Earthquake with magnitude of ML 1.5 on date 17-09-2007 and time 11:45:00 (Italy) in region 5 km E Castelnuovo di Val di Cecina (PI)

A magnitude ML 1.5 earthquake occured in region: 5 km E Castelnuovo di Val di Cecina (PI), on

  • 17-09-2007 09:45:00 (UTC)
  • 17-09-2007 11:45:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2140, 10.9650 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
Castelnuovo di Val di Cecina PI 5 2231 2231
Radicondoli SI 8 914 3145
Montieri GR 10 1204 4349
Monterotondo Marittimo GR 12 1371 5720
Chiusdino SI 12 1903 7623
Pomarance PI 12 5897 13520
Casole d'Elsa SI 16 3897 17417
Massa Marittima GR 19 8375 25792
Monticiano SI 19 1571 27363

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km W of Siena (53903 inhabitants)
52 Km N of Grosseto (82087 inhabitants)
63 Km S of Scandicci (50609 inhabitants)
65 Km SE of Livorno (159219 inhabitants)
66 Km SW of Firenze (382808 inhabitants)
72 Km SE of Pisa (89158 inhabitants)
75 Km S of Prato (191150 inhabitants)
79 Km W of Arezzo (99543 inhabitants)
80 Km SE of Lucca (89046 inhabitants)
80 Km S of Pistoia (90315 inhabitants)
93 Km SE of Viareggio (62467 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 1.5
2007-09-17
09:45:00
43.214 10.965 2 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 652559
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2007-09-17 09:45:00 ± 0.21
Latitude 43.2140 ± 0.0090
Longitude 10.9650 ± 0.0234
Depth (km) 2 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 652559

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1895
Semi-minor axis of confidence ellipse (meter) 947
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 279
Circular confidence region, given by single value of horizontal uncertainty (meter) 2147.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 138
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 11
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) 0.94069
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 652559
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:23:55

Md:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 652559
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:23:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRMI.HHZ. 2007-09-17T09:45:21.74 0.6 undecidable manual Sg 0 63.9915 -0.442 45
IV.SFI.SHZ. 2007-09-17T09:45:20.50 0.3 undecidable manual Pg 42 104.4177 1.183 46
IV.ARCI.HHZ. 2007-09-17T09:45:20.02 0.1 undecidable manual Sg 134 57.5979 -0.48 90
IV.VMG.SHZ. 2007-09-17T09:45:18.61 0.3 undecidable manual Pg 29 95.1381 0.726 57
IV.CASP.HHZ. 2007-09-17T09:45:16.75 0.1 undecidable manual Sg 190 47.619 -0.42 93
IV.PII.SHZ. 2007-09-17T09:45:13.37 0.1 undecidable manual Pg 328 66.5778 -0.114 96
IV.CSNT.BHZ. 2007-09-17T09:45:13.45 0.3 undecidable manual Sg 42 38.9277 -0.726 64
IV.CRMI.HHZ. 2007-09-17T09:45:12.69 0.1 undecidable manual Pg 0 63.9915 -0.386 91
IV.ARCI.HHZ. 2007-09-17T09:45:12.76 0.1 undecidable manual Pg 134 57.5979 0.655 85
IV.CASP.HHZ. 2007-09-17T09:45:10.48 0.1 undecidable manual Pg 190 47.619 0.296 96
IV.CSNT.BHZ. 2007-09-17T09:45:08.61 0.1 undecidable manual Pg 42 38.9277 0.154 100
IV.SCHR.EHE. 2007-09-17T09:44:56.18 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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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download