Earthquake with magnitude of ML 1.4 on date 28-01-2007 and time 04:30:15 (Italy) in region 5 km NW Castelnuovo di Val di Cecina (PI)

A magnitude ML 1.4 earthquake occured in region: 5 km NW Castelnuovo di Val di Cecina (PI), on

  • 28-01-2007 03:30:15 (UTC)
  • 28-01-2007 04:30:15 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2470, 10.8670 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
Castelnuovo di Val di Cecina PI 5 2231 2231
Pomarance PI 6 5897 8128
Monterotondo Marittimo GR 11 1371 9499
Radicondoli SI 14 914 10413
Monteverdi Marittimo PI 14 758 11171
Volterra PI 17 10519 21690
Montieri GR 18 1204 22894
Casole d'Elsa SI 18 3897 26791
Montecatini Val di Cecina PI 19 1749 28540

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km W of Siena (53903 inhabitants)
57 Km SE of Livorno (159219 inhabitants)
58 Km NW of Grosseto (82087 inhabitants)
62 Km SW of Scandicci (50609 inhabitants)
64 Km SE of Pisa (89158 inhabitants)
66 Km SW of Firenze (382808 inhabitants)
73 Km SE of Lucca (89046 inhabitants)
73 Km S of Prato (191150 inhabitants)
77 Km S of Pistoia (90315 inhabitants)
85 Km SE of Viareggio (62467 inhabitants)
86 Km W of Arezzo (99543 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 2.1
ML 1.4
2007-01-28
03:30:15
43.247 10.867 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 611589
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2007-01-28 03:30:15 ± 0.46
Latitude 43.2470 ± 0.0171
Longitude 10.8670 ± 0.0420
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 611589

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3526
Semi-minor axis of confidence ellipse (meter) 1579
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 110
Circular confidence region, given by single value of horizontal uncertainty (meter) 3894.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 229
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.96767
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 611589
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:40:06

Md:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 611589
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:40:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VMG.SHZ. 2007-01-28T03:30:44.77 0.6 undecidable manual Sg 34 96.126 0.413 22
IV.PZZT.HHN. 2007-01-28T03:30:44.02 1.0 undecidable manual Sg 360 98.124 -0.867 9
IV.ARCI.HHN. 2007-01-28T03:30:35.57 0.1 undecidable manual Sg 131 65.9895 -0.726 41
IV.SFI.EHZ. 2007-01-28T03:30:34.43 0.1 undecidable manual Pg 47 107.4147 0.331 86
IV.CRMI.HHE. 2007-01-28T03:30:34.06 0.1 undecidable manual Sg 8 60.7947 -0.871 39
IV.CRE.SHZ. 2007-01-28T03:30:33.37 0.1 undecidable manual Pg 64 96.6255 0.927 71
IV.VMG.SHZ. 2007-01-28T03:30:33.04 0.1 undecidable manual Pg 34 96.126 0.671 80
IV.SEI.SHZ. 2007-01-28T03:30:33.17 0.1 undecidable manual Pg 24 97.9242 0.534 84
IV.PZZT.HHN. 2007-01-28T03:30:32.62 0.1 undecidable manual Pg 360 98.124 -0.055 93
IV.CSNT.BHZ. 2007-01-28T03:30:29.27 0.1 undecidable manual Sg 53 42.3243 -0.731 43
IV.ARCI.HHN. 2007-01-28T03:30:27.71 0.1 undecidable manual Pg 131 65.9895 -0.005 100
IV.CRMI.HHE. 2007-01-28T03:30:26.49 0.1 undecidable manual Pg 8 60.7947 -0.436 92
IV.CSNT.BHZ. 2007-01-28T03:30:23.51 0.1 positive manual Pg 53 42.3243 -0.57 92
IV.FIN.SHZ. 2007-01-28T03:29:57.56 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