Earthquake with magnitude of ML 1.4 on date 06-02-2022 and time 12:48:36 (UTC) in region 8 km S Viareggio (LU)

A magnitude ML 1.4 earthquake occured in region: 8 km S Viareggio (LU), on

  • 06-02-2022 12:48:36 (UTC)
  • 06-02-2022 13:48:36 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.8020, 10.2760 at 8 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Viareggio LU 8 62467 62467
Vecchiano PI 9 12189 74656
Massarosa LU 9 22471 97127
Pisa PI 14 89158 186285
San Giuliano Terme PI 14 31399 217684
Camaiore LU 16 32513 250197
Pietrasanta LU 18 24007 274204
Lucca LU 19 89046 363250
Forte dei Marmi LU 20 7510 370760

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km S of Viareggio (62467 inhabitants)
14 Km NW of Pisa (89158 inhabitants)
19 Km W of Lucca (89046 inhabitants)
28 Km N of Livorno (159219 inhabitants)
28 Km SE of Massa (69479 inhabitants)
34 Km SE of Carrara (63133 inhabitants)
49 Km SE of La Spezia (93959 inhabitants)
54 Km W of Pistoia (90315 inhabitants)
67 Km W of Prato (191150 inhabitants)
73 Km W of Scandicci (50609 inhabitants)
79 Km W of Firenze (382808 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
Bulletin
Rev1000
ML 1.4 2022-02-06
12:48:36
43.8018 10.2757 8 2022-07-08
12:33:51
Bollettino Sismico Italiano INGV 103949311
Reviewed
Rev100
ML 1.6 2022-02-06
12:48:36
43.8038 10.2648 8 2022-02-06
12:56:08
Sala Sismica INGV-Roma 100659781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-02-06 12:48:36 ± 0.18
Latitude 43.8018 ± 0.0081
Longitude 10.2757 ± 0.0100
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 103949311

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 923
Semi-minor axis of confidence ellipse (meter) 622
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 45
Circular confidence region, given by single value of horizontal uncertainty (meter) 920.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 195
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.59265
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 103949311
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-04-29 15:51:48

