RsniPicker2 Automatic Earthquake Location

AUTOMATIC Location - Area: Valdarno inferiore , magnitude (M_L): 0.3
2026-08-08 00:46:11 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2026-08-08 00:50:34

Earthquake info - RsniPicker₂ automatic location

Event - ID :	260808004546
Magnitude (M_L) :	0.3 +/- 0.3
Origin Time :	2026-08-08 00:46:11.57 (UTC)
Location :	Latitude: 43.780 N, Longitude: 10.514 E
Area :	Valdarno inferiore
Depth (km) :	2.87
Distances (km) :	5.7 --- Calci (PI) 6.0 --- San Giuliano Terme (PI) 7.3 --- Lucca (LU) 8.3 --- Buti (PI) 8.5 --- Capannori (LU) 10.1 --- Vecchiano (PI) 10.2 --- Vicopisano (PI) 10.9 --- Porcari (LU) 11.4 --- Pisa (PI) 11.5 --- Bientina (PI) 11.7 --- Cascina (PI) 13.4 --- Calcinaia (PI) 13.7 --- Altopascio (LU) 14.9 --- Montecarlo (LU) 16.3 --- Pontedera (PI) 17.0 --- Santa Maria a Monte (PI) 17.7 --- Massarosa (LU) 17.9 --- Chiesina Uzzanese (PT) 19.1 --- Pescia (PT) 19.5 --- Uzzano (PT)

Quality location estimate:
Erh: 5.1 km, Erz: 3.2 km, Nf: 11, Gap: 175°, Rms: 0.217 s
Stazioni validate: 8

RsniPicker₂ - Automatic location results

Station	Net	P arrival times	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	2026-08-08 00:46:13.410	0.004	0	0.00	2.04	--:--	-.---	-	-.--	-.--	7.1
MAIM	GU	2026-08-08 00:46:14.880	0.291	2	-0.01	1.19	2026-08-08 00:46:15.559	0.046	0	-1.81	0.05	15.3
CARD	GU	2026-08-08 00:46:17.150	0.038	0	0.00	2.02	2026-08-08 00:46:20.650	0.234	2	-0.64	0.40	27.7
VLC	MN	--:--	-.---	-	-.--	-.--	2026-08-08 00:46:26.080	0.131	2	0.02	1.44	43.5
SARM	GU	--:--	-.---	-	-.--	-.--	2026-08-08 00:46:26.379	0.353	2	-0.47	0.72	45.9
GSCL	GU	2026-08-08 00:46:23.900	0.262	2	-0.02	1.20	2026-08-08 00:46:33.630	0.192	2	0.65	0.21	63.8
ZCCA	IV	--:--	-.---	-	-.--	-.--	2026-08-08 00:46:35.799	0.436	2	-1.08	0.31	73.5
LMD	IV	2026-08-08 00:46:31.040	0.051	1	0.00	1.43	--:--	-.---	-	-.--	-.--	101.2

RsniPicker₂ - Automatic magnitude (M_L) calculation results

Station	Net	Stat. Mag.	Wood-And. Ampl.	Dist. (km)	Azimuth	Used
PII	IV	-0.20	1.18e-1	7.1	172	SI
MAIM	GU	0.00	4.02e-2	15.3	353	SI
CARD	GU	0.50	4.26e-2	27.7	355	SI
SARM	GU	0.10	8.43e-3	45.9	349	SI
GSCL	GU	0.70	1.27e-2	63.8	5	SI
ZCCA	IV	0.50	6.38e-3	73.5	30	SI

Results of PGA, PGV, IH, spectral amplitudes (SA) values calculation

Station

Net

Channel

PGA
(g)

PGV
(m/s)

PGD
(m)

