Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 11-11-2006 and time 02:03:29 (Italy) in region Costa Toscana livornese (Livorno)

A magnitude ML 2.0 earthquake occured in region: Costa Toscana livornese (Livorno), on

  • 11-11-2006 01:03:29 (UTC)
  • 11-11-2006 02:03:29 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4600, 10.2910 at 2 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Livorno LI 11 159219 159219
Rosignano Marittimo LI 16 31394 190613
Orciano Pisano PI 18 647 191260

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km S of Livorno (159219 inhabitants)
30 Km SW of Pisa (89158 inhabitants)
46 Km S of Viareggio (62467 inhabitants)
46 Km SW of Lucca (89046 inhabitants)
65 Km S of Massa (69479 inhabitants)
71 Km S of Carrara (63133 inhabitants)
73 Km SW of Pistoia (90315 inhabitants)
79 Km W of Scandicci (50609 inhabitants)
80 Km SW of Prato (191150 inhabitants)
81 Km SE of La Spezia (93959 inhabitants)
85 Km W of Firenze (382808 inhabitants)
86 Km W of Siena (53903 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 2.3
ML 2.0 		2006-11-11
01:03:29		 43.46 10.291 2 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 601339
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2006-11-11 01:03:29 ± 0.2
Latitude 43.4600 ± 0.0117
Longitude 10.2910 ± 0.0161
Depth (km) 2 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 601339

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1316
Semi-minor axis of confidence ellipse (meter) 1211
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 322
Circular confidence region, given by single value of horizontal uncertainty (meter) 1838.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 139
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.81
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.05580
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 601339
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:29:16

Md:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 601339
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:29:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARCI.HHN. 2006-11-11T01:04:04.87 0.3 undecidable manual Sg 125 117.1938 -0.271 31
IV.PZZT.HHZ. 2006-11-11T01:03:56.42 0.3 undecidable manual Sg 31 87.3459 -0.766 28
IV.CSNT.BHN. 2006-11-11T01:03:54.07 0.6 undecidable manual Sg 89 80.4639 -1.265 15
MN.VLC.HHN. 2006-11-11T01:03:53.82 0.6 undecidable manual Sg 6 77.9664 -0.845 18
IV.BDI.HHZ. 2006-11-11T01:03:52.02 0.3 undecidable manual Sg 20 71.1732 -0.843 28
IV.ZCCA.SHZ. 2006-11-11T01:03:51.82 10.0 undecidable manual Pg 0 0 0
IV.ARCI.HHN. 2006-11-11T01:03:50.17 0.1 undecidable manual Pg 125 117.1938 0.14 84
IV.VMG.SHZ. 2006-11-11T01:03:50.66 0.1 undecidable manual Pg 61 114.8961 0.991 64
IV.SEI.SHZ. 2006-11-11T01:03:50.16 0.1 undecidable manual Pg 52 108.0141 1.546 48
IV.ERBM.EHZ. 2006-11-11T01:03:49.15 0.1 undecidable manual Pg 5 106.9152 0.708 73
IV.GSCL.SHZ. 2006-11-11T01:03:48.52 0.1 undecidable manual Pg 13 101.6205 0.891 68
IV.FNVD.HHZ. 2006-11-11T01:03:48.08 0.1 undecidable manual Pg 40 103.0191 0.242 84
GU.MAIM.HHZ. 2006-11-11T01:03:46.20 0.3 undecidable manual Sg 18 52.9026 -1.559 20
IV.PZZT.HHZ. 2006-11-11T01:03:45.43 0.1 undecidable manual Pg 31 87.3459 -0.007 91
IV.CSNT.BHN. 2006-11-11T01:03:44.08 0.1 undecidable manual Pg 89 80.4639 -0.288 87
MN.VLC.HHN. 2006-11-11T01:03:43.65 0.1 undecidable manual Pg 6 77.9664 -0.331 87
IV.BDI.HHZ. 2006-11-11T01:03:42.61 0.1 undecidable manual Pg 20 71.1732 -0.331 88
IV.GRFL.SHZ. 2006-11-11T01:03:41.26 0.1 undecidable manual Pg 122 65.2902 -0.762 77
IV.PII.SHZ. 2006-11-11T01:03:41.09 0.6 undecidable manual Sg 33 34.6431 -0.332 24
IV.GROG.HHZ. 2006-11-11T01:03:40.04 0.3 undecidable manual Sg 264 32.3454 -0.591 33
GU.MAIM.HHZ. 2006-11-11T01:03:39.62 0.1 undecidable manual Pg 18 52.9026 -0.374 90
IV.PII.SHZ. 2006-11-11T01:03:36.69 0.1 undecidable manual Pg 33 34.6431 0.354 94
IV.GROG.HHZ. 2006-11-11T01:03:35.95 0.1 undecidable manual Pg 264 32.3454 0.072 100
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