Earthquake with magnitude of ML 0.8 on date 20-11-2022 and time 22:13:18 (UTC) in region 3 km SW Villa Basilica (LU)

A magnitude ML 0.8 earthquake occured in region: 3 km SW Villa Basilica (LU), on

  • 20-11-2022 22:13:18 (UTC)
  • 20-11-2022 23:13:18 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.9120, 10.6110 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
Villa Basilica LU 3 1633 1633
Pescia PT 6 19644 21277
Capannori LU 7 46252 67529
Porcari LU 8 8845 76374
Montecarlo LU 8 4428 80802
Uzzano PT 9 5770 86572
Borgo a Mozzano LU 9 6994 93566
Buggiano PT 10 8825 102391
Massa e Cozzile PT 11 7983 110374
Bagni di Lucca LU 11 6161 116535
Lucca LU 11 89046 205581
Altopascio LU 12 15481 221062
Chiesina Uzzanese PT 12 4552 225614
Marliana PT 13 3210 228824
Ponte Buggianese PT 13 8804 237628
Montecatini-Terme PT 13 20409 258037
Pieve a Nievole PT 15 9266 267303
Monsummano Terme PT 17 21338 288641
Pescaglia LU 17 3526 292167
Serravalle Pistoiese PT 18 11659 303826
Piteglio PT 18 1683 305509
Coreglia Antelminelli LU 18 5215 310724

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km NE of Lucca (89046 inhabitants)
25 Km W of Pistoia (90315 inhabitants)
27 Km NE of Pisa (89158 inhabitants)
29 Km E of Viareggio (62467 inhabitants)
39 Km W of Prato (191150 inhabitants)
40 Km E of Massa (69479 inhabitants)
45 Km E of Carrara (63133 inhabitants)
47 Km NE of Livorno (159219 inhabitants)
49 Km W of Scandicci (50609 inhabitants)
54 Km W of Firenze (382808 inhabitants)
66 Km E of La Spezia (93959 inhabitants)
86 Km SW of Modena (184973 inhabitants)
87 Km SW of Bologna (386663 inhabitants)
88 Km S of Reggio nell'Emilia (171345 inhabitants)
88 Km NW of Siena (53903 inhabitants)
99 Km S 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 0.8 2022-11-20
22:13:18
43.9117 10.6108 9 2022-11-20
22:30:33
Sala Sismica INGV-Roma 112041521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-11-20 22:13:18 ± 0.13
Latitude 43.9117 ± 0.0054
Longitude 10.6108 ± 0.0087
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 112041521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 569
Semi-minor axis of confidence ellipse (meter) 540
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 296
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 85
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.08544
Epicentral distance of station farthest from the epicenter (degree) 0.34804
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:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 112041521
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-11-20 22:30:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MPPT.EHE. 2022-11-20T22:13:26.18 0.3 undecidable manual P 82 38.628 50 -0.19 72
IV.CRMI.HHZ. 2022-11-20T22:13:25.39 0.1 undecidable manual P 113 32.1456 105 0.03 100
IV.BDI.HHZ. 2022-11-20T22:13:25.00 0.6 undecidable manual S 356 16.872 117 -0.25 49
GU.POPM.HHZ. 2022-11-20T22:13:25.67 0.6 undecidable manual S 38 18.87 115 -0.21 49
GU.CARD.HHZ. 2022-11-20T22:13:24.80 0.6 undecidable manual S 321 16.3725 118 -0.31 48
GU.POPM.HHZ. 2022-11-20T22:13:23.05 0.1 undecidable manual P 38 18.87 115 0.2 99
IV.PII.HHZ. 2022-11-20T22:13:23.30 0.1 undecidable manual P 198 22.1556 111 -0.15 99
IV.BDI.HHZ. 2022-11-20T22:13:22.64 0.1 undecidable manual P 356 16.872 117 0.16 100
GU.MAIM.HHZ. 2022-11-20T22:13:22.90 0.6 undecidable manual S 271 9.4794 132 -0.26 50
GU.CARD.HHZ. 2022-11-20T22:13:22.55 0.1 undecidable manual P 321 16.3725 118 0.16 100
GU.MAIM.HHZ. 2022-11-20T22:13:21.54 0.1 undecidable manual P 271 9.4794 132 0.27 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.POPM.HHE. ML:1.1 0.00009559999999999999 0.14 AML other m 2022-11-20T22:13:26.39
GU.POPM.HHN. ML:0.9 0.000065526995 0.128 AML other m 2022-11-20T22:13:26.75
GU.MAIM.HHE. ML:0.5 0.000046952204999999994 0.0768 AML other m 2022-11-20T22:13:23.30
GU.MAIM.HHN. ML:0.7 0.00006786054 0.1664 AML other m 2022-11-20T22:13:23.17
GU.CARD.HHE. ML:0.5 0.00002992384 0.1664 AML other m 2022-11-20T22:13:25.32
GU.CARD.HHN. ML:0.4 0.00002380585 0.1664 AML other m 2022-11-20T22:13:26.52
IV.BDI.HHE. ML:0.5 0.000028485605 1.3056 AML other m 2022-11-20T22:13:39.78
IV.BDI.HHN. ML:0.2 0.00001711957 0.9344 AML other m 2022-11-20T22:13:39.25
IV.BDI.HNE. ML:1.1 0.00012640172 0.7552 AML other m 2022-11-20T22:13:28.42
IV.BDI.HNN. ML:1.2 0.00014661205 0.576 AML other m 2022-11-20T22:13:26.27
IV.CRMI.HHE. ML:0.8 0.00002875663 2.88 AML other m 2022-11-20T22:13:57.59
IV.CRMI.HHN. ML:1.0 0.00004809887 3.7888 AML other m 2022-11-20T22:14:00.60
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