MANUAL Location - Area: Garfagnana , magnitude (ML): 1.0
2025-03-26 11:28:40 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-03-26 14:53:03

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Earthquake info - Manual location
Event - ID :250326112737
Magnitude (ML) :1.0 +/- 0.2
Origin Time :2025-03-26 11:28:40.241 (UTC)
Location : Latitude: 44.128 N, Longitude: 10.421 E
Area :Garfagnana
Depth (km) :3.01
Distances (km) : 1.0 --- Pieve Fosciana
2.1 --- Castelnuovo di Garfagnana
2.6 --- Castiglione di Garfagnana
3.4 --- Fosciandora
4.0 --- Villa Collemandina
6.0 --- Molazzana
7.4 --- Gallicano
7.6 --- San Romano in Garfagnana
7.6 --- Camporgiano
7.8 --- Careggine
7.9 --- Barga
8.9 --- Vergemoli
11.0 --- Coreglia Antelminelli
11.0 --- Vagli Sotto
11.6 --- Piazza al Serchio
14.3 --- Sillano
14.5 --- Fabbriche di Vallico
16.7 --- Giuncugnano
17.5 --- Stazzema
17.6 --- Minucciano

Quality location estimate: Erh: 0.4 km, Erz: 0.8 km, Nf: 24, Gap: 81 °, Rms: 0.13


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.
SARMGU2025-03-26 11:28:42.2100.01200.190.622025-03-26 11:28:43.3700.02100.031.937.6
CARDGU2025-03-26 11:28:43.2400.00900.420.262025-03-26 11:28:44.7400.09120.031.6112.8
BDIIV2025-03-26 11:28:43.6200.0090-0.011.992025-03-26 11:28:45.7710.0491-0.340.2616.3
CMEIT2025-03-26 11:28:44.5260.02000.041.882025-03-26 11:28:47.5950.0400-0.011.7621.8
EQUIGU2025-03-26 11:28:44.4720.0200-0.031.872025-03-26 11:28:47.5100.0661-0.101.2722.0
MAIMGU2025-03-26 11:28:45.0100.0281-0.031.882025-03-26 11:28:48.6620.16550.091.1824.8
FIVIGU2025-03-26 11:28:44.4350.0200-0.970.062025-03-26 11:28:49.4120.04000.280.4726.7
GSCLGU2025-03-26 11:28:46.1600.0150-0.081.402025-03-26 11:28:50.3000.0842-0.280.5028.3
POPMGU2025-03-26 11:28:45.8400.01500.101.352025-03-26 11:28:49.8400.08620.021.4828.6
PIIIV2025-03-26 11:28:48.6180.0200-0.460.192025-03-26 11:28:54.2300.1394-1.450.0146.0
PLMAIV2025-03-26 11:28:48.8500.03010.041.672025-03-26 11:28:54.3800.1404-0.770.1246.2
GRAMGU2025-03-26 11:28:49.7540.02000.470.242025-03-26 11:28:56.6400.14841.030.0149.4


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
CARD GUHH0.793.67e-112.8157
BDI IVHH0.823.22e-116.3117
CME ITHN1.203.58e-121.8206
EQUI GUHH0.671.05e-122.0281
MAIM GUHH0.748.72e-224.8167
FIVI GUHN1.122.06e-126.7298
GSCL GUHH1.332.94e-128.328
POPM GUHH1.133.75e-128.6109
PII IVHH0.853.85e-246.0170
PLMA IVHH1.035.58e-246.2259
GRAM GUHH1.382.05e-149.4325


