Earthquake with magnitude of ML 1.4 on date 03-02-2007 and time 20:14:57 (UTC) in region 5 km W Murlo (SI)

A magnitude ML 1.4 earthquake occured in region: 5 km W Murlo (SI), on

  • 03-02-2007 20:14:57 (UTC)
  • 03-02-2007 21:14:57 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1540, 11.3360 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
Murlo SI 5 2389 2389
Monteroni d'Arbia SI 11 9088 11477
Buonconvento SI 12 3173 14650
Monticiano SI 13 1571 16221
Montalcino SI 16 5093 21314
Sovicille SI 17 10116 31430
Civitella Paganico GR 18 3154 34584
Siena SI 18 53903 88487

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km S of Siena (53903 inhabitants)
47 Km NE of Grosseto (82087 inhabitants)
56 Km SW of Arezzo (99543 inhabitants)
68 Km S of Scandicci (50609 inhabitants)
69 Km S of Firenze (382808 inhabitants)
83 Km S of Prato (191150 inhabitants)
86 Km W of Perugia (166134 inhabitants)
93 Km SE of Pistoia (90315 inhabitants)
94 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 1.7
ML 1.4
2007-02-03
20:14:57
43.154 11.336 5 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 612719
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2007-02-03 20:14:57 ± 0.38
Latitude 43.1540 ± 0.0135
Longitude 11.3360 ± 0.0678
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 612719

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 5579
Semi-minor axis of confidence ellipse (meter) 1158
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 100
Circular confidence region, given by single value of horizontal uncertainty (meter) 5700.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 193
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 5
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.69
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.64481
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 612719
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:41:18

Md:1.7

Field Value
Value 1.7
Uncertainty 0.0
Num. used stations
Type of magnitude Md
Reference to an origin 612719
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:41:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRE.SHZ. 2007-02-03T20:15:10.83 0.1 undecidable manual Pg 44 71.5728 0.074 94
IV.CSNT.BHZ. 2007-02-03T20:15:09.42 0.3 undecidable manual Sg 354 35.6421 -0.583 33
IV.ARCI.HHN. 2007-02-03T20:15:09.20 0.1 undecidable manual Sg 161 35.3424 -0.705 42
IV.GRFL.SHZ. 2007-02-03T20:15:08.76 10.0 undecidable manual Sg 0 0 0
IV.ARCI.HHN. 2007-02-03T20:15:05.00 0.1 positive manual Pg 161 35.3424 0.326 95
IV.CSNT.BHZ. 2007-02-03T20:15:04.83 0.1 undecidable manual Pg 354 35.6421 0.098 100
IV.GRFL.SHZ. 2007-02-03T20:15:02.29 10.0 undecidable manual Pg 0 0 0
IV.MURB.HHN. 2007-02-03T20:15:01.02 10.0 undecidable manual Pg 0 0 0
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