MANUAL Location - Area: Garfagnana , magnitude (ML): 0.6
2021-07-19 20:58:56 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2021-07-20 09:52:58

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Earthquake info - Manual location
Event - ID :210719205830
Magnitude (ML) :0.6 +/- 0.3
Origin Time :2021-07-19 20:58:56.876 (UTC)
Location : Latitude: 44.240 N, Longitude: 10.365 E
Area :Garfagnana
Depth (km) :14.02
Distances (km) : 5.3 --- Sillano
7.7 --- San Romano in Garfagnana
8.0 --- Piazza al Serchio
8.9 --- Ligonchio
9.2 --- Villa Collemandina
9.2 --- Camporgiano
9.9 --- Giuncugnano
10.6 --- Castiglione di Garfagnana
12.3 --- Pieve Fosciana
13.5 --- Careggine
14.0 --- Collagna
14.6 --- Minucciano
14.8 --- Castelnuovo di Garfagnana
14.9 --- Busana
15.3 --- Vagli Sotto
15.6 --- Fosciandora
15.7 --- Casola in Lunigiana
16.2 --- Villa Minozzo
17.7 --- Frassinoro
18.9 --- Molazzana

Quality location estimate: Erh: 0.7 km, Erz: 0.7 km, Nf: 22, Gap: 96 °, 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.
SARMGU2021-07-19 20:59:00.0500.00800.011.402021-07-19 20:59:02.1090.0531-0.230.9816.6
EQUIGU2021-07-19 20:59:01.0600.0120-0.161.312021-07-19 20:59:04.1500.0742-0.161.2723.7
FIVIGU2021-07-19 20:59:01.3240.02000.141.072021-07-19 20:59:04.3060.04000.081.3123.8
GSCLGU2021-07-19 20:59:01.4500.0130-0.840.072021-07-19 20:59:04.4900.1213-1.720.0026.1
CARDGU2021-07-19 20:59:02.3370.02000.170.872021-07-19 20:59:06.0400.13840.061.2129.3
BDIIV2021-07-19 20:59:02.5100.04010.001.442021-07-19 20:59:06.5930.14240.011.2730.8
GRAMGU2021-07-19 20:59:03.7800.0200-0.201.172021-07-19 20:59:09.0200.12130.081.1639.6
MAIMGU2021-07-19 20:59:05.0190.02000.850.002021-07-19 20:59:09.6170.04000.141.0440.3
POPMGU2021-07-19 20:59:04.2000.0211-0.111.432021-07-19 20:59:09.6500.1253-0.091.2440.7
PLMAGU2021-07-19 20:59:05.4580.0200-0.011.462021-07-19 20:59:11.3950.1504-0.181.0248.0
PIIIV2021-07-19 20:59:07.7400.0311-0.191.162021-07-19 20:59:14.9700.1835-0.920.0960.6


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
SARM GUEH0.682.17e-116.6155
EQUI GUHH0.072.29e-223.7244
CARD GUHH0.869.42e-229.3159
BDI IVHH0.413.83e-230.8137
GRAM GUHH0.818.65e-239.6320
MAIM GUHH0.381.52e-240.3164
POPM GUHH0.504.42e-240.7125
PLMA GUHH0.934.11e-248.0243
PII IVHH0.801.95e-260.6167