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 GUEHZ4.3466e-55.1888e-63.0545e-61.3591e-66.2125e-74.6478e-52.1962e-58.5449e-71.1223e-77.6346
SARM GUEHN5.5114e-56.3149e-64.0919e-63.0646e-61.1991e-61.1142e-41.7175e-51.4900e-62.0172e-77.6346
SARM GUEHE4.2009e-55.8293e-63.7141e-62.9559e-61.4260e-69.5036e-51.9098e-51.8375e-61.7856e-77.6346
CARD GUHHZ1.9572e-52.9473e-61.0630e-65.7519e-72.4083e-76.5484e-54.7217e-63.5329e-75.8326e-812.8157
CARD GUHHN3.1211e-55.9607e-62.6434e-61.1169e-64.0766e-75.6789e-59.7373e-65.5349e-71.2445e-712.8157
CARD GUHHE3.1504e-54.4638e-62.6845e-61.0608e-64.1611e-75.0869e-59.6354e-65.5465e-71.0728e-712.8157
BDI IVHHZ2.3095e-52.3812e-61.3370e-63.8867e-71.6018e-74.8100e-55.5791e-62.7332e-75.9486e-816.3117
BDI IVHHN2.8112e-53.9412e-62.8013e-61.1059e-64.8074e-75.8933e-51.6083e-56.9118e-79.4933e-816.3117
BDI IVHHE3.0039e-53.6811e-62.2661e-66.9181e-73.7384e-75.9501e-58.1587e-65.4919e-79.6630e-816.3117
CME ITHNZ1.3610e-52.5360e-61.8004e-67.5687e-72.9099e-72.9743e-59.8684e-64.4091e-76.5195e-821.8206
CME ITHNN1.6888e-53.2824e-62.8307e-61.1988e-64.9104e-75.0487e-51.2610e-56.4922e-79.2153e-821.8206
CME ITHNE1.7468e-53.5854e-62.7278e-61.4722e-65.1781e-75.4212e-51.5267e-56.8604e-71.1075e-721.8206
EQUI GUHHZ1.2811e-51.2946e-65.7215e-74.3961e-72.4476e-72.1579e-53.0881e-63.3069e-73.8790e-822.0281
EQUI GUHHN1.6811e-51.7813e-68.2444e-74.5039e-71.7472e-73.1585e-53.9058e-62.3549e-74.1704e-822.0281
EQUI GUHHE1.1463e-51.2358e-65.3581e-73.5065e-71.3829e-79.8115e-62.0874e-61.7819e-72.5490e-822.0281
MAIM GUHHZ3.2436e-65.7673e-73.9054e-71.8567e-77.1768e-85.6678e-62.1619e-68.7410e-81.4827e-824.8167
MAIM GUHHN6.7563e-61.1503e-67.6011e-72.8390e-71.0881e-71.0248e-54.5241e-61.4566e-72.4281e-824.8167
MAIM GUHHE4.1546e-69.9948e-76.2791e-72.9306e-71.1473e-71.0784e-55.0859e-61.2782e-72.1891e-824.8167
FIVI GUHNZ1.9854e-52.5074e-61.4638e-65.1219e-72.6594e-73.4390e-53.8758e-63.8931e-75.6224e-826.7298
FIVI GUHNN2.0224e-53.2119e-61.8181e-66.0478e-73.1933e-73.3464e-55.6467e-64.3555e-78.0940e-826.7298
FIVI GUHNE1.1075e-51.6714e-61.0939e-63.7681e-71.7343e-73.1890e-53.9248e-62.5006e-74.2176e-826.7298
GSCL GUHHZ4.6462e-61.1029e-66.7680e-72.1625e-71.0110e-72.0015e-52.7672e-61.5268e-72.7914e-828.328
GSCL GUHHN1.1661e-53.4696e-62.2013e-67.8148e-74.0717e-74.2296e-51.2275e-55.8812e-78.3061e-828.328
GSCL GUHHE7.8024e-61.8985e-61.5922e-64.7328e-72.3805e-72.4322e-57.6056e-63.4409e-74.9520e-828.328
POPM GUHHZ2.3531e-53.8438e-61.3212e-63.9644e-71.7801e-74.6066e-56.2716e-62.8377e-75.8590e-828.6109
POPM GUHHN2.4309e-55.9942e-63.3525e-68.3029e-74.5870e-77.1295e-51.2688e-57.0556e-71.2904e-728.6109
POPM GUHHE2.0325e-54.2203e-62.3516e-66.8652e-73.0476e-77.0584e-59.6828e-65.0287e-71.0163e-728.6109
PII IVHHZ1.9311e-63.3523e-72.7265e-77.5569e-83.6138e-83.7686e-61.6050e-65.7802e-88.0190e-946.0170
PII IVHHN2.1545e-64.0851e-72.7369e-77.8185e-83.9030e-83.9859e-61.3032e-66.4764e-81.1203e-846.0170
PII IVHHE2.1108e-64.2794e-73.6949e-71.1201e-75.4583e-84.5980e-62.1455e-67.9042e-81.1417e-846.0170
PLMA IVHHZ2.6688e-65.2976e-73.2822e-72.4473e-71.5150e-75.1026e-61.2096e-61.7570e-71.8088e-846.2259
PLMA IVHHN3.7718e-65.8333e-74.2213e-71.6448e-76.8748e-81.0578e-52.2499e-69.8383e-81.5143e-846.2259
PLMA IVHHE3.4277e-66.4678e-74.1383e-72.0705e-71.1387e-78.5274e-61.3848e-61.3734e-71.7825e-846.2259
GRAM GUHHZ3.1639e-65.4563e-73.6914e-71.5027e-75.5954e-87.8185e-62.0288e-67.2853e-81.2016e-849.4325
GRAM GUHHN3.7114e-61.2395e-61.0325e-63.1718e-71.3000e-78.9665e-67.7005e-61.8808e-72.9963e-849.4325
GRAM GUHHE4.0782e-61.7444e-61.5953e-67.7267e-72.8462e-79.5169e-61.3902e-53.7775e-74.9079e-849.4325
*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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