Earthquake with magnitude of ML 2.3 on date 16-08-2006 and time 19:27:32 (Italy) in region Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa)

A magnitude ML 2.3 earthquake occured in region: Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa), on

  • 16-08-2006 17:27:32 (UTC)
  • 16-08-2006 19:27:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.7640, 10.2080 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
Viareggio LU 12 62467 62467
Vecchiano PI 15 12189 74656
Massarosa LU 16 22471 97127
Pisa PI 17 89158 186285
San Giuliano Terme PI 19 31399 217684

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km S of Viareggio (62467 inhabitants)
17 Km W of Pisa (89158 inhabitants)
25 Km NW of Livorno (159219 inhabitants)
25 Km W of Lucca (89046 inhabitants)
31 Km S of Massa (69479 inhabitants)
36 Km S of Carrara (63133 inhabitants)
49 Km SE of La Spezia (93959 inhabitants)
60 Km W of Pistoia (90315 inhabitants)
73 Km W of Prato (191150 inhabitants)
78 Km W of Scandicci (50609 inhabitants)
84 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
Md 2.8
ML 2.3
2006-08-16
17:27:32
43.764 10.208 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 586689
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2006-08-16 17:27:32 ± 0.25
Latitude 43.7640 ± 0.0171
Longitude 10.2080 ± 0.0224
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 586689

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1947
Semi-minor axis of confidence ellipse (meter) 1737
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 23
Circular confidence region, given by single value of horizontal uncertainty (meter) 2617.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 76
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.95
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 2.50011
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.5
Num. used stations
Type of magnitude ML
Reference to an origin 586689
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:13:54

Md:2.8

Field Value
Value 2.8
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 586689
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:13:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PZI.SHZ. 2006-08-16T17:29:23.79 10.0 undecidable manual Pg 0 0 0
IV.BSSO.HHZ. 2006-08-16T17:29:14.99 10.0 undecidable manual Pg 0 0 0
IV.ORI.EHN. 2006-08-16T17:29:07.48 10.0 undecidable manual Pg 0 0 0
I1.HAGA.BHN. 2006-08-16T17:28:56.22 10.0 undecidable manual Pg 0 0 0
MN.TUE.HHE. 2006-08-16T17:28:55.25 10.0 undecidable manual Pg 0 0 0
CH.MUGIO.HHE. 2006-08-16T17:28:47.75 10.0 undecidable manual Pg 0 0 0
IV.MABI.HHE. 2006-08-16T17:28:46.45 10.0 undecidable manual Pg 0 0 0
IV.SALO.HHN. 2006-08-16T17:28:36.20 10.0 undecidable manual Sg 0 0 0
IV.FVI.SHZ. 2006-08-16T17:28:36.34 10.0 undecidable manual Pg 0 0 0
IV.BRMO.SHZ. 2006-08-16T17:28:27.57 10.0 undecidable manual Pg 0 0 0
IV.APPI.EHN. 2006-08-16T17:28:25.55 10.0 undecidable manual Pg 0 0 0
IV.VAI.SHZ. 2006-08-16T17:28:15.34 10.0 undecidable manual Pg 0 0 0
IV.CTI.SHZ. 2006-08-16T17:28:13.94 0.1 undecidable manual Pg 24 277.5111 0.121 37
IV.SFI.SHZ. 2006-08-16T17:28:12.24 0.1 undecidable manual Sg 83 132.0678 1.792 21
IV.MDI.HHZ. 2006-08-16T17:28:11.82 10.0 undecidable manual Pg 0 0 0
IV.DOI.SHZ. 2006-08-16T17:28:10.58 0.1 undecidable manual Pg 290 249.6612 0.227 46
IV.SALO.HHN. 2006-08-16T17:28:08.04 10.0 undecidable manual Pg 0 0 0
IV.FIN.SHZ. 2006-08-16T17:28:00.49 0.1 undecidable manual Pg 288 167.0106 0.703 67
IV.CRE.SHZ. 2006-08-16T17:27:56.73 0.1 undecidable manual Pg 96 140.748 0.981 65
IV.SFI.SHZ. 2006-08-16T17:27:54.77 0.1 undecidable manual Pg 83 132.0678 0.364 84
IV.BOB.HHE. 2006-08-16T17:27:53.88 0.1 undecidable manual Pg 332 126.6732 0.309 86
IV.SEI.SHZ. 2006-08-16T17:27:49.24 0.1 undecidable manual Pg 70 97.4247 0.173 94
IV.ZCCA.BHZ. 2006-08-16T17:27:49.42 0.1 undecidable manual Pg 43 89.3439 1.598 52
IV.GRFL.SHZ. 2006-08-16T17:27:48.35 0.1 undecidable manual Pg 138 92.241 0.085 97
IV.FNVD.HHE. 2006-08-16T17:27:48.92 0.1 undecidable manual Pg 58 85.6476 1.667 50
IV.CSNT.BHZ. 2006-08-16T17:27:48.61 0.1 undecidable manual Pg 110 92.7405 0.268 93
IV.BDI.HHZ. 2006-08-16T17:27:46.13 0.1 undecidable manual Sg 43 45.4212 -1.177 36
IV.ERBM.EHZ. 2006-08-16T17:27:45.37 0.1 undecidable manual Pg 13 74.4699 -0.158 99
IV.GSCL.SHZ. 2006-08-16T17:27:44.99 0.1 undecidable manual Pg 25 71.7726 -0.118 100
IV.PZZT.HHZ. 2006-08-16T17:27:43.81 0.1 undecidable manual Pg 52 66.1893 -0.446 94
IV.GROG.HHZ. 2006-08-16T17:27:40.21 0.1 undecidable manual Pg 214 45.3213 -0.821 85
IV.PII.SHZ. 2006-08-16T17:27:40.84 0.1 undecidable manual Sg 100 25.8519 -1.25 36
MN.VLC.HHZ. 2006-08-16T17:27:40.28 0.1 undecidable manual Pg 18 46.0206 -0.866 83
IV.BDI.HHZ. 2006-08-16T17:27:40.12 0.1 undecidable manual Pg 43 45.4212 -0.924 81
IV.PII.SHZ. 2006-08-16T17:27:37.33 0.1 undecidable manual Pg 100 25.8519 -0.706 92
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