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

1.4627e-5

2.3216e-6

0.0000e+0

1.0480e-6

1.9242e-6

2.7810e-6

3.6447e-5

2.5342e-6

1.6175e-7

3.8889e-8

7.1

172

PII

HHN

1.3621e-5

2.0512e-6

0.0000e+0

1.2680e-6

2.2974e-6

3.6807e-5

4.8877e-6

2.0810e-7

4.6458e-8

7.1

172

PII

HHE

1.2187e-5

2.2964e-6

0.0000e+0

1.3009e-6

2.5678e-6

3.7329e-6

3.7535e-5

3.6390e-6

2.6201e-7

4.8401e-8

7.1

172

MAIM

HHZ

5.4616e-6

6.0144e-7

0.0000e+0

3.0011e-7

5.6510e-7

8.2896e-7

6.9195e-6

5.1737e-7

5.3831e-8

1.1481e-8

15.3

353

MAIM

HHN

5.0582e-6

7.1493e-7

0.0000e+0

4.7680e-7

8.2147e-7

1.2824e-5

9.8218e-7

8.6691e-8

1.6965e-8

15.3

353

MAIM

HHE

3.8101e-6

6.0063e-7

0.0000e+0

4.3042e-7

7.4684e-7

1.0678e-6

9.4088e-6

1.0316e-6

1.4176e-7

1.5773e-8

15.3

353

CARD

HHZ

2.5872e-6

3.7247e-7

0.0000e+0

2.3112e-7

4.5028e-7

6.2700e-7

7.4934e-6

6.1079e-7

6.4116e-8

8.9303e-9

27.7

355

CARD

HHN

7.5690e-6

9.4793e-7

0.0000e+0

5.8932e-7

1.0096e-6

1.5021e-5

1.1408e-6

7.0615e-8

1.9217e-8

27.7

355

CARD

HHE

7.6711e-6

8.9554e-7

0.0000e+0

5.6010e-7

1.0117e-6

1.4378e-6

2.2332e-5

1.4238e-6

1.0541e-7

1.9919e-8

27.7

355

VLC

HHZ

7.7646e-7

9.4232e-8

0.0000e+0

6.2479e-8

1.0393e-7

1.5770e-7

1.7558e-6

1.6360e-7

5.0471e-8

5.3674e-9

43.5

-1

VLC

HHN

1.1554e-6

1.8314e-7

0.0000e+0

1.1012e-7

1.9707e-7

3.1472e-6

2.2822e-7

8.3138e-8

6.8076e-9

43.5

-1

VLC

HHE

1.0908e-6

1.3550e-7

0.0000e+0

8.1586e-8

1.4709e-7

2.1834e-7

2.5088e-6

2.6319e-7

4.3258e-8

8.7656e-9

43.5

-1

SARM

EHZ

5.1194e-7

7.9549e-8

0.0000e+0

5.9089e-8

1.0156e-7

1.4225e-7

1.4074e-6

2.6977e-7

4.1368e-8

5.0820e-9

45.9

349

SARM

EHN

5.6034e-7

9.8341e-8

0.0000e+0

7.4003e-8

1.4250e-7

1.3827e-6

2.4079e-7

4.6601e-8

5.8208e-9

45.9

349

SARM

EHE

8.4938e-7

1.0325e-7

0.0000e+0

7.1014e-8

1.2550e-7

1.6870e-7

1.7708e-6

2.3710e-7

3.3534e-8

3.5497e-9

45.9

349

GSCL

HHZ

2.8121e-7

5.5299e-8

0.0000e+0

3.3074e-8

7.3348e-8

1.2126e-7

6.9042e-7

1.2815e-7

5.6216e-8

5.3823e-9

63.8

GSCL

HHN

5.7038e-7

1.6222e-7

0.0000e+0

1.0774e-7

1.7177e-7

1.0722e-6

5.4115e-7

5.2990e-8

6.1519e-9

63.8

GSCL

HHE

6.9488e-7

1.6531e-7

0.0000e+0

8.1455e-8

1.4038e-7

1.9725e-7

9.9583e-7

4.1589e-7

4.9266e-8

6.1808e-9

63.8

ZCCA

HHZ

3.4065e-7

5.2185e-8

0.0000e+0

3.1868e-8

6.9160e-8

1.3011e-7

2.7348e-7

1.2012e-7

4.8358e-8

6.9053e-9

73.5

ZCCA

HHN

4.6910e-7

6.4469e-8

0.0000e+0

5.0041e-8

1.0155e-7

4.6034e-7

2.4922e-7

5.7371e-8

6.8228e-9

73.5

ZCCA

HHE

5.5739e-7

6.6545e-8

0.0000e+0

4.2282e-8

8.5384e-8

1.4059e-7

5.8760e-7

2.3655e-7

4.2547e-8

5.7570e-9

73.5

*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)

AUTOMATIC Location - Area: Valdarno inferiore , magnitude (ML): 0.3 2026-08-08 00:46:11 (UTC)

AUTOMATIC Location - Area: Valdarno inferiore , magnitude (M_L): 0.3
2026-08-08 00:46:11 (UTC)