Earthquake with magnitude of ML 1.2 on date 04-12-2023 and time 09:38:03 (UTC) in region 1 km SE Pieve Fosciana (LU)

A magnitude ML 1.2 earthquake occured in region: 1 km SE Pieve Fosciana (LU), on

  • 04-12-2023 09:38:03 (UTC)
  • 04-12-2023 10:38:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1270, 10.4210 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
Pieve Fosciana LU 1 2414 2414
Castelnuovo di Garfagnana LU 2 5950 8364
Castiglione di Garfagnana LU 3 1818 10182
Fosciandora LU 3 602 10784
Villa Collemandina LU 4 1334 12118
Molazzana LU 6 1043 13161
Gallicano LU 7 3807 16968
San Romano in Garfagnana LU 8 1410 18378
Careggine LU 8 564 18942
Barga LU 8 10034 28976
Camporgiano LU 8 2176 31152
Fabbriche di Vergemoli LU 9 768 31920
Coreglia Antelminelli LU 11 5215 37135
Vagli Sotto LU 11 939 38074
Piazza al Serchio LU 12 2367 40441
Sillano Giuncugnano LU 14 1085 41526
Stazzema LU 17 3193 44719
Pescaglia LU 18 3526 48245
Minucciano LU 18 2102 50347
Pievepelago MO 18 2222 52569
Bagni di Lucca LU 19 6161 58730
Borgo a Mozzano LU 19 6994 65724
Fiumalbo MO 19 1280 67004
Abetone PT 20 621 67625

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km E of Massa (69479 inhabitants)
26 Km E of Carrara (63133 inhabitants)
32 Km NE of Viareggio (62467 inhabitants)
32 Km N of Lucca (89046 inhabitants)
45 Km W of Pistoia (90315 inhabitants)
46 Km N of Pisa (89158 inhabitants)
47 Km E of La Spezia (93959 inhabitants)
61 Km W of Prato (191150 inhabitants)
64 Km N of Livorno (159219 inhabitants)
66 Km S of Reggio nell'Emilia (171345 inhabitants)
70 Km SW of Modena (184973 inhabitants)
73 Km NW of Scandicci (50609 inhabitants)
75 Km S of Parma (192836 inhabitants)
78 Km NW of Firenze (382808 inhabitants)
82 Km SW of Carpi (70699 inhabitants)
84 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 1.2 2023-12-04
09:38:03
44.1268 10.4212 9 2023-12-04
09:47:27
Sala Sismica INGV-Roma 123802181
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-04 09:38:03 ± 0.12
Latitude 44.1268 ± 0.0045
Longitude 10.4212 ± 0.0075
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 123802181

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 512
Semi-minor axis of confidence ellipse (meter) 500
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 46
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 115
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.04047
Epicentral distance of station farthest from the epicenter (degree) 0.38311
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 123802181
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-04 09:47:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PSL.EHE. 2023-12-04T09:38:18.11 0.6 undecidable manual S 108 42.5241 50 0.03 48
IV.ERBM.EHN. 2023-12-04T09:38:15.70 0.6 undecidable manual S 359 32.4453 105 0.34 46
GU.GSCL.HHN. 2023-12-04T09:38:13.97 0.6 undecidable manual S 28 28.1496 107 0.06 49
GU.POPM.HHZ. 2023-12-04T09:38:13.63 0.6 undecidable manual S 109 28.2495 107 -0.32 47
GU.MAIM.HHZ. 2023-12-04T09:38:12.43 0.3 undecidable manual S 167 24.3534 109 -0.24 72
GU.EQUI.HHZ. 2023-12-04T09:38:11.36 0.6 undecidable manual S 282 21.7671 111 -0.46 46
IV.PSL.EHE. 2023-12-04T09:38:11.96 0.1 undecidable manual P 108 42.5241 50 -0.05 97
IV.ERBM.EHN. 2023-12-04T09:38:10.86 0.1 undecidable manual P 359 32.4453 105 0.43 91
IV.BDI.HNE. 2023-12-04T09:38:09.76 0.6 undecidable manual S 117 15.5733 119 -0.12 50
GU.POPM.HHZ. 2023-12-04T09:38:09.68 0.1 undecidable manual P 109 28.2495 107 0.06 99
GU.CARD.HHZ. 2023-12-04T09:38:08.91 0.3 undecidable manual S 156 12.1767 125 0.04 76
GU.EQUI.HHZ. 2023-12-04T09:38:08.30 0.1 undecidable manual P 282 21.7671 111 -0.09 99
GU.GSCL.HHN. 2023-12-04T09:38:08.70 0.1 undecidable manual P 28 28.1496 107 -0.9 76
GU.MAIM.HHZ. 2023-12-04T09:38:08.91 0.6 undecidable manual P 167 24.3534 109 0.03 50
MN.VLC.HNZ. 2023-12-04T09:38:07.01 0.6 undecidable manual S 323 4.4955 152 -0.05 52
IV.BDI.HNE. 2023-12-04T09:38:07.43 0.1 undecidable manual P 117 15.5733 119 0.16 99
GU.SARM.EHZ. 2023-12-04T09:38:07.18 0.3 undecidable manual S 346 6.4935 142 -0.25 74
GU.CARD.HHZ. 2023-12-04T09:38:07.08 0.1 undecidable manual P 156 12.1767 125 0.39 95
GU.SARM.EHZ. 2023-12-04T09:38:06.04 0.1 undecidable manual P 346 6.4935 142 0.18 100
MN.VLC.HNZ. 2023-12-04T09:38:05.89 0.1 undecidable manual P 323 4.4955 152 0.25 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.MAIM.HHN. ML:1.0 0.000059300000000000005 1.48 AML other m 2023-12-04T09:38:12.99
GU.MAIM.HHE. ML:1.0 0.0000703 0.44 AML other m 2023-12-04T09:38:13.68
GU.CARD.HHE. ML:1.2 0.00018891475 0.1216 AML other m 2023-12-04T09:38:09.18
GU.CARD.HHN. ML:1.3 0.00023211735 0.1408 AML other m 2023-12-04T09:38:09.54
GU.POPM.HHE. ML:1.6 0.00019113274999999998 0.1408 AML other m 2023-12-04T09:38:14.71
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