Earthquake with magnitude of ML 1.5 on date 10-09-2006 and time 22:31:14 (UTC) in region 4 km N San Casciano dei Bagni (SI)

A magnitude ML 1.5 earthquake occured in region: 4 km N San Casciano dei Bagni (SI), on

  • 10-09-2006 22:31:14 (UTC)
  • 11-09-2006 00:31:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9040, 11.8640 at 5 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
San Casciano dei Bagni SI 4 1632 1632
Cetona SI 7 2755 4387
Radicofani SI 8 1097 5484
Sarteano SI 10 4717 10201
Città della Pieve PG 13 7712 17913
Fabro TR 13 2876 20789
Allerona TR 14 1794 22583
Chiusi SI 14 8704 31287
Piancastagnaio SI 15 4230 35517
Abbadia San Salvatore SI 15 6444 41961
Monteleone d'Orvieto TR 15 1467 43428
Proceno VT 16 557 43985
Chianciano Terme SI 18 7105 51090
Acquapendente VT 18 5506 56596
Ficulle TR 18 1669 58265
Montegabbione TR 19 1216 59481
Piegaro PG 20 3669 63150
Castell'Azzara GR 20 1476 64626
Castel Viscardo TR 20 2938 67564

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km W of Perugia (166134 inhabitants)
58 Km NW of Viterbo (67173 inhabitants)
63 Km S of Arezzo (99543 inhabitants)
63 Km E of Grosseto (82087 inhabitants)
63 Km SE of Siena (53903 inhabitants)
69 Km W of Foligno (57155 inhabitants)
75 Km NW of Terni (111501 inhabitants)
90 Km N of Civitavecchia (52991 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 1.5
2006-09-10
22:31:14
42.904 11.864 5 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 591409
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2006-09-10 22:31:14 ± 0.29
Latitude 42.9040 ± 0.0144
Longitude 11.8640 ± 0.0110
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 591409

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1684
Semi-minor axis of confidence ellipse (meter) 684
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 25
Circular confidence region, given by single value of horizontal uncertainty (meter) 1835.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 248
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 5
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.29318
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.9
Num. used stations
Type of magnitude ML
Reference to an origin 591409
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:18:52

Md:1.9

Field Value
Value 1.9
Uncertainty 0.4
Num. used stations
Type of magnitude Md
Reference to an origin 591409
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:18:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARCI.HHZ. 2006-09-10T22:31:25.65 0.1 undecidable manual Sg 260 32.0457 -0.057 49
IV.LATE.HHZ. 2006-09-10T22:31:25.56 0.3 undecidable manual Sg 189 32.5452 -0.313 35
IV.LATE.HHZ. 2006-09-10T22:31:21.28 0.1 undecidable manual Pg 189 32.5452 0.24 95
IV.ARCI.HHZ. 2006-09-10T22:31:20.98 0.1 undecidable manual Pg 260 32.0457 0.033 99
IV.SACS.HHN. 2006-09-10T22:31:17.67 0.1 undecidable manual Sg 148 7.1928 0.204 50
IV.LAV9.SHZ. 2006-09-10T22:31:17.73 10.0 undecidable manual Pg 0 0 0
IV.SACS.HHN. 2006-09-10T22:31:15.98 10.0 undecidable manual Pg 148 7.1928 -0.21 100
IV.RGNG.SHZ. 2006-09-10T22:31:11.60 10.0 undecidable manual Pg 0 0 0
IV.FGMS.SHZ. 2006-09-10T22:31:09.22 10.0 undecidable manual Pg 0 0 0
IV.MSAG.HHN. 2006-09-10T22:31:09.28 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download