RSNI - Manually revised location

MANUAL Location - Area: Valdarno inferiore , magnitude (M_L): 0.9
2024-11-17 11:42:12 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2024-11-18 07:59:34

Earthquake info - Manual location

Event - ID :	241117114152
Magnitude (M_L) :	0.9 +/- 0.2
Origin Time :	2024-11-17 11:42:12.969 (UTC)
Location :	Latitude: 43.661 N, Longitude: 10.900 E
Area :	Valdarno inferiore
Depth (km) :	7.74
Distances (km) :	4.6 --- San Miniato 7.7 --- Empoli 8.3 --- Castelfiorentino 10.5 --- Fucecchio 11.2 --- Cerreto Guidi 11.3 --- Montopoli in Val d Arno 11.3 --- Santa Croce sull Arno 11.3 --- Capraia e Limite 11.9 --- Montaione 12.0 --- Palaia 12.8 --- Montelupo Fiorentino 13.2 --- Castelfranco di Sotto 14.1 --- Vinci 14.1 --- Gambassi Terme 14.3 --- Montespertoli 16.9 --- Certaldo 17.2 --- Santa Maria a Monte 17.4 --- Lamporecchio 18.2 --- Larciano 19.1 --- Peccioli

Quality location estimate: Erh: 0.9 km, Erz: 1.4 km, Nf: 20, Gap: 159 °, Rms: 0.33

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	2024-11-17 11:42:19.150	0.021	1	-0.03	1.80	2024-11-17 11:42:22.960	0.096	2	-0.73	0.54	31.9
OSSC	IV	2024-11-17 11:42:19.444	0.020	0	0.04	1.73	2024-11-17 11:42:24.038	0.040	0	-0.02	1.62	32.8
CSNT	IV	2024-11-17 11:42:20.342	0.060	2	-0.37	0.43	2024-11-17 11:42:25.303	0.135	4	-0.99	0.56	38.5
MAIM	GU	2024-11-17 11:42:21.100	0.023	1	0.06	1.60	2024-11-17 11:42:25.915	0.132	4	-0.96	0.58	43.9
POPM	GU	2024-11-17 11:42:21.460	0.023	1	0.13	1.10	2024-11-17 11:42:27.310	0.136	4	-0.21	1.07	45.0
CARD	GU	2024-11-17 11:42:22.570	0.027	1	-0.04	1.68	2024-11-17 11:42:28.680	0.161	5	-0.95	0.57	53.3
RUFI	IV	2024-11-17 11:42:23.080	0.027	1	-0.05	1.63	2024-11-17 11:42:29.602	0.245	6	-1.14	0.47	53.3
CME	IT	2024-11-17 11:42:23.479	0.020	0	-0.16	1.17	2024-11-17 11:42:30.076	0.040	0	-1.32	0.30	58.7
SARM	GU	2024-11-17 11:42:24.912	0.020	0	-0.77	0.56	2024-11-17 11:42:34.737	0.040	0	-0.30	0.89	71.1
EQUI	GU	2024-11-17 11:42:27.410	0.042	2	0.03	1.43	2024-11-17 11:42:36.410	0.424	9	-1.50	0.27	82.4

Local magnitude (M_L) calculation results

Station	Net	Channels	Stat. Mag.	Wood-And. Ampl.	Dist. (km)	Azimuth
PII	IV	HH	0.63	4.77e-2	31.9	283
OSSC	IV	HH	0.88	7.93e-2	32.8	119
MAIM	GU	HH	0.91	4.32e-2	43.9	311
POPM	GU	HH	0.70	5.86e-2	45.0	345
SARM	GU	EH	1.11	3.37e-2	71.1	326
EQUI	GU	HH	1.00	1.58e-2	82.4	313

