MANUAL Location - Area: Zona Genova , magnitude (ML): -0.4
2022-10-04 22:19:48 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2022-10-04 22:32:25

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Earthquake info - Manual location
Event - ID :221004221853
Magnitude (ML) :-0.4 +/- 0.2
Origin Time :2022-10-04 22:19:48.61 (UTC)
Location : Latitude: 44.469 N, Longitude: 9.081 E
Area :Zona Genova
Depth (km) :3.87
Distances (km) : 0.7 --- Davagna
2.4 --- Bargagli
5.2 --- Lumarzo
6.1 --- Montoggio
8.4 --- Torriglia
8.8 --- Neirone
9.1 --- Uscio
9.2 --- Sant Olcese
9.9 --- Valbrevenna
9.9 --- Bogliasco
10.0 --- Casella
10.3 --- Pieve Ligure
10.7 --- Tribogna
10.7 --- Sori
11.5 --- Moconesi
11.7 --- Avegno
12.4 --- Serra Ricco
12.5 --- Recco
12.9 --- Savignone
13.6 --- Propata

Quality location estimate: Erh: 0.3 km, Erz: 0.4 km, Nf: 16, Gap: 137 °, Rms: 0.05


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.
LSG07LK2022-10-04 22:19:49.9270.02000.001.252022-10-04 22:19:50.9530.04000.100.813.9
ARV12LK2022-10-04 22:19:50.0420.02000.021.252022-10-04 22:19:50.9850.0400-0.051.014.4
LSG06LK2022-10-04 22:19:50.1430.0200-0.021.172022-10-04 22:19:51.2470.0400-0.021.154.7
ARV10LK2022-10-04 22:19:50.2060.02000.061.092022-10-04 22:19:51.2170.0400-0.021.136.2
TBG02GU2022-10-04 22:19:50.4870.02000.090.862022-10-04 22:19:51.7550.04000.110.777.5
TBG01GU2022-10-04 22:19:50.6040.0200-0.051.022022-10-04 22:19:52.0820.0400-0.001.188.4
RNCAGU2022-10-04 22:19:50.9650.06530.021.082022-10-04 22:19:52.5860.0400-0.001.1911.1
GORRGU2022-10-04 22:19:55.0750.02001.630.002022-10-04 22:19:56.9530.04000.011.0223.1


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
TBG02GUEH-0.278.12e-27.5129
TBG01GUEH-0.217.62e-28.4153
RNCA GUHH-0.512.35e-211.1271
GORR GUHH-0.595.16e-323.147


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.
(°)
TBG02GUEHZ6.4210e-61.1754e-65.0755e-71.2966e-77.2929e-81.6021e-51.6170e-61.3361e-72.8727e-87.5129
TBG02GUEHN1.0107e-51.4966e-65.5425e-71.5913e-79.3446e-81.5413e-51.6403e-61.6631e-73.4942e-87.5129
TBG02GUEHE8.3954e-61.7221e-66.8172e-71.5868e-79.6956e-82.2712e-52.2351e-61.6460e-73.5496e-87.5129
TBG01GUEHZ6.9564e-65.8450e-72.3351e-71.0235e-74.6710e-86.3270e-61.0683e-66.3013e-81.0820e-88.4153
TBG01GUEHN4.5223e-61.0793e-65.2215e-72.3967e-71.3217e-78.3809e-63.1900e-61.6634e-73.0993e-88.4153
TBG01GUEHE4.6699e-67.5575e-75.1001e-71.8492e-78.6402e-81.5928e-52.0814e-61.2835e-71.8514e-88.4153
RNCA GUHHZ4.3052e-65.0782e-71.0250e-73.0048e-82.4711e-87.7720e-64.3787e-74.8372e-87.1373e-911.1271
RNCA GUHHN3.2778e-63.1846e-76.4371e-82.2281e-81.2281e-83.5796e-61.9300e-71.7173e-83.0876e-911.1271
RNCA GUHHE5.5658e-65.0788e-71.5886e-74.2700e-82.8569e-81.1893e-55.3777e-75.8237e-81.1006e-811.1271
GORR GUHHZ3.2751e-74.8760e-82.3348e-81.2891e-88.0487e-94.6508e-71.0613e-79.6933e-91.0021e-923.147
GORR GUHHN3.9532e-77.1239e-84.1060e-81.4480e-88.7969e-97.9516e-72.2217e-71.0503e-81.7584e-923.147
GORR GUHHE4.1021e-77.7567e-85.2684e-81.9652e-81.2017e-81.2540e-62.4051e-71.2779e-81.8998e-923.147
*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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