Earthquake with magnitude of ML 1.6 on date 26-04-2006 and time 14:41:29 (UTC) in region 6 km N Livorno (LI)

A magnitude ML 1.6 earthquake occured in region: 6 km N Livorno (LI), on

  • 26-04-2006 14:41:29 (UTC)
  • 26-04-2006 16:41:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6040, 10.2960 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
Livorno LI 6 159219 159219
Collesalvetti LI 15 16827 176046
Pisa PI 15 89158 265204
Fauglia PI 18 3682 268886

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km N of Livorno (159219 inhabitants)
15 Km SW of Pisa (89158 inhabitants)
30 Km S of Viareggio (62467 inhabitants)
32 Km SW of Lucca (89046 inhabitants)
50 Km S of Massa (69479 inhabitants)
55 Km SE of Carrara (63133 inhabitants)
62 Km SW of Pistoia (90315 inhabitants)
67 Km SE of La Spezia (93959 inhabitants)
71 Km W of Prato (191150 inhabitants)
73 Km W of Scandicci (50609 inhabitants)
79 Km W of Firenze (382808 inhabitants)
90 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 1.8
ML 1.6
2006-04-26
14:41:29
43.604 10.296 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 564469
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2006-04-26 14:41:29 ± 0.35
Latitude 43.6040 ± 0.0306
Longitude 10.2960 ± 0.0435
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 564469

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 4684
Semi-minor axis of confidence ellipse (meter) 1368
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 46
Circular confidence region, given by single value of horizontal uncertainty (meter) 4879.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 184
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.72
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.81928
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 564469
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 10:50:41

Md:1.8

Field Value
Value 1.8
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 564469
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 10:50:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VMG.SHZ. 2006-04-26T14:42:33.84 10.0 undecidable manual Sg 0 0 0
IV.PZZT.HHE. 2006-04-26T14:41:52.38 0.1 undecidable manual Sg 38 73.8705 0.324 44
MN.VLC.HHN. 2006-04-26T14:41:47.87 0.1 undecidable manual Sg 7 61.9935 -0.997 35
IV.ERBM.EHE. 2006-04-26T14:41:46.01 0.1 undecidable manual Pg 6 90.9423 0.815 72
IV.BDI.HHE. 2006-04-26T14:41:46.74 0.3 undecidable manual Sg 25 56.1993 -0.597 32
IV.PZZT.HHE. 2006-04-26T14:41:43.09 0.1 undecidable manual Pg 38 73.8705 0.513 84
IV.GROG.HHZ. 2006-04-26T14:41:42.19 0.1 undecidable manual Sg 239 38.0286 -0.298 47
IV.BDI.HHE. 2006-04-26T14:41:40.15 0.1 undecidable manual Pg 25 56.1993 0.297 91
MN.VLC.HHN. 2006-04-26T14:41:40.44 0.3 undecidable manual Pg 7 61.9935 -0.296 68
IV.GROG.HHZ. 2006-04-26T14:41:37.07 0.1 undecidable manual Pg 239 38.0286 0.016 100
IV.PII.SHZ. 2006-04-26T14:41:33.56 0.3 undecidable manual Pg 55 22.4553 -1.003 56
IV.VMG.SHZ. 2006-04-26T14:41:32.04 10.0 undecidable manual Pg 0 0 0
IV.FG5.SHZ. 2006-04-26T14:41:29.96 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download