Earthquake with magnitude of ML 1.3 on date 17-12-2006 and time 13:12:11 (Italy) in region Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa)

A magnitude ML 1.3 earthquake occured in region: Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa), on

  • 17-12-2006 12:12:11 (UTC)
  • 17-12-2006 13:12:11 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.8960, 10.1300 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Forte dei Marmi LU 8 7510 7510
Viareggio LU 10 62467 69977
Pietrasanta LU 11 24007 93984
Seravezza LU 14 13073 107057
Montignoso MS 14 10323 117380
Camaiore LU 15 32513 149893
Massa MS 16 69479 219372
Massarosa LU 17 22471 241843
Stazzema LU 18 3193 245036

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km W of Viareggio (62467 inhabitants)
16 Km S of Massa (69479 inhabitants)
20 Km S of Carrara (63133 inhabitants)
30 Km NW of Pisa (89158 inhabitants)
30 Km W of Lucca (89046 inhabitants)
34 Km SE of La Spezia (93959 inhabitants)
41 Km NW of Livorno (159219 inhabitants)
63 Km W of Pistoia (90315 inhabitants)
78 Km W of Prato (191150 inhabitants)
86 Km W of Scandicci (50609 inhabitants)
92 Km W of Firenze (382808 inhabitants)
98 Km SW 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
Md 2.3
ML 1.3
2006-12-17
12:12:11
43.896 10.13 2 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 606069
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2006-12-17 12:12:11 ± 0.38
Latitude 43.8960 ± 0.0270
Longitude 10.1300 ± 0.0262
Depth (km) 2 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 606069

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3316
Semi-minor axis of confidence ellipse (meter) 1579
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 28
Circular confidence region, given by single value of horizontal uncertainty (meter) 3662.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 204
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.51
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.23657
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 606069
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:34:17

Md:2.3

Field Value
Value 2.3
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 606069
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:34:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SFI.SHZ. 2006-12-17T12:12:36.00 0.3 undecidable manual Pg 89 137.2626 0.82 48
IV.CERA.HHN. 2006-12-17T12:12:32.49 10.0 undecidable manual Pg 0 0 0
IV.VMG.SHZ. 2006-12-17T12:12:32.45 10.0 undecidable manual Pg 0 0 0
IV.SEI.SHZ. 2006-12-17T12:12:29.69 0.3 undecidable manual Pg 79 99.6225 0.307 62
IV.CSNT.SHZ. 2006-12-17T12:12:29.96 0.1 undecidable manual Pg 116 104.2179 -0.129 85
GU.SC2M.HHE. 2006-12-17T12:12:25.20 0.1 undecidable manual Pg 320 73.6707 -0.182 89
IV.ERBM.SHZ. 2006-12-17T12:12:24.08 0.1 undecidable manual Pg 21 62.2932 0.451 86
IV.PZZT.HHN. 2006-12-17T12:12:23.43 0.1 undecidable manual Pg 66 63.9915 -0.455 86
IV.BDI.HHZ. 2006-12-17T12:12:19.48 0.1 undecidable manual Pg 63 41.625 -0.313 92
IV.RAVA.EHN. 2006-12-17T12:12:18.52 10.0 undecidable manual Pg 0 0 0
GU.MAIM.HHZ. 2006-12-17T12:12:17.23 0.1 undecidable manual Pg 86 28.9488 -0.035 100
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download