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

3.0919e-5

3.9565e-6

2.8992e-7

6.8487e-8

3.8581e-8

1.4230e-5

1.2986e-6

7.3016e-8

1.6451e-8

31.9

283

PII

HHN

1.3847e-5

1.5810e-6

4.6059e-7

1.5894e-7

6.8949e-8

1.5232e-5

4.1651e-6

9.1331e-8

1.5596e-8

31.9

283

PII

HHE

1.3553e-5

1.2950e-6

3.9630e-7

1.3006e-7

6.8845e-8

1.4048e-5

2.2764e-6

8.8492e-8

1.2844e-8

31.9

283

OSSC

HHZ

3.4527e-6

5.0879e-7

3.3948e-7

1.2781e-7

5.3008e-8

5.5476e-6

1.7841e-6

7.3563e-8

1.2402e-8

32.8

119

OSSC

HHN

3.8579e-6

7.1555e-7

6.2851e-7

2.1715e-7

1.1051e-7

1.1367e-5

3.2793e-6

1.5226e-7

1.8301e-8

32.8

119

OSSC

HHE

4.5615e-6

1.0462e-6

7.8266e-7

3.2337e-7

1.1856e-7

1.3390e-5

3.3703e-6

1.5981e-7

2.5310e-8

32.8

119

MAIM

HHZ

5.7059e-6

7.3423e-7

2.9713e-7

8.2941e-8

4.4876e-8

1.2680e-5

1.5803e-6

7.5206e-8

1.6506e-8

43.9

311

MAIM

HHN

5.3940e-6

7.9751e-7

4.2463e-7

1.3322e-7

6.8589e-8

1.0081e-5

1.9590e-6

1.0055e-7

1.8506e-8

43.9

311

MAIM

HHE

5.0881e-6

7.0537e-7

3.1295e-7

1.1049e-7

6.3453e-8

1.6060e-5

1.0999e-6

9.4816e-8

1.7106e-8

43.9

311

POPM

HHZ

3.1371e-6

4.6877e-7

2.4156e-7

7.8891e-8

4.2862e-8

8.9054e-6

8.9602e-7

5.6454e-8

9.5653e-9

45.0

345

POPM

HHN

4.0386e-6

7.8087e-7

4.9261e-7

1.1166e-7

5.9890e-8

1.4737e-5

1.7850e-6

9.4035e-8

1.7709e-8

45.0

345

POPM

HHE

5.2947e-6

9.0181e-7

5.1832e-7

1.4190e-7

7.1062e-8

9.9667e-6

2.3113e-6

9.8193e-8

2.0187e-8

45.0

345

CARD

HHZ

2.8417e-6

4.7303e-7

3.6905e-7

1.2787e-7

5.9151e-8

7.5991e-6

2.6105e-6

7.9066e-8

1.1891e-8

53.3

321

CARD

HHN

9.2567e-6

1.3061e-6

6.5887e-7

1.5947e-7

7.1411e-8

2.0770e-5

3.7887e-6

1.1850e-7

2.4304e-8

53.3

321

CARD

HHE

9.6701e-6

1.3422e-6

6.5305e-7

2.0927e-7

1.0629e-7

2.9753e-5

3.4977e-6

1.7636e-7

3.6232e-8

53.3

321

CME

HNZ

5.0270e-6

7.0650e-7

4.3012e-7

2.6224e-7

1.3684e-7

6.6407e-6

1.9173e-6

1.9951e-7

1.7091e-8

58.7

304

CME

HNN

3.2277e-6

8.9211e-7

5.5852e-7

3.7910e-7

2.0894e-7

9.4329e-6

2.6341e-6

2.3300e-7

2.0819e-8

58.7

304

CME

HNE

4.8487e-6

5.7610e-7

4.7472e-7

3.2411e-7

2.3731e-7

1.0426e-5

2.3347e-6

3.7325e-7

1.7031e-8

58.7

304

SARM

EHZ

4.4093e-7

1.3853e-7

1.1100e-7

5.6061e-8

2.4122e-8

1.3005e-6

6.2139e-7

2.8301e-8

3.5437e-9

71.1

326

SARM

EHN

1.0475e-6

2.3331e-7

1.9024e-7

1.8625e-7

8.3529e-8

2.1903e-6

7.7125e-7

1.1035e-7

9.1382e-9

71.1

326

SARM

EHE

8.2581e-7

1.6316e-7

1.1438e-7

1.1831e-7

5.0274e-8

1.4843e-6

8.1424e-7

6.2557e-8

6.8671e-9

71.1

326

EQUI

HHZ

7.3832e-7

2.0286e-7

1.3854e-7

5.8931e-8

2.5347e-8

1.8316e-6

9.3162e-7

3.7769e-8

5.3047e-9

82.4

313

EQUI

HHN

1.6090e-6

2.6004e-7

1.7102e-7

6.6695e-8

4.2870e-8

5.4574e-6

9.9686e-7

5.4932e-8

7.3561e-9

82.4

313

EQUI

HHE

6.6270e-7

1.2774e-7

1.1120e-7

9.1670e-8

6.1068e-8

2.3891e-6

5.9401e-7

9.3010e-8

4.2942e-9

82.4

313

*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): 0.9 2024-11-17 11:42:12 (UTC)

MANUAL Location - Area: Valdarno inferiore , magnitude (M_L): 0.9
2024-11-17 11:42:12 (UTC)