Earthquake with magnitude of ML 0.6 on date 27-11-2023 and time 03:59:37 (UTC) in region 2 km SW Lucca (LU)

A magnitude ML 0.6 earthquake occured in region: 2 km SW Lucca (LU), on

  • 27-11-2023 03:59:37 (UTC)
  • 27-11-2023 04:59:37 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.8280, 10.4860 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 2 89046 89046
Capannori LU 8 46252 135298
San Giuliano Terme PI 8 31399 166697
Vecchiano PI 9 12189 178886
Porcari LU 11 8845 187731
Calci PI 12 6426 194157
Massarosa LU 12 22471 216628
Buti PI 14 5791 222419
Pisa PI 14 89158 311577
Montecarlo LU 15 4428 316005
Altopascio LU 15 15481 331486
Vicopisano PI 16 8559 340045
Pescaglia LU 17 3526 343571
Bientina PI 17 8062 351633
Villa Basilica LU 17 1633 353266
Borgo a Mozzano LU 18 6994 360260
Cascina PI 18 45257 405517
Pescia PT 18 19644 425161
Chiesina Uzzanese PT 19 4552 429713
Uzzano PT 19 5770 435483
Calcinaia PI 19 12439 447922
Camaiore LU 19 32513 480435
Viareggio LU 19 62467 542902

Municipalities with at least 50000 inhabitants

An earthquake occurred to
2 Km SW of Lucca (89046 inhabitants)
14 Km NE of Pisa (89158 inhabitants)
19 Km E of Viareggio (62467 inhabitants)
34 Km NE of Livorno (159219 inhabitants)
36 Km SE of Massa (69479 inhabitants)
37 Km W of Pistoia (90315 inhabitants)
42 Km SE of Carrara (63133 inhabitants)
49 Km W of Prato (191150 inhabitants)
56 Km W of Scandicci (50609 inhabitants)
61 Km SE of La Spezia (93959 inhabitants)
62 Km W of Firenze (382808 inhabitants)
89 Km NW of Siena (53903 inhabitants)
98 Km S of Reggio nell'Emilia (171345 inhabitants)
98 Km SW of Modena (184973 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 0.6 2023-11-27
03:59:37
43.8278 10.4863 8 2023-11-27
04:16:57
Sala Sismica INGV-Roma 123480611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-11-27 03:59:37 ± 0.23
Latitude 43.8278 ± 0.0063
Longitude 10.4863 ± 0.0224
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 123480611

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1671
Semi-minor axis of confidence ellipse (meter) 763
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 93
Circular confidence region, given by single value of horizontal uncertainty (meter) 1670.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 160
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.08544
Epicentral distance of station farthest from the epicenter (degree) 0.41459
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 123480611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-11-27 04:16:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.POPM.HHZ. 2023-11-27T03:59:49.04 0.6 undecidable manual S 42 32.3454 104 0.34 48
IV.BDI.HHZ. 2023-11-27T03:59:47.17 0.6 undecidable manual S 18 27.4503 106 0.1 51
GU.EQUI.HHN. 2023-11-27T03:59:46.43 0.3 undecidable manual P 325 46.0206 50 0.37 69
GU.CARD.HHZ. 2023-11-27T03:59:44.57 0.3 undecidable manual S 359 21.9669 110 -0.69 65
GU.POPM.HHZ. 2023-11-27T03:59:43.71 0.1 positive manual P 42 32.3454 104 -0.11 100
IV.BDI.HHZ. 2023-11-27T03:59:42.58 0.6 undecidable manual P 18 27.4503 106 -0.29 49
IV.PII.HHZ. 2023-11-27T03:59:42.12 0.3 undecidable manual S 165 12.1767 123 -0.05 79
GU.CARD.HHZ. 2023-11-27T03:59:41.27 0.6 undecidable manual P 359 21.9669 110 -0.56 46
GU.MAIM.HHZ. 2023-11-27T03:59:41.99 0.3 undecidable manual S 3 9.4794 130 0.57 70
IV.PII.HHZ. 2023-11-27T03:59:40.00 0.3 undecidable manual P 165 12.1767 123 -0.05 79
GU.MAIM.HHZ. 2023-11-27T03:59:39.83 0.3 positive manual P 3 9.4794 130 0.22 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.MAIM.HHE. ML:0.8 0.0000858 0.12 AML other m 2023-11-27T03:59:42.24
GU.MAIM.HHN. ML:0.7 0.00007575 0.12 AML other m 2023-11-27T03:59:42.33
IV.PII.HHE. ML:0.4 0.00002920717 1.2608 AML other m 2023-11-27T03:59:39.40
IV.PII.HHN. ML:0.3 0.000027183381 0.0992 AML other m 2023-11-27T03:59:42.57
GU.CARD.HHE. ML:0.8 0.000037747115 0.1408 AML other m 2023-11-27T03:59:44.64
GU.CARD.HHN. ML:0.7 0.000037046695 0.0768 AML other m 2023-11-27T03:59:45.07
IV.BDI.HNE. ML:1.3 0.00011295848999999999 0.96 AML other m 2023-11-27T03:59:55.36
IV.BDI.HNN. ML:1.4 0.0001420074 0.5792 AML other m 2023-11-27T03:59:46.88
IV.BDI.HHE. ML:0.4 0.00001654222 1.12 AML other m 2023-11-27T03:59:58.80
IV.BDI.HHN. ML:0.4 0.0000152335005 1.0592 AML other m 2023-11-27T03:59:58.04
GU.POPM.HHE. ML:0.4 0.0000104982045 0.9184 AML other m 2023-11-27T04:00:02.16
GU.POPM.HHN. ML:0.4 0.000010956145 0.6784 AML other m 2023-11-27T03:59:59.35
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