Earthquake with magnitude of ML 1.5 on date 15-07-2006 and time 23:29:23 (Italy) in region 6 km E Castelnuovo di Val di Cecina (PI)

A magnitude ML 1.5 earthquake occured in region: 6 km E Castelnuovo di Val di Cecina (PI), on

  • 15-07-2006 21:29:23 (UTC)
  • 15-07-2006 23:29:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2230, 10.9830 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
Castelnuovo di Val di Cecina PI 6 2231 2231
Radicondoli SI 7 914 3145
Montieri GR 11 1204 4349
Chiusdino SI 11 1903 6252
Pomarance PI 12 5897 12149
Monterotondo Marittimo GR 13 1371 13520
Casole d'Elsa SI 14 3897 17417
Monticiano SI 19 1571 18988

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km W of Siena (53903 inhabitants)
52 Km N of Grosseto (82087 inhabitants)
62 Km S of Scandicci (50609 inhabitants)
65 Km SW of Firenze (382808 inhabitants)
66 Km SE of Livorno (159219 inhabitants)
72 Km SE of Pisa (89158 inhabitants)
74 Km S of Prato (191150 inhabitants)
78 Km W of Arezzo (99543 inhabitants)
79 Km SE of Lucca (89046 inhabitants)
79 Km S of Pistoia (90315 inhabitants)
93 Km SE of Viareggio (62467 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 2.0
ML 1.5
2006-07-15
21:29:23
43.223 10.983 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 580419
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2006-07-15 21:29:23 ± 0.15
Latitude 43.2230 ± 0.0099
Longitude 10.9830 ± 0.0222
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 580419

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1858
Semi-minor axis of confidence ellipse (meter) 1067
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 139
Circular confidence region, given by single value of horizontal uncertainty (meter) 2109.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 142
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) 0.47
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.91191
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 580419
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:07:20

Md:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 580419
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:07:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MURB.HHN. 2006-07-15T21:29:51.25 10.0 undecidable manual Pg 0 0 0
IV.FNVD.HHZ. 2006-07-15T21:29:43.84 10.0 undecidable manual Pg 0 0 0
IV.ARCI.HHZ. 2006-07-15T21:29:42.55 0.1 undecidable manual Sg 136 57.3981 -0.382 43
IV.PZZT.HHN. 2006-07-15T21:29:41.90 0.1 undecidable manual Pg 355 101.2209 0.014 85
IV.BDI.HHZ. 2006-07-15T21:29:41.16 0.1 undecidable manual Pg 342 98.124 -0.212 82
IV.MAON.HHZ. 2006-07-15T21:29:39.55 0.1 undecidable manual Pg 172 89.0442 -0.302 82
IV.PII.SHZ. 2006-07-15T21:29:36.21 0.1 undecidable manual Pg 326 66.4779 0.124 89
IV.CSNT.BHZ. 2006-07-15T21:29:36.32 0.1 undecidable manual Sg 42 37.2294 -0.61 42
IV.ARCI.HHZ. 2006-07-15T21:29:35.26 0.1 undecidable manual Pg 136 57.3981 0.688 78
IV.CSNT.BHZ. 2006-07-15T21:29:31.46 0.1 undecidable manual Pg 42 37.2294 0.262 91
IV.GRFL.SHZ. 2006-07-15T21:29:28.19 0.1 undecidable manual Sg 184 8.4804 -0.306 48
IV.GRFL.SHZ. 2006-07-15T21:29:26.53 0.1 undecidable manual Pg 184 8.4804 0.072 100
IV.ORI.EHE. 2006-07-15T21:29:08.39 10.0 undecidable manual Pg 0 0 0
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