MANUAL Location - Area: Casentino , magnitude (ML): 1.4
2022-01-23 17:46:46 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2022-01-24 08:05:05

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Earthquake info - Manual location
Event - ID :220123174613
Magnitude (ML) :1.4 +/- 0.1
Origin Time :2022-01-23 17:46:46.625 (UTC)
Location : Latitude: 43.774 N, Longitude: 11.731 E
Area :Casentino
Depth (km) :8.77
Distances (km) : 1.8 --- Pratovecchio
3.5 --- Stia
4.2 --- Castel San Niccolo
6.3 --- Poppi
9.6 --- Montemignaio
10.4 --- Ortignano Raggiolo
10.9 --- Bibbiena
16.0 --- Castel Focognano
16.3 --- Londa
17.4 --- Chitignano
18.2 --- Pelago
18.5 --- Reggello
18.9 --- Chiusi della Verna
19.3 --- San Godenzo
19.6 --- Talla
20.4 --- Rufina
20.5 --- Pian di Sco
21.1 --- Dicomano
21.6 --- Loro Ciuffenna
22.0 --- Castelfranco di Sopra

Quality location estimate: Erh: 0.9 km, Erz: 1.3 km, Nf: 20, Gap: 164 °, Rms: 0.27


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.
ASQUIV2022-01-23 17:46:49.4900.01300.510.812022-01-23 17:46:50.8410.0481-0.021.7511.0
RUFIIV2022-01-23 17:46:51.6100.01400.530.812022-01-23 17:46:54.5800.06310.061.5221.0
LMDIV2022-01-23 17:46:53.9700.01900.021.722022-01-23 17:46:59.0400.1043-0.660.1734.9
SEIIV2022-01-23 17:46:48.2940.2609-6.940.002022-01-23 17:47:02.0500.1324-0.051.2644.1
OSSCIV2022-01-23 17:46:56.0840.0200-0.151.152022-01-23 17:47:02.8700.04000.011.4048.9
CSNTIV2022-01-23 17:46:56.2200.0271-0.011.662022-01-23 17:47:03.2410.17950.420.7849.5
POPMGU2022-01-23 17:47:01.7470.02000.011.452022-01-23 17:47:12.8340.0400-0.200.9584.1
BDIIV2022-01-23 17:47:04.5390.02000.490.672022-01-23 17:47:16.5600.2907-0.350.6996.7
PIIIV2022-01-23 17:47:04.2100.05120.121.232022-01-23 17:47:16.6800.2937-0.090.9097.4
MAIMGU2022-01-23 17:47:05.5200.02000.790.262022-01-23 17:47:17.7300.3087-0.190.83100.9


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
ASQU IVHH1.522.56e+011.062
SEI IVHH1.491.80e-144.1316
OSSC IVHH1.238.12e-248.9235
POPM GUHH1.448.45e-284.1291
BDI IVHH1.383.30e-296.7290
PII IVHH1.644.62e-297.4267
MAIM GUHH1.372.06e-2100.9279


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.
(°)
ASQU IVHHZ1.0148e-42.1138e-51.3435e-53.8425e-61.8228e-62.4187e-47.4457e-52.7991e-65.1082e-711.062
ASQU IVHHN1.2648e-42.7947e-52.3823e-59.7849e-64.6635e-64.4330e-41.2465e-46.4793e-67.9771e-711.062
ASQU IVHHE1.3977e-42.7002e-52.4687e-58.3042e-64.1703e-62.6255e-41.2010e-45.2244e-67.3801e-711.062
SEI IVHHZ4.2121e-61.1163e-61.0949e-64.4476e-72.0638e-71.1248e-58.3610e-62.7974e-73.2790e-844.1316
SEI IVHHN8.4568e-61.8722e-61.5541e-68.1146e-73.9883e-72.2485e-59.5993e-64.3414e-74.8391e-844.1316
SEI IVHHE5.4741e-61.2893e-69.8739e-75.8144e-73.0164e-71.2317e-55.3381e-63.8801e-73.8118e-844.1316
OSSC IVHHZ5.5669e-68.2546e-74.8112e-72.0836e-77.8348e-88.5583e-62.5748e-69.3186e-81.7215e-848.9235
OSSC IVHHN4.4765e-68.1332e-76.6824e-73.1191e-71.3227e-71.0939e-53.7033e-61.6132e-72.4100e-848.9235
OSSC IVHHE5.8744e-61.0867e-67.4524e-73.1000e-71.2722e-71.6606e-52.7855e-61.6963e-72.9424e-848.9235
POPM GUHHZ1.1748e-63.5783e-72.5131e-71.3697e-76.3211e-83.6239e-61.2185e-68.4191e-89.3469e-984.1291
POPM GUHHN2.8477e-68.7580e-76.8889e-72.0195e-79.3936e-88.5384e-62.6197e-61.3725e-72.0463e-884.1291
POPM GUHHE3.3307e-69.6794e-77.1767e-72.4001e-71.1681e-75.2581e-63.7068e-61.7159e-72.5128e-884.1291
BDI IVHHZ7.1485e-71.7770e-71.6930e-76.8282e-83.1148e-81.8740e-69.4181e-74.2850e-84.8233e-996.7290
BDI IVHHN1.5030e-63.6844e-72.8010e-71.1536e-74.5095e-85.0029e-61.4035e-66.9816e-81.0098e-896.7290
BDI IVHHE1.4599e-63.6632e-73.4040e-71.2686e-75.3480e-85.9073e-62.2242e-67.0556e-89.4754e-996.7290
PII IVHHZ1.3113e-62.9691e-72.2268e-76.1100e-82.8587e-86.2780e-61.2131e-64.2282e-87.6930e-997.4267
PII IVHHN1.0180e-63.5197e-73.3327e-71.1952e-74.8244e-82.8812e-62.8319e-66.9523e-81.0094e-897.4267
PII IVHHE1.0958e-64.0027e-73.8406e-71.2825e-76.3810e-82.1474e-64.2731e-68.8951e-81.1549e-897.4267
MAIM GUHHZ8.7281e-72.0866e-71.7654e-71.1136e-77.7722e-84.1416e-69.5442e-78.4488e-87.2722e-9100.9279
MAIM GUHHN8.3348e-72.0393e-71.9528e-79.3094e-84.5317e-82.7173e-61.0359e-65.4061e-85.4232e-9100.9279
MAIM GUHHE5.6750e-71.3316e-71.2390e-76.5568e-82.9400e-81.3034e-68.6325e-73.7985e-84.0299e-9100.9279
*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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