RSNI - Manually revised location

MANUAL Location - Area: Valdarno inferiore , magnitude (M_L): 0.7
2024-05-13 18:50:03 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2024-05-14 07:07:31

Earthquake info - Manual location

Event - ID :	240513184848
Magnitude (M_L) :	0.7 +/- 0.2
Origin Time :	2024-05-13 18:50:03.471 (UTC)
Location :	Latitude: 43.684 N, Longitude: 10.839 E
Area :	Valdarno inferiore
Depth (km) :	6.01
Distances (km) :	1.0 --- San Miniato 5.5 --- Fucecchio 5.7 --- Santa Croce sull Arno 6.4 --- Montopoli in Val d Arno 7.7 --- Castelfranco di Sotto 9.1 --- Cerreto Guidi 9.6 --- Empoli 10.3 --- Palaia 11.8 --- Santa Maria a Monte 13.2 --- Capraia e Limite 13.3 --- Vinci 13.7 --- Castelfiorentino 15.5 --- Lamporecchio 15.6 --- Larciano 15.7 --- Montaione 15.8 --- Montelupo Fiorentino 16.5 --- Pontedera 17.0 --- Capannoli 17.8 --- Bientina 17.8 --- Peccioli

Quality location estimate: Erh: 1.6 km, Erz: 0.7 km, Nf: 18, Gap: 157 °, Rms: 0.20

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.
PII	IV	2024-05-13 18:50:08.740	0.012	0	0.00	1.99	2024-05-13 18:50:12.400	0.067	1	-0.16	1.36	26.3
OSSC	IV	2024-05-13 18:50:08.943	0.020	0	-1.86	0.00	2024-05-13 18:50:13.512	0.040	0	-2.62	0.03	37.9
MAIM	GU	2024-05-13 18:50:10.710	0.018	0	0.11	1.43	2024-05-13 18:50:15.700	0.098	2	-0.04	1.65	38.2
POPM	GU	2024-05-13 18:50:11.020	0.029	1	-0.11	1.61	2024-05-13 18:50:16.754	0.193	5	0.02	1.34	41.1
CSNT	IV	2024-05-13 18:50:09.192	0.020	0	-2.93	0.03	2024-05-13 18:50:14.756	0.040	0	-3.61	0.00	43.7
BDI	IV	2024-05-13 18:50:12.320	0.022	1	0.05	1.82	2024-05-13 18:50:18.580	0.123	3	-0.11	1.39	46.8
CARD	GU	2024-05-13 18:50:12.199	0.020	0	-0.03	1.92	2024-05-13 18:50:18.160	0.212	6	-0.44	0.57	48.0
SARM	GU	2024-05-13 18:50:15.563	0.080	3	0.24	0.81	2024-05-13 18:50:25.164	0.040	0	1.14	0.00	66.0
EQUI	GU	2024-05-13 18:50:17.009	0.080	3	0.06	1.57	2024-05-13 18:50:26.325	0.040	0	-0.47	0.47	76.9

Local magnitude (M_L) calculation results

Station	Net	Channels	Stat. Mag.	Wood-And. Ampl.	Dist. (km)	Azimuth
OSSC	IV	HH	0.75	4.42e-2	37.9	119
MAIM	GU	HH	0.63	2.98e-2	38.2	313
POPM	GU	HH	0.36	3.14e-2	41.1	351
BDI	IV	HH	0.46	1.92e-2	46.8	335
CARD	GU	HH	1.01	5.05e-2	48.0	323
SARM	GU	EH	0.80	1.94e-2	66.0	328
EQUI	GU	HH	0.87	1.35e-2	76.9	315

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.
(°)

