Earthquake with magnitude of ML 1.3 on date 14-08-2009 and time 23:20:10 (Italy) in region 6 km S Monteriggioni (SI)

A magnitude ML 1.3 earthquake occured in region: 6 km S Monteriggioni (SI), on

  • 14-08-2009 21:20:10 (UTC)
  • 14-08-2009 23:20:10 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3430, 11.2160 at 7 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
Monteriggioni SI 6 9810 9810
Sovicille SI 7 10116 19926
Siena SI 10 53903 73829
Colle di Val d'Elsa SI 12 21620 95449
Casole d'Elsa SI 14 3897 99346
Poggibonsi SI 15 29196 128542
Castellina in Chianti SI 15 2859 131401
Radicondoli SI 17 914 132315
San Gimignano SI 20 7820 140135

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km W of Siena (53903 inhabitants)
46 Km S of Scandicci (50609 inhabitants)
48 Km S of Firenze (382808 inhabitants)
56 Km W of Arezzo (99543 inhabitants)
61 Km S of Prato (191150 inhabitants)
65 Km N of Grosseto (82087 inhabitants)
70 Km SE of Pistoia (90315 inhabitants)
77 Km E of Livorno (159219 inhabitants)
78 Km SE of Pisa (89158 inhabitants)
80 Km SE of Lucca (89046 inhabitants)
97 Km SE of Viareggio (62467 inhabitants)
99 Km W of Perugia (166134 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 1.3
2009-08-14
21:20:10
43.343 11.216 7 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 948439
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-08-14 21:20:10 ± 0.16
Latitude 43.3430 ± 0.0072
Longitude 11.2160 ± 0.0173
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 948439

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1457
Semi-minor axis of confidence ellipse (meter) 265
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 294
Circular confidence region, given by single value of horizontal uncertainty (meter) 1612.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 117
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.72395
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 948439
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 18:05:47

Md:2.0

Field Value
Value 2.0
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 948439
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 18:05:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SFI.EHE. 2009-08-14T21:20:34.54 0.3 undecidable manual Sg 39 80.364 -0.412 63
IV.VMG.SHZ. 2009-08-14T21:20:33.75 0.3 undecidable manual Sg 21 73.4709 0.621 60
IV.ASQU.HHE. 2009-08-14T21:20:31.66 0.3 undecidable manual Sg 42 68.2761 -0.071 69
IV.CASP.HHN. 2009-08-14T21:20:31.03 0.1 undecidable manual Sg 205 67.5768 -0.509 84
IV.ARCI.HHE. 2009-08-14T21:20:29.04 0.3 undecidable manual Sg 159 58.3971 -0.066 71
IV.PZZT.HHN. 2009-08-14T21:20:28.30 10.0 undecidable manual Pg 0 0 0
IV.PZZT.HHN. 2009-08-14T21:20:27.92 10.0 undecidable manual Sg 0 0 0
IV.CRMI.HHZ. 2009-08-14T21:20:27.21 0.3 undecidable manual Sg 338 53.4021 -0.544 64
IV.SFI.EHE. 2009-08-14T21:20:24.69 0.3 undecidable manual Pg 39 80.364 0.179 66
IV.VMG.SHZ. 2009-08-14T21:20:24.15 0.3 undecidable manual Pg 21 73.4709 0.692 58
IV.CASP.HHN. 2009-08-14T21:20:23.22 0.3 undecidable manual Pg 205 67.5768 0.68 59
IV.ASQU.HHE. 2009-08-14T21:20:22.86 0.3 undecidable manual Pg 42 68.2761 0.213 67
IV.ARCI.HHE. 2009-08-14T21:20:20.77 0.3 undecidable manual Pg 159 58.3971 -0.36 66
IV.GRFL.SHZ. 2009-08-14T21:20:20.30 0.3 undecidable manual Sg 222 29.1486 -0.382 70
IV.CRMI.HHZ. 2009-08-14T21:20:20.46 0.3 undecidable manual Pg 338 53.4021 0.107 71
IV.GRFL.SHZ. 2009-08-14T21:20:16.98 0.1 undecidable manual Pg 222 29.1486 0.709 83
IV.CSNT.HHE. 2009-08-14T21:20:15.91 0.1 undecidable manual Sg 23 15.5733 -0.333 96
IV.CSNT.HHE. 2009-08-14T21:20:13.56 0.1 undecidable manual Pg 23 15.5733 -0.142 100
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