Earthquake with magnitude of ML 1.3 on date 29-10-2023 and time 11:08:39 (UTC) in region 6 km N Lucca (LU)

A magnitude ML 1.3 earthquake occured in region: 6 km N Lucca (LU), on

  • 29-10-2023 11:08:39 (UTC)
  • 29-10-2023 12:08:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.9000, 10.5220 at 9 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Lucca LU 6 89046 89046
Capannori LU 7 46252 135298
Borgo a Mozzano LU 9 6994 142292
Porcari LU 10 8845 151137
Villa Basilica LU 10 1633 152770
Pescaglia LU 12 3526 156296
Montecarlo LU 13 4428 160724
Pescia PT 13 19644 180368
Bagni di Lucca LU 14 6161 186529
Massarosa LU 15 22471 209000
Uzzano PT 15 5770 214770
Altopascio LU 15 15481 230251
San Giuliano Terme PI 16 31399 261650
Buggiano PT 17 8825 270475
Vecchiano PI 17 12189 282664
Chiesina Uzzanese PT 17 4552 287216
Camaiore LU 18 32513 319729
Massa e Cozzile PT 18 7983 327712
Coreglia Antelminelli LU 19 5215 332927
Calci PI 19 6426 339353
Ponte Buggianese PT 19 8804 348157
Gallicano LU 19 3807 351964
Barga LU 20 10034 361998
Buti PI 20 5791 367789

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km N of Lucca (89046 inhabitants)
22 Km E of Viareggio (62467 inhabitants)
23 Km NE of Pisa (89158 inhabitants)
32 Km W of Pistoia (90315 inhabitants)
34 Km E of Massa (69479 inhabitants)
39 Km SE of Carrara (63133 inhabitants)
42 Km NE of Livorno (159219 inhabitants)
46 Km W of Prato (191150 inhabitants)
55 Km W of Scandicci (50609 inhabitants)
60 Km E of La Spezia (93959 inhabitants)
61 Km W of Firenze (382808 inhabitants)
89 Km SW of Modena (184973 inhabitants)
89 Km S of Reggio nell'Emilia (171345 inhabitants)
92 Km NW of Siena (53903 inhabitants)
93 Km SW of Bologna (386663 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
Reviewed
Rev100
ML 1.3 2023-10-29
11:08:39
43.8995 10.5222 9 2023-10-29
11:23:36
Sala Sismica INGV-Roma 122542321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-29 11:08:39 ± 0.22
Latitude 43.8995 ± 0.0063
Longitude 10.5222 ± 0.0200
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 122542321

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1532
Semi-minor axis of confidence ellipse (meter) 591
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 279
Circular confidence region, given by single value of horizontal uncertainty (meter) 1530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 123
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.02343
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 122542321
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-29 11:23:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
AC.VLO.HHZ. 2023-10-29T11:10:26.97 3.0 undecidable manual Pn 4.94 0
IV.LADO.EHZ. 2023-10-29T11:10:23.64 3.0 positive manual Pg 14.37 0
IV.SERS.HHZ. 2023-10-29T11:10:20.39 3.0 positive manual Pg 10.98 0
IV.CROCE.HHZ. 2023-10-29T11:10:15.28 3.0 undecidable manual Pn -6.24 0
IV.SPS2.HHZ. 2023-10-29T11:10:10.08 3.0 negative manual Pn 5.8 0
CH.FUORN.HHZ. 2023-10-29T11:10:08.65 3.0 undecidable manual Sg 4.32 0
IV.ALJA.HHZ. 2023-10-29T11:10:05.54 3.0 undecidable manual Pn -1.06 0
SI.BOSI.HHZ. 2023-10-29T11:10:05.67 3.0 undecidable manual Sg 3.25 0
IV.CMPR.HHZ. 2023-10-29T11:09:48.40 3.0 undecidable manual Pn 1.83 0
IV.MONC.HHZ. 2023-10-29T11:09:44.21 3.0 undecidable manual Sn -3.08 0
IV.MNTT.EHZ. 2023-10-29T11:09:39.22 3.0 undecidable manual Sn -3.71 0
IV.PTRJ.HHZ. 2023-10-29T11:09:39.22 3.0 undecidable manual Pg 8.06 0
IV.GUMA.HHZ. 2023-10-29T11:09:36.87 3.0 undecidable manual Sn -1.49 0
GU.IMI.HHZ. 2023-10-29T11:09:29.56 3.0 undecidable manual Sg -5.43 0
IV.LRP.EHZ. 2023-10-29T11:09:26.68 3.0 undecidable manual Pg 5.58 0
ST.CARE.HNZ. 2023-10-29T11:09:26.46 3.0 positive manual Pg 4.59 0
IV.MONC.HHZ. 2023-10-29T11:09:18.83 3.0 undecidable manual Pg 3.82 0
IV.NRCA.HHZ. 2023-10-29T11:09:13.11 3.0 positive manual Pg 4.41 0
IV.CRMI.HHZ. 2023-10-29T11:08:52.45 0.3 undecidable manual S 107 38.3283 50 -0.36 68
IV.TRIF.CHZ. 2023-10-29T11:08:50.18 3.0 undecidable manual S -1.19 0
GU.POPM.HHZ. 2023-10-29T11:08:48.72 0.6 undecidable manual S 49 24.753 110 0.02 49
IV.CRMI.HHZ. 2023-10-29T11:08:47.70 1.0 positive manual P 107 38.3283 50 0.48 22
IV.PII.HHZ. 2023-10-29T11:08:46.73 0.3 undecidable manual S 179 19.6692 114 -0.35 70
GU.POPM.HHZ. 2023-10-29T11:08:45.12 0.3 undecidable manual P 49 24.753 110 0.27 71
GU.CARD.HHZ. 2023-10-29T11:08:44.94 0.6 undecidable manual S 347 14.3745 121 -0.5 46
IV.PII.HHZ. 2023-10-29T11:08:44.26 0.1 undecidable manual P 179 19.6692 114 0.35 93
IV.RIBO.EHZ.01 2023-10-29T11:08:44.34 0.6 positive manual P 113.5974 -9.99 0
GU.CARD.HHZ. 2023-10-29T11:08:43.03 0.1 negative manual P 347 14.3745 121 0.06 100
GU.MAIM.HHZ. 2023-10-29T11:08:42.58 0.6 undecidable manual S 302 2.8971 162 -0.22 49
GU.MAIM.HHZ. 2023-10-29T11:08:41.69 0.6 undecidable manual P 302 2.8971 162 0.25 49
IV.TRIF.CHZ. 2023-10-29T11:08:38.71 3.0 positive manual Pn -4.88 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.CARD.HHE. ML:1.0 0.000113 0.14 AML other m 2023-10-29T11:08:45.05
GU.CARD.HHN. ML:1.1 0.000136 0.28 AML other m 2023-10-29T11:08:45.14
IV.PII.HHE. ML:1.2 0.0001365 0.42 AML other m 2023-10-29T11:08:46.62
IV.PII.HHN. ML:1.0 0.00008315 0.84 AML other m 2023-10-29T11:08:48.62
IV.TRIF.CHE. ML:1.6 0.0000504 0.6 AML other m 2023-10-29T11:08:54.50
IV.TRIF.CHN. ML:1.6 0.00004945 1.52 AML other m 2023-10-29T11:08:57.86
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