ML:1.6

Field Value
Value 1.6
Uncertainty 0.5
Num. used stations 22
Type of magnitude ML
Reference to an origin 100659781
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-02-06 12:56:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LRP.EHZ. 2022-02-06T12:50:28.45 3.0 undecidable manual Sg 3.94 0
MN.PDG.HNZ. 2022-02-06T12:50:18.53 3.0 positive manual Pn 2.64 0
IV.ESCV.HHZ. 2022-02-06T12:50:18.01 3.0 positive manual Pn 1.21 0
CR.STON.BHZ. 2022-02-06T12:50:17.30 3.0 undecidable manual Pg 18.26 0
IV.LAV9.HNZ. 2022-02-06T12:50:14.59 3.0 undecidable manual Sg 2.64 0
IV.MTGR.HHZ. 2022-02-06T12:50:01.33 3.0 positive manual Pn -2.58 0
IV.PZUN.HHZ. 2022-02-06T12:49:55.02 3.0 undecidable manual Pn -0.23 0
IV.APEC.HHZ. 2022-02-06T12:49:50.09 3.0 undecidable manual Sg 4.9 0
IV.MF5.EHZ. 2022-02-06T12:49:49.76 3.0 undecidable manual Sn -9.99 0
OT.OT17.EHZ. 2022-02-06T12:49:45.25 3.0 positive manual Pn 1.57 0
IV.VENT.EHZ. 2022-02-06T12:49:42.73 3.0 negative manual Pg 7.32 0
IV.MELA.HHZ. 2022-02-06T12:49:38.26 3.0 negative manual Pn -3.18 0
IV.BRSN.EHZ. 2022-02-06T12:49:35.71 3.0 undecidable manual Sg -0.71 0
IV.IMOL.HNZ. 2022-02-06T12:49:34.32 3.0 undecidable manual Sg 3.38 0
ST.VARA.EHZ. 2022-02-06T12:49:25.96 3.0 undecidable manual Sg -1.2 0
MN.TRI.HHZ. 2022-02-06T12:49:25.70 3.0 positive manual Pg 6.14 0
IV.CADC.EHZ. 2022-02-06T12:49:10.46 3.0 undecidable manual Sg -3.17 0
IV.VARE.HHZ. 2022-02-06T12:49:07.20 3.0 undecidable manual Sn -2.98 0
GU.GSCL.HHN. 2022-02-06T12:48:57.88 0.6 undecidable manual S 22 65.7897 50 0.69 39
IV.CRMI.HHZ. 2022-02-06T12:48:54.49 0.6 undecidable manual S 90 56.3991 50 -0.19 46
IV.VARE.HHZ. 2022-02-06T12:48:52.76 3.0 positive manual Pg 5.48 0
GU.POPM.HHZ. 2022-02-06T12:48:52.35 0.6 undecidable manual S 55 46.9197 50 0.18 47
GU.SARM.EHN. 2022-02-06T12:48:50.84 0.6 undecidable manual S 13 43.5231 50 -0.42 45
GU.EQUI.HHZ. 2022-02-06T12:48:50.10 0.6 undecidable manual S 346 41.5251 50 -0.63 42
IV.PLMA.HHZ. 2022-02-06T12:48:50.73 0.6 undecidable manual S 309 43.5231 50 -0.52 43
IV.BDI.HHZ. 2022-02-06T12:48:49.62 0.6 undecidable manual S 41 38.628 50 -0.32 46
GU.GSCL.HHN. 2022-02-06T12:48:48.98 0.3 undecidable manual P 22 65.7897 50 0.51 63
IV.CRMI.HHZ. 2022-02-06T12:48:47.24 0.3 undecidable manual P 90 56.3991 50 0.22 68
GU.CARD.HHZ. 2022-02-06T12:48:47.01 0.6 undecidable manual S 33 29.8479 105 -0.28 47
GU.POPM.HHZ. 2022-02-06T12:48:45.65 0.3 undecidable manual P 55 46.9197 50 0.08 71
GU.SARM.EHN. 2022-02-06T12:48:45.14 0.1 undecidable manual P 13 43.5231 50 0.1 96
IV.PLMA.HHZ. 2022-02-06T12:48:45.45 0.3 undecidable manual P 309 43.5231 50 0.41 67
IV.PII.HHZ. 2022-02-06T12:48:44.02 0.6 undecidable manual S 114 21.867 111 -0.63 43
IV.BDI.HHZ. 2022-02-06T12:48:44.26 0.3 undecidable manual P 41 38.628 50 -0.02 73
GU.MAIM.HHZ. 2022-02-06T12:48:44.48 0.6 undecidable manual S 54 21.2676 111 0.03 50
GU.EQUI.HHZ. 2022-02-06T12:48:44.53 0.3 undecidable manual P 346 41.5251 50 -0.2 70
GU.CARD.HHZ. 2022-02-06T12:48:42.77 0.1 undecidable manual P 33 29.8479 105 0.02 100
IV.PII.HHZ. 2022-02-06T12:48:41.16 0.1 undecidable manual P 114 21.867 111 -0.06 100
GU.MAIM.HHZ. 2022-02-06T12:48:41.37 0.1 undecidable manual P 54 21.2676 111 0.26 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PII.HHE. ML:1.4 0.0001604 0.1024 AML other m 2022-02-06T12:48:44.16
IV.PII.HHN. ML:1.4 0.00018312960000000002 0.2048 AML other m 2022-02-06T12:48:44.11
GU.MAIM.HHN. ML:1.3 0.00013902670000000002 1.8592 AML other m 2022-02-06T12:48:45.06
GU.MAIM.HHE. ML:1.0 0.00007700553000000001 0.1984 AML other m 2022-02-06T12:48:45.20
GU.CARD.HHN. ML:2.0 0.00048806145 0.0832 AML other m 2022-02-06T12:48:47.81
GU.CARD.HHE. ML:1.8 0.00033659814999999996 0.1408 AML other m 2022-02-06T12:48:48.16
IV.BDI.HNE. ML:1.4 0.00009741967 1.6032 AML other m 2022-02-06T12:48:48.13
IV.BDI.HHE. ML:1.5 0.00010673437499999999 0.2432 AML other m 2022-02-06T12:48:50.14
IV.BDI.HHN. ML:1.3 0.00007814489 0.1152 AML other m 2022-02-06T12:48:50.13
GU.EQUI.HHN. ML:1.1 0.000042479775 0.1216 AML other m 2022-02-06T12:48:50.79
GU.EQUI.HHE. ML:1.0 0.000027960375000000002 0.0576 AML other m 2022-02-06T12:48:50.99
GU.POPM.HHN. ML:1.5 0.00008765 0.36 AML other m 2022-02-06T12:48:52.40
GU.POPM.HHE. ML:1.3 0.0000621 1.24 AML other m 2022-02-06T12:48:53.72
IV.BDI.HNN. ML:1.7 0.0001651086 0.9088 AML other m 2022-02-06T12:49:03.51
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