Earthquake with magnitude of ML 2.5 on date 16-08-2006 and time 19:16:39 (Italy) in region Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa)

A magnitude ML 2.5 earthquake occured in region: Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa), on

  • 16-08-2006 17:16:39 (UTC)
  • 16-08-2006 19:16:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.7730, 10.1880 at 6 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 16 12189 74656
Massarosa LU 16 22471 97127
Pisa PI 18 89158 186285

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km SW of Viareggio (62467 inhabitants)
18 Km W of Pisa (89158 inhabitants)
26 Km NW of Livorno (159219 inhabitants)
27 Km W of Lucca (89046 inhabitants)
30 Km S of Massa (69479 inhabitants)
35 Km S of Carrara (63133 inhabitants)
47 Km SE of La Spezia (93959 inhabitants)
61 Km W of Pistoia (90315 inhabitants)
74 Km W of Prato (191150 inhabitants)
80 Km W of Scandicci (50609 inhabitants)
86 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 2.5
2006-08-16
17:16:39
43.773 10.188 6 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 586679
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2006-08-16 17:16:39 ± 0.41
Latitude 43.7730 ± 0.0135
Longitude 10.1880 ± 0.0199
Depth (km) 6 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 586679

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1426
Semi-minor axis of confidence ellipse (meter) 990
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 265
Circular confidence region, given by single value of horizontal uncertainty (meter) 2193.2
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 29
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.9
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 2.49742
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 586679
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 586679
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.APPI.EHN. 2006-08-16T17:17:33.91 10.0 undecidable manual Pg 0 0 0
MN.TUE.HHN. 2006-08-16T17:17:29.37 10.0 undecidable manual Pg 0 0 0
IV.BADI.EHN. 2006-08-16T17:17:27.29 10.0 undecidable manual Pg 0 0 0
IV.CTI.SHZ. 2006-08-16T17:17:22.19 0.1 undecidable manual Pg 24 277.2114 0.739 29
IV.SFI.SHZ. 2006-08-16T17:17:19.55 0.1 undecidable manual Sg 83 133.4664 0.823 33
IV.MDI.HHN. 2006-08-16T17:17:17.38 10.0 undecidable manual Pg 0 0 0
IV.ESLN.BHZ. 2006-08-16T17:17:10.35 10.0 undecidable manual Pg 0 0 0
IV.SEI.SHZ. 2006-08-16T17:17:10.12 0.1 undecidable manual Sg 71 98.5236 0.717 37
IV.FIN.SHZ. 2006-08-16T17:17:08.84 0.1 undecidable manual Pg 288 165.2124 1.771 36
IV.CRE.SHZ. 2006-08-16T17:17:04.66 0.1 undecidable manual Pg 96 142.4463 1.098 57
IV.SFI.SHZ. 2006-08-16T17:17:02.38 0.1 undecidable manual Pg 83 133.4664 0.196 81
IV.GSCL.SHZ. 2006-08-16T17:17:01.94 0.1 undecidable manual Sg 26 71.5728 -0.247 45
IV.BOB.HHE. 2006-08-16T17:17:01.46 0.1 undecidable manual Pg 332 125.0859 0.578 75
IV.ZCCA.BHZ. 2006-08-16T17:16:57.05 0.1 undecidable manual Pg 44 89.7435 1.611 48
IV.SEI.SHZ. 2006-08-16T17:16:56.88 0.1 undecidable manual Pg 71 98.5236 0.079 89
IV.CSNT.SHZ. 2006-08-16T17:16:56.32 0.1 undecidable manual Pg 110 94.5387 0.145 88
IV.GRFL.SHZ. 2006-08-16T17:16:56.15 0.1 undecidable manual Pg 137 94.0392 0.053 90
IV.FNVD.HHZ. 2006-08-16T17:16:55.07 0.1 undecidable manual Pg 59 86.5467 0.13 90
IV.GROG.HHZ. 2006-08-16T17:16:54.03 0.1 undecidable manual Sg 212 45.2214 -1.14 34
IV.BDI.HHZ. 2006-08-16T17:16:54.02 0.1 undecidable manual Sg 45 45.8208 -1.293 32
IV.ERBM.SHZ. 2006-08-16T17:16:53.13 0.1 positive manual Pg 14 73.8705 0.131 92
MN.VLC.HHZ. 2006-08-16T17:16:53.85 0.1 undecidable manual Sg 20 45.621 -1.425 29
IV.GSCL.SHZ. 2006-08-16T17:16:52.59 0.1 positive manual Pg 26 71.5728 -0.044 94
IV.PZZT.HHZ. 2006-08-16T17:16:51.51 0.1 undecidable manual Pg 53 66.8775 -0.401 88
IV.PII.SHZ. 2006-08-16T17:16:48.83 0.3 undecidable manual Sg 102 27.5502 -0.565 34
IV.GROG.HHZ. 2006-08-16T17:16:48.06 0.1 undecidable manual Pg 212 45.2214 -0.524 89
IV.BDI.HHZ. 2006-08-16T17:16:47.74 0.1 undecidable manual Pg 45 45.8208 -0.926 75
MN.VLC.HHZ. 2006-08-16T17:16:47.91 0.1 undecidable manual Pg 20 45.621 -0.733 82
IV.PII.SHZ. 2006-08-16T17:16:45.09 0.1 undecidable manual Pg 102 27.5502 -0.157 100
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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