Earthquake with magnitude of ML 1.3 on date 14-08-2009 and time 23:19:02 (UTC) in region 1 km W Montieri (GR)

A magnitude ML 1.3 earthquake occured in region: 1 km W Montieri (GR), on

  • 14-08-2009 23:19:02 (UTC)
  • 15-08-2009 01:19:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1280, 11.0050 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
Montieri GR 1 1204 1204
Chiusdino SI 8 1903 3107
Castelnuovo di Val di Cecina PI 12 2231 5338
Monterotondo Marittimo GR 12 1371 6709
Massa Marittima GR 13 8375 15084
Monticiano SI 14 1571 16655
Radicondoli SI 15 914 17569
Roccastrada GR 19 9199 26768

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km SW of Siena (53903 inhabitants)
42 Km N of Grosseto (82087 inhabitants)
72 Km S of Scandicci (50609 inhabitants)
74 Km SE of Livorno (159219 inhabitants)
74 Km S of Firenze (382808 inhabitants)
81 Km W of Arezzo (99543 inhabitants)
82 Km SE of Pisa (89158 inhabitants)
84 Km S of Prato (191150 inhabitants)
90 Km SE of Lucca (89046 inhabitants)
90 Km S of Pistoia (90315 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 1.3
2009-08-14
23:19:02
43.128 11.005 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 948489
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-08-14 23:19:02 ± 0.19
Latitude 43.1280 ± 0.0117
Longitude 11.0050 ± 0.0271
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 948489

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2287
Semi-minor axis of confidence ellipse (meter) 1160
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 288
Circular confidence region, given by single value of horizontal uncertainty (meter) 2555.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 115
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) 0.49
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.44067
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 948489
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 18:05:51

Md:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 948489
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 18:05:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARCI.HHN. 2009-08-14T23:19:17.96 0.1 undecidable manual Sg 129 48.9177 -0.326 90
IV.CSNT.HHE. 2009-08-14T23:19:16.79 0.3 undecidable manual Sg 31 44.7219 -0.359 68
IV.CASP.HHZ. 2009-08-14T23:19:15.32 0.3 undecidable manual Sg 197 39.1275 -0.337 69
IV.ARCI.HHN. 2009-08-14T23:19:12.08 0.1 undecidable manual Pg 129 48.9177 0.493 87
IV.CSNT.HHE. 2009-08-14T23:19:11.18 0.1 undecidable manual Pg 31 44.7219 0.252 92
IV.CASP.HHZ. 2009-08-14T23:19:10.34 0.3 undecidable manual Pg 197 39.1275 0.277 70
IV.GRFL.SHZ. 2009-08-14T23:19:05.49 0.3 undecidable manual Sg 312 3.1968 -0.437 72
IV.GRFL.SHZ. 2009-08-14T23:19:04.67 0.1 undecidable manual Pg 312 3.1968 0.222 100
IV.SALO.HHN. 2009-08-14T23:18:50.56 10.0 undecidable manual Pg 0 0 0
IV.FAEN.HHE. 2009-08-14T23:18:36.09 10.0 undecidable manual Sg 0 0 0
IV.FAEN.HHE. 2009-08-14T23:18:30.70 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