RsniPicker2 Automatic Earthquake Location

AUTOMATIC Location - Area: Valdarno inferiore , magnitude (M_L): 1.2
2026-01-18 17:57:11 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2026-01-18 18:01:46

Earthquake info - RsniPicker₂ automatic location

Event - ID :	260118175642
Magnitude (M_L) :	1.2 +/- 0.2
Origin Time :	2026-01-18 17:57:11.24 (UTC)
Location :	Latitude: 43.952 N, Longitude: 10.954 E
Area :	Valdarno inferiore
Depth (km) :	56.02
Distances (km) :	3.9 --- Pistoia (PT) 5.5 --- Montale (PT) 6.9 --- Agliana (PT) 7.3 --- Montemurlo (PO) 10.9 --- Serravalle Pistoiese (PT) 11.7 --- Quarrata (PT) 13.9 --- Prato (PO) 14.1 --- Vaiano (PO) 14.4 --- Monsummano Terme (PT) 14.8 --- Marliana (PT) 15.0 --- Cantagallo (PO) 15.1 --- Pieve a Nievole (PT) 15.7 --- Lamporecchio (PT) 15.9 --- Larciano (PT) 16.2 --- Carmignano (PO) 16.5 --- Granaglione (BO) 16.5 --- Montecatini-Terme (PT) 17.1 --- Poggio a Caiano (PO) 17.3 --- Sambuca Pistoiese (PT) 17.3 --- Piteglio (PT)

Quality location estimate:
Erh: 5.2 km, Erz: 3 km, Nf: 11, Gap: 146°, Rms: 0.242 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.
POPM	GU	2026-01-18 17:57:20.309	0.046	0	0.05	1.41	2026-01-18 17:57:26.790	0.179	2	0.08	1.20	59.1
MAIM	GU	--:--	-.---	-	-.--	-.--	2026-01-18 17:57:28.458	0.255	2	-0.52	0.85	67.3
CARD	GU	--:--	-.---	-	-.--	-.--	2026-01-18 17:57:28.530	0.205	2	-0.23	1.23	68.0
PII	IV	--:--	-.---	-	-.--	-.--	2026-01-18 17:57:30.670	0.213	2	0.08	1.12	70.6
RUFI	IV	2026-01-18 17:57:22.309	0.052	1	-0.05	1.55	2026-01-18 17:57:29.959	0.220	2	-0.64	0.67	72.7
SARM	GU	--:--	-.---	-	-.--	-.--	2026-01-18 17:57:30.690	0.229	2	-0.35	1.08	75.9
ERBM	IV	2026-01-18 17:57:25.410	0.128	2	-0.11	1.43	--:--	-.---	-	-.--	-.--	87.8
EQUI	GU	--:--	-.---	-	-.--	-.--	2026-01-18 17:57:32.939	0.493	2	-0.95	0.46	88.2
PLMA	IV	2026-01-18 17:57:23.190	0.550	3	-3.42	0.00	--:--	-.---	-	-.--	-.--	104.9

RsniPicker₂ - Automatic magnitude (M_L) calculation results

Station	Net	Stat. Mag.	Wood-And. Ampl.	Dist. (km)	Azimuth	Used
POPM	GU	1.40	1.75e-1	59.1	303	SI
MAIM	GU	1.20	3.60e-2	67.3	264	SI
CARD	GU	1.60	9.49e-2	68.0	282	SI
PII	IV	1.30	4.11e-2	70.6	234	SI
SARM	GU	0.90	1.62e-2	75.9	300	SI
ERBM	IV	1.10	1.79e-2	87.8	320	SI
EQUI	GU	1.00	1.26e-2	88.2	291	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.
(°)

