Earthquake with magnitude of ML 1.3 on date 21-11-2023 and time 09:23:09 (UTC) in region 3 km SW Borgo a Mozzano (LU)

A magnitude ML 1.3 earthquake occured in region: 3 km SW Borgo a Mozzano (LU), on

  • 21-11-2023 09:23:09 (UTC)
  • 21-11-2023 10:23:09 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.9540, 10.5280 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
Borgo a Mozzano LU 3 6994 6994
Bagni di Lucca LU 8 6161 13155
Pescaglia LU 9 3526 16681
Villa Basilica LU 10 1633 18314
Lucca LU 12 89046 107360
Capannori LU 12 46252 153612
Coreglia Antelminelli LU 12 5215 158827
Barga LU 14 10034 168861
Pescia PT 14 19644 188505
Gallicano LU 14 3807 192312
Porcari LU 15 8845 201157
Molazzana LU 16 1043 202200
Fabbriche di Vergemoli LU 16 768 202968
Montecarlo LU 16 4428 207396
Uzzano PT 17 5770 213166
Massarosa LU 18 22471 235637
Camaiore LU 18 32513 268150
Buggiano PT 18 8825 276975
Massa e Cozzile PT 18 7983 284958
Fosciandora LU 19 602 285560
Stazzema LU 19 3193 288753
Altopascio LU 19 15481 304234
Marliana PT 20 3210 307444
Castelnuovo di Garfagnana LU 20 5950 313394
Chiesina Uzzanese PT 20 4552 317946

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km N of Lucca (89046 inhabitants)
24 Km E of Viareggio (62467 inhabitants)
28 Km NE of Pisa (89158 inhabitants)
31 Km W of Pistoia (90315 inhabitants)
32 Km E of Massa (69479 inhabitants)
37 Km E of Carrara (63133 inhabitants)
46 Km W of Prato (191150 inhabitants)
48 Km NE of Livorno (159219 inhabitants)
57 Km W of Scandicci (50609 inhabitants)
59 Km E of La Spezia (93959 inhabitants)
62 Km W of Firenze (382808 inhabitants)
83 Km S of Reggio nell'Emilia (171345 inhabitants)
83 Km SW of Modena (184973 inhabitants)
89 Km SW of Bologna (386663 inhabitants)
96 Km S of Parma (192836 inhabitants)
96 Km NW of Siena (53903 inhabitants)
97 Km SW of Carpi (70699 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 2023-11-21
09:23:09
43.9538 10.5283 9 2023-11-21
09:34:07
Sala Sismica INGV-Roma 123303781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-11-21 09:23:09 ± 0.12
Latitude 43.9538 ± 0.0072
Longitude 10.5283 ± 0.0137
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 123303781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1105
Semi-minor axis of confidence ellipse (meter) 744
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 248
Circular confidence region, given by single value of horizontal uncertainty (meter) 1100.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 95
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 15
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.36153
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 123303781
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-11-21 09:34:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ECTS.HHZ. 2023-11-21T09:24:47.15 3.0 undecidable manual Pn 0.86 0
MN.TRI.HHZ. 2023-11-21T09:24:44.74 3.0 undecidable manual Sg 5.24 0
IV.ERC.EHZ. 2023-11-21T09:24:29.34 3.0 undecidable manual Pn -1.96 0
IV.ARRO.EHZ. 2023-11-21T09:24:28.46 3.0 undecidable manual Sg 9.52 0
OX.AGOR.HHZ. 2023-11-21T09:24:26.64 3.0 undecidable manual Sg 0.8 0
IV.GUMA.HHZ. 2023-11-21T09:24:21.99 3.0 undecidable manual Sn -1.9 0
IV.MCRV.HHZ. 2023-11-21T09:24:19.43 3.0 undecidable manual Pn 2.06 0
ST.CARE.HNZ. 2023-11-21T09:24:16.08 3.0 undecidable manual Sg -1.27 0
IV.VAGA.HHZ. 2023-11-21T09:24:08.30 3.0 positive manual Pn 3.92 0
GU.CIRO.HHZ. 2023-11-21T09:24:02.32 3.0 undecidable manual Sg -1.08 0
IV.CAMP.HHZ. 2023-11-21T09:23:56.51 3.0 undecidable manual Pg 7.3 0
SI.BOSI.HHZ. 2023-11-21T09:23:49.42 3.0 undecidable manual Pg 3.85 0
IV.FDMO.HHZ. 2023-11-21T09:23:49.95 3.0 negative manual Pg 6.32 0
IV.PSL.EHE. 2023-11-21T09:23:21.67 0.3 undecidable manual S 79 32.5452 50 0.39 66
GU.SARM.EHE. 2023-11-21T09:23:20.12 0.3 undecidable manual S 338 27.4503 108 0.46 69
IV.PII.HHZ. 2023-11-21T09:23:19.12 0.6 undecidable manual S 181 25.752 109 0.04 49
IV.CRMI.HHE. 2023-11-21T09:23:17.07 0.1 undecidable manual P 116 40.1265 50 -0.47 89
IV.PSL.EHE. 2023-11-21T09:23:16.25 0.1 undecidable manual P 79 32.5452 50 -0.11 97
GU.SARM.EHE. 2023-11-21T09:23:16.25 0.1 undecidable manual P 338 27.4503 108 0.82 80
GU.EQUI.HHE. 2023-11-21T09:23:16.63 0.1 undecidable manual P 308 38.0286 50 -0.59 88
IV.PII.HHZ. 2023-11-21T09:23:15.36 1.0 negative manual P 181 25.752 109 0.26 23
MN.VLC.HHE. 2023-11-21T09:23:15.02 0.1 undecidable manual P 334 25.4523 109 -0.03 97
IV.BDI.HHZ. 2023-11-21T09:23:14.92 0.6 undecidable manual S 24 13.2756 124 -0.25 45
GU.MAIM.HHZ. 2023-11-21T09:23:13.37 0.6 undecidable manual S 213 5.3946 149 0.13 51
GU.CARD.HHZ. 2023-11-21T09:23:13.75 0.6 undecidable manual S 335 8.7801 135 -0.23 46
GU.CARD.HHZ. 2023-11-21T09:23:12.13 1.0 negative manual P 335 8.7801 135 -0.02 25
IV.BDI.HHZ. 2023-11-21T09:23:12.90 0.6 undecidable manual P 24 13.2756 124 0.06 50
GU.MAIM.HHZ. 2023-11-21T09:23:11.91 0.1 positive manual P 213 5.3946 149 0.19 100
GU.GORR.HHZ. 2023-11-21T09:23:06.73 3.0 undecidable manual P -6.5 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.MAIM.HHE. ML:1.6 0.0006770000000000001 1.1 AML other m 2023-11-21T09:23:14.40
GU.CARD.HHN. ML:1.2 0.000265 0.44 AML other m 2023-11-21T09:23:14.91
GU.CARD.HHE. ML:1.3 0.0003025 0.52 AML other m 2023-11-21T09:23:14.74
GU.MAIM.HHN. ML:1.3 0.000345 1.32 AML other m 2023-11-21T09:23:15.74
IV.BDI.HHE. ML:1.3 0.000231 1.64 AML other m 2023-11-21T09:23:17.87
IV.BDI.HHN. ML:1.4 0.00027049999999999996 1.08 AML other m 2023-11-21T09:23:18.73
IV.PII.HHN. ML:1.0 0.000067 1.38 AML other m 2023-11-21T09:23:20.28
IV.PII.HHE. ML:1.2 0.00009315 0.42 AML other m 2023-11-21T09:23:22.38
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