Earthquake with magnitude of ML 1.4 on date 29-01-2023 and time 15:31:34 (Italy) in region 1 km E Buti (PI)

A magnitude ML 1.4 earthquake occured in region: 1 km E Buti (PI), on

  • 29-01-2023 14:31:34 (UTC)
  • 29-01-2023 15:31:34 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.7310, 10.6040 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Buti PI 1 5791 5791
Bientina PI 3 8062 13853
Vicopisano PI 4 8559 22412
Calcinaia PI 5 12439 34851
Calci PI 7 6426 41277
Cascina PI 7 45257 86534
Pontedera PI 8 29223 115757
Santa Maria a Monte PI 8 13253 129010
Altopascio LU 11 15481 144491
Castelfranco di Sotto PI 12 13427 157918
Porcari LU 12 8845 166763
Ponsacco PI 13 15611 182374
Capannori LU 13 46252 228626
San Giuliano Terme PI 13 31399 260025
Santa Croce sull'Arno PI 14 14601 274626
Montecarlo LU 14 4428 279054
Montopoli in Val d'Arno PI 14 11148 290202
Lucca LU 15 89046 379248
Chiesina Uzzanese PT 15 4552 383800
Pisa PI 16 89158 472958
Fucecchio FI 17 23618 496576
Ponte Buggianese PT 17 8804 505380
Capannoli PI 17 6381 511761
Crespina Lorenzana PI 18 5457 517218
Vecchiano PI 18 12189 529407
Collesalvetti LI 19 16827 546234
Uzzano PT 19 5770 552004
Fauglia PI 19 3682 555686
Buggiano PT 19 8825 564511
Palaia PI 20 4612 569123

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km SE of Lucca (89046 inhabitants)
16 Km E of Pisa (89158 inhabitants)
31 Km NE of Livorno (159219 inhabitants)
32 Km E of Viareggio (62467 inhabitants)
34 Km SW of Pistoia (90315 inhabitants)
43 Km W of Prato (191150 inhabitants)
47 Km W of Scandicci (50609 inhabitants)
50 Km SE of Massa (69479 inhabitants)
53 Km W of Firenze (382808 inhabitants)
56 Km SE of Carrara (63133 inhabitants)
75 Km NW of Siena (53903 inhabitants)
75 Km SE of La Spezia (93959 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
ML 1.4 2023-01-29
14:31:34
43.7312 10.6035 10 2024-03-01
17:17:56
Bollettino Sismico Italiano INGV 114661961
Reviewed
Rev100
ML 1.3 2023-01-29
14:31:34
43.732 10.5923 10 2023-01-29
14:37:49
Sala Sismica INGV-Roma 113883981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-29 14:31:34 ± 0.08
Latitude 43.7312 ± 0.0054
Longitude 10.6035 ± 0.0100
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 114661961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 822
Semi-minor axis of confidence ellipse (meter) 322
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 239
Circular confidence region, given by single value of horizontal uncertainty (meter) 820.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 101
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.65740
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 114661961
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-02-21 14:07:52

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 113883981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-29 14:37:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SFI.EHZ. 2023-01-29T14:32:07.60 3.0 undecidable manual S 0.01 0
IV.TRIF.CHZ. 2023-01-29T14:31:56.74 0.3 undecidable manual S 160 72.4719 50 -0.27 65
GU.EQUI.HHZ. 2023-01-29T14:31:53.26 0.3 undecidable manual S 323 60.1953 50 -0.46 64
IV.OSSC.HHE. 2023-01-29T14:31:52.57 0.6 undecidable manual S 114 56.499 50 -0.16 46
MN.VLC.HHZ. 2023-01-29T14:31:51.38 0.3 undecidable manual S 340 50.616 50 0.23 68
GU.SARM.EHN. 2023-01-29T14:31:51.95 0.6 undecidable manual S 342 52.8027 50 0.21 45
IV.TRIF.CHZ. 2023-01-29T14:31:47.89 0.6 undecidable manual P 160 72.4719 50 0.23 44
IV.FROS.CHE. 2023-01-29T14:31:47.93 0.3 undecidable manual P 142 72.9714 50 0.19 66
GU.POPM.HHZ. 2023-01-29T14:31:47.17 0.6 undecidable manual S 19 36.9297 50 -0.33 46
IV.BDI.HNZ. 2023-01-29T14:31:47.21 0.6 undecidable manual S 359 36.8298 50 -0.26 46
GU.CARD.HHZ. 2023-01-29T14:31:46.37 0.3 undecidable manual S 344 34.1436 50 -0.39 68
GU.EQUI.HHZ. 2023-01-29T14:31:46.00 0.3 undecidable manual P 323 60.1953 50 0.24 67
IV.FNVD.HHZ. 2023-01-29T14:31:46.56 0.1 undecidable manual P 40 63.7917 50 0.24 88
GU.SARM.EHN. 2023-01-29T14:31:45.09 0.1 undecidable manual P 342 52.8027 50 0.47 86
IV.OSSC.HHE. 2023-01-29T14:31:45.11 0.1 undecidable manual P 114 56.499 50 -0.08 93
IV.CRMI.HHZ. 2023-01-29T14:31:45.55 0.3 undecidable manual S 77 30.9468 50 -0.37 68
MN.VLC.HHZ. 2023-01-29T14:31:44.50 0.1 undecidable manual P 340 50.616 50 0.22 91
GU.MAIM.HHZ. 2023-01-29T14:31:42.94 0.6 undecidable manual S 336 22.0668 114 -0.31 47
GU.POPM.HHZ. 2023-01-29T14:31:42.38 0.1 undecidable manual P 19 36.9297 50 0.2 94
IV.CRMI.HHZ. 2023-01-29T14:31:41.44 0.3 undecidable manual P 77 30.9468 50 0.18 71
GU.CARD.HHZ. 2023-01-29T14:31:41.71 0.3 undecidable manual P 344 34.1436 50 -0.03 73
IV.BDI.HNZ. 2023-01-29T14:31:41.92 0.3 undecidable manual P 359 36.8298 50 -0.23 70
GU.MAIM.HHZ. 2023-01-29T14:31:39.93 0.3 undecidable manual P 336 22.0668 114 0.21 72
IV.PII.HHZ. 2023-01-29T14:31:38.46 0.3 undecidable manual S 261 6.3936 147 -0.46 70
IV.PII.HHZ. 2023-01-29T14:31:37.35 0.1 undecidable manual P 261 6.3936 147 0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PII.HHN. ML:1.9 0.0013599999999999999 0.36 AML other m 2023-01-29T14:31:38.53
IV.PII.HHE. ML:1.9 0.0014399999999999999 0.24 AML other m 2023-01-29T14:31:38.53
GU.MAIM.HHN. ML:1.3 0.000141 0.2 AML other m 2023-01-29T14:31:43.35
GU.MAIM.HHE. ML:1.3 0.000126 0.3 AML other m 2023-01-29T14:31:43.44
GU.CARD.HHN. ML:1.4 0.00010095000000000001 1.04 AML other m 2023-01-29T14:31:46.79
GU.CARD.HHE. ML:1.4 0.000094 0.14 AML other m 2023-01-29T14:31:47.68
GU.POPM.HHN. ML:1.4 0.00008609999999999999 0.28 AML other m 2023-01-29T14:31:47.77
GU.POPM.HHE. ML:1.2 0.000060950000000000004 0.22 AML other m 2023-01-29T14:31:48.45
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download