Earthquake with magnitude of ML 1.0 on date 15-01-2024 and time 20:15:04 (UTC) in region 4 km N Vecchiano (PI)

A magnitude ML 1.0 earthquake occured in region: 4 km N Vecchiano (PI), on

  • 15-01-2024 20:15:04 (UTC)
  • 15-01-2024 21:15:04 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.8210, 10.4030 at 10 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
Vecchiano PI 5 12189 12189
San Giuliano Terme PI 7 31399 43588
Massarosa LU 7 22471 66059
Lucca LU 8 89046 155105
Pisa PI 12 89158 244263
Viareggio LU 13 62467 306730
Calci PI 14 6426 313156
Capannori LU 14 46252 359408
Camaiore LU 15 32513 391921
Pescaglia LU 16 3526 395447
Porcari LU 17 8845 404292
Buti PI 18 5791 410083
Vicopisano PI 20 8559 418642
Cascina PI 20 45257 463899

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km W of Lucca (89046 inhabitants)
12 Km N of Pisa (89158 inhabitants)
13 Km E of Viareggio (62467 inhabitants)
31 Km N of Livorno (159219 inhabitants)
32 Km SE of Massa (69479 inhabitants)
38 Km SE of Carrara (63133 inhabitants)
43 Km W of Pistoia (90315 inhabitants)
56 Km SE of La Spezia (93959 inhabitants)
56 Km W of Prato (191150 inhabitants)
63 Km W of Scandicci (50609 inhabitants)
69 Km W of Firenze (382808 inhabitants)
93 Km NW of Siena (53903 inhabitants)
99 Km S of Reggio nell'Emilia (171345 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 1.0 2024-01-15
20:15:04
43.8212 10.4027 10 2024-01-15
20:30:48
Sala Sismica INGV-Roma 124666461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-01-15 20:15:04 ± 0.31
Latitude 43.8212 ± 0.0072
Longitude 10.4027 ± 0.0299
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124666461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2364
Semi-minor axis of confidence ellipse (meter) 606
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 263
Circular confidence region, given by single value of horizontal uncertainty (meter) 2360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 238
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) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.11242
Epicentral distance of station farthest from the epicenter (degree) 0.33904
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 124666461
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-01-15 20:30:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.POPM.HHZ. 2024-01-15T20:15:17.49 0.6 undecidable manual S 49 37.629 50 0.1 47
IV.BDI.HHZ. 2024-01-15T20:15:15.41 0.6 undecidable manual S 30 30.9468 50 -0.19 47
GU.CARD.HHZ. 2024-01-15T20:15:13.08 0.6 undecidable manual S 16 23.5542 113 -0.53 44
GU.POPM.HHZ. 2024-01-15T20:15:12.11 0.1 positive manual P 49 37.629 50 0.09 95
IV.PII.HHZ. 2024-01-15T20:15:10.56 0.6 undecidable manual S 138 14.7741 125 -0.34 47
IV.BDI.HHZ. 2024-01-15T20:15:10.97 0.1 undecidable manual P 30 30.9468 50 -0.02 97
GU.MAIM.HHZ. 2024-01-15T20:15:10.49 0.6 undecidable manual S 35 12.4764 129 0.22 48
GU.CARD.HHZ. 2024-01-15T20:15:09.73 0.1 undecidable manual P 16 23.5542 113 -0.11 97
GU.MAIM.HHZ. 2024-01-15T20:15:08.29 0.1 positive manual P 35 12.4764 129 0.38 93
IV.PII.HHZ. 2024-01-15T20:15:08.31 0.1 undecidable manual P 138 14.7741 125 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.MAIM.HHE. ML:1.3 0.000222 0.12 AML other m 2024-01-15T20:15:10.76
GU.MAIM.HHN. ML:1.1 0.00013700000000000002 0.38 AML other m 2024-01-15T20:15:10.97
IV.PII.HHE. ML:0.9 0.00008109011 0.1152 AML other m 2024-01-15T20:15:11.04
IV.PII.HHN. ML:0.8 0.00006503022 0.1408 AML other m 2024-01-15T20:15:10.69
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