e-55.8036e-43.3663e-41.4444e-51.6136e-635.0281
ZCCA IVHHZ6.1116e-51.6384e-51.6300e-51.0638e-56.7958e-61.4671e-41.0983e-49.3083e-65.9352e-742.863
ZCCA IVHHN7.0035e-52.7026e-52.5625e-51.3396e-58.2186e-61.4539e-41.6472e-49.1291e-69.8385e-742.863
ZCCA IVHHE8.9187e-52.1906e-52.1970e-51.7275e-57.4389e-61.6342e-41.5527e-49.2905e-68.5308e-742.863
NEVI IVHNZ1.3393e-55.0186e-65.5063e-63.7671e-61.4788e-62.8472e-53.5252e-52.0534e-61.9360e-749.1340
NEVI IVHNN2.3533e-59.3464e-69.5489e-67.2361e-64.6755e-63.9917e-54.4256e-55.9424e-63.5499e-749.1340
NEVI IVHNE3.1437e-51.5430e-51.7261e-51.6957e-56.6662e-64.9171e-58.1906e-56.5252e-66.3004e-749.1340
GRAM GUHHZ4.3933e-51.2902e-51.1791e-54.7088e-61.6795e-67.3471e-51.0381e-42.3714e-63.4330e-751.7313
GRAM GUHHN1.0474e-43.4968e-53.2829e-51.2237e-55.4877e-61.8198e-42.5431e-47.8662e-61.0547e-651.7313
GRAM GUHHE7.3146e-52.9531e-53.1149e-51.4533e-55.3586e-61.2256e-41.8725e-47.4054e-69.2382e-751.7313
PII IVHHZ7.4885e-51.4499e-51.1829e-53.9001e-61.9861e-62.4781e-46.4726e-52.8861e-63.3609e-753.4180
PII IVHHN8.4518e-52.0553e-51.7818e-55.7992e-62.9034e-63.1847e-41.1551e-44.2561e-65.6488e-753.4180
PII IVHHE9.2832e-52.1437e-51.7188e-56.0401e-62.4998e-62.4809e-47.4735e-53.4103e-65.0436e-753.4180
PLMA IVHHZ2.5472e-51.0782e-57.9168e-65.3929e-62.1650e-66.3824e-54.6473e-52.7470e-63.0378e-757.2254
PLMA IVHHN4.5683e-51.3178e-51.0498e-53.4437e-61.7832e-61.0693e-47.4389e-52.6052e-64.0326e-757.2254
PLMA IVHHE3.6168e-51.0027e-59.8097e-67.1537e-62.8162e-68.3419e-54.5899e-53.5671e-63.8962e-757.2254
SEI IVHHZ4.1961e-51.1763e-51.1395e-54.0896e-61.6666e-61.1729e-47.6780e-52.5015e-63.2314e-769.6102
SEI IVHHN6.2058e-51.8010e-51.9516e-51.3570e-53.6803e-61.4844e-41.0032e-44.9807e-66.2485e-769.6102
SEI IVHHE3.5043e-51.5218e-51.5593e-58.7482e-62.9956e-61.3446e-41.2754e-43.9929e-64.7282e-769.6102
BVT ITHNZ1.3604e-55.9680e-65.8239e-63.5163e-61.3011e-63.2912e-53.6214e-51.6693e-61.9362e-774.3302
BVT ITHNN2.4338e-51.0552e-51.0026e-56.5509e-62.4900e-63.5818e-56.8820e-53.2036e-62.9484e-774.3302
BVT ITHNE2.5546e-58.0048e-69.8390e-66.6519e-62.4354e-65.2008e-55.6184e-52.8701e-63.1615e-774.3302
MTRZ IVHHZ3.9728e-61.9493e-61.9866e-61.4929e-66.3588e-71.0623e-51.0652e-57.7706e-76.8793e-874.479
MTRZ IVHHN9.5228e-63.7191e-64.3366e-63.1571e-61.3209e-61.3964e-52.7796e-51.2855e-61.2391e-774.479
MTRZ IVHHE8.6138e-63.8978e-64.0253e-63.4632e-61.3165e-61.3727e-52.3308e-51.3505e-61.4031e-774.479
MSSA IVHHZ1.0361e-53.6871e-63.5001e-61.9298e-67.0080e-72.9790e-51.8019e-58.0415e-71.0782e-782.7281
MSSA IVHHN1.5115e-55.5288e-65.2989e-63.1204e-61.4445e-65.2695e-53.5593e-51.6844e-61.6575e-782.7281
MSSA IVHHE1.2008e-55.5050e-65.3971e-63.0536e-61.1509e-62.4112e-54.1166e-51.4645e-61.5736e-782.7281
GORR GUHHZ8.3794e-62.4949e-62.4996e-61.2294e-65.7160e-72.1965e-51.1641e-56.4789e-78.4663e-8109.3296
GORR GUHHN1.1615e-53.9401e-63.9286e-61.8499e-66.0690e-72.1022e-52.1522e-57.5542e-71.0982e-7109.3296
GORR GUHHE1.1963e-54.0842e-63.4982e-62.8059e-61.1871e-62.5070e-51.6830e-51.6068e-61.2966e-7109.3296
RNCA GUHHZ8.7318e-62.4358e-62.1995e-61.0497e-65.7919e-73.2332e-51.4754e-57.0090e-77.6045e-8129.7285
RNCA GUHHN1.8708e-55.8394e-65.5451e-63.9638e-61.6697e-62.6676e-52.3569e-52.0251e-62.0237e-7129.7285
RNCA GUHHE1.9276e-55.9746e-64.3064e-61.7383e-67.7870e-73.0229e-53.1378e-59.5869e-71.5392e-7129.7285
PCP GUHHZ1.6324e-64.9272e-74.8130e-72.2123e-78.5714e-83.4525e-62.9071e-61.1740e-71.3765e-8162.7285
PCP GUHHN1.2919e-63.8328e-73.7890e-72.0509e-76.9332e-83.3789e-62.9283e-68.3918e-81.0595e-8162.7285
PCP GUHHE1.5371e-63.9741e-74.3468e-72.0964e-78.3265e-84.2552e-63.5973e-69.3707e-81.2575e-8162.7285
MORSIFRHHZ1.4348e-63.4169e-73.3244e-71.5595e-77.5645e-85.8679e-62.9134e-69.1339e-81.1050e-8166.5215
MORSIFRHHN1.5292e-64.5572e-74.1205e-72.7362e-72.0621e-76.7721e-62.7194e-63.3248e-72.3808e-8166.5215
MORSIFRHHE1.2636e-63.3978e-72.7775e-71.2943e-75.4777e-82.9035e-61.8735e-68.2093e-87.6647e-9166.5215
BALD NIHHZ3.2134e-68.9074e-78.5455e-75.1057e-71.8180e-79.8734e-64.9491e-62.1935e-72.5857e-8168.68
BALD NIHHN4.8220e-61.3647e-61.3430e-67.3115e-73.5699e-71.4048e-59.4644e-64.0357e-74.6823e-8168.68
BALD NIHHE5.5279e-62.1575e-62.0841e-61.0912e-64.1558e-71.1655e-51.2480e-55.3422e-76.9357e-8168.68
*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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