Earthquake with magnitude of ML 1.6 on date 06-04-2007 and time 20:15:10 (Italy) in region 2 km W Murlo (SI)

A magnitude ML 1.6 earthquake occured in region: 2 km W Murlo (SI), on

  • 06-04-2007 18:15:10 (UTC)
  • 06-04-2007 20:15:10 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1720, 11.3630 at 2 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
Murlo SI 2 2389 2389
Monteroni d'Arbia SI 8 9088 11477
Buonconvento SI 10 3173 14650
Monticiano SI 15 1571 16221
Montalcino SI 16 5093 21314
Sovicille SI 16 10116 31430
Siena SI 17 53903 85333
Asciano SI 18 7118 92451
San Giovanni d'Asso SI 19 853 93304

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km S of Siena (53903 inhabitants)
50 Km NE of Grosseto (82087 inhabitants)
53 Km SW of Arezzo (99543 inhabitants)
67 Km S of Scandicci (50609 inhabitants)
67 Km S of Firenze (382808 inhabitants)
82 Km S of Prato (191150 inhabitants)
84 Km W of Perugia (166134 inhabitants)
92 Km SE of Pistoia (90315 inhabitants)
95 Km E of Livorno (159219 inhabitants)
98 Km SE of Pisa (89158 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 2.2
ML 1.6
2007-04-06
18:15:10
43.172 11.363 2 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 622979
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2007-04-06 18:15:10 ± 0.14
Latitude 43.1720 ± 0.0072
Longitude 11.3630 ± 0.0136
Depth (km) 2 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 622979

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1105
Semi-minor axis of confidence ellipse (meter) 789
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 99
Circular confidence region, given by single value of horizontal uncertainty (meter) 1360.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 85
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 12
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) 0.81119
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 622979
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:52:09

Md:2.2

Field Value
Value 2.2
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 622979
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:52:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MURB.HHZ. 2007-04-06T18:15:30.99 10.0 undecidable manual Sg 0 0 0
IV.MURB.HHZ. 2007-04-06T18:15:28.44 10.0 undecidable manual Pg 0 0 0
IV.SFI.SHZ. 2007-04-06T18:15:27.16 0.1 undecidable manual Pg 25 90.0432 0.206 87
IV.MAON.HHZ. 2007-04-06T18:15:25.75 0.1 undecidable manual Pg 193 84.6486 -0.365 85
IV.BADI.EHZ. 2007-04-06T18:15:25.45 0.1 undecidable manual Pg 62 80.364 0.007 92
IV.LATE.HHN. 2007-04-06T18:15:25.32 0.1 undecidable manual Pg 150 71.5728 1.225 62
IV.CRE.SHZ. 2007-04-06T18:15:23.39 0.1 undecidable manual Pg 44 68.5758 -0.245 90
IV.ARCI.HHZ. 2007-04-06T18:15:23.33 0.1 undecidable manual Sg 166 36.6411 0.096 49
IV.CSNT.BHZ. 2007-04-06T18:15:22.14 0.1 undecidable manual Sg 350 33.9438 -0.125 49
IV.GRFL.SHZ. 2007-04-06T18:15:21.05 0.1 undecidable manual Sg 265 31.5462 -0.393 47
IV.SACS.HHN. 2007-04-06T18:15:21.48 0.1 undecidable manual Pg 129 56.9985 -0.375 89
IV.CSNT.BHZ. 2007-04-06T18:15:17.33 0.1 undecidable manual Pg 350 33.9438 0.042 100
IV.ARCI.HHZ. 2007-04-06T18:15:17.57 0.1 undecidable manual Pg 166 36.6411 -0.274 95
IV.GRFL.SHZ. 2007-04-06T18:15:17.21 0.1 undecidable manual Pg 265 31.5462 0.401 93
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