RSNI - Manually revised location

MANUAL Location - Area: Versilia , magnitude (M_L): 1.1
2024-06-25 18:15:54 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2024-06-26 07:34:32

Earthquake info - Manual location

Event - ID :	240625181526
Magnitude (M_L) :	1.1 +/- 0.2
Origin Time :	2024-06-25 18:15:54.096 (UTC)
Location :	Latitude: 43.832 N, Longitude: 10.239 E
Area :	Versilia
Depth (km) :	6.01
Distances (km) :	4.4 --- Viareggio 9.2 --- Massarosa 13.1 --- Vecchiano 13.2 --- Camaiore 14.0 --- Pietrasanta 15.7 --- Forte dei Marmi 17.9 --- San Giuliano Terme 18.2 --- Pisa 18.2 --- Seravezza 19.0 --- Stazzema 20.4 --- Pescaglia 21.4 --- Montignoso 21.4 --- Lucca 23.5 --- Massa 23.8 --- Fabbriche di Vallico 25.1 --- Calci 26.8 --- Capannori 27.1 --- Vergemoli 28.1 --- Carrara 29.6 --- Borgo a Mozzano

Quality location estimate: Erh: 0.9 km, Erz: 1.2 km, Nf: 18, Gap: 190 °, Rms: 0.13

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.
CME	IT	2024-06-25 18:15:57.539	0.020	0	-0.03	1.41	2024-06-25 18:15:59.807	0.100	2	-0.32	0.56	15.8
MAIM	GU	2024-06-25 18:15:58.900	0.012	0	0.04	1.41	2024-06-25 18:16:01.920	0.072	2	-0.49	0.25	23.0
PII	IV	2024-06-25 18:15:59.596	0.040	1	-0.02	1.41	2024-06-25 18:16:03.483	0.083	2	-0.24	0.76	26.7
CARD	GU	2024-06-25 18:15:59.758	0.060	2	0.21	0.71	2024-06-25 18:16:03.680	0.091	2	0.09	1.16	29.7
EQUI	GU	2024-06-25 18:16:00.957	0.060	2	-0.02	1.37	2024-06-25 18:16:05.767	0.118	3	-0.26	0.77	38.2
BDI	IV	2024-06-25 18:16:01.426	0.150	6	0.12	1.03	2024-06-25 18:16:06.560	0.117	3	-0.14	1.02	39.0
PLMA	GU	2024-06-25 18:16:01.370	0.202	8	-0.03	1.05	2024-06-25 18:16:06.605	0.250	6	-0.13	0.87	39.7
SARM	GU	2024-06-25 18:16:01.860	0.026	1	0.14	1.01	2024-06-25 18:16:07.359	0.126	3	-0.04	1.12	41.8
POPM	GU	2024-06-25 18:16:02.902	0.180	7	0.08	1.03	2024-06-25 18:16:09.390	0.144	4	0.00	1.06	48.2

Local magnitude (M_L) calculation results

Station	Net	Channels	Stat. Mag.	Wood-And. Ampl.	Dist. (km)	Azimuth
CME	IT	HN	1.14	5.54e-1	15.8	20
MAIM	GU	HH	1.19	2.81e-1	23.0	66
BDI	IV	HH	1.25	1.67e-1	39.0	48
PLMA	GU	HH	0.73	3.84e-2	39.7	308
SARM	GU	EH	0.91	6.45e-2	41.8	18
POPM	GU	HH	1.27	1.87e-1	48.2	60

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.
(°)

