RSNI - Manually revised location

MANUAL Location - Area: Zona Genova , magnitude (M_L): 0.2
2022-10-04 22:00:41 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2022-10-04 22:22:17

Earthquake info - Manual location

Event - ID :	221004220016
Magnitude (M_L) :	0.2 +/- 0.2
Origin Time :	2022-10-04 22:00:41.567 (UTC)
Location :	Latitude: 44.482 N, Longitude: 9.077 E
Area :	Zona Genova
Depth (km) :	2.52
Distances (km) :	1.8 --- Davagna 3.8 --- Bargagli 4.7 --- Montoggio 6.3 --- Lumarzo 7.8 --- Torriglia 8.5 --- Valbrevenna 8.7 --- Sant Olcese 8.8 --- Casella 9.5 --- Neirone 10.4 --- Uscio 11.3 --- Bogliasco 11.6 --- Savignone 11.6 --- Serra Ricco 11.7 --- Pieve Ligure 11.7 --- Tribogna 12.1 --- Sori 12.4 --- Crocefieschi 12.5 --- Moconesi 12.8 --- Propata 13.0 --- Avegno

Quality location estimate: Erh: 0.7 km, Erz: 0.9 km, Nf: 16, Gap: 148 °, Rms: 0.06

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.
LSG07	LK	2022-10-04 22:00:42.835	0.020	0	0.00	1.30	2022-10-04 22:00:43.901	0.040	0	0.17	0.42	3.2
LSG06	LK	2022-10-04 22:00:43.113	0.020	0	-0.03	1.24	2022-10-04 22:00:44.236	0.040	0	-0.01	1.23	4.1
ARV12	LK	2022-10-04 22:00:42.986	0.020	0	0.00	1.30	2022-10-04 22:00:43.929	0.040	0	-0.06	1.02	4.3
ARV10	LK	2022-10-04 22:00:43.194	0.020	0	0.05	1.18	2022-10-04 22:00:44.315	0.040	0	0.05	1.16	6.5
TBG02	GU	2022-10-04 22:00:43.460	0.020	0	0.01	1.30	2022-10-04 22:00:44.878	0.040	0	0.10	0.87	7.9
TBG01	GU	2022-10-04 22:00:43.698	0.020	0	-0.08	0.91	2022-10-04 22:00:45.073	0.040	0	-0.25	0.07	9.1
RNCA	GU	2022-10-04 22:00:43.801	0.080	3	-0.04	0.99	2022-10-04 22:00:45.438	0.040	0	-0.01	1.23	10.4
GORR	GU	2022-10-04 22:00:46.521	0.020	0	0.12	0.70	2022-10-04 22:00:49.903	0.040	0	-0.01	1.08	22.3

Local magnitude (M_L) calculation results

Station	Net	Channels	Stat. Mag.	Wood-And. Ampl.	Dist. (km)	Azimuth
TBG02	GU	EH	0.49	4.23e-1	7.9	135
RNCA	GU	HH	0.15	1.21e-1	10.4	263
GORR	GU	HH	0.05	2.42e-2	22.3	51

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.
(°)

TBG02

EHZ

4.9751e-5

5.2153e-6

1.4995e-6

4.8793e-7

3.2108e-7

6.6033e-5

4.7567e-6

5.2734e-7

1.1236e-7

7.9

135

TBG02

EHN

5.0754e-5

8.4740e-6

3.1022e-6

1.1286e-6

6.1253e-7

1.2649e-4

1.1959e-5

1.0364e-6

2.0066e-7

7.9

135

TBG02

EHE

5.8896e-5

6.8656e-6

3.4268e-6

7.8985e-7

4.8232e-7

1.3535e-4

1.5645e-5

8.4124e-7

1.6732e-7

7.9

135

TBG01

EHZ

2.3288e-5

3.6537e-6

1.7075e-6

4.9721e-7

2.7439e-7

6.3596e-5

7.3286e-6

4.0040e-7

7.2765e-8

9.1

155

TBG01

EHN

3.0388e-5

5.6910e-6

3.1655e-6

1.3220e-6

6.6134e-7

7.9441e-5

1.9287e-5

1.0090e-6

1.6010e-7

9.1

155

TBG01

EHE

2.8392e-5

7.5606e-6

4.3978e-6

1.4233e-6

6.9730e-7

1.0355e-4

2.4671e-5

9.4932e-7

1.7601e-7

9.1

155

RNCA

HHZ

1.3377e-5

1.4119e-6

6.4597e-7

1.4646e-7

7.5838e-8

3.4689e-5

2.2167e-6

1.3730e-7

2.8576e-8

10.4

263

RNCA

HHN

1.1982e-5

1.7412e-6

1.0000e-6

2.5504e-7

1.3648e-7

1.3240e-5

4.3137e-6

2.0989e-7

4.0816e-8

10.4

263

RNCA

HHE

1.9175e-5

2.2907e-6

7.7486e-7

2.1788e-7

1.1628e-7

6.6767e-5

2.4869e-6

2.1521e-7

5.0911e-8

10.4

263

GORR

HHZ

1.2671e-6

2.7150e-7

1.5473e-7

4.7978e-8

2.2285e-8

3.0405e-6

5.8096e-7

2.8171e-8

5.4304e-9

22.3

GORR

HHN

1.8815e-6

2.6072e-7

1.9958e-7

8.4253e-8

3.2783e-8

3.7901e-6

9.4999e-7

4.9360e-8

7.5505e-9

22.3

GORR

HHE

1.6493e-6

3.9871e-7

2.6113e-7

6.5480e-8

3.1778e-8

5.8066e-6

1.2602e-6

4.3185e-8

8.5730e-9

22.3

*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)

MANUAL Location - Area: Zona Genova , magnitude (ML): 0.2 2022-10-04 22:00:41 (UTC)

MANUAL Location - Area: Zona Genova , magnitude (M_L): 0.2
2022-10-04 22:00:41 (UTC)