RSNI - Manually revised location

MANUAL Location - Area: Valle del Trebbia , magnitude (M_L): 0.3
2024-11-16 06:27:40 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2024-11-16 11:01:48

Earthquake info - Manual location

Event - ID :	241116062715
Magnitude (M_L) :	0.3 +/- 0.1
Origin Time :	2024-11-16 06:27:40.414 (UTC)
Location :	Latitude: 44.572 N, Longitude: 9.348 E
Area :	Valle del Trebbia
Depth (km) :	4.37
Distances (km) :	4.4 --- Fontanigorda 5.5 --- Rovegno 5.9 --- Rezzoaglio 5.9 --- Gorreto 5.9 --- Ottone 8.5 --- Santo Stefano d Aveto 8.8 --- Fascia 9.3 --- Montebruno 10.3 --- Rondanina 11.6 --- Zerba 11.8 --- Cerignale 12.8 --- Propata 14.4 --- Ferriere 14.7 --- Carrega Ligure 14.8 --- Favale di Malvaro 16.0 --- Torriglia 16.0 --- Corte Brugnatella 16.8 --- Borzonasca 17.0 --- Lorsica 17.9 --- Neirone

Quality location estimate: Erh: 0.9 km, Erz: 0.9 km, Nf: 10, Gap: 179 °, Rms: 0.08

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.
GORR	GU	2024-11-16 06:27:42.380	0.033	1	0.05	1.17	2024-11-16 06:27:43.793	0.040	0	-0.04	1.33	7.7
TGL	IT	2024-11-16 06:27:43.809	0.020	0	-0.09	1.02	2024-11-16 06:27:46.511	0.040	0	0.00	1.32	16.0
LSG06	LK	2024-11-16 06:27:45.041	0.020	0	0.03	1.29	2024-11-16 06:27:48.606	0.040	0	0.25	0.30	22.3
VRL	IT	2024-11-16 06:27:46.619	0.020	0	0.33	0.17	2024-11-16 06:27:50.867	0.040	0	-0.02	1.13	30.5
MSSA	IV	2024-11-16 06:27:46.540	0.067	3	-0.04	1.19	2024-11-16 06:27:51.374	0.040	0	-0.05	1.07	31.9

Local magnitude (M_L) calculation results

Station	Net	Channels	Stat. Mag.	Wood-And. Ampl.	Dist. (km)	Azimuth
GORR	GU	HH	0.32	3.01e-1	7.7	312
TGL	IT	HN	0.37	9.26e-2	16.0	254
MSSA	IV	HH	0.12	1.47e-2	31.9	155

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.
(°)

GORR

HHZ

2.5802e-5

3.5702e-6

1.1353e-6

4.1464e-7

1.8403e-7

3.0084e-5

3.9822e-6

3.6266e-7

7.9937e-8

7.7

312

GORR

HHN

2.4829e-5

4.2400e-6

2.3173e-6

5.1571e-7

2.8444e-7

5.4833e-5

1.1374e-5

4.9214e-7

9.0859e-8

7.7

312

GORR

HHE

2.7039e-5

4.2458e-6

2.4119e-6

8.2305e-7

4.9564e-7

7.5516e-5

7.3780e-6

7.6592e-7

1.1657e-7

7.7

312

TGL

HNZ

4.9829e-6

6.8022e-7

5.5160e-7

3.7915e-7

2.0156e-7

7.6623e-6

2.5648e-6

3.0670e-7

1.8492e-8

16.0

254

TGL

HNN

9.7326e-6

1.1438e-6

7.2579e-7

3.2529e-7

1.6023e-7

1.0554e-5

3.6014e-6

1.9633e-7

3.4339e-8

16.0

254

TGL

HNE

9.3680e-6

1.2597e-6

7.1560e-7

3.8680e-7

2.2579e-7

1.3817e-5

4.3801e-6

2.4049e-7

3.6492e-8

16.0

254

LSG06

EHZ

5.7641e-6

9.3658e-7

5.7106e-7

4.7798e-7

5.5578e-7

2.1324e-5

2.0055e-6

9.7305e-7

4.2886e-8

22.3

238

LSG06

EHN

6.0152e-5

7.5142e-6

3.4325e-6

3.5208e-6

3.0072e-6

5.6065e-5

1.7503e-5

4.0964e-6

2.1129e-7

22.3

238

LSG06

EHE

7.8053e-6

1.6631e-6

9.2236e-7

3.7607e-7

3.7052e-7

2.7637e-5

2.7513e-6

6.2415e-7

3.8164e-8

22.3

238

MSSA

HHZ

7.5475e-7

1.3171e-7

7.5961e-8

5.7767e-8

6.8641e-8

2.1917e-6

3.4402e-7

1.2123e-7

9.2631e-9

31.9

155

MSSA

HHN

8.0715e-7

1.7994e-7

1.4829e-7

4.5681e-8

2.3182e-8

1.8819e-6

8.2144e-7

3.2288e-8

4.6813e-9

31.9

155

MSSA

HHE

9.6213e-7

1.5953e-7

1.0049e-7

5.4627e-8

2.6912e-8

2.6128e-6

2.7101e-7

3.5145e-8

3.3268e-9

31.9

155

*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: Valle del Trebbia , magnitude (ML): 0.3 2024-11-16 06:27:40 (UTC)

MANUAL Location - Area: Valle del Trebbia , magnitude (M_L): 0.3
2024-11-16 06:27:40 (UTC)