MANUAL Location - Area: Zona Genova , magnitude (ML): -0.3
2022-10-04 22:21:30 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2022-10-04 22:35:24

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Earthquake info - Manual location
Event - ID :221004221854
Magnitude (ML) :-0.3 +/- 0.2
Origin Time :2022-10-04 22:21:30.618 (UTC)
Location : Latitude: 44.473 N, Longitude: 9.080 E
Area :Zona Genova
Depth (km) :3.64
Distances (km) : 0.9 --- Davagna
2.7 --- Bargagli
5.5 --- Lumarzo
5.7 --- Montoggio
8.3 --- Torriglia
9.0 --- Sant Olcese
9.0 --- Neirone
9.5 --- Uscio
9.5 --- Valbrevenna
9.7 --- Casella
10.3 --- Bogliasco
10.7 --- Pieve Ligure
11.0 --- Tribogna
11.1 --- Sori
11.8 --- Moconesi
12.0 --- Avegno
12.1 --- Serra Ricco
12.5 --- Savignone
12.9 --- Recco
13.4 --- Crocefieschi

Quality location estimate: Erh: 0.5 km, Erz: 0.5 km, Nf: 16, Gap: 139 °, 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 22:21:31.9440.02000.021.272022-10-04 22:21:32.8760.04000.031.193.8
ARV12LK2022-10-04 22:21:32.0590.02000.021.272022-10-04 22:21:33.0390.0400-0.011.214.4
LSG06LK2022-10-04 22:21:32.1660.0200-0.021.242022-10-04 22:21:33.2030.0400-0.090.744.6
ARV10LK2022-10-04 22:21:32.2040.02000.031.212022-10-04 22:21:33.3210.04000.051.106.3
TBG02GU2022-10-04 22:21:32.5120.02000.070.932022-10-04 22:21:33.8990.04000.180.247.6
TBG01GU2022-10-04 22:21:32.6810.0200-0.031.222022-10-04 22:21:34.1350.0400-0.041.108.6
RNCAGU2022-10-04 22:21:32.9030.0200-0.031.202022-10-04 22:21:34.5280.0400-0.031.1310.9
GORRGU2022-10-04 22:21:35.1080.0200-0.340.002022-10-04 22:21:38.9990.04000.060.9422.8


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
TBG02GUEH-0.179.81e-27.6131
TBG01GUEH0.071.38e-18.6154
RNCA GUHH-0.462.73e-210.9269
GORR GUHH-0.516.35e-322.848


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.
(°)
TBG02GUEHZ1.3038e-51.3018e-63.1785e-71.2732e-78.2662e-81.4138e-51.1373e-61.3433e-72.3283e-87.6131
TBG02GUEHN1.0141e-51.6196e-66.5423e-72.1516e-79.8898e-82.2497e-52.6518e-61.7175e-73.9046e-87.6131
TBG02GUEHE1.2933e-51.8731e-68.6854e-72.1624e-71.1515e-74.1254e-53.7750e-62.0273e-74.4756e-87.6131
TBG01GUEHZ5.8535e-68.5522e-74.4649e-71.6539e-78.9876e-82.2981e-51.8158e-61.3065e-71.9042e-88.6154
TBG01GUEHN9.7071e-61.4430e-68.0662e-73.1388e-71.4296e-73.1138e-54.4986e-62.1158e-73.1015e-88.6154
TBG01GUEHE8.6905e-62.0065e-61.0988e-63.3049e-71.8937e-73.4558e-56.0604e-62.7451e-74.1934e-88.6154
RNCA GUHHZ3.0748e-64.5011e-71.6751e-74.1670e-82.1546e-89.4409e-65.9710e-73.8373e-89.4405e-910.9269
RNCA GUHHN2.3714e-63.9333e-72.0434e-75.3828e-83.2094e-83.9630e-69.4879e-75.3798e-89.6420e-910.9269
RNCA GUHHE6.1208e-67.8873e-72.3195e-76.5874e-83.2703e-81.7276e-58.8954e-77.4201e-81.7623e-810.9269
*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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