PII

HHZ

1.5388e-5

2.0533e-6

1.9125e-7

4.6515e-8

2.4965e-8

6.4565e-6

7.2181e-7

3.7833e-8

7.8551e-9

26.3

280

PII

HHN

7.0517e-6

8.2439e-7

2.2992e-7

6.7494e-8

3.6675e-8

6.5793e-6

2.0155e-6

4.8547e-8

6.9285e-9

26.3

280

PII

HHE

5.8928e-6

6.1171e-7

2.2255e-7

7.6278e-8

3.7687e-8

9.7312e-6

1.0525e-6

5.1442e-8

8.8770e-9

26.3

280

OSSC

HHZ

1.2924e-6

2.3293e-7

1.7275e-7

7.1339e-8

3.0581e-8

3.3662e-6

1.1366e-6

3.8770e-8

5.7701e-9

37.9

119

OSSC

HHN

1.5832e-6

4.2093e-7

3.2672e-7

1.2378e-7

6.6824e-8

6.4548e-6

1.7580e-6

7.8913e-8

1.1155e-8

37.9

119

OSSC

HHE

1.9032e-6

4.8580e-7

4.1970e-7

1.8921e-7

6.7758e-8

5.3314e-6

1.7058e-6

8.9400e-8

1.2722e-8

37.9

119

MAIM

HHZ

2.5998e-6

3.1333e-7

1.4108e-7

4.2935e-8

2.0795e-8

6.6957e-6

7.1556e-7

3.8304e-8

7.1543e-9

38.2

313

MAIM

HHN

2.9893e-6

3.8847e-7

2.3272e-7

1.0028e-7

4.5278e-8

6.4545e-6

1.2567e-6

5.7116e-8

9.3252e-9

38.2

313

MAIM

HHE

2.4613e-6

3.6257e-7

1.6592e-7

5.8806e-8

2.9216e-8

5.8735e-6

7.9083e-7

4.1150e-8

7.9554e-9

38.2

313

POPM

HHZ

1.7045e-6

2.5671e-7

1.2646e-7

3.8817e-8

2.0268e-8

4.1323e-6

5.1115e-7

2.8823e-8

6.0033e-9

41.1

351

POPM

HHN

2.7990e-6

4.7793e-7

3.0137e-7

7.1548e-8

3.6796e-8

9.4587e-6

1.1535e-6

6.0703e-8

1.2325e-8

41.1

351

POPM

HHE

2.4314e-6

3.9046e-7

2.9384e-7

7.2374e-8

3.5983e-8

5.3049e-6

1.2844e-6

5.2933e-8

9.4356e-9

41.1

351

BDI

HHZ

1.3578e-6

1.9217e-7

9.5914e-8

2.7582e-8

1.4999e-8

2.4540e-6

5.0508e-7

2.1717e-8

3.9179e-9

46.8

335

BDI

HHN

2.1322e-6

3.6496e-7

1.7361e-7

5.1180e-8

3.1766e-8

8.5188e-6

8.2648e-7

4.1060e-8

7.0385e-9

46.8

335

BDI

HHE

2.1493e-6

3.3571e-7

1.9652e-7

6.7111e-8

3.9635e-8

6.5516e-6

1.5769e-6

5.4275e-8

9.0031e-9

46.8

335

CARD

HHZ

2.2460e-6

4.0704e-7

2.1377e-7

6.8534e-8

3.4807e-8

4.7544e-6

1.6050e-6

5.3195e-8

7.5759e-9

48.0

323

CARD

HHN

7.8501e-6

5.9744e-7

3.5539e-7

1.1630e-7

5.5239e-8

1.0552e-5

2.1727e-6

9.9268e-8

1.6855e-8

48.0

323

CARD

HHE

5.1697e-6

7.4803e-7

3.7225e-7

1.4518e-7

6.8688e-8

1.5537e-5

1.9861e-6

1.0023e-7

1.7835e-8

48.0

323

SARM

EHZ

3.0873e-7

6.7380e-8

6.9094e-8

3.3629e-8

1.4118e-8

7.8181e-7

4.3224e-7

1.8831e-8

2.2669e-9

66.0

328

SARM

EHN

5.3429e-7

1.6386e-7

1.0953e-7

1.0542e-7

3.7628e-8

8.3579e-7

4.4062e-7

4.3673e-8

4.4450e-9

66.0

328

SARM

EHE

4.3060e-7

1.0390e-7

8.3055e-8

7.7589e-8

2.6332e-8

9.4830e-7

5.0348e-7

3.3995e-8

4.0445e-9

66.0

328

EQUI

HHZ

5.3664e-7

1.0889e-7

8.7326e-8

4.6316e-8

2.1650e-8

1.3836e-6

4.9388e-7

2.2925e-8

2.6559e-9

76.9

315

EQUI

HHN

8.7519e-7

1.2680e-7

9.1124e-8

8.3087e-8

7.1285e-8

2.6122e-6

4.7495e-7

6.8704e-8

4.5854e-9

76.9

315

EQUI

HHE

6.4977e-7

1.0535e-7

6.9691e-8

3.7489e-8

1.9555e-8

2.6132e-6

3.3465e-7

2.2340e-8

2.6523e-9

76.9

315

*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: Valdarno inferiore , magnitude (ML): 0.7 2024-05-13 18:50:03 (UTC)

MANUAL Location - Area: Valdarno inferiore , magnitude (M_L): 0.7
2024-05-13 18:50:03 (UTC)