Earthquake with magnitude of ML 1.9 on date 09-10-2007 and time 10:56:14 (Italy) in region Costa Toscana livornese (Livorno)

A magnitude ML 1.9 earthquake occured in region: Costa Toscana livornese (Livorno), on

  • 09-10-2007 08:56:14 (UTC)
  • 09-10-2007 10:56:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9160, 10.4070 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
Piombino LI 10 34060 34060
Rio Marina LI 11 2198 36258
Rio nell'Elba LI 11 1148 37406
Portoferraio LI 13 11992 49398
Porto Azzurro LI 17 3751 53149
Capoliveri LI 19 4033 57182

Municipalities with at least 50000 inhabitants

An earthquake occurred to
60 Km W of Grosseto (82087 inhabitants)
71 Km S of Livorno (159219 inhabitants)
88 Km SW of Siena (53903 inhabitants)
89 Km S 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 2.4
ML 1.9
2007-10-09
08:56:14
42.916 10.407 2 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 656699
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2007-10-09 08:56:14 ± 0.26
Latitude 42.9160 ± 0.0135
Longitude 10.4070 ± 0.0184
Depth (km) 2 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 656699

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1789
Semi-minor axis of confidence ellipse (meter) 1053
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 225
Circular confidence region, given by single value of horizontal uncertainty (meter) 2121.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 192
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.49
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.85076
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 656699
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:28:24

Md:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 656699
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:28:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSNT.BHZ. 2007-10-09T08:56:44.80 0.6 undecidable manual Sg 49 94.4388 0.909 35
IV.ARCI.HHE. 2007-10-09T08:56:41.84 0.1 undecidable manual Sg 94 87.1461 -0.096 91
IV.MAON.HHN. 2007-10-09T08:56:40.11 0.3 undecidable manual Sg 132 80.0643 0.055 70
IV.CSNT.BHZ. 2007-10-09T08:56:31.74 0.1 undecidable manual Pg 49 94.4388 0.426 84
IV.CRE.BHN. 2007-10-09T08:56:31.76 10.0 undecidable manual Pg 0 0 0
IV.ARCI.HHE. 2007-10-09T08:56:30.29 0.1 undecidable manual Pg 94 87.1461 0.104 91
IV.MAON.HHN. 2007-10-09T08:56:29.36 0.1 undecidable manual Pg 132 80.0643 0.26 89
IV.GROG.HHZ. 2007-10-09T08:56:27.37 0.1 undecidable manual Pg 324 70.2741 -0.225 92
IV.CASP.HHZ. 2007-10-09T08:56:27.69 0.6 undecidable manual Sg 110 39.7269 -0.247 48
IV.CRMI.HHE. 2007-10-09T08:56:27.35 10.0 undecidable manual Pg 0 0 0
IV.GRFL.SHZ. 2007-10-09T08:56:24.04 0.1 undecidable manual Pg 61 52.7028 -0.664 84
IV.CASP.HHZ. 2007-10-09T08:56:22.03 0.1 undecidable manual Pg 110 39.7269 -0.073 100
IV.LNSS.BHZ. 2007-10-09T08:56:02.61 10.0 undecidable manual Pg 0 0 0
IV.MPG.XHZ. 2007-10-09T08:55:55.54 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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