Earthquake with magnitude of ML 1.2 on date 03-06-2007 and time 06:41:23 (Italy) in region 4 km N Massa Marittima (GR)

A magnitude ML 1.2 earthquake occured in region: 4 km N Massa Marittima (GR), on

  • 03-06-2007 04:41:23 (UTC)
  • 03-06-2007 06:41:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0830, 10.8960 at 10 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
Massa Marittima GR 4 8375 8375
Monterotondo Marittimo GR 8 1371 9746
Montieri GR 11 1204 10950
Castelnuovo di Val di Cecina PI 14 2231 13181
Gavorrano GR 18 8580 21761
Suvereto LI 18 3072 24833
Chiusdino SI 18 1903 26736
Monteverdi Marittimo PI 18 758 27494
Scarlino GR 20 3847 31341

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km NW of Grosseto (82087 inhabitants)
44 Km SW of Siena (53903 inhabitants)
71 Km SE of Livorno (159219 inhabitants)
79 Km SW of Scandicci (50609 inhabitants)
81 Km SE of Pisa (89158 inhabitants)
82 Km SW of Firenze (382808 inhabitants)
90 Km S of Prato (191150 inhabitants)
91 Km SE of Lucca (89046 inhabitants)
91 Km W of Arezzo (99543 inhabitants)
95 Km S of Pistoia (90315 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 1.2
2007-06-03
04:41:23
43.083 10.896 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 633639
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2007-06-03 04:41:23 ± 0.34
Latitude 43.0830 ± 0.0126
Longitude 10.8960 ± 0.0296
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 633639

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2526
Semi-minor axis of confidence ellipse (meter) 1158
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 72
Circular confidence region, given by single value of horizontal uncertainty (meter) 2778.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 212
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
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) 0.29318
Epicentral distance of station farthest from the epicenter (degree) 0.48384
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 633639
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:03:34

Md:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 633639
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:03:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSNT.BHN. 2007-06-03T04:41:39.64 0.1 undecidable manual Sg 36 53.7018 -0.501 88
IV.ARCI.HHN. 2007-06-03T04:41:39.98 0.1 undecidable manual Sg 118 53.6019 -0.121 95
IV.CASP.HHN. 2007-06-03T04:41:34.18 0.1 undecidable manual Sg 184 32.5452 -0.304 95
IV.ARCI.HHN. 2007-06-03T04:41:33.41 0.1 undecidable manual Pg 118 53.6019 0.493 88
IV.CSNT.BHN. 2007-06-03T04:41:33.33 0.1 undecidable manual Pg 36 53.7018 0.389 90
IV.CASP.HHN. 2007-06-03T04:41:29.73 0.1 undecidable manual Pg 184 32.5452 0.056 100
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