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 GUEHZ1.2127e-51.8397e-61.1620e-63.8489e-71.9249e-71.4416e-55.5823e-62.7825e-73.9820e-816.6155
SARM GUEHN2.2685e-53.6056e-61.6418e-65.5368e-73.4545e-74.4851e-56.5753e-65.2286e-77.5636e-816.6155
SARM GUEHE2.9355e-53.5117e-61.3640e-67.2927e-73.4928e-74.4724e-59.2648e-64.9713e-77.2862e-816.6155
EQUI GUHHZ3.4135e-64.2082e-71.8320e-77.3910e-83.8630e-88.3232e-69.1325e-75.9115e-89.3667e-923.7244
EQUI GUHHN1.6492e-61.6570e-78.8541e-83.2904e-82.1295e-82.2721e-64.2305e-73.1414e-83.8684e-923.7244
EQUI GUHHE3.8927e-65.1407e-72.1548e-76.9101e-83.6975e-87.5751e-67.3120e-75.4937e-81.1020e-823.7244
FIVI GUHNZ1.8822e-52.5203e-61.5816e-64.8634e-72.3775e-74.9167e-55.1874e-63.3696e-76.2271e-823.8270
FIVI GUHNN1.2555e-53.4675e-61.9964e-65.7577e-72.9093e-74.5497e-59.0466e-64.3936e-78.3424e-823.8270
FIVI GUHNE1.7085e-53.3940e-62.0897e-66.9153e-73.0575e-74.9093e-59.4781e-64.4730e-78.4068e-823.8270
GSCL GUHHZ4.1575e-67.1915e-74.9991e-71.9147e-78.0646e-89.5548e-61.9844e-61.0764e-71.5383e-826.155
GSCL GUHHN9.9737e-62.8376e-61.6445e-67.0468e-73.4404e-72.9712e-58.5278e-64.8642e-76.5092e-826.155
GSCL GUHHE6.2661e-61.8497e-61.3171e-65.2475e-72.8192e-71.2009e-58.4473e-64.1711e-75.8372e-826.155
CARD GUHHZ4.2963e-65.7007e-72.1923e-77.2501e-83.7910e-81.3136e-51.2409e-66.2755e-81.2557e-829.3159
CARD GUHHN7.5959e-61.2526e-67.0632e-72.0213e-77.7478e-81.9817e-52.9963e-61.3048e-72.6247e-829.3159
CARD GUHHE8.2626e-61.5844e-68.4289e-72.1344e-71.0150e-72.3333e-52.9102e-61.8308e-73.8674e-829.3159
BDI IVHHZ2.5202e-63.1234e-71.7458e-76.8282e-82.8417e-88.6702e-66.7764e-74.2658e-87.9175e-930.8137
BDI IVHHN3.4357e-65.3637e-73.0631e-71.3293e-75.9883e-89.8532e-61.3141e-69.0403e-81.3579e-830.8137
BDI IVHHE3.6242e-65.8130e-73.2271e-71.8130e-76.5619e-81.0663e-51.4369e-69.0239e-81.2304e-830.8137
GRAM GUHHZ1.9534e-63.1351e-72.1053e-77.5744e-84.0284e-83.6753e-68.3301e-76.1434e-88.7833e-939.6320
GRAM GUHHN2.6273e-67.3274e-77.3424e-73.1148e-71.2485e-78.7511e-65.6906e-61.8367e-72.4482e-839.6320
GRAM GUHHE2.9515e-68.6676e-77.0904e-72.3244e-71.1023e-75.1658e-65.9293e-61.5389e-72.0927e-839.6320
MAIM GUHHZ1.4466e-62.8503e-71.6717e-78.3336e-83.6925e-83.3921e-69.0746e-73.8876e-85.7621e-940.3164
MAIM GUHHN1.7774e-62.5636e-71.7212e-76.8841e-83.1294e-84.5866e-69.2115e-73.6262e-85.3462e-940.3164
MAIM GUHHE1.0537e-61.6402e-79.4264e-84.3759e-82.1224e-82.7259e-64.9700e-72.4024e-83.2515e-940.3164
POPM GUHHZ1.5243e-62.2280e-71.7143e-76.8588e-82.8205e-85.6348e-67.3579e-74.0248e-84.7624e-940.7125
POPM GUHHN2.6626e-65.3492e-74.0842e-71.3791e-75.8549e-88.9270e-61.3403e-68.8380e-81.3790e-840.7125
POPM GUHHE2.6535e-64.7270e-72.8963e-78.7210e-84.0908e-87.9312e-61.1290e-65.3452e-81.0038e-840.7125
PLMA GUHHZ2.7574e-63.5593e-71.3554e-76.1409e-85.2422e-85.1641e-66.6384e-76.6769e-87.6905e-948.0243
PLMA GUHHN3.9572e-67.2483e-73.4090e-71.1913e-77.4589e-81.5776e-51.5352e-68.2101e-81.6792e-848.0243
PLMA GUHHE3.5450e-65.2215e-72.3678e-76.6568e-84.0894e-81.2303e-51.0128e-65.3502e-81.0683e-848.0243
PII IVHHZ1.4994e-62.5884e-71.6078e-75.6731e-83.5645e-84.7018e-69.2235e-74.8639e-86.3156e-960.6167
PII IVHHN1.3502e-62.6883e-71.9794e-76.9149e-82.5378e-85.3172e-69.7771e-73.3298e-86.6942e-960.6167
PII IVHHE1.6195e-62.7803e-72.0939e-76.1975e-82.9280e-88.2686e-68.1514e-74.0620e-86.8836e-960.6167
*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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