MANUAL Location - Area: Riviera di ponente , magnitude (ML): 0.3
2022-01-25 11:21:37 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2022-01-26 08:06:30

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Earthquake info - Manual location
Event - ID :220125112110
Magnitude (ML) :0.3 +/- 0.2
Origin Time :2022-01-25 11:21:37.287 (UTC)
Location : Latitude: 43.967 N, Longitude: 7.830 E
Area :Riviera di ponente
Depth (km) :5.02
Distances (km) : 2.9 --- Carpasio
4.4 --- Montalto Ligure
5.2 --- Molini di Triora
5.8 --- Badalucco
5.9 --- Triora
7.1 --- Rezzo
7.4 --- Aurigo
9.2 --- Borgomaro
9.7 --- Prela
10.3 --- Pietrabruna
10.5 --- Ceriana
10.5 --- Vasia
10.6 --- Lucinasco
10.7 --- Caravonica
11.2 --- Baiardo
11.2 --- Montegrosso Pian Latte
11.3 --- Pieve di Teco
11.5 --- Dolcedo
11.7 --- Castellaro
11.8 --- Taggia

Quality location estimate: Erh: 1.1 km, Erz: 0.9 km, Nf: 18, Gap: 130 °, Rms: 0.19


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.
IMIGU2022-01-25 11:21:39.5160.06020.031.542022-01-25 11:21:41.1770.0400-0.031.6710.0
MGROGU2022-01-25 11:21:39.7900.1004-0.081.362022-01-25 11:21:41.5220.0400-0.360.2310.9
SAOFFR2022-01-25 11:21:42.0100.02000.041.532022-01-25 11:21:46.0900.04000.670.3222.8
ROROGU2022-01-25 11:21:43.0100.02000.730.242022-01-25 11:21:46.4980.04000.560.3025.3
GBOSGU2022-01-25 11:21:43.7980.02000.460.172022-01-25 11:21:47.6490.04000.061.2931.1
TURFFR2022-01-25 11:21:44.3090.0200-0.061.542022-01-25 11:21:49.4660.04000.041.2935.4
CANOGU2022-01-25 11:21:45.2930.0200-0.170.902022-01-25 11:21:51.3820.04000.111.0342.4
ENRGU2022-01-25 11:21:45.4040.0200-0.051.532022-01-25 11:21:51.0120.0400-0.121.1444.4
STVGU2022-01-25 11:21:46.6410.02000.041.442022-01-25 11:21:52.6810.0400-0.340.4951.1


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
IMI GUHH0.031.32e-110.0141
MGRO GUHH0.593.04e-110.9348
GBOS GUHH0.241.05e-231.11
TURF FRHH0.019.35e-335.4272
CANO GUHH0.441.77e-242.450
ENR GUHH0.048.90e-344.4312
STV GUHH0.519.59e-351.1308


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.
(°)
IMI GUHHZ5.0995e-68.0498e-75.0889e-76.0402e-75.3519e-71.1969e-52.3468e-66.3151e-73.1534e-810.0141
IMI GUHHN9.5817e-61.6963e-61.1465e-67.4824e-73.6957e-71.7460e-54.9178e-64.5275e-74.4544e-810.0141
IMI GUHHE7.1964e-61.1675e-68.5021e-76.6143e-72.8440e-71.0628e-54.2359e-63.4801e-73.8093e-810.0141
MGRO GUHHZ4.6808e-61.0209e-67.1230e-79.9593e-76.6172e-78.9960e-62.6304e-67.9017e-74.3122e-810.9348
MGRO GUHHN3.3134e-61.0163e-67.4370e-78.5875e-74.1830e-71.4441e-55.4789e-64.5449e-73.4523e-810.9348
MGRO GUHHE4.9304e-61.6476e-61.1192e-61.8382e-61.2906e-61.4506e-55.1655e-61.5782e-68.5999e-810.9348
RORO GUHHZ1.0588e-61.4822e-79.8245e-86.1900e-82.1593e-83.8990e-63.1701e-72.8037e-83.5308e-925.349
RORO GUHHN8.2736e-71.6220e-71.0401e-76.3617e-83.4083e-84.3994e-63.1497e-75.2516e-86.2848e-925.349
RORO GUHHE6.6546e-61.1744e-69.8363e-71.0620e-65.0950e-74.9404e-64.8959e-66.7492e-74.9148e-825.349
GBOS GUHHZ3.0143e-71.0569e-78.5337e-85.8369e-82.4666e-89.5416e-75.2498e-72.8905e-82.8412e-931.11
GBOS GUHHN3.0817e-76.1668e-85.0055e-83.0913e-81.3882e-88.1695e-72.0605e-71.8100e-82.0330e-931.11
GBOS GUHHE2.9483e-71.1007e-77.8835e-85.0100e-81.8027e-81.1906e-64.3793e-72.2820e-83.2594e-931.11
TURF FRHHZ2.8392e-77.3918e-85.8536e-84.0253e-82.0190e-86.1598e-74.3829e-72.2979e-81.9653e-935.4272
TURF FRHHN3.5342e-77.5263e-86.2422e-84.0455e-81.7139e-81.4692e-64.3341e-72.0628e-82.2002e-935.4272
TURF FRHHE2.7572e-79.1730e-85.8790e-85.1950e-83.0536e-81.1004e-64.6714e-74.0312e-82.4420e-935.4272
CANO GUHHZ7.7444e-79.5400e-86.8056e-84.0644e-83.3413e-89.3066e-72.9825e-76.1499e-84.7608e-942.450
CANO GUHHN1.0282e-61.9353e-71.2606e-76.9130e-82.8471e-81.6797e-66.1071e-73.7621e-85.1292e-942.450
CANO GUHHE7.1380e-71.3183e-71.3022e-71.0716e-76.5498e-81.5539e-68.2858e-71.0351e-77.2918e-942.450
ENR GUHHZ4.6985e-76.9105e-84.8411e-81.8349e-81.0101e-81.3181e-62.1960e-71.2844e-81.5825e-944.4312
ENR GUHHN1.2207e-61.3559e-78.0354e-83.6776e-81.6071e-82.5637e-63.4572e-72.2936e-83.2641e-944.4312
ENR GUHHE1.2238e-61.4473e-75.7393e-82.7295e-81.4405e-82.0550e-62.2216e-72.1806e-82.6102e-944.4312
STV GUHHZ4.1148e-76.8789e-85.7978e-82.4206e-81.0861e-89.2744e-73.1279e-71.6847e-81.8910e-951.1308
STV GUHHN5.7677e-71.0297e-76.5411e-82.2380e-81.0454e-81.8404e-63.8347e-71.3318e-82.3016e-951.1308
STV GUHHE6.3848e-71.1221e-78.9228e-83.1258e-81.2415e-82.0490e-65.9846e-71.5993e-83.3226e-951.1308
*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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