Earthquake with magnitude of ML 1.1 on date 09-11-2023 and time 01:21:05 (UTC) in region 2 km W Castelnuovo di Garfagnana (LU)

A magnitude ML 1.1 earthquake occured in region: 2 km W Castelnuovo di Garfagnana (LU), on

  • 09-11-2023 01:21:05 (UTC)
  • 09-11-2023 02:21:05 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1140, 10.3930 at 7 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
Castelnuovo di Garfagnana LU 2 5950 5950
Pieve Fosciana LU 3 2414 8364
Castiglione di Garfagnana LU 4 1818 10182
Molazzana LU 5 1043 11225
Fosciandora LU 5 602 11827
Villa Collemandina LU 5 1334 13161
Careggine LU 5 564 13725
Gallicano LU 7 3807 17532
Fabbriche di Vergemoli LU 7 768 18300
Camporgiano LU 7 2176 20476
San Romano in Garfagnana LU 7 1410 21886
Barga LU 9 10034 31920
Vagli Sotto LU 9 939 32859
Piazza al Serchio LU 11 2367 35226
Coreglia Antelminelli LU 12 5215 40441
Sillano Giuncugnano LU 14 1085 41526
Stazzema LU 15 3193 44719
Minucciano LU 16 2102 46821
Pescaglia LU 16 3526 50347
Seravezza LU 19 13073 63420
Borgo a Mozzano LU 19 6994 70414
Bagni di Lucca LU 20 6161 76575
Casola in Lunigiana MS 20 988 77563

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km E of Massa (69479 inhabitants)
24 Km E of Carrara (63133 inhabitants)
30 Km NE of Viareggio (62467 inhabitants)
31 Km N of Lucca (89046 inhabitants)
44 Km N of Pisa (89158 inhabitants)
45 Km E of La Spezia (93959 inhabitants)
47 Km W of Pistoia (90315 inhabitants)
62 Km W of Prato (191150 inhabitants)
63 Km N of Livorno (159219 inhabitants)
68 Km S of Reggio nell'Emilia (171345 inhabitants)
73 Km SW of Modena (184973 inhabitants)
75 Km NW of Scandicci (50609 inhabitants)
77 Km S of Parma (192836 inhabitants)
79 Km W of Firenze (382808 inhabitants)
84 Km SW of Carpi (70699 inhabitants)
87 Km W 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 1.1 2023-11-09
01:21:05
44.1138 10.3927 7 2023-11-09
04:08:58
Sala Sismica INGV-Roma 122941441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-11-09 01:21:05 ± 0.32
Latitude 44.1138 ± 0.0189
Longitude 10.3927 ± 0.0200
Depth (km) 7 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 122941441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2114
Semi-minor axis of confidence ellipse (meter) 1245
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 29
Circular confidence region, given by single value of horizontal uncertainty (meter) 2110.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 121
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.48
Epicentral distance of station closest to the epicenter (degree) 0.04587
Epicentral distance of station farthest from the epicenter (degree) 0.40290
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 122941441
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-11-09 04:08:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.EQUI.HHZ. 2023-11-09T01:21:13.06 0.6 undecidable manual S 287 19.9689 110 0.1 50
IV.PII.HHZ. 2023-11-09T01:21:13.63 0.3 undecidable manual P 166 44.7219 50 -0.76 59
GU.POPM.HHZ. 2023-11-09T01:21:11.82 0.3 undecidable manual P 105 30.0477 104 0.04 75
GU.CARD.HHZ. 2023-11-09T01:21:10.24 0.6 undecidable manual S 144 12.0768 121 -0.25 49
GU.MAIM.HHZ. 2023-11-09T01:21:10.91 0.1 undecidable manual P 160 23.6541 107 0.36 94
GU.EQUI.HHZ. 2023-11-09T01:21:09.90 0.3 undecidable manual P 287 19.9689 110 0.05 76
IV.BDI.HHZ. 2023-11-09T01:21:09.59 0.1 undecidable manual P 109 17.1717 113 0.27 97
GU.CARD.HHZ. 2023-11-09T01:21:08.25 0.1 undecidable manual P 144 12.0768 121 -0.17 100
MN.VLC.HHZ. 2023-11-09T01:21:08.10 0.1 undecidable manual P 354 5.0949 145 0.73 86
MN.VLC.HHZ. 2023-11-09T01:21:07.99 0.1 undecidable manual S 354 5.0949 145 -0.69 87
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.CARD.HHE. ML:1.1 0.000157 0.18 AML other m 2023-11-09T01:21:10.52
GU.CARD.HHN. ML:1.0 0.00013659999999999999 1.28 AML other m 2023-11-09T01:21:10.84
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