Earthquake with magnitude of ML 1.4 on date 06-07-2010 and time 06:57:45 (UTC) in region 6 km N Radicofani (SI)

A magnitude ML 1.4 earthquake occured in region: 6 km N Radicofani (SI), on

  • 06-07-2010 06:57:45 (UTC)
  • 06-07-2010 08:57:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9490, 11.7840 at 11 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
Radicofani SI 6 1097 1097
Sarteano SI 8 4717 5814
Cetona SI 10 2755 8569
Abbadia San Salvatore SI 11 6444 15013
San Casciano dei Bagni SI 11 1632 16645
Chianciano Terme SI 13 7105 23750
Piancastagnaio SI 13 4230 27980
Castiglione d'Orcia SI 15 2346 30326
Chiusi SI 15 8704 39030
Montepulciano SI 16 14097 53127
Pienza SI 17 2107 55234
Città della Pieve PG 18 7712 62946
Seggiano GR 19 961 63907
San Quirico d'Orcia SI 19 2662 66569

Municipalities with at least 50000 inhabitants

An earthquake occurred to
52 Km W of Perugia (166134 inhabitants)
55 Km SE of Siena (53903 inhabitants)
58 Km S of Arezzo (99543 inhabitants)
58 Km E of Grosseto (82087 inhabitants)
65 Km NW of Viterbo (67173 inhabitants)
75 Km W of Foligno (57155 inhabitants)
83 Km NW of Terni (111501 inhabitants)
95 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 2.0
ML 1.4
2010-07-06
06:57:45
42.949 11.784 11 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1078269
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2010-07-06 06:57:45 ± 0.25
Latitude 42.9490 ± 0.0099
Longitude 11.7840 ± 0.0111
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1078269

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1273
Semi-minor axis of confidence ellipse (meter) 616
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 142
Circular confidence region, given by single value of horizontal uncertainty (meter) 1421.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 282
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.33545
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 1078269
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 20:48:43

Md:2.0

Field Value
Value 2.0
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 1078269
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 20:48:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ORI.HHE. 2010-07-06T06:58:23.60 10.0 undecidable manual Pg 0 0 0
IV.MTRZ.HHE. 2010-07-06T06:58:21.17 10.0 undecidable manual Pg 0 0 0
IV.SMA1.EHE. 2010-07-06T06:58:05.50 10.0 undecidable manual Pg 0 0 0
IV.LATE.HHE. 2010-07-06T06:57:58.19 0.6 undecidable manual Sg 177 37.2294 -0.117 63
IV.MGAB.HHE. 2010-07-06T06:57:55.63 0.3 undecidable manual Sg 99 26.9508 0.069 97
IV.LATE.HHE. 2010-07-06T06:57:53.16 0.3 undecidable manual Pg 177 37.2294 0.135 94
IV.SACS.HHN. 2010-07-06T06:57:52.23 0.6 undecidable manual Sg 137 15.0738 0.01 67
IV.MGAB.HHE. 2010-07-06T06:57:51.32 0.3 undecidable manual Pg 99 26.9508 -0.121 96
IV.SACS.HHN. 2010-07-06T06:57:49.50 0.3 undecidable manual Pg 137 15.0738 -0.012 100
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