Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 05-01-2023 and time 11:30:25 (UTC) in region 1 km S Pieve Fosciana (LU)

A magnitude ML 1.4 earthquake occured in region: 1 km S Pieve Fosciana (LU), on

  • 05-01-2023 11:30:25 (UTC)
  • 05-01-2023 12:30:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1220, 10.4100 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.

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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 1 5950 8364
Castiglione di Garfagnana LU 3 1818 10182
Fosciandora LU 4 602 10784
Villa Collemandina LU 4 1334 12118
Molazzana LU 5 1043 13161
Careggine LU 7 564 13725
Gallicano LU 7 3807 17532
San Romano in Garfagnana LU 7 1410 18942
Camporgiano LU 7 2176 21118
Fabbriche di Vergemoli LU 8 768 21886
Barga LU 8 10034 31920
Vagli Sotto LU 10 939 32859
Piazza al Serchio LU 11 2367 35226
Coreglia Antelminelli LU 11 5215 40441
Sillano Giuncugnano LU 14 1085 41526
Stazzema LU 17 3193 44719
Minucciano LU 17 2102 46821
Pescaglia LU 17 3526 50347
Bagni di Lucca LU 19 6161 56508
Pievepelago MO 19 2222 58730
Borgo a Mozzano LU 19 6994 65724

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km E of Massa (69479 inhabitants)
25 Km E of Carrara (63133 inhabitants)
31 Km NE of Viareggio (62467 inhabitants)
32 Km N of Lucca (89046 inhabitants)
45 Km N of Pisa (89158 inhabitants)
46 Km W of Pistoia (90315 inhabitants)
46 Km E of La Spezia (93959 inhabitants)
61 Km W of Prato (191150 inhabitants)
64 Km N of Livorno (159219 inhabitants)
67 Km S of Reggio nell'Emilia (171345 inhabitants)
71 Km SW of Modena (184973 inhabitants)
74 Km NW of Scandicci (50609 inhabitants)
76 Km S of Parma (192836 inhabitants)
78 Km NW of Firenze (382808 inhabitants)
83 Km SW of Carpi (70699 inhabitants)
85 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 1.4 2023-01-05
11:30:25		 44.122 10.4097 9 2023-01-05
11:35:47		 Sala Sismica INGV-Roma 113325911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-05 11:30:25 ± 0.08
Latitude 44.1220 ± 0.0045
Longitude 10.4097 ± 0.0063
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 113325911

