MANUAL Location - Area: Zona Genova , magnitude (ML): 0.4
2022-09-23 16:38:10 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2022-09-24 16:09:25

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Earthquake info - Manual location
Event - ID :220923163800
Magnitude (ML) :0.4 +/- 0.1
Origin Time :2022-09-23 16:38:10.455 (UTC)
Location : Latitude: 44.437 N, Longitude: 9.064 E
Area :Zona Genova
Depth (km) :5.91
Distances (km) : 2.4 --- Bargagli
4.1 --- Davagna
5.9 --- Lumarzo
6.3 --- Bogliasco
7.1 --- Pieve Ligure
7.7 --- Sori
8.5 --- Uscio
9.2 --- Montoggio
9.4 --- Sant Olcese
9.8 --- Avegno
10.1 --- Recco
10.3 --- Neirone
10.5 --- Tribogna
11.7 --- Moconesi
11.9 --- Camogli
12.0 --- Torriglia
12.4 --- Casella
13.0 --- Serra Ricco
13.3 --- Genova
13.4 --- Valbrevenna

Quality location estimate: Erh: 1.3 km, Erz: 0.6 km, Nf: 8, Gap: 172 °, Rms: 0.04


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.
TBG01GU2022-09-23 16:38:12.5660.02000.060.972022-09-23 16:38:13.9390.0400-0.011.228.4
TBG02GU2022-09-23 16:38:12.4030.0200-0.011.282022-09-23 16:38:13.7790.0400-0.011.228.8
RNCAGU2022-09-23 16:38:12.8060.0200-0.070.902022-09-23 16:38:14.6050.04000.031.1411.5
GORRGU2022-09-23 16:38:15.6820.02000.001.272022-09-23 16:38:19.0400.0400-0.380.0127.0


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
TBG01GUEH0.423.23e-18.4121
TBG02GUEH0.443.15e-18.892
RNCA GUHH0.311.44e-111.5293


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.
(°)
TBG01GUEHZ2.0813e-52.3639e-61.1826e-64.7246e-72.1097e-73.4303e-54.4776e-63.1873e-75.8374e-88.4121
TBG01GUEHN1.8401e-54.1425e-62.4517e-68.8602e-73.8494e-74.3389e-51.4053e-55.8653e-71.0520e-78.4121
TBG01GUEHE2.3923e-54.2817e-62.5276e-68.5512e-73.7936e-75.9245e-58.8390e-65.7254e-78.0713e-88.4121
TBG02GUEHZ3.2204e-55.3020e-62.1476e-65.9289e-73.4473e-77.3829e-56.9010e-66.1053e-71.3158e-78.892
TBG02GUEHN4.0571e-55.1138e-62.3552e-67.4438e-74.3050e-77.5612e-57.4145e-67.2521e-71.1997e-78.892
TBG02GUEHE3.8531e-56.6535e-62.8101e-66.0648e-73.4472e-78.6037e-58.9140e-65.8473e-71.4462e-78.892
RNCA GUHHZ3.0691e-52.5977e-66.0007e-72.0413e-71.0205e-74.2504e-52.0162e-61.5965e-73.8414e-811.5293
RNCA GUHHN2.4576e-52.2224e-63.4759e-78.9400e-84.7607e-82.0458e-58.7610e-79.4591e-82.1255e-811.5293
RNCA GUHHE5.4729e-53.9006e-61.0233e-62.8852e-71.7942e-76.2747e-53.4203e-63.0325e-76.8183e-811.5293
GORR GUHHZ9.7942e-71.6310e-79.4779e-83.9897e-82.0272e-82.0701e-65.0350e-72.8023e-83.7286e-927.044
GORR GUHHN1.1232e-62.1304e-71.5996e-76.7745e-82.5850e-82.6212e-67.9648e-73.7485e-85.4678e-927.044
GORR GUHHE1.3230e-62.9221e-71.9288e-75.0090e-82.3780e-84.5539e-69.6733e-73.3247e-86.6573e-927.044
*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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