CME

HNZ

3.4114e-5

3.2963e-6

2.5080e-6

9.8447e-7

4.9466e-7

7.6736e-5

1.6132e-5

7.1684e-7

9.4197e-8

15.8

CME

HNN

4.0092e-5

5.1988e-6

4.0207e-6

1.6686e-6

6.9672e-7

6.8824e-5

1.4649e-5

1.0882e-6

1.6997e-7

15.8

CME

HNE

3.9725e-5

6.6508e-6

4.8440e-6

2.4964e-6

1.1742e-6

1.3357e-4

2.9426e-5

1.5631e-6

1.8893e-7

15.8

MAIM

HHZ

2.2678e-5

3.4375e-6

1.5234e-6

4.3679e-7

2.5019e-7

5.0377e-5

5.1889e-6

4.4939e-7

8.6412e-8

23.0

MAIM

HHN

2.8455e-5

3.8733e-6

2.1859e-6

9.8809e-7

3.3966e-7

5.0707e-5

8.9113e-6

5.0501e-7

1.0496e-7

23.0

MAIM

HHE

3.3561e-5

4.2783e-6

2.1213e-6

8.5625e-7

3.7991e-7

5.0956e-5

1.3646e-5

6.2800e-7

1.1149e-7

23.0

PII

HHZ

3.5310e-6

7.6033e-7

5.4037e-7

1.6035e-7

6.7741e-8

1.0495e-5

2.2146e-6

1.1207e-7

1.6578e-8

26.7

118

PII

HHN

4.4964e-6

7.6884e-7

5.7139e-7

2.0937e-7

9.2706e-8

1.2825e-5

3.0229e-6

1.3984e-7

2.0961e-8

26.7

118

PII

HHE

3.8231e-6

8.3985e-7

5.1457e-7

1.6021e-7

7.1536e-8

1.5597e-5

3.2039e-6

1.1242e-7

2.0406e-8

26.7

118

CARD

HHZ

5.2377e-5

5.0435e-6

2.5655e-6

1.2658e-6

5.6067e-7

4.7733e-5

1.5246e-5

8.3544e-7

1.3792e-7

29.7

CARD

HHN

1.0794e-4

1.3660e-5

4.4919e-6

1.3862e-6

6.3365e-7

2.1270e-4

1.8076e-5

1.1333e-6

2.7711e-7

29.7

CARD

HHE

9.0290e-5

1.2561e-5

4.4300e-6

1.6120e-6

6.9184e-7

1.8444e-4

2.1702e-5

9.9430e-7

2.5039e-7

29.7

EQUI

HHZ

3.6638e-6

4.7524e-7

2.3923e-7

1.0063e-7

4.8948e-8

7.0122e-6

1.1566e-6

5.8499e-8

1.0864e-8

38.2

350

EQUI

HHN

7.3313e-6

7.4718e-7

2.3511e-7

1.3863e-7

9.2268e-8

1.1898e-5

1.1070e-6

1.0167e-7

1.3332e-8

38.2

350

EQUI

HHE

5.1948e-6

5.5583e-7

2.6461e-7

9.5088e-8

5.4863e-8

8.9192e-6

1.3622e-6

6.1588e-8

9.6971e-9

38.2

350

BDI

HHZ

1.0296e-5

1.2918e-6

7.3620e-7

2.7973e-7

1.1582e-7

1.6368e-5

4.1053e-6

1.7451e-7

2.6630e-8

39.0

BDI

HHN

1.1996e-5

2.3477e-6

1.4454e-6

5.5865e-7

3.0003e-7

2.9913e-5

7.5550e-6

3.8839e-7

6.2013e-8

39.0

BDI

HHE

1.3372e-5

2.2130e-6

1.2032e-6

4.7171e-7

2.3370e-7

4.0893e-5

6.3083e-6

3.3529e-7

4.7983e-8

39.0

PLMA

HHZ

2.3982e-6

3.5530e-7

2.1736e-7

1.2033e-7

4.1805e-8

3.7835e-6

9.5840e-7

5.7443e-8

7.4472e-9

39.7

308

PLMA

HHN

2.7780e-6

4.8789e-7

3.4600e-7

1.5416e-7

6.2240e-8

8.2296e-6

1.7449e-6

7.1049e-8

1.0927e-8

39.7

308

PLMA

HHE

2.5742e-6

4.4335e-7

3.4676e-7

1.6354e-7

6.5387e-8

8.1978e-6

1.6208e-6

8.4580e-8

1.0443e-8

39.7

308

SARM

EHZ

3.8837e-6

6.9840e-7

3.2033e-7

1.1476e-7

5.5600e-8

1.0001e-5

1.2361e-6

8.8005e-8

1.5585e-8

41.8

SARM

EHN

3.7691e-6

5.6862e-7

4.5604e-7

2.7654e-7

1.2177e-7

1.0667e-5

2.3816e-6

1.5249e-7

1.7665e-8

41.8

SARM

EHE

5.4305e-6

9.2428e-7

4.8538e-7

2.2649e-7

1.0015e-7

1.7427e-5

2.0828e-6

1.3178e-7

2.0180e-8

41.8

POPM

HHZ

1.1164e-5

1.8496e-6

1.1424e-6

3.0199e-7

1.3537e-7

4.0029e-5

6.3291e-6

2.1165e-7

4.1039e-8

48.2

POPM

HHN

1.8308e-5

2.8042e-6

1.8268e-6

3.5672e-7

1.8690e-7

4.9417e-5

8.6543e-6

3.0032e-7

6.1869e-8

48.2

POPM

HHE

1.3458e-5

2.6895e-6

1.9407e-6

4.9701e-7

2.1449e-7

3.4398e-5

1.2384e-5

3.2514e-7

6.2212e-8

48.2

*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: Versilia , magnitude (ML): 1.1 2024-06-25 18:15:54 (UTC)

MANUAL Location - Area: Versilia , magnitude (M_L): 1.1
2024-06-25 18:15:54 (UTC)