Earthquake with magnitude of ML 0.4 on date 03-02-2024 and time 12:58:26 (Italy) in region 4 km SE Lucca (LU)

A magnitude ML 0.4 earthquake occured in region: 4 km SE Lucca (LU), on

  • 03-02-2024 11:58:26 (UTC)
  • 03-02-2024 12:58:26 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.8160, 10.5410 at 8 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 5 89046 89046
Capannori LU 5 46252 135298
Porcari LU 7 8845 144143
San Giuliano Terme PI 10 31399 175542
Calci PI 10 6426 181968
Buti PI 11 5791 187759
Altopascio LU 11 15481 203240
Montecarlo LU 11 4428 207668
Vecchiano PI 13 12189 219857
Vicopisano PI 13 8559 228416
Bientina PI 13 8062 236478
Chiesina Uzzanese PT 15 4552 241030
Villa Basilica LU 15 1633 242663
Pescia PT 15 19644 262307
Cascina PI 15 45257 307564
Uzzano PT 16 5770 313334
Pisa PI 16 89158 402492
Calcinaia PI 16 12439 414931
Buggiano PT 17 8825 423756
Massarosa LU 17 22471 446227
Ponte Buggianese PT 17 8804 455031
Santa Maria a Monte PI 18 13253 468284
Borgo a Mozzano LU 18 6994 475278
Pontedera PI 19 29223 504501
Massa e Cozzile PT 20 7983 512484
Pescaglia LU 20 3526 516010

Municipalities with at least 50000 inhabitants

An earthquake occurred to
5 Km SE of Lucca (89046 inhabitants)
16 Km NE of Pisa (89158 inhabitants)
24 Km E of Viareggio (62467 inhabitants)
33 Km W of Pistoia (90315 inhabitants)
35 Km NE of Livorno (159219 inhabitants)
40 Km SE of Massa (69479 inhabitants)
45 Km W of Prato (191150 inhabitants)
46 Km SE of Carrara (63133 inhabitants)
52 Km W of Scandicci (50609 inhabitants)
58 Km W of Firenze (382808 inhabitants)
66 Km E of La Spezia (93959 inhabitants)
84 Km NW of Siena (53903 inhabitants)
97 Km SW of Modena (184973 inhabitants)
98 Km S of Reggio nell'Emilia (171345 inhabitants)
99 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 0.4 2024-02-03
11:58:26
43.816 10.5407 8 2024-02-03
12:02:29
Sala Sismica INGV-Roma 125008841
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-02-03 11:58:26 ± 0.27
Latitude 43.8160 ± 0.0036
Longitude 10.5407 ± 0.0287
Depth (km) 8 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 125008841

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2036
Semi-minor axis of confidence ellipse (meter) 1037
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 265
Circular confidence region, given by single value of horizontal uncertainty (meter) 2040.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 178
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.09443
Epicentral distance of station farthest from the epicenter (degree) 0.25001
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 125008841
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-02-03 12:02:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BDI.HHZ. 2024-02-03T11:58:36.47 0.6 undecidable manual S 9 27.75 106 0 49
GU.CARD.HHZ. 2024-02-03T11:58:34.78 0.6 undecidable manual S 349 23.754 109 -0.38 45
IV.BDI.HHZ. 2024-02-03T11:58:32.35 1.0 positive manual P 9 27.75 106 0.12 24
GU.CARD.HHZ. 2024-02-03T11:58:31.41 0.6 undecidable manual P 349 23.754 109 -0.07 48
GU.MAIM.HHZ. 2024-02-03T11:58:31.46 0.6 undecidable manual S 340 11.4774 125 0.14 49
IV.PII.HHZ. 2024-02-03T11:58:30.92 0.6 undecidable manual S 187 10.4784 128 -0.14 49
IV.PII.HHZ. 2024-02-03T11:58:29.13 0.1 undecidable manual P 187 10.4784 128 0.02 100
GU.MAIM.HHZ. 2024-02-03T11:58:29.41 0.1 negative manual P 340 11.4774 125 0.15 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PII.HHN. ML:0.4 0.000036355 0.3 AML other m 2024-02-03T11:58:31.19
IV.PII.HHE. ML:0.6 0.000049050000000000006 0.26 AML other m 2024-02-03T11:58:31.50
GU.MAIM.HHN. ML:0.5 0.000037699999999999995 0.12 AML other m 2024-02-03T11:58:31.66
GU.MAIM.HHE. ML:0.3 0.0000259 0.24 AML other m 2024-02-03T11:58:31.64
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