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 519
Semi-minor axis of confidence ellipse (meter) 292
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 34
Circular confidence region, given by single value of horizontal uncertainty (meter) 520.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 92
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.04137
Epicentral distance of station farthest from the epicenter (degree) 0.52341
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 113325911
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-05 11:35:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRMI.HHZ. 2023-01-05T11:30:44.42 0.6 undecidable manual S 128 58.0974 50 0.12 46
IV.PLMA.HHZ. 2023-01-05T11:30:40.44 0.3 undecidable manual S 260 45.0216 50 -0.35 67
IV.PII.HHZ. 2023-01-05T11:30:40.05 0.6 undecidable manual S 168 45.3213 50 -0.82 38
GU.GSCL.HHZ. 2023-01-05T11:30:36.11 0.6 undecidable manual S 29 29.0487 107 -0.28 46
IV.CRMI.HHZ. 2023-01-05T11:30:36.88 0.6 undecidable manual P 128 58.0974 50 0.38 43
GU.POPM.HHZ. 2023-01-05T11:30:35.94 0.3 undecidable manual S 107 28.9488 107 -0.41 68
IV.PII.HHZ. 2023-01-05T11:30:34.62 0.3 undecidable manual P 168 45.3213 50 0.1 70
GU.MAIM.HHZ. 2023-01-05T11:30:34.72 0.3 undecidable manual S 164 24.0537 110 -0.04 74
IV.PLMA.HHZ. 2023-01-05T11:30:34.88 0.6 undecidable manual P 260 45.0216 50 0.4 44
GU.EQUI.HHZ. 2023-01-05T11:30:33.54 0.3 undecidable manual S 284 20.9679 113 -0.23 71
IV.BDI.HHZ. 2023-01-05T11:30:32.00 0.3 undecidable manual S 114 16.1727 119 -0.26 72
GU.GSCL.HHZ. 2023-01-05T11:30:32.28 0.3 undecidable manual P 29 29.0487 107 0.35 69
GU.POPM.HHZ. 2023-01-05T11:30:31.99 0.3 undecidable manual P 107 28.9488 107 0.08 73
GU.MAIM.HHZ. 2023-01-05T11:30:31.05 0.6 undecidable manual P 164 24.0537 110 0.06 49
GU.CARD.HHZ. 2023-01-05T11:30:31.12 0.3 undecidable manual S 151 12.0768 126 0.06 75
GU.EQUI.HHZ. 2023-01-05T11:30:30.57 0.3 undecidable manual P 284 20.9679 113 0.15 73
GU.CARD.HHZ. 2023-01-05T11:30:29.29 0.3 undecidable manual P 151 12.0768 126 0.43 69
IV.BDI.HHZ. 2023-01-05T11:30:29.66 0.1 positive manual P 114 16.1727 119 0.11 98
MN.VLC.HHZ. 2023-01-05T11:30:29.21 0.3 undecidable manual S 336 4.5954 153 -0.11 75
GU.SARM.EHZ. 2023-01-05T11:30:29.40 0.3 undecidable manual S 354 6.8931 142 -0.37 71
MN.VLC.HHZ. 2023-01-05T11:30:28.08 0.1 positive manual P 336 4.5954 153 0.23 98
GU.SARM.EHZ. 2023-01-05T11:30:28.22 0.1 undecidable manual P 354 6.8931 142 0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.VLC.HHE. ML:1.5 0.00055 0.4 AML other m 2023-01-05T11:30:29.39
MN.VLC.HNE. ML:1.4 0.0005245 0.4 AML other m 2023-01-05T11:30:29.39
MN.VLC.HHN. ML:1.5 0.0006374999999999999 0.34 AML other m 2023-01-05T11:30:29.26
MN.VLC.HNN. ML:1.5 0.0006055 0.34 AML other m 2023-01-05T11:30:29.26
GU.CARD.HHE. ML:1.4 0.0002945 0.62 AML other m 2023-01-05T11:30:31.72
GU.CARD.HHN. ML:1.5 0.00036150000000000006 0.36 AML other m 2023-01-05T11:30:31.73
IV.BDI.HHE. ML:1.4 0.0002305 1.12 AML other m 2023-01-05T11:30:32.70
IV.BDI.HHN. ML:1.5 0.000286 0.32 AML other m 2023-01-05T11:30:32.18
IV.BDI.HNN. ML:1.6 0.00034250000000000003 0.36 AML other m 2023-01-05T11:30:32.19
IV.BDI.HNE. ML:1.4 0.00023249999999999999 0.96 AML other m 2023-01-05T11:30:33.22
GU.MAIM.HHN. ML:1.1 0.00008044999999999999 1.62 AML other m 2023-01-05T11:30:35.99
GU.MAIM.HHE. ML:1.0 0.00006720000000000001 0.36 AML other m 2023-01-05T11:30:35.85
GU.POPM.HHN. ML:1.8 0.00033099999999999997 0.16 AML other m 2023-01-05T11:30:36.35
GU.POPM.HHE. ML:1.6 0.0002255 1.58 AML other m 2023-01-05T11:30:36.91
IV.PLMA.HHN. ML:1.2 0.000043049999999999996 0.38 AML other m 2023-01-05T11:30:40.61
IV.PLMA.HHE. ML:1.2 0.000048100000000000004 1.76 AML other m 2023-01-05T11:30:40.09
IV.PII.HHN. ML:1.3 0.000058450000000000005 0.18 AML other m 2023-01-05T11:30:41.19
IV.PII.HHE. ML:1.4 0.00007855000000000001 0.28 AML other m 2023-01-05T11:30:41.37
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