Earthquake with magnitude of ML 1.5 on date 05-04-2008 and time 12:13:24 (Italy) in region 4 km S Castelnuovo di Val di Cecina (PI)

A magnitude ML 1.5 earthquake occured in region: 4 km S Castelnuovo di Val di Cecina (PI), on

  • 05-04-2008 10:13:24 (UTC)
  • 05-04-2008 12:13:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1720, 10.9150 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 4 2231 2231
Monterotondo Marittimo GR 6 1371 3602
Montieri GR 9 1204 4806
Massa Marittima GR 14 8375 13181
Chiusdino SI 14 1903 15084
Radicondoli SI 14 914 15998
Pomarance PI 15 5897 21895
Monteverdi Marittimo PI 16 758 22653

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km W of Siena (53903 inhabitants)
49 Km NW of Grosseto (82087 inhabitants)
65 Km SE of Livorno (159219 inhabitants)
69 Km SW of Scandicci (50609 inhabitants)
72 Km SW of Firenze (382808 inhabitants)
73 Km SE of Pisa (89158 inhabitants)
80 Km S of Prato (191150 inhabitants)
82 Km SE of Lucca (89046 inhabitants)
85 Km S of Pistoia (90315 inhabitants)
85 Km W of Arezzo (99543 inhabitants)
94 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 1.9
ML 1.5
2008-04-05
10:13:24
43.172 10.915 2 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 683449
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2008-04-05 10:13:24 ± 0.21
Latitude 43.1720 ± 0.0081
Longitude 10.9150 ± 0.0197
Depth (km) 2 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 683449

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1684
Semi-minor axis of confidence ellipse (meter) 895
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 281
Circular confidence region, given by single value of horizontal uncertainty (meter) 1835.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 148
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.52
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.80220
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 683449
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:57:19

Md:1.9

Field Value
Value 1.9
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 683449
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:57:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARCI.HHZ. 2008-04-05T10:13:43.91 0.3 undecidable manual Sg 128 57.6978 -0.089 72
GU.MAIM.HHZ. 2008-04-05T10:13:40.99 0.3 undecidable manual Pg 338 89.0442 0.553 61
IV.CSNT.HHE. 2008-04-05T10:13:39.32 0.3 undecidable manual Sg 42 45.1215 -0.47 68
IV.CASP.HHZ. 2008-04-05T10:13:38.45 0.3 undecidable manual Sg 185 42.5241 -0.433 69
IV.ARCI.HHZ. 2008-04-05T10:13:36.23 0.1 positive manual Pg 128 57.6978 0.631 83
IV.PII.SHZ. 2008-04-05T10:13:36.83 0.3 undecidable manual Pg 333 68.5758 -0.451 65
IV.CSNT.HHE. 2008-04-05T10:13:33.30 0.3 undecidable manual Pg 42 45.1215 0.131 73
IV.CASP.HHZ. 2008-04-05T10:13:32.66 0.1 undecidable manual Pg 185 42.5241 0.015 100
IV.SBPO.HHZ. 2008-04-05T10:13:31.95 10.0 undecidable manual Pg 0 0 0
IV.ORI.EHZ. 2008-04-05T10:13:30.95 10.0 undecidable manual Pg 0 0 0
IV.FIU.EHE. 2008-04-05T10:13:22.02 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download