Earthquake with magnitude of ML 1.3 on date 07-11-2021 and time 00:53:56 (Italy) in region 5 km N Vecchiano (PI)

A magnitude ML 1.3 earthquake occured in region: 5 km N Vecchiano (PI), on

  • 06-11-2021 23:53:56 (UTC)
  • 07-11-2021 00:53:56 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.8280, 10.3930 at 10 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
Vecchiano PI 5 12189 12189
Massarosa LU 6 22471 34660
San Giuliano Terme PI 8 31399 66059
Lucca LU 9 89046 155105
Viareggio LU 12 62467 217572
Pisa PI 13 89158 306730
Camaiore LU 14 32513 339243
Capannori LU 15 46252 385495
Calci PI 15 6426 391921
Pescaglia LU 16 3526 395447
Porcari LU 18 8845 404292
Buti PI 19 5791 410083
Pietrasanta LU 20 24007 434090

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 Km W of Lucca (89046 inhabitants)
12 Km E of Viareggio (62467 inhabitants)
13 Km N of Pisa (89158 inhabitants)
31 Km SE of Massa (69479 inhabitants)
31 Km N of Livorno (159219 inhabitants)
37 Km SE of Carrara (63133 inhabitants)
44 Km W of Pistoia (90315 inhabitants)
55 Km SE of La Spezia (93959 inhabitants)
57 Km W of Prato (191150 inhabitants)
64 Km W of Scandicci (50609 inhabitants)
70 Km W of Firenze (382808 inhabitants)
95 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
Bulletin
Rev1000
ML 1.3 2021-11-06
23:53:56
43.8283 10.3933 10 2022-03-30
13:04:30
Bollettino Sismico Italiano INGV 99738111
Reviewed
Rev100
ML 1.3 2021-11-06
23:53:56
43.8447 10.6362 11 2021-11-07
00:00:16
Sala Sismica INGV-Roma 97305541
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-06 23:53:56 ± 0.22
Latitude 43.8283 ± 0.0081
Longitude 10.3933 ± 0.0199
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 99738111

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1590
Semi-minor axis of confidence ellipse (meter) 808
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 80
Circular confidence region, given by single value of horizontal uncertainty (meter) 1590.0
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 25
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.37951
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 97305541
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-07 00:00:16

ML:1.3

Field Value
Value 1.3
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 99738111
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-01-13 11:49:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MTGR.HHZ. 2021-11-06T23:55:36.95 3.0 undecidable manual Pg 12.54 0
IV.MIDA.HHZ. 2021-11-06T23:55:28.86 3.0 undecidable manual Sg 2.24 0
IV.VARE.HHZ. 2021-11-06T23:55:09.41 3.0 undecidable manual Sn -0.37 0
IV.ICAI.EHZ. 2021-11-06T23:54:59.06 3.0 negative manual Pg 5.78 0
IV.STAL.HHZ. 2021-11-06T23:54:39.78 3.0 undecidable manual Pn 1.21 0
MN.TRI.HHZ. 2021-11-06T23:54:39.13 3.0 positive manual Pn 0.4 0
IV.LATE.HHZ. 2021-11-06T23:54:33.05 3.0 undecidable manual S -7 0
IV.MGAB.HHZ. 2021-11-06T23:54:29.50 3.0 undecidable manual S -7.67 0
IV.MSSA.HHZ. 2021-11-06T23:54:18.08 3.0 positive manual P 1.25 0
GU.SARM.EHN. 2021-11-06T23:54:09.37 0.6 undecidable manual S 1 39.4272 50 -0.26 46
GU.POPM.HHZ. 2021-11-06T23:54:09.70 0.6 undecidable manual S 50 37.7289 50 0.55 43
GU.EQUI.HHN. 2021-11-06T23:54:09.44 0.6 undecidable manual S 333 42.1245 50 -0.89 37
IV.RIBO.EHZ.01 2021-11-06T23:54:07.63 3.0 undecidable manual P -4.15 0
IV.BDI.HHZ. 2021-11-06T23:54:06.85 0.3 undecidable manual S 32 30.6471 50 -0.41 67
GU.CARD.HHZ. 2021-11-06T23:54:04.67 0.6 undecidable manual S 18 23.0547 114 -0.49 45
GU.SARM.EHN. 2021-11-06T23:54:04.19 0.3 undecidable manual P 1 39.4272 50 0.14 70
GU.EQUI.HHN. 2021-11-06T23:54:04.96 0.3 undecidable manual P 333 42.1245 50 0.51 64
GU.POPM.HHZ. 2021-11-06T23:54:03.84 0.1 undecidable manual P 50 37.7289 50 0.07 95
IV.BDI.HHZ. 2021-11-06T23:54:02.76 0.1 undecidable manual P 32 30.6471 50 0.08 96
IV.PII.HHZ. 2021-11-06T23:54:02.46 0.3 undecidable manual S 138 15.873 123 -0.48 68
GU.CARD.HHZ. 2021-11-06T23:54:01.48 0.1 undecidable manual P 18 23.0547 114 0.01 99
GU.MAIM.HHZ. 2021-11-06T23:54:01.95 0.6 undecidable manual S 40 12.2766 130 0.02 50
GU.MAIM.HHZ. 2021-11-06T23:54:00.05 0.1 undecidable manual P 40 12.2766 130 0.44 92
IV.PII.HHZ. 2021-11-06T23:54:00.21 0.1 undecidable manual P 138 15.873 123 0.03 100
IV.FIR.HHZ. 2021-11-06T23:53:54.57 3.0 positive manual P -3.68 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PII.HHN. ML:1.4 0.00020750000000000003 0.12 AML other m 2021-11-06T23:54:02.78
IV.PII.HHE. ML:1.4 0.000228 0.26 AML other m 2021-11-06T23:54:02.92
GU.CARD.HHE. ML:1.3 0.00011599999999999999 1 AML other m 2021-11-06T23:54:04.82
GU.CARD.HHN. ML:1.3 0.00011399999999999999 0.58 AML other m 2021-11-06T23:54:05.23
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