Earthquake with magnitude of ML 1.4 on date 23-06-2006 and time 14:33:14 (Italy) in region 3 km E Montieri (GR)

A magnitude ML 1.4 earthquake occured in region: 3 km E Montieri (GR), on

  • 23-06-2006 12:33:14 (UTC)
  • 23-06-2006 14:33:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1340, 11.0520 at 9 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
Montieri GR 3 1204 1204
Chiusdino SI 4 1903 3107
Monticiano SI 11 1571 4678
Castelnuovo di Val di Cecina PI 14 2231 6909
Radicondoli SI 14 914 7823
Monterotondo Marittimo GR 16 1371 9194
Massa Marittima GR 16 8375 17569
Roccastrada GR 17 9199 26768

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km SW of Siena (53903 inhabitants)
42 Km N of Grosseto (82087 inhabitants)
70 Km S of Scandicci (50609 inhabitants)
73 Km S of Firenze (382808 inhabitants)
76 Km SE of Livorno (159219 inhabitants)
77 Km W of Arezzo (99543 inhabitants)
83 Km S of Prato (191150 inhabitants)
83 Km SE of Pisa (89158 inhabitants)
90 Km S of Pistoia (90315 inhabitants)
91 Km SE of Lucca (89046 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 1.9
ML 1.4
2006-06-23
12:33:14
43.134 11.052 9 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 575919
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2006-06-23 12:33:14 ± 0.14
Latitude 43.1340 ± 0.0108
Longitude 11.0520 ± 0.0345
Depth (km) 9 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 575919

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2770
Semi-minor axis of confidence ellipse (meter) 1132
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 73
Circular confidence region, given by single value of horizontal uncertainty (meter) 3046.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 109
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.05756
Epicentral distance of station farthest from the epicenter (degree) 0.70687
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 575919
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:02:41

Md:1.9

Field Value
Value 1.9
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 575919
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:02:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MAON.HHN. 2006-06-23T12:33:38.00 0.1 undecidable manual Sg 175 78.4659 -0.079 44
IV.ARCI.HHZ. 2006-06-23T12:33:29.00 0.1 undecidable manual Sg 132 46.4202 -0.515 42
IV.MAON.HHN. 2006-06-23T12:33:28.04 0.1 undecidable manual Pg 175 78.4659 0.054 88
IV.ARCI.HHZ. 2006-06-23T12:33:23.40 0.1 negative manual Pg 132 46.4202 0.358 88
IV.CSNT.BHZ. 2006-06-23T12:33:22.36 0.1 positive manual Pg 27 42.2244 -0.043 94
IV.GRFL.SHZ. 2006-06-23T12:33:17.98 0.1 undecidable manual Sg 284 6.3936 -0.033 50
IV.GRFL.SHZ. 2006-06-23T12:33:16.34 0.1 negative manual Pg 284 6.3936 -0.06 100
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