Earthquake with magnitude of ML 1.9 on date 06-07-2009 and time 19:10:04 (Italy) in region 3 km NW Santa Fiora (GR)

A magnitude ML 1.9 earthquake occured in region: 3 km NW Santa Fiora (GR), on

  • 06-07-2009 17:10:04 (UTC)
  • 06-07-2009 19:10:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8500, 11.5670 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
Santa Fiora GR 3 2622 2622
Arcidosso GR 3 4285 6907
Castel del Piano GR 5 4690 11597
Roccalbegna GR 9 1044 12641
Seggiano GR 9 961 13602
Abbadia San Salvatore SI 10 6444 20046
Piancastagnaio SI 10 4230 24276
Semproniano GR 13 1059 25335
Castell'Azzara GR 14 1476 26811
Cinigiano GR 15 2618 29429
Radicofani SI 17 1097 30526
Castiglione d'Orcia SI 18 2346 32872

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Grosseto (82087 inhabitants)
56 Km SE of Siena (53903 inhabitants)
65 Km NW of Viterbo (67173 inhabitants)
73 Km W of Perugia (166134 inhabitants)
73 Km SW of Arezzo (99543 inhabitants)
86 Km N of Civitavecchia (52991 inhabitants)
93 Km W of Foligno (57155 inhabitants)
94 Km W of Terni (111501 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
ML 1.9 2009-07-06
17:10:04
42.85 11.567 5 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 918319
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-07-06 17:10:04 ± 0.12
Latitude 42.8500 ± 0.0081
Longitude 11.5670 ± 0.0074
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 918319

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 731
Semi-minor axis of confidence ellipse (meter) 552
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 173
Circular confidence region, given by single value of horizontal uncertainty (meter) 1081.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 65
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.48
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.07379
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 918319
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 17:29:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHE. 2009-07-06T17:10:28.72 10.0 undecidable manual Pg 0 0 0
IV.SNTG.SHZ. 2009-07-06T17:10:27.55 10.0 undecidable manual Pg 0 0 0
IV.VMG.SHZ. 2009-07-06T17:10:26.44 10.0 undecidable manual Pg 0 0 0
IV.CESI.HHZ. 2009-07-06T17:10:26.19 10.0 undecidable manual Pg 0 0 0
IV.CAFI.HHE. 2009-07-06T17:10:25.03 0.3 undecidable manual Sg 31 62.2932 0.532 62
IV.SFI.EHZ. 2009-07-06T17:10:25.31 0.1 undecidable manual Pg 11 119.1918 0.689 70
IV.MAON.HHN. 2009-07-06T17:10:23.84 0.1 undecidable manual Sg 217 58.6968 0.293 88
IV.GRFL.SHZ. 2009-07-06T17:10:22.78 0.1 undecidable manual Sg 305 58.1973 -0.634 80
IV.ASQU.HHZ. 2009-07-06T17:10:22.75 0.1 undecidable manual Pg 10 106.6155 0.076 84
IV.PARC.HHN. 2009-07-06T17:10:22.36 0.1 undecidable manual Pg 31 103.9182 0.093 84
IV.TOLF.HHZ. 2009-07-06T17:10:20.95 0.1 undecidable manual Pg 158 94.0392 0.203 84
IV.ASSB.HHZ. 2009-07-06T17:10:20.67 0.3 undecidable manual Pg 76 91.242 0.366 61
IV.MURB.HHE. 2009-07-06T17:10:20.49 0.3 undecidable manual Pg 59 90.1431 0.344 62
IV.GRFL.SHZ. 2009-07-06T17:10:15.19 0.1 undecidable manual Pg 305 58.1973 -0.028 93
IV.MAON.HHN. 2009-07-06T17:10:14.80 0.1 undecidable manual Pg 217 58.6968 -0.495 84
IV.CAFI.HHE. 2009-07-06T17:10:14.97 0.1 undecidable manual Pg 31 62.2932 -0.876 72
IV.SACS.HHZ. 2009-07-06T17:10:13.76 0.1 undecidable manual Sg 90 27.8499 -0.085 97
IV.MGAB.HHZ. 2009-07-06T17:10:12.35 0.1 undecidable manual Pg 81 44.9217 -0.717 79
IV.LATE.HHE. 2009-07-06T17:10:10.53 0.1 undecidable manual Pg 143 32.5452 -0.081 97
IV.SACS.HHZ. 2009-07-06T17:10:09.85 0.1 undecidable manual Pg 90 27.8499 0.156 96
IV.ARCI.HHZ. 2009-07-06T17:10:07.30 0.1 undecidable manual Sg 272 7.3815 0.21 98
IV.ARCI.HHZ. 2009-07-06T17:10:05.92 0.1 undecidable manual Pg 272 7.3815 0.127 100
IV.MOCO.HHZ. 2009-07-06T17:10:02.78 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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