POPM

HHZ

2.0301e-5

2.2171e-6

0.0000e+0

6.6088e-7

1.1586e-6

1.6323e-6

1.3643e-5

2.3788e-6

1.1202e-7

2.2659e-8

59.1

303

POPM

HHN

1.6761e-5

3.0776e-6

0.0000e+0

1.5921e-6

2.5917e-6

2.4653e-5

5.5875e-6

2.9775e-7

4.6482e-8

59.1

303

POPM

HHE

1.9722e-5

2.5327e-6

0.0000e+0

1.1547e-6

1.9806e-6

2.7440e-6

1.5284e-5

4.8586e-6

2.0255e-7

3.4116e-8

59.1

303

MAIM

HHZ

2.0921e-6

3.6210e-7

0.0000e+0

2.0444e-7

3.7590e-7

5.2782e-7

4.8893e-6

4.7250e-7

8.5482e-8

2.1174e-8

67.3

264

MAIM

HHN

3.6182e-6

5.6392e-7

0.0000e+0

2.8744e-7

5.3958e-7

6.4384e-6

8.5518e-7

9.1969e-8

1.3400e-8

67.3

264

MAIM

HHE

3.7308e-6

4.7400e-7

0.0000e+0

2.6733e-7

4.9036e-7

7.0505e-7

1.1510e-5

8.8517e-7

1.1441e-7

1.5103e-8

67.3

264

CARD

HHZ

4.0903e-6

5.5215e-7

0.0000e+0

2.2641e-7

4.3156e-7

6.4908e-7

1.0054e-5

4.6262e-7

5.5752e-8

1.0870e-8

68.0

282

CARD

HHN

1.3784e-5

2.1211e-6

0.0000e+0

8.1482e-7

1.4479e-6

2.7676e-5

2.1363e-6

1.3764e-7

2.6957e-8

68.0

282

CARD

HHE

1.6712e-5

1.7736e-6

0.0000e+0

5.2430e-7

9.5579e-7

1.3912e-6

1.8103e-5

1.6544e-6

8.9743e-8

1.9676e-8

68.0

282

PII

HHZ

1.0761e-6

1.9713e-7

0.0000e+0

1.7985e-7

2.9163e-7

3.9363e-7

2.2273e-6

9.8551e-7

4.6655e-8

7.3967e-9

70.6

234

PII

HHN

1.7041e-6

3.6144e-7

0.0000e+0

2.0137e-7

3.2858e-7

3.0013e-6

1.2476e-6

5.4172e-8

8.6988e-9

70.6

234

PII

HHE

2.1091e-6

3.6052e-7

0.0000e+0

2.3583e-7

3.9227e-7

5.3693e-7

3.2704e-6

6.3594e-7

6.6172e-8

7.2812e-9

70.6

234

SARM

EHZ

3.3407e-7

1.2026e-7

0.0000e+0

3.7064e-8

7.6785e-8

1.3162e-7

7.0166e-7

1.6395e-7

5.1743e-8

1.3449e-8

75.9

300

SARM

EHN

7.2501e-7

1.2984e-7

0.0000e+0

6.9524e-8

1.6141e-7

1.4429e-6

2.7877e-7

7.5251e-8

1.0606e-8

75.9

300

SARM

EHE

5.4919e-7

9.2700e-8

0.0000e+0

5.1287e-8

1.1798e-7

1.8195e-7

8.2402e-7

2.4708e-7

5.9856e-8

9.9610e-9

75.9

300

EQUI

HHZ

6.5504e-7

9.7165e-8

0.0000e+0

5.0126e-8

1.0336e-7

1.8677e-7

1.4122e-6

2.1014e-7

8.4727e-8

1.2886e-8

88.2

291

EQUI

HHN

1.0585e-6

1.1568e-7

0.0000e+0

6.5845e-8

1.4978e-7

1.1405e-6

3.1876e-7

1.2345e-7

1.5575e-8

88.2

291

EQUI

HHE

8.5772e-7

9.9548e-8

0.0000e+0

5.7772e-8

1.2976e-7

2.2360e-7

1.9391e-6

3.4515e-7

1.0483e-7

1.0146e-8

88.2

291

PLMA

HHZ

7.7610e-7

1.4537e-7

0.0000e+0

5.0675e-8

1.7682e-7

3.5038e-7

9.5334e-7

2.2715e-7

2.1077e-7

2.3593e-8

104.9

-1

PLMA

HHN

1.2402e-6

1.9237e-7

0.0000e+0

8.6638e-8

3.2349e-7

3.0717e-6

4.2580e-7

3.4712e-7

3.0594e-8

104.9

-1

PLMA

HHE

9.5235e-7

1.8590e-7

0.0000e+0

6.6738e-8

2.8613e-7

5.3726e-7

1.4871e-6

2.4464e-7

3.5772e-7

3.5439e-8

104.9

-1

*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): 1.2 2026-01-18 17:57:11 (UTC)

AUTOMATIC Location - Area: Valdarno inferiore , magnitude (M_L): 1.2
2026-01-18 17:57:11 (UTC)