Earthquake with magnitude of ML 2.0 on date 16-08-2006 and time 19:41:03 (Italy) in region Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa)

A magnitude ML 2.0 earthquake occured in region: Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa), on

  • 16-08-2006 17:41:03 (UTC)
  • 16-08-2006 19:41:03 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.7960, 10.1140 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 14 62467 62467
Forte dei Marmi LU 19 7510 69977

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km SW of Viareggio (62467 inhabitants)
25 Km W of Pisa (89158 inhabitants)
27 Km S of Massa (69479 inhabitants)
31 Km NW of Livorno (159219 inhabitants)
31 Km S of Carrara (63133 inhabitants)
32 Km W of Lucca (89046 inhabitants)
42 Km SE of La Spezia (93959 inhabitants)
66 Km W of Pistoia (90315 inhabitants)
80 Km W of Prato (191150 inhabitants)
86 Km W of Scandicci (50609 inhabitants)
92 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 2.2
ML 2.0
2006-08-16
17:41:03
43.796 10.114 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 586709
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2006-08-16 17:41:03 ± 0.32
Latitude 43.7960 ± 0.0198
Longitude 10.1140 ± 0.0374
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 586709

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3316
Semi-minor axis of confidence ellipse (meter) 1842
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 62
Circular confidence region, given by single value of horizontal uncertainty (meter) 3720.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 175
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.8
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.93260
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 586709
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:13:56

Md:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 586709
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:13:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BOB.HHN. 2006-08-16T17:41:41.36 10.0 undecidable manual Sg 0 0 0
IV.ZCCA.SHZ. 2006-08-16T17:41:34.49 10.0 undecidable manual Sg 0 0 0
IV.SEI.SHZ. 2006-08-16T17:41:34.69 0.6 undecidable manual Sg 73 103.5186 1.312 14
IV.CRE.SHZ. 2006-08-16T17:41:30.29 10.0 undecidable manual Pg 0 0 0
IV.FNVD.HHZ. 2006-08-16T17:41:29.46 10.0 undecidable manual Sg 0 0 0
IV.SFI.SHZ. 2006-08-16T17:41:29.92 10.0 undecidable manual Pg 0 0 0
IV.BOB.HHN. 2006-08-16T17:41:26.00 10.0 undecidable manual Pg 0 0 0
IV.PZZT.HHZ. 2006-08-16T17:41:23.75 0.3 undecidable manual Sg 58 70.374 -0.784 30
IV.SEI.SHZ. 2006-08-16T17:41:21.50 0.1 undecidable manual Pg 73 103.5186 0.939 69
IV.ZCCA.SHZ. 2006-08-16T17:41:20.73 10.0 undecidable manual Pg 0 0 0
IV.FNVD.HHZ. 2006-08-16T17:41:20.12 10.0 undecidable manual Pg 0 0 0
IV.CSNT.BHN. 2006-08-16T17:41:20.21 0.1 undecidable manual Pg 110 101.0211 0.035 92
MN.VLC.HHN. 2006-08-16T17:41:17.50 0.6 undecidable manual Sg 28 45.8208 -0.475 23
IV.GSCL.SHZ. 2006-08-16T17:41:16.03 0.1 undecidable manual Pg 31 72.1722 0.292 92
IV.ERBM.EHZ. 2006-08-16T17:41:16.66 0.1 undecidable manual Pg 19 73.1712 0.775 79
IV.PZZT.HHZ. 2006-08-16T17:41:15.12 0.1 undecidable manual Pg 58 70.374 -0.333 92
IV.GROG.HHE. 2006-08-16T17:41:11.36 0.1 undecidable manual Pg 204 44.7219 -0.14 100
IV.BDI.HHZ. 2006-08-16T17:41:11.23 0.1 undecidable manual Pg 52 48.618 -0.874 79
MN.VLC.HHN. 2006-08-16T17:41:11.39 0.1 undecidable manual Pg 28 45.8208 -0.277 97
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