MANUAL Location - Area: Garfagnana , magnitude (ML): 0.6
2025-12-05 00:33:42 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-12-05 07:22:17

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Earthquake info - Manual location
Event - ID :251205003316
Magnitude (ML) :0.6 +/- 0.2
Origin Time :2025-12-05 00:33:42.209 (UTC)
Location : Latitude: 44.126 N, Longitude: 10.421 E
Area :Garfagnana
Depth (km) :5.02
Distances (km) : 1.1 --- Pieve Fosciana
1.8 --- Castelnuovo di Garfagnana
2.8 --- Castiglione di Garfagnana
3.3 --- Fosciandora
4.2 --- Villa Collemandina
5.8 --- Molazzana
7.2 --- Gallicano
7.7 --- San Romano in Garfagnana
7.7 --- Careggine
7.8 --- Barga
7.8 --- Camporgiano
8.7 --- Vergemoli
10.8 --- Coreglia Antelminelli
11.0 --- Vagli Sotto
11.8 --- Piazza al Serchio
14.2 --- Fabbriche di Vallico
14.4 --- Sillano
16.8 --- Giuncugnano
17.4 --- Stazzema
17.6 --- Pescaglia

Quality location estimate: Erh: 0.6 km, Erz: 0.6 km, Nf: 28, Gap: 53 °, 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.
VLCMN2025-12-05 00:33:44.0000.00500.200.752025-12-05 00:33:45.0680.10020.091.567.2
SARMGU2025-12-05 00:33:44.1500.0050-0.022.022025-12-05 00:33:45.3000.0210-0.330.639.0
CARDGU2025-12-05 00:33:45.2200.00900.370.192025-12-05 00:33:46.7900.04000.012.0113.3
CMEIT2025-12-05 00:33:45.7520.0200-0.710.372025-12-05 00:33:49.5890.0400-0.001.8822.0
EQUIGU2025-12-05 00:33:46.5000.0170-0.031.932025-12-05 00:33:49.5600.0661-0.131.2722.5
MAIMGU2025-12-05 00:33:46.7500.1396-0.250.982025-12-05 00:33:50.4030.1965-0.161.2124.9
FIVIGU2025-12-05 00:33:47.4410.02000.041.962025-12-05 00:33:51.4310.04000.260.6827.1
POPMGU2025-12-05 00:33:47.7300.01500.012.042025-12-05 00:33:51.8350.09020.001.6328.8
GSCLGU2025-12-05 00:33:48.0700.0663-0.210.912025-12-05 00:33:52.3000.0842-0.390.6828.9
PIIIV2025-12-05 00:33:50.3090.0200-0.580.462025-12-05 00:33:56.1700.1404-1.230.0545.9
PLMAIV2025-12-05 00:33:50.7380.02000.131.322025-12-05 00:33:56.4400.1404-0.390.7846.3
GRAMGU2025-12-05 00:33:51.2710.02000.071.702025-12-05 00:33:58.3390.10020.770.1249.8
ZCCAIV2025-12-05 00:33:53.2400.02510.730.102025-12-05 00:34:02.6990.04002.650.0051.1
MSSAIV2025-12-05 00:33:54.9400.0200-0.650.472025-12-05 00:34:04.7960.0400-0.830.3075.2


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
VLC MNHH0.422.96e-17.2323
SARM GUEH0.282.53e-19.0346
CARD GUHH0.441.54e-113.3156
CME ITHN0.831.49e-122.0207
EQUI GUHH0.284.03e-222.5282
MAIM GUHH0.383.76e-224.9167
FIVI GUHN0.738.17e-227.1298
POPM GUHH0.771.61e-128.8108
GSCL GUHH0.931.15e-128.928
PII IVHH0.431.47e-245.9169
PLMA IVHH0.612.14e-246.3260
GRAM GUHH1.028.87e-249.8325
ZCCA IVHH0.421.15e-251.160
MSSA IVHH0.658.56e-375.2287


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.
(°)
VLC MNHHZ3.0517e-53.4695e-61.2877e-65.9527e-72.5564e-73.3845e-55.6130e-63.9279e-76.9994e-87.2323
VLC MNHHN3.7340e-54.6875e-62.1091e-68.5444e-75.1785e-76.5610e-51.1557e-57.6652e-71.1600e-77.2323
VLC MNHHE4.2688e-55.5054e-61.9527e-68.1844e-73.6600e-77.2183e-51.0294e-55.9501e-71.2214e-77.2323
SARM GUEHZ1.5380e-52.2562e-61.2370e-65.2919e-72.3689e-72.2469e-58.8471e-63.2229e-74.5835e-89.0346
SARM GUEHN1.9802e-52.7058e-61.7010e-61.1796e-64.3976e-74.3823e-57.7318e-65.5191e-77.7205e-89.0346
SARM GUEHE1.6624e-52.3634e-61.5494e-61.2023e-65.4303e-73.3741e-57.5928e-67.0155e-77.1695e-89.0346
CARD GUHHZ8.0268e-61.1207e-64.2067e-72.1147e-78.2991e-82.6422e-51.8849e-61.2679e-72.2064e-813.3156
CARD GUHHN1.5631e-52.5943e-61.1605e-64.8579e-71.9128e-73.1897e-54.0294e-62.6246e-75.3781e-813.3156
CARD GUHHE1.2495e-51.8082e-61.1004e-63.6788e-71.4054e-72.6694e-53.9036e-62.3950e-74.5345e-813.3156
CME ITHNZ4.6412e-61.0133e-67.9208e-74.2169e-71.7920e-71.2027e-54.5646e-62.3079e-72.6700e-822.0207
CME ITHNN7.0146e-61.3596e-61.0543e-65.3603e-72.7998e-71.7602e-55.1046e-63.8957e-74.4729e-822.0207
CME ITHNE7.5593e-61.4007e-61.0211e-66.2034e-72.5623e-71.9008e-55.2021e-63.6491e-74.8740e-822.0207
EQUI GUHHZ3.8473e-64.6130e-72.2079e-71.2741e-75.0569e-86.8360e-61.1019e-68.1783e-81.2115e-822.5282
EQUI GUHHN7.3064e-68.5407e-73.4352e-71.7949e-77.3807e-81.1562e-51.5126e-69.6847e-81.6725e-822.5282
EQUI GUHHE4.9244e-65.4960e-72.3525e-71.5554e-75.5897e-85.6174e-69.4351e-76.7371e-81.1046e-822.5282
MAIM GUHHZ1.5018e-62.1516e-71.5457e-77.0089e-82.8792e-82.0766e-67.9937e-73.6287e-85.6811e-924.9167
MAIM GUHHN2.1793e-64.8522e-73.2665e-71.2474e-74.7327e-84.6548e-61.9178e-66.4324e-81.1441e-824.9167
MAIM GUHHE1.7648e-63.8422e-72.3745e-71.1605e-74.0794e-84.0413e-61.9444e-65.2293e-88.9174e-924.9167
FIVI GUHNZ6.9852e-68.1140e-76.0202e-72.7981e-71.2569e-71.2889e-51.9893e-61.6085e-72.2421e-827.1298
FIVI GUHNN6.7467e-61.1789e-67.0656e-72.5182e-71.3814e-71.2447e-52.3300e-61.8392e-73.1861e-827.1298
FIVI GUHNE4.6264e-61.0373e-65.6147e-74.8821e-74.0586e-71.2307e-52.6568e-66.0238e-73.8956e-827.1298
POPM GUHHZ1.0246e-51.4772e-65.5388e-71.7108e-78.0292e-81.7848e-52.7001e-61.2737e-72.6257e-828.8108
POPM GUHHN1.0716e-52.4790e-61.4423e-63.5549e-71.9711e-72.6054e-55.3461e-63.0889e-75.2505e-828.8108
POPM GUHHE8.6520e-61.7718e-61.0053e-62.9827e-71.3659e-72.8379e-54.3186e-62.2652e-74.2938e-828.8108
GSCL GUHHZ1.8659e-64.3087e-72.6176e-79.1894e-84.4651e-88.4503e-61.0398e-66.6631e-81.0976e-828.928
GSCL GUHHN4.2711e-61.3378e-68.5954e-73.1239e-71.6170e-71.8106e-54.8497e-62.3088e-73.2504e-828.928
GSCL GUHHE3.1638e-67.9612e-76.3452e-71.8755e-78.9615e-89.9510e-63.0782e-61.1468e-71.8361e-828.928
PII IVHHZ8.6464e-71.4781e-71.0971e-73.1499e-81.4650e-81.5267e-66.0521e-72.2020e-83.3713e-945.9169
PII IVHHN9.4246e-71.5302e-71.0594e-72.7907e-81.5337e-81.7230e-64.8825e-72.5077e-84.4605e-945.9169
PII IVHHE9.3281e-71.6868e-71.4396e-74.4360e-82.1380e-81.9645e-68.6973e-73.0529e-84.1064e-945.9169
PLMA IVHHZ1.0041e-61.8068e-71.3175e-76.8360e-83.5544e-81.6535e-64.7689e-74.6175e-86.1065e-946.3260
PLMA IVHHN1.3665e-62.3695e-71.7586e-76.5908e-83.2519e-83.5861e-68.8338e-73.7114e-86.1351e-946.3260
PLMA IVHHE1.4169e-62.1506e-71.6587e-77.0281e-83.7107e-83.0563e-66.0154e-75.6815e-86.5057e-946.3260
GRAM GUHHZ1.0637e-62.0038e-71.4368e-76.1822e-83.0151e-82.7422e-68.3577e-73.4444e-84.8436e-949.8325
GRAM GUHHN1.4870e-63.9218e-74.0742e-71.3709e-75.0052e-83.5147e-63.6324e-67.1567e-81.1496e-849.8325
GRAM GUHHE1.5616e-67.4231e-76.6697e-73.3503e-71.2214e-73.3468e-66.5557e-61.6630e-72.0621e-849.8325
ZCCA IVHHZ2.9970e-76.6325e-85.7407e-83.2201e-81.3258e-88.1217e-73.5423e-71.7884e-82.6921e-951.160
ZCCA IVHHN3.4917e-71.0143e-79.8237e-85.7102e-82.9779e-88.0270e-77.5153e-73.4641e-83.4144e-951.160
ZCCA IVHHE4.4757e-78.4555e-88.2683e-85.5259e-81.9620e-88.2978e-74.1733e-72.0959e-83.1168e-951.160
MSSA IVHHZ2.3368e-75.1816e-83.7272e-82.3604e-81.8893e-89.0244e-71.5260e-72.4545e-82.0271e-975.2287
MSSA IVHHN4.3314e-79.0320e-87.7697e-84.4679e-82.1183e-89.3059e-73.3017e-73.0800e-82.9897e-975.2287
MSSA IVHHE4.5380e-76.3044e-85.9265e-83.0084e-81.5116e-86.9860e-73.5187e-72.3178e-81.9995e-975.2287
*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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