RSNI - Manually revised location

MANUAL Location - Area: Zona Genova , magnitude (M_L): 0.3
2022-11-08 15:38:36 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2022-11-09 07:53:08

Earthquake info - Manual location

Event - ID :	221108153735
Magnitude (M_L) :	0.3 +/- 0.0
Origin Time :	2022-11-08 15:38:36.666 (UTC)
Location :	Latitude: 44.552 N, Longitude: 8.985 E
Area :	Zona Genova
Depth (km) :	4.86
Distances (km) :	1.5 --- Savignone 1.9 --- Casella 3.8 --- Busalla 4.9 --- Crocefieschi 6.0 --- Serra Ricco 6.1 --- Montoggio 6.4 --- Valbrevenna 6.5 --- Mignanego 7.1 --- Vobbia 7.4 --- Ronco Scrivia 7.6 --- Sant Olcese 8.8 --- Ceranesi 8.9 --- Campomorone 9.6 --- Fraconalto 11.1 --- Isola del Cantone 11.5 --- Mongiardino Ligure 12.4 --- Davagna 13.7 --- Voltaggio 14.1 --- Bargagli 14.2 --- Torriglia

Quality location estimate: Erh: 0.8 km, Erz: 1.1 km, Nf: 10, Gap: 185 °, 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.
RNS	IT	2022-11-08 15:38:38.807	0.020	0	0.04	1.46	2022-11-08 15:38:40.242	0.040	0	-0.04	1.38	8.2
TGL	IT	2022-11-08 15:38:40.109	0.020	0	-0.01	1.55	2022-11-08 15:38:42.610	0.040	0	0.03	1.43	15.6
TBG02	GU	2022-11-08 15:38:40.453	0.020	0	-0.01	1.56	2022-11-08 15:38:43.464	0.040	0	0.34	0.05	18.7
GORR	GU	2022-11-08 15:38:42.047	0.060	2	0.14	0.70	2022-11-08 15:38:45.777	0.040	0	-0.03	1.21	25.7
BVT	IT	2022-11-08 15:38:48.648	0.020	0	0.88	0.00	2022-11-08 15:38:55.832	0.040	0	-0.14	0.64	60.3

Local magnitude (M_L) calculation results

Station	Net	Channels	Stat. Mag.	Wood-And. Ampl.	Dist. (km)	Azimuth
TGL	IT	HN	0.30	8.16e-2	15.6	98
TBG02	GU	EH	0.27	5.57e-2	18.7	136
GORR	GU	HH	0.18	2.54e-2	25.7	76

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.
(°)

RNS

HNZ

9.5987e-6

8.5243e-7

4.2618e-7

2.8029e-7

1.4296e-7

1.2728e-5

2.2147e-6

1.7353e-7

1.8312e-8

8.2

321

RNS

HNN

1.2641e-5

1.5509e-6

6.6712e-7

3.9260e-7

1.8111e-7

2.9720e-5

2.7734e-6

1.9221e-7

3.8897e-8

8.2

321

RNS

HNE

1.5704e-5

1.8667e-6

7.9382e-7

3.4075e-7

1.7588e-7

2.1873e-5

3.8138e-6

2.6561e-7

5.5289e-8

8.2

321

TGL

HNZ

3.0930e-6

3.8999e-7

3.5018e-7

3.0863e-7

1.7443e-7

3.8663e-6

1.6585e-6

2.2481e-7

1.5089e-8

15.6

TGL

HNN

2.5715e-6

7.5063e-7

4.3951e-7

4.3777e-7

3.4576e-7

5.8168e-6

3.1015e-6

4.4762e-7

2.4962e-8

15.6

TGL

HNE

2.5258e-6

4.6442e-7

4.1273e-7

3.3313e-7

1.6448e-7

4.7315e-6

2.2558e-6

2.0952e-7

1.8840e-8

15.6

TBG02

EHZ

3.8747e-6

4.0543e-7

3.4022e-7

1.4014e-7

6.0928e-8

6.7813e-6

1.9460e-6

8.4837e-8

1.0387e-8

18.7

136

TBG02

EHN

3.6693e-6

7.5358e-7

5.5313e-7

1.5792e-7

7.9203e-8

1.3282e-5

2.8873e-6

1.1433e-7

1.7999e-8

18.7

136

TBG02

EHE

4.2949e-6

8.3339e-7

5.5751e-7

1.6757e-7

8.6781e-8

1.0649e-5

2.6861e-6

1.1508e-7

1.8372e-8

18.7

136

GORR

HHZ

2.5858e-6

2.9103e-7

1.7591e-7

9.2406e-8

3.9913e-8

2.7492e-6

1.4259e-6

4.7216e-8

5.4813e-9

25.7

GORR

HHN

1.0165e-6

3.1180e-7

2.5915e-7

1.0617e-7

4.3373e-8

2.8098e-6

2.1689e-6

6.1891e-8

7.3755e-9

25.7

GORR

HHE

2.2990e-6

2.6190e-7

2.5150e-7

1.0286e-7

5.4359e-8

3.5782e-6

1.6321e-6

7.0546e-8

8.9437e-9

25.7

BVT

HNZ

1.8297e-6

3.8260e-7

3.7717e-7

2.9764e-7

1.2218e-7

4.3335e-6

2.1450e-6

1.7426e-7

1.2776e-8

60.3

BVT

HNN

2.6651e-6

6.3231e-7

6.0354e-7

6.7387e-7

5.0504e-7

4.9239e-6

2.8542e-6

6.8784e-7

4.8363e-8

60.3

BVT

HNE

2.2843e-6

4.6917e-7

4.7738e-7

3.6177e-7

1.7897e-7

3.4060e-6

2.3918e-6

2.3566e-7

1.8904e-8

60.3

*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): 0.3 2022-11-08 15:38:36 (UTC)

MANUAL Location - Area: Zona Genova , magnitude (M_L): 0.3
2022-11-08 15:38:36 (UTC)