RSNI - Manually revised location

MANUAL Location - Area: Zona Genova , magnitude (M_L): -0.4
2022-10-05 00:07:05 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2022-10-05 07:35:35

Earthquake info - Manual location

Event - ID :	221005000527
Magnitude (M_L) :	-0.4 +/- 0.2
Origin Time :	2022-10-05 00:07:05.539 (UTC)
Location :	Latitude: 44.474 N, Longitude: 9.077 E
Area :	Zona Genova
Depth (km) :	3.52
Distances (km) :	1.2 --- Davagna 2.9 --- Bargagli 5.5 --- Montoggio 5.8 --- Lumarzo 8.3 --- Torriglia 8.8 --- Sant Olcese 9.2 --- Neirone 9.4 --- Valbrevenna 9.5 --- Casella 9.7 --- Uscio 10.4 --- Bogliasco 10.8 --- Pieve Ligure 11.2 --- Tribogna 11.3 --- Sori 11.9 --- Serra Ricco 12.0 --- Moconesi 12.2 --- Avegno 12.3 --- Savignone 13.1 --- Recco 13.2 --- Crocefieschi

Quality location estimate: Erh: 0.6 km, Erz: 0.7 km, Nf: 16, Gap: 141 °, 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	2022-10-05 00:07:06.819	0.020	0	-0.02	1.39	2022-10-05 00:07:07.840	0.040	0	0.07	1.11	3.7
ARV12	LK	2022-10-05 00:07:06.975	0.020	0	0.01	1.42	2022-10-05 00:07:07.926	0.040	0	-0.05	1.25	4.4
LSG06	LK	2022-10-05 00:07:06.811	0.020	0	-0.32	0.01	2022-10-05 00:07:08.154	0.040	0	-0.10	0.90	4.6
ARV10	LK	2022-10-05 00:07:07.136	0.020	0	0.06	1.24	2022-10-05 00:07:08.257	0.040	0	0.08	1.08	6.2
TBG02	GU	2022-10-05 00:07:07.424	0.020	0	0.04	1.32	2022-10-05 00:07:08.833	0.040	0	0.16	0.52	7.8
TBG01	GU	2022-10-05 00:07:07.637	0.020	0	-0.02	1.40	2022-10-05 00:07:09.032	0.040	0	-0.11	0.83	8.8
RNCA	GU	2022-10-05 00:07:07.757	0.020	0	-0.07	1.15	2022-10-05 00:07:09.408	0.040	0	-0.02	1.35	10.7
GORR	GU	2022-10-05 00:07:09.292	0.020	0	-1.09	0.00	2022-10-05 00:07:13.974	0.040	0	0.08	1.04	23.0

Local magnitude (M_L) calculation results

Station	Net	Channels	Stat. Mag.	Wood-And. Ampl.	Dist. (km)	Azimuth
TBG02	GU	EH	-0.17	9.53e-2	7.8	130
RNCA	GU	HH	-0.42	3.09e-2	10.7	268
GORR	GU	HH	-0.53	6.01e-3	23.0	49

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

1.4659e-5

1.6042e-6

3.6300e-7

1.0220e-7

6.0108e-8

1.3201e-5

1.0665e-6

1.0251e-7

2.1655e-8

7.8

130

TBG02

EHN

7.1120e-6

1.4697e-6

5.0359e-7

1.5852e-7

8.6188e-8

1.9657e-5

1.7738e-6

1.4992e-7

3.2796e-8

7.8

130

TBG02

EHE

1.1218e-5

1.7114e-6

7.5415e-7

1.6476e-7

9.8667e-8

2.9651e-5

3.5669e-6

1.8481e-7

3.9293e-8

7.8

130

TBG01

EHZ

7.0391e-6

1.1566e-6

4.8873e-7

1.2336e-7

7.0447e-8

2.3117e-5

1.9680e-6

1.1541e-7

2.3520e-8

8.8

153

TBG01

EHN

8.1158e-6

1.4746e-6

8.9570e-7

3.6103e-7

1.6265e-7

2.7519e-5

5.0777e-6

2.3217e-7

3.8731e-8

8.8

153

TBG01

EHE

8.4285e-6

2.2173e-6

1.2480e-6

3.6444e-7

1.7933e-7

2.9790e-5

6.3462e-6

2.8584e-7

5.0388e-8

8.8

153

RNCA

HHZ

2.7320e-6

3.8645e-7

1.5889e-7

4.4460e-8

2.6316e-8

8.4175e-6

5.1374e-7

3.6413e-8

7.3329e-9

10.7

268

RNCA

HHN

3.8031e-6

5.0753e-7

2.5803e-7

7.1618e-8

3.7244e-8

4.0532e-6

1.0548e-6

5.6645e-8

9.9649e-9

10.7

268

RNCA

HHE

5.3412e-6

6.2509e-7

1.7940e-7

6.0443e-8

2.7627e-8

1.6203e-5

4.8097e-7

4.7737e-8

1.1525e-8

10.7

268

GORR

HHZ

3.0369e-7

6.0521e-8

3.5069e-8

1.5244e-8

9.0064e-9

7.1620e-7

1.2658e-7

9.0368e-9

1.2035e-9

23.0

GORR

HHN

4.4229e-7

7.0494e-8

4.8980e-8

2.0780e-8

1.0413e-8

1.0394e-6

2.3531e-7

9.7874e-9

1.8003e-9

23.0

GORR

HHE

4.3587e-7

1.0176e-7

6.3960e-8

1.5885e-8

8.6340e-9

1.5010e-6

3.3753e-7

1.1866e-8

2.3568e-9

23.0

*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): -0.4 2022-10-05 00:07:05 (UTC)

MANUAL Location - Area: Zona Genova , magnitude (M_L): -0.4
2022-10-05 00:07